From 3917ed45de063b4e8868610c82d8172020d572fd Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Thu, 24 Nov 2016 15:04:31 +0800
Subject: [PATCH] golint fixed for routers (#208)

---
 routers/api/v1/admin/org.go          |  3 +-
 routers/api/v1/admin/org_repo.go     |  3 ++
 routers/api/v1/admin/org_team.go     |  3 ++
 routers/api/v1/admin/repo.go         |  3 +-
 routers/api/v1/admin/user.go         | 10 ++--
 routers/api/v1/convert/convert.go    | 10 +++-
 routers/api/v1/misc/markdown.go      |  6 ++-
 routers/api/v1/org/org.go            | 12 +++--
 routers/api/v1/org/team.go           |  1 +
 routers/api/v1/repo/branch.go        |  6 ++-
 routers/api/v1/repo/collaborators.go |  1 +
 routers/api/v1/repo/file.go          |  7 ++-
 routers/api/v1/repo/hook.go          | 10 ++--
 routers/api/v1/repo/issue.go         |  4 ++
 routers/api/v1/repo/issue_comment.go |  4 ++
 routers/api/v1/repo/issue_label.go   |  5 ++
 routers/api/v1/repo/key.go           | 14 +++--
 routers/api/v1/repo/label.go         |  5 ++
 routers/api/v1/repo/milestone.go     |  5 ++
 routers/api/v1/repo/repo.go          | 20 ++++---
 routers/api/v1/user/app.go           |  6 ++-
 routers/api/v1/user/email.go         |  9 ++--
 routers/api/v1/user/follower.go      | 26 +++++----
 routers/api/v1/user/key.go           | 16 ++++--
 routers/api/v1/user/user.go          |  3 ++
 routers/repo/commit.go               | 29 ++++++----
 routers/repo/download.go             |  3 ++
 routers/repo/editor.go               | 57 ++++++++++++--------
 routers/repo/http.go                 | 12 +++--
 routers/repo/issue.go                | 79 ++++++++++++++++++++--------
 routers/repo/pull.go                 | 46 ++++++++++------
 routers/repo/release.go              | 26 +++++----
 routers/repo/repo.go                 | 33 +++++++-----
 routers/repo/setting.go              | 12 +++++
 routers/repo/webhook.go              | 20 +++++--
 35 files changed, 354 insertions(+), 155 deletions(-)

diff --git a/routers/api/v1/admin/org.go b/routers/api/v1/admin/org.go
index 1162c96c5..706e2cede 100644
--- a/routers/api/v1/admin/org.go
+++ b/routers/api/v1/admin/org.go
@@ -13,7 +13,8 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/user"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Administration-Organizations#create-a-new-organization
+// CreateOrg api for create organization
+// see https://github.com/gogits/go-gogs-client/wiki/Administration-Organizations#create-a-new-organization
 func CreateOrg(ctx *context.APIContext, form api.CreateOrgOption) {
 	u := user.GetUserByParams(ctx)
 	if ctx.Written() {
diff --git a/routers/api/v1/admin/org_repo.go b/routers/api/v1/admin/org_repo.go
index c7014dd7c..8230c0acc 100644
--- a/routers/api/v1/admin/org_repo.go
+++ b/routers/api/v1/admin/org_repo.go
@@ -9,6 +9,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
+// GetRepositoryByParams api for getting repository by orgnizition ID and repo name
 func GetRepositoryByParams(ctx *context.APIContext) *models.Repository {
 	repo, err := models.GetRepositoryByName(ctx.Org.Team.OrgID, ctx.Params(":reponame"))
 	if err != nil {
@@ -22,6 +23,7 @@ func GetRepositoryByParams(ctx *context.APIContext) *models.Repository {
 	return repo
 }
 
+// AddTeamRepository api for adding a repository to a team
 func AddTeamRepository(ctx *context.APIContext) {
 	repo := GetRepositoryByParams(ctx)
 	if ctx.Written() {
@@ -35,6 +37,7 @@ func AddTeamRepository(ctx *context.APIContext) {
 	ctx.Status(204)
 }
 
+// RemoveTeamRepository api for removing a repository from a team
 func RemoveTeamRepository(ctx *context.APIContext) {
 	repo := GetRepositoryByParams(ctx)
 	if ctx.Written() {
diff --git a/routers/api/v1/admin/org_team.go b/routers/api/v1/admin/org_team.go
index b1964ff72..93af1ec42 100644
--- a/routers/api/v1/admin/org_team.go
+++ b/routers/api/v1/admin/org_team.go
@@ -13,6 +13,7 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/user"
 )
 
+// CreateTeam api for create a team
 func CreateTeam(ctx *context.APIContext, form api.CreateTeamOption) {
 	team := &models.Team{
 		OrgID:       ctx.Org.Organization.ID,
@@ -32,6 +33,7 @@ func CreateTeam(ctx *context.APIContext, form api.CreateTeamOption) {
 	ctx.JSON(201, convert.ToTeam(team))
 }
 
+// AddTeamMember api for add a member to a team
 func AddTeamMember(ctx *context.APIContext) {
 	u := user.GetUserByParams(ctx)
 	if ctx.Written() {
@@ -45,6 +47,7 @@ func AddTeamMember(ctx *context.APIContext) {
 	ctx.Status(204)
 }
 
+// RemoveTeamMember api for remove one member from a team
 func RemoveTeamMember(ctx *context.APIContext) {
 	u := user.GetUserByParams(ctx)
 	if ctx.Written() {
diff --git a/routers/api/v1/admin/repo.go b/routers/api/v1/admin/repo.go
index 69187dc36..a52d46213 100644
--- a/routers/api/v1/admin/repo.go
+++ b/routers/api/v1/admin/repo.go
@@ -12,7 +12,8 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/user"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Administration-Repositories#create-a-new-repository
+// CreateRepo api for creating a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Administration-Repositories#create-a-new-repository
 func CreateRepo(ctx *context.APIContext, form api.CreateRepoOption) {
 	owner := user.GetUserByParams(ctx)
 	if ctx.Written() {
diff --git a/routers/api/v1/admin/user.go b/routers/api/v1/admin/user.go
index c868c6210..0a6dc5d45 100644
--- a/routers/api/v1/admin/user.go
+++ b/routers/api/v1/admin/user.go
@@ -34,7 +34,8 @@ func parseLoginSource(ctx *context.APIContext, u *models.User, sourceID int64, l
 	u.LoginName = loginName
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Administration-Users#create-a-new-user
+// CreateUser api for creating a user
+// see https://github.com/gogits/go-gogs-client/wiki/Administration-Users#create-a-new-user
 func CreateUser(ctx *context.APIContext, form api.CreateUserOption) {
 	u := &models.User{
 		Name:      form.Username,
@@ -71,7 +72,8 @@ func CreateUser(ctx *context.APIContext, form api.CreateUserOption) {
 	ctx.JSON(201, u.APIFormat())
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Administration-Users#edit-an-existing-user
+// EditUser api for modifying a user's information
+// see https://github.com/gogits/go-gogs-client/wiki/Administration-Users#edit-an-existing-user
 func EditUser(ctx *context.APIContext, form api.EditUserOption) {
 	u := user.GetUserByParams(ctx)
 	if ctx.Written() {
@@ -123,6 +125,7 @@ func EditUser(ctx *context.APIContext, form api.EditUserOption) {
 	ctx.JSON(200, u.APIFormat())
 }
 
+// DeleteUser api for deleting a user
 // https://github.com/gogits/go-gogs-client/wiki/Administration-Users#delete-a-user
 func DeleteUser(ctx *context.APIContext) {
 	u := user.GetUserByParams(ctx)
@@ -144,7 +147,8 @@ func DeleteUser(ctx *context.APIContext) {
 	ctx.Status(204)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Administration-Users#create-a-public-key-for-user
+// CreatePublicKey api for creating a public key to a user
+// see https://github.com/gogits/go-gogs-client/wiki/Administration-Users#create-a-public-key-for-user
 func CreatePublicKey(ctx *context.APIContext, form api.CreateKeyOption) {
 	u := user.GetUserByParams(ctx)
 	if ctx.Written() {
diff --git a/routers/api/v1/convert/convert.go b/routers/api/v1/convert/convert.go
index a736b827a..8608d17d9 100644
--- a/routers/api/v1/convert/convert.go
+++ b/routers/api/v1/convert/convert.go
@@ -9,12 +9,13 @@ import (
 
 	"github.com/Unknwon/com"
 
-	"code.gitea.io/git"
 	api "code.gitea.io/sdk/gitea"
 
+	"code.gitea.io/git"
 	"code.gitea.io/gitea/models"
 )
 
+// ToEmail convert models.EmailAddress to api.Email
 func ToEmail(email *models.EmailAddress) *api.Email {
 	return &api.Email{
 		Email:    email.Email,
@@ -23,6 +24,7 @@ func ToEmail(email *models.EmailAddress) *api.Email {
 	}
 }
 
+// ToBranch convert a commit and branch to an api.Branch
 func ToBranch(b *models.Branch, c *git.Commit) *api.Branch {
 	return &api.Branch{
 		Name:   b.Name,
@@ -30,6 +32,7 @@ func ToBranch(b *models.Branch, c *git.Commit) *api.Branch {
 	}
 }
 
+// ToCommit convert a commit to api.PayloadCommit
 func ToCommit(c *git.Commit) *api.PayloadCommit {
 	authorUsername := ""
 	author, err := models.GetUserByEmail(c.Author.Email)
@@ -59,6 +62,7 @@ func ToCommit(c *git.Commit) *api.PayloadCommit {
 	}
 }
 
+// ToPublicKey convert models.PublicKey to api.PublicKey
 func ToPublicKey(apiLink string, key *models.PublicKey) *api.PublicKey {
 	return &api.PublicKey{
 		ID:      key.ID,
@@ -69,6 +73,7 @@ func ToPublicKey(apiLink string, key *models.PublicKey) *api.PublicKey {
 	}
 }
 
+// ToHook convert models.Webhook to api.Hook
 func ToHook(repoLink string, w *models.Webhook) *api.Hook {
 	config := map[string]string{
 		"url":          w.URL,
@@ -94,6 +99,7 @@ func ToHook(repoLink string, w *models.Webhook) *api.Hook {
 	}
 }
 
+// ToDeployKey convert models.DeployKey to api.DeployKey
 func ToDeployKey(apiLink string, key *models.DeployKey) *api.DeployKey {
 	return &api.DeployKey{
 		ID:       key.ID,
@@ -105,6 +111,7 @@ func ToDeployKey(apiLink string, key *models.DeployKey) *api.DeployKey {
 	}
 }
 
+// ToOrganization convert models.User to api.Organization
 func ToOrganization(org *models.User) *api.Organization {
 	return &api.Organization{
 		ID:          org.ID,
@@ -117,6 +124,7 @@ func ToOrganization(org *models.User) *api.Organization {
 	}
 }
 
+// ToTeam convert models.Team to api.Team
 func ToTeam(team *models.Team) *api.Team {
 	return &api.Team{
 		ID:          team.ID,
diff --git a/routers/api/v1/misc/markdown.go b/routers/api/v1/misc/markdown.go
index b4974ce46..23b5b269a 100644
--- a/routers/api/v1/misc/markdown.go
+++ b/routers/api/v1/misc/markdown.go
@@ -11,7 +11,8 @@ import (
 	"code.gitea.io/gitea/modules/markdown"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Miscellaneous#render-an-arbitrary-markdown-document
+// Markdown render markdown document to HTML
+// see https://github.com/gogits/go-gogs-client/wiki/Miscellaneous#render-an-arbitrary-markdown-document
 func Markdown(ctx *context.APIContext, form api.MarkdownOption) {
 	if ctx.HasApiError() {
 		ctx.Error(422, "", ctx.GetErrMsg())
@@ -31,7 +32,8 @@ func Markdown(ctx *context.APIContext, form api.MarkdownOption) {
 	}
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Miscellaneous#render-a-markdown-document-in-raw-mode
+// MarkdownRaw render raw markdown HTML
+// see https://github.com/gogits/go-gogs-client/wiki/Miscellaneous#render-a-markdown-document-in-raw-mode
 func MarkdownRaw(ctx *context.APIContext) {
 	body, err := ctx.Req.Body().Bytes()
 	if err != nil {
diff --git a/routers/api/v1/org/org.go b/routers/api/v1/org/org.go
index cc847af8d..328b97a22 100644
--- a/routers/api/v1/org/org.go
+++ b/routers/api/v1/org/org.go
@@ -26,12 +26,14 @@ func listUserOrgs(ctx *context.APIContext, u *models.User, all bool) {
 	ctx.JSON(200, &apiOrgs)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Organizations#list-your-organizations
+// ListMyOrgs list all my orgs
+// see https://github.com/gogits/go-gogs-client/wiki/Organizations#list-your-organizations
 func ListMyOrgs(ctx *context.APIContext) {
 	listUserOrgs(ctx, ctx.User, true)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Organizations#list-user-organizations
+// ListUserOrgs list user's orgs
+// see https://github.com/gogits/go-gogs-client/wiki/Organizations#list-user-organizations
 func ListUserOrgs(ctx *context.APIContext) {
 	u := user.GetUserByParams(ctx)
 	if ctx.Written() {
@@ -40,12 +42,14 @@ func ListUserOrgs(ctx *context.APIContext) {
 	listUserOrgs(ctx, u, false)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Organizations#get-an-organization
+// Get get an organization
+// see https://github.com/gogits/go-gogs-client/wiki/Organizations#get-an-organization
 func Get(ctx *context.APIContext) {
 	ctx.JSON(200, convert.ToOrganization(ctx.Org.Organization))
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Organizations#edit-an-organization
+// Edit change an organization's information
+// see https://github.com/gogits/go-gogs-client/wiki/Organizations#edit-an-organization
 func Edit(ctx *context.APIContext, form api.EditOrgOption) {
 	org := ctx.Org.Organization
 	if !org.IsOwnedBy(ctx.User.ID) {
diff --git a/routers/api/v1/org/team.go b/routers/api/v1/org/team.go
index ae67461be..f5b2e9dc5 100644
--- a/routers/api/v1/org/team.go
+++ b/routers/api/v1/org/team.go
@@ -11,6 +11,7 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
+// ListTeams list all the teams of an organization
 func ListTeams(ctx *context.APIContext) {
 	org := ctx.Org.Organization
 	if err := org.GetTeams(); err != nil {
diff --git a/routers/api/v1/repo/branch.go b/routers/api/v1/repo/branch.go
index 39215ed46..3c73ae62c 100644
--- a/routers/api/v1/repo/branch.go
+++ b/routers/api/v1/repo/branch.go
@@ -11,7 +11,8 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#get-branch
+// GetBranch get a branch of a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#get-branch
 func GetBranch(ctx *context.APIContext) {
 	branch, err := ctx.Repo.Repository.GetBranch(ctx.Params(":branchname"))
 	if err != nil {
@@ -28,7 +29,8 @@ func GetBranch(ctx *context.APIContext) {
 	ctx.JSON(200, convert.ToBranch(branch, c))
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#list-branches
+// ListBranches list all the branches of a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#list-branches
 func ListBranches(ctx *context.APIContext) {
 	branches, err := ctx.Repo.Repository.GetBranches()
 	if err != nil {
diff --git a/routers/api/v1/repo/collaborators.go b/routers/api/v1/repo/collaborators.go
index 4cad20b60..a1e8ec653 100644
--- a/routers/api/v1/repo/collaborators.go
+++ b/routers/api/v1/repo/collaborators.go
@@ -11,6 +11,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
+// AddCollaborator add a collaborator of a repository
 func AddCollaborator(ctx *context.APIContext, form api.AddCollaboratorOption) {
 	collaborator, err := models.GetUserByName(ctx.Params(":collaborator"))
 	if err != nil {
diff --git a/routers/api/v1/repo/file.go b/routers/api/v1/repo/file.go
index 96948ea45..16a31f96c 100644
--- a/routers/api/v1/repo/file.go
+++ b/routers/api/v1/repo/file.go
@@ -12,7 +12,8 @@ import (
 	"code.gitea.io/gitea/routers/repo"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories-Contents#download-raw-content
+// GetRawFile get a file by path on a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories-Contents#download-raw-content
 func GetRawFile(ctx *context.APIContext) {
 	if !ctx.Repo.HasAccess() {
 		ctx.Status(404)
@@ -33,7 +34,8 @@ func GetRawFile(ctx *context.APIContext) {
 	}
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories-Contents#download-archive
+// GetArchive get archive of a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories-Contents#download-archive
 func GetArchive(ctx *context.APIContext) {
 	repoPath := models.RepoPath(ctx.Params(":username"), ctx.Params(":reponame"))
 	gitRepo, err := git.OpenRepository(repoPath)
@@ -46,6 +48,7 @@ func GetArchive(ctx *context.APIContext) {
 	repo.Download(ctx.Context)
 }
 
+// GetEditorconfig get editor config of a repository
 func GetEditorconfig(ctx *context.APIContext) {
 	ec, err := ctx.Repo.GetEditorconfig()
 	if err != nil {
diff --git a/routers/api/v1/repo/hook.go b/routers/api/v1/repo/hook.go
index 226b50db9..30e1fad36 100644
--- a/routers/api/v1/repo/hook.go
+++ b/routers/api/v1/repo/hook.go
@@ -16,7 +16,8 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#list-hooks
+// ListHooks list all hooks of a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#list-hooks
 func ListHooks(ctx *context.APIContext) {
 	hooks, err := models.GetWebhooksByRepoID(ctx.Repo.Repository.ID)
 	if err != nil {
@@ -31,7 +32,8 @@ func ListHooks(ctx *context.APIContext) {
 	ctx.JSON(200, &apiHooks)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#create-a-hook
+// CreateHook create a hook for a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#create-a-hook
 func CreateHook(ctx *context.APIContext, form api.CreateHookOption) {
 	if !models.IsValidHookTaskType(form.Type) {
 		ctx.Error(422, "", "Invalid hook type")
@@ -97,7 +99,8 @@ func CreateHook(ctx *context.APIContext, form api.CreateHookOption) {
 	ctx.JSON(201, convert.ToHook(ctx.Repo.RepoLink, w))
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#edit-a-hook
+// EditHook modify a hook of a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#edit-a-hook
 func EditHook(ctx *context.APIContext, form api.EditHookOption) {
 	w, err := models.GetWebhookByRepoID(ctx.Repo.Repository.ID, ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -165,6 +168,7 @@ func EditHook(ctx *context.APIContext, form api.EditHookOption) {
 	ctx.JSON(200, convert.ToHook(ctx.Repo.RepoLink, w))
 }
 
+// DeleteHook delete a hook of a repository
 func DeleteHook(ctx *context.APIContext) {
 	if err := models.DeleteWebhookByRepoID(ctx.Repo.Repository.ID, ctx.ParamsInt64(":id")); err != nil {
 		ctx.Error(500, "DeleteWebhookByRepoID", err)
diff --git a/routers/api/v1/repo/issue.go b/routers/api/v1/repo/issue.go
index c73bf5dbb..354678c78 100644
--- a/routers/api/v1/repo/issue.go
+++ b/routers/api/v1/repo/issue.go
@@ -15,6 +15,7 @@ import (
 	"code.gitea.io/gitea/modules/setting"
 )
 
+// ListIssues list the issues of a repository
 func ListIssues(ctx *context.APIContext) {
 	issues, err := models.Issues(&models.IssuesOptions{
 		RepoID: ctx.Repo.Repository.ID,
@@ -39,6 +40,7 @@ func ListIssues(ctx *context.APIContext) {
 	ctx.JSON(200, &apiIssues)
 }
 
+// GetIssue get an issue of a repository
 func GetIssue(ctx *context.APIContext) {
 	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
 	if err != nil {
@@ -52,6 +54,7 @@ func GetIssue(ctx *context.APIContext) {
 	ctx.JSON(200, issue.APIFormat())
 }
 
+// CreateIssue create an issue of a repository
 func CreateIssue(ctx *context.APIContext, form api.CreateIssueOption) {
 	issue := &models.Issue{
 		RepoID:   ctx.Repo.Repository.ID,
@@ -101,6 +104,7 @@ func CreateIssue(ctx *context.APIContext, form api.CreateIssueOption) {
 	ctx.JSON(201, issue.APIFormat())
 }
 
+// EditIssue modify an issue of a repository
 func EditIssue(ctx *context.APIContext, form api.EditIssueOption) {
 	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
 	if err != nil {
diff --git a/routers/api/v1/repo/issue_comment.go b/routers/api/v1/repo/issue_comment.go
index cf9a3eae0..06c7d2b1f 100644
--- a/routers/api/v1/repo/issue_comment.go
+++ b/routers/api/v1/repo/issue_comment.go
@@ -1,6 +1,7 @@
 // Copyright 2015 The Gogs Authors. All rights reserved.
 // Use of this source code is governed by a MIT-style
 // license that can be found in the LICENSE file.
+
 package repo
 
 import (
@@ -12,6 +13,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
+// ListIssueComments list all the comments of an issue
 func ListIssueComments(ctx *context.APIContext) {
 	var since time.Time
 	if len(ctx.Query("since")) > 0 {
@@ -38,6 +40,7 @@ func ListIssueComments(ctx *context.APIContext) {
 	ctx.JSON(200, &apiComments)
 }
 
+// CreateIssueComment create a comment for an issue
 func CreateIssueComment(ctx *context.APIContext, form api.CreateIssueCommentOption) {
 	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
 	if err != nil {
@@ -54,6 +57,7 @@ func CreateIssueComment(ctx *context.APIContext, form api.CreateIssueCommentOpti
 	ctx.JSON(201, comment.APIFormat())
 }
 
+// EditIssueComment modify a comment of an issue
 func EditIssueComment(ctx *context.APIContext, form api.EditIssueCommentOption) {
 	comment, err := models.GetCommentByID(ctx.ParamsInt64(":id"))
 	if err != nil {
diff --git a/routers/api/v1/repo/issue_label.go b/routers/api/v1/repo/issue_label.go
index 46d976253..e91b8e9da 100644
--- a/routers/api/v1/repo/issue_label.go
+++ b/routers/api/v1/repo/issue_label.go
@@ -11,6 +11,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
+// ListIssueLabels list all the labels of an issue
 func ListIssueLabels(ctx *context.APIContext) {
 	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
 	if err != nil {
@@ -29,6 +30,7 @@ func ListIssueLabels(ctx *context.APIContext) {
 	ctx.JSON(200, &apiLabels)
 }
 
+// AddIssueLabels add labels for an issue
 func AddIssueLabels(ctx *context.APIContext, form api.IssueLabelsOption) {
 	if !ctx.Repo.IsWriter() {
 		ctx.Status(403)
@@ -69,6 +71,7 @@ func AddIssueLabels(ctx *context.APIContext, form api.IssueLabelsOption) {
 	ctx.JSON(200, &apiLabels)
 }
 
+// DeleteIssueLabel delete a label for an issue
 func DeleteIssueLabel(ctx *context.APIContext) {
 	if !ctx.Repo.IsWriter() {
 		ctx.Status(403)
@@ -103,6 +106,7 @@ func DeleteIssueLabel(ctx *context.APIContext) {
 	ctx.Status(204)
 }
 
+// ReplaceIssueLabels replace labels for an issue
 func ReplaceIssueLabels(ctx *context.APIContext, form api.IssueLabelsOption) {
 	if !ctx.Repo.IsWriter() {
 		ctx.Status(403)
@@ -143,6 +147,7 @@ func ReplaceIssueLabels(ctx *context.APIContext, form api.IssueLabelsOption) {
 	ctx.JSON(200, &apiLabels)
 }
 
+// ClearIssueLabels delete all the labels for an issue
 func ClearIssueLabels(ctx *context.APIContext) {
 	if !ctx.Repo.IsWriter() {
 		ctx.Status(403)
diff --git a/routers/api/v1/repo/key.go b/routers/api/v1/repo/key.go
index 4d4240c29..51f080a38 100644
--- a/routers/api/v1/repo/key.go
+++ b/routers/api/v1/repo/key.go
@@ -19,7 +19,8 @@ func composeDeployKeysAPILink(repoPath string) string {
 	return setting.AppUrl + "api/v1/repos/" + repoPath + "/keys/"
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories-Deploy-Keys#list-deploy-keys
+// ListDeployKeys list all the deploy keys of a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories-Deploy-Keys#list-deploy-keys
 func ListDeployKeys(ctx *context.APIContext) {
 	keys, err := models.ListDeployKeys(ctx.Repo.Repository.ID)
 	if err != nil {
@@ -40,7 +41,8 @@ func ListDeployKeys(ctx *context.APIContext) {
 	ctx.JSON(200, &apiKeys)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories-Deploy-Keys#get-a-deploy-key
+// GetDeployKey get a deploy key by id
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories-Deploy-Keys#get-a-deploy-key
 func GetDeployKey(ctx *context.APIContext) {
 	key, err := models.GetDeployKeyByID(ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -61,6 +63,7 @@ func GetDeployKey(ctx *context.APIContext) {
 	ctx.JSON(200, convert.ToDeployKey(apiLink, key))
 }
 
+// HandleCheckKeyStringError handle check key error
 func HandleCheckKeyStringError(ctx *context.APIContext, err error) {
 	if models.IsErrKeyUnableVerify(err) {
 		ctx.Error(422, "", "Unable to verify key content")
@@ -69,6 +72,7 @@ func HandleCheckKeyStringError(ctx *context.APIContext, err error) {
 	}
 }
 
+// HandleAddKeyError handle add key error
 func HandleAddKeyError(ctx *context.APIContext, err error) {
 	switch {
 	case models.IsErrKeyAlreadyExist(err):
@@ -80,7 +84,8 @@ func HandleAddKeyError(ctx *context.APIContext, err error) {
 	}
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories-Deploy-Keys#add-a-new-deploy-key
+// CreateDeployKey create deploy key for a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories-Deploy-Keys#add-a-new-deploy-key
 func CreateDeployKey(ctx *context.APIContext, form api.CreateKeyOption) {
 	content, err := models.CheckPublicKeyString(form.Key)
 	if err != nil {
@@ -99,7 +104,8 @@ func CreateDeployKey(ctx *context.APIContext, form api.CreateKeyOption) {
 	ctx.JSON(201, convert.ToDeployKey(apiLink, key))
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories-Deploy-Keys#remove-a-deploy-key
+// DeleteDeploykey delete deploy key for a repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories-Deploy-Keys#remove-a-deploy-key
 func DeleteDeploykey(ctx *context.APIContext) {
 	if err := models.DeleteDeployKey(ctx.User, ctx.ParamsInt64(":id")); err != nil {
 		if models.IsErrKeyAccessDenied(err) {
diff --git a/routers/api/v1/repo/label.go b/routers/api/v1/repo/label.go
index 009e8d8a0..383868bed 100644
--- a/routers/api/v1/repo/label.go
+++ b/routers/api/v1/repo/label.go
@@ -11,6 +11,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
+// ListLabels list all the labels of a repository
 func ListLabels(ctx *context.APIContext) {
 	labels, err := models.GetLabelsByRepoID(ctx.Repo.Repository.ID)
 	if err != nil {
@@ -25,6 +26,7 @@ func ListLabels(ctx *context.APIContext) {
 	ctx.JSON(200, &apiLabels)
 }
 
+// GetLabel get label by repository and label id
 func GetLabel(ctx *context.APIContext) {
 	label, err := models.GetLabelInRepoByID(ctx.Repo.Repository.ID, ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -39,6 +41,7 @@ func GetLabel(ctx *context.APIContext) {
 	ctx.JSON(200, label.APIFormat())
 }
 
+// CreateLabel create a label for a repository
 func CreateLabel(ctx *context.APIContext, form api.CreateLabelOption) {
 	if !ctx.Repo.IsWriter() {
 		ctx.Status(403)
@@ -57,6 +60,7 @@ func CreateLabel(ctx *context.APIContext, form api.CreateLabelOption) {
 	ctx.JSON(201, label.APIFormat())
 }
 
+// EditLabel modify a label for a repository
 func EditLabel(ctx *context.APIContext, form api.EditLabelOption) {
 	if !ctx.Repo.IsWriter() {
 		ctx.Status(403)
@@ -86,6 +90,7 @@ func EditLabel(ctx *context.APIContext, form api.EditLabelOption) {
 	ctx.JSON(200, label.APIFormat())
 }
 
+// DeleteLabel delete a label for a repository
 func DeleteLabel(ctx *context.APIContext) {
 	if !ctx.Repo.IsWriter() {
 		ctx.Status(403)
diff --git a/routers/api/v1/repo/milestone.go b/routers/api/v1/repo/milestone.go
index 2c6a93f82..ef32ed898 100644
--- a/routers/api/v1/repo/milestone.go
+++ b/routers/api/v1/repo/milestone.go
@@ -13,6 +13,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
+// ListMilestones list all the milestones for a repository
 func ListMilestones(ctx *context.APIContext) {
 	milestones, err := models.GetMilestonesByRepoID(ctx.Repo.Repository.ID)
 	if err != nil {
@@ -27,6 +28,7 @@ func ListMilestones(ctx *context.APIContext) {
 	ctx.JSON(200, &apiMilestones)
 }
 
+// GetMilestone get a milestone for a repository
 func GetMilestone(ctx *context.APIContext) {
 	milestone, err := models.GetMilestoneByRepoID(ctx.Repo.Repository.ID, ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -40,6 +42,7 @@ func GetMilestone(ctx *context.APIContext) {
 	ctx.JSON(200, milestone.APIFormat())
 }
 
+// CreateMilestone create a milestone for a repository
 func CreateMilestone(ctx *context.APIContext, form api.CreateMilestoneOption) {
 	if form.Deadline == nil {
 		defaultDeadline, _ := time.ParseInLocation("2006-01-02", "9999-12-31", time.Local)
@@ -60,6 +63,7 @@ func CreateMilestone(ctx *context.APIContext, form api.CreateMilestoneOption) {
 	ctx.JSON(201, milestone.APIFormat())
 }
 
+// EditMilestone modify a milestone for a repository
 func EditMilestone(ctx *context.APIContext, form api.EditMilestoneOption) {
 	milestone, err := models.GetMilestoneByRepoID(ctx.Repo.Repository.ID, ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -88,6 +92,7 @@ func EditMilestone(ctx *context.APIContext, form api.EditMilestoneOption) {
 	ctx.JSON(200, milestone.APIFormat())
 }
 
+// DeleteMilestone delete a milestone for a repository
 func DeleteMilestone(ctx *context.APIContext) {
 	if err := models.DeleteMilestoneByRepoID(ctx.Repo.Repository.ID, ctx.ParamsInt64(":id")); err != nil {
 		ctx.Error(500, "DeleteMilestoneByRepoID", err)
diff --git a/routers/api/v1/repo/repo.go b/routers/api/v1/repo/repo.go
index 4353fb74e..6ae513db1 100644
--- a/routers/api/v1/repo/repo.go
+++ b/routers/api/v1/repo/repo.go
@@ -17,7 +17,8 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#search-repositories
+// Search repositories via options
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#search-repositories
 func Search(ctx *context.APIContext) {
 	opts := &models.SearchRepoOptions{
 		Keyword:  path.Base(ctx.Query("q")),
@@ -76,7 +77,8 @@ func Search(ctx *context.APIContext) {
 	})
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#list-your-repositories
+// ListMyRepos list all my repositories
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#list-your-repositories
 func ListMyRepos(ctx *context.APIContext) {
 	ownRepos, err := models.GetUserRepositories(ctx.User.ID, true, 1, ctx.User.NumRepos)
 	if err != nil {
@@ -109,6 +111,7 @@ func ListMyRepos(ctx *context.APIContext) {
 	ctx.JSON(200, &repos)
 }
 
+// CreateUserRepo create a repository for a user
 func CreateUserRepo(ctx *context.APIContext, owner *models.User, opt api.CreateRepoOption) {
 	repo, err := models.CreateRepository(owner, models.CreateRepoOptions{
 		Name:        opt.Name,
@@ -138,7 +141,8 @@ func CreateUserRepo(ctx *context.APIContext, owner *models.User, opt api.CreateR
 	ctx.JSON(201, repo.APIFormat(&api.Permission{true, true, true}))
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#create
+// Create create one repository of mine
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#create
 func Create(ctx *context.APIContext, opt api.CreateRepoOption) {
 	// Shouldn't reach this condition, but just in case.
 	if ctx.User.IsOrganization() {
@@ -148,6 +152,7 @@ func Create(ctx *context.APIContext, opt api.CreateRepoOption) {
 	CreateUserRepo(ctx, ctx.User, opt)
 }
 
+// CreateOrgRepo create one repository of the organization
 func CreateOrgRepo(ctx *context.APIContext, opt api.CreateRepoOption) {
 	org, err := models.GetOrgByName(ctx.Params(":org"))
 	if err != nil {
@@ -166,7 +171,8 @@ func CreateOrgRepo(ctx *context.APIContext, opt api.CreateRepoOption) {
 	CreateUserRepo(ctx, org, opt)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#migrate
+// Migrate migrate remote git repository to gitea
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#migrate
 func Migrate(ctx *context.APIContext, form auth.MigrateRepoForm) {
 	ctxUser := ctx.User
 	// Not equal means context user is an organization,
@@ -238,13 +244,15 @@ func Migrate(ctx *context.APIContext, form auth.MigrateRepoForm) {
 	ctx.JSON(201, repo.APIFormat(&api.Permission{true, true, true}))
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#get
+// Get get one repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#get
 func Get(ctx *context.APIContext) {
 	repo := ctx.Repo.Repository
 	ctx.JSON(200, repo.APIFormat(&api.Permission{true, true, true}))
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Repositories#delete
+// Delete delete one repository
+// see https://github.com/gogits/go-gogs-client/wiki/Repositories#delete
 func Delete(ctx *context.APIContext) {
 	owner := ctx.Repo.Owner
 	repo := ctx.Repo.Repository
diff --git a/routers/api/v1/user/app.go b/routers/api/v1/user/app.go
index e678aaff5..2955f78a7 100644
--- a/routers/api/v1/user/app.go
+++ b/routers/api/v1/user/app.go
@@ -11,7 +11,8 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Users#list-access-tokens-for-a-user
+// ListAccessTokens list all the access tokens
+// see https://github.com/gogits/go-gogs-client/wiki/Users#list-access-tokens-for-a-user
 func ListAccessTokens(ctx *context.APIContext) {
 	tokens, err := models.ListAccessTokens(ctx.User.ID)
 	if err != nil {
@@ -26,7 +27,8 @@ func ListAccessTokens(ctx *context.APIContext) {
 	ctx.JSON(200, &apiTokens)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users#create-a-access-token
+// CreateAccessToken create access tokens
+// see https://github.com/gogits/go-gogs-client/wiki/Users#create-a-access-token
 func CreateAccessToken(ctx *context.APIContext, form api.CreateAccessTokenOption) {
 	t := &models.AccessToken{
 		UID:  ctx.User.ID,
diff --git a/routers/api/v1/user/email.go b/routers/api/v1/user/email.go
index 2503d01a4..f42fc11cf 100644
--- a/routers/api/v1/user/email.go
+++ b/routers/api/v1/user/email.go
@@ -13,7 +13,8 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Emails#list-email-addresses-for-a-user
+// ListEmails list all the emails of mine
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Emails#list-email-addresses-for-a-user
 func ListEmails(ctx *context.APIContext) {
 	emails, err := models.GetEmailAddresses(ctx.User.ID)
 	if err != nil {
@@ -27,7 +28,8 @@ func ListEmails(ctx *context.APIContext) {
 	ctx.JSON(200, &apiEmails)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Emails#add-email-addresses
+// AddEmail add email for me
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Emails#add-email-addresses
 func AddEmail(ctx *context.APIContext, form api.CreateEmailOption) {
 	if len(form.Emails) == 0 {
 		ctx.Status(422)
@@ -59,7 +61,8 @@ func AddEmail(ctx *context.APIContext, form api.CreateEmailOption) {
 	ctx.JSON(201, &apiEmails)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Emails#delete-email-addresses
+// DeleteEmail delete email
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Emails#delete-email-addresses
 func DeleteEmail(ctx *context.APIContext, form api.CreateEmailOption) {
 	if len(form.Emails) == 0 {
 		ctx.Status(204)
diff --git a/routers/api/v1/user/follower.go b/routers/api/v1/user/follower.go
index 594c36517..ff043c9de 100644
--- a/routers/api/v1/user/follower.go
+++ b/routers/api/v1/user/follower.go
@@ -11,7 +11,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
-func responseApiUsers(ctx *context.APIContext, users []*models.User) {
+func responseAPIUsers(ctx *context.APIContext, users []*models.User) {
 	apiUsers := make([]*api.User, len(users))
 	for i := range users {
 		apiUsers[i] = users[i].APIFormat()
@@ -25,14 +25,16 @@ func listUserFollowers(ctx *context.APIContext, u *models.User) {
 		ctx.Error(500, "GetUserFollowers", err)
 		return
 	}
-	responseApiUsers(ctx, users)
+	responseAPIUsers(ctx, users)
 }
 
+// ListMyFollowers list all my followers
 func ListMyFollowers(ctx *context.APIContext) {
 	listUserFollowers(ctx, ctx.User)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#list-followers-of-a-user
+// ListFollowers list user's followers
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Followers#list-followers-of-a-user
 func ListFollowers(ctx *context.APIContext) {
 	u := GetUserByParams(ctx)
 	if ctx.Written() {
@@ -47,14 +49,16 @@ func listUserFollowing(ctx *context.APIContext, u *models.User) {
 		ctx.Error(500, "GetFollowing", err)
 		return
 	}
-	responseApiUsers(ctx, users)
+	responseAPIUsers(ctx, users)
 }
 
+// ListMyFollowing list all my followings
 func ListMyFollowing(ctx *context.APIContext) {
 	listUserFollowing(ctx, ctx.User)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#list-users-followed-by-another-user
+// ListFollowing list user's followings
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Followers#list-users-followed-by-another-user
 func ListFollowing(ctx *context.APIContext) {
 	u := GetUserByParams(ctx)
 	if ctx.Written() {
@@ -71,7 +75,8 @@ func checkUserFollowing(ctx *context.APIContext, u *models.User, followID int64)
 	}
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#check-if-you-are-following-a-user
+// CheckMyFollowing check if the repo is followed by me
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Followers#check-if-you-are-following-a-user
 func CheckMyFollowing(ctx *context.APIContext) {
 	target := GetUserByParams(ctx)
 	if ctx.Written() {
@@ -80,7 +85,8 @@ func CheckMyFollowing(ctx *context.APIContext) {
 	checkUserFollowing(ctx, ctx.User, target.ID)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#check-if-one-user-follows-another
+// CheckFollowing check if the repo is followed by user
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Followers#check-if-one-user-follows-another
 func CheckFollowing(ctx *context.APIContext) {
 	u := GetUserByParams(ctx)
 	if ctx.Written() {
@@ -93,7 +99,8 @@ func CheckFollowing(ctx *context.APIContext) {
 	checkUserFollowing(ctx, u, target.ID)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#follow-a-user
+// Follow follow one repository
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Followers#follow-a-user
 func Follow(ctx *context.APIContext) {
 	target := GetUserByParams(ctx)
 	if ctx.Written() {
@@ -106,7 +113,8 @@ func Follow(ctx *context.APIContext) {
 	ctx.Status(204)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#unfollow-a-user
+// Unfollow unfollow one repository
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Followers#unfollow-a-user
 func Unfollow(ctx *context.APIContext) {
 	target := GetUserByParams(ctx)
 	if ctx.Written() {
diff --git a/routers/api/v1/user/key.go b/routers/api/v1/user/key.go
index 6df405a16..c743b5dea 100644
--- a/routers/api/v1/user/key.go
+++ b/routers/api/v1/user/key.go
@@ -14,6 +14,7 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/repo"
 )
 
+// GetUserByParamsName get user by name
 func GetUserByParamsName(ctx *context.APIContext, name string) *models.User {
 	user, err := models.GetUserByName(ctx.Params(name))
 	if err != nil {
@@ -52,12 +53,14 @@ func listPublicKeys(ctx *context.APIContext, uid int64) {
 	ctx.JSON(200, &apiKeys)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#list-your-public-keys
+// ListMyPublicKeys list all my public keys
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#list-your-public-keys
 func ListMyPublicKeys(ctx *context.APIContext) {
 	listPublicKeys(ctx, ctx.User.ID)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#list-public-keys-for-a-user
+// ListPublicKeys list all user's public keys
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#list-public-keys-for-a-user
 func ListPublicKeys(ctx *context.APIContext) {
 	user := GetUserByParams(ctx)
 	if ctx.Written() {
@@ -66,7 +69,8 @@ func ListPublicKeys(ctx *context.APIContext) {
 	listPublicKeys(ctx, user.ID)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#get-a-single-public-key
+// GetPublicKey get one public key
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#get-a-single-public-key
 func GetPublicKey(ctx *context.APIContext) {
 	key, err := models.GetPublicKeyByID(ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -99,12 +103,14 @@ func CreateUserPublicKey(ctx *context.APIContext, form api.CreateKeyOption, uid
 	ctx.JSON(201, convert.ToPublicKey(apiLink, key))
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#create-a-public-key
+// CreatePublicKey create one public key for me
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#create-a-public-key
 func CreatePublicKey(ctx *context.APIContext, form api.CreateKeyOption) {
 	CreateUserPublicKey(ctx, form, ctx.User.ID)
 }
 
-// https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#delete-a-public-key
+// DeletePublicKey delete one public key of mine
+// see https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#delete-a-public-key
 func DeletePublicKey(ctx *context.APIContext) {
 	if err := models.DeletePublicKey(ctx.User, ctx.ParamsInt64(":id")); err != nil {
 		if models.IsErrKeyAccessDenied(err) {
diff --git a/routers/api/v1/user/user.go b/routers/api/v1/user/user.go
index c6a454cc4..ef0a5b212 100644
--- a/routers/api/v1/user/user.go
+++ b/routers/api/v1/user/user.go
@@ -13,6 +13,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
+// Search search users
 func Search(ctx *context.APIContext) {
 	opts := &models.SearchUserOptions{
 		Keyword:  ctx.Query("q"),
@@ -51,6 +52,7 @@ func Search(ctx *context.APIContext) {
 	})
 }
 
+// GetInfo get user's information
 func GetInfo(ctx *context.APIContext) {
 	u, err := models.GetUserByName(ctx.Params(":username"))
 	if err != nil {
@@ -69,6 +71,7 @@ func GetInfo(ctx *context.APIContext) {
 	ctx.JSON(200, u.APIFormat())
 }
 
+// GetAuthenticatedUser get curent user's information
 func GetAuthenticatedUser(ctx *context.APIContext) {
 	ctx.JSON(200, ctx.User.APIFormat())
 }
diff --git a/routers/repo/commit.go b/routers/repo/commit.go
index 9706779ee..7f4115863 100644
--- a/routers/repo/commit.go
+++ b/routers/repo/commit.go
@@ -17,10 +17,11 @@ import (
 )
 
 const (
-	COMMITS base.TplName = "repo/commits"
-	DIFF    base.TplName = "repo/diff/page"
+	tplCommits base.TplName = "repo/commits"
+	tplDiff    base.TplName = "repo/diff/page"
 )
 
+// RefCommits render commits page
 func RefCommits(ctx *context.Context) {
 	switch {
 	case len(ctx.Repo.TreePath) == 0:
@@ -32,7 +33,7 @@ func RefCommits(ctx *context.Context) {
 	}
 }
 
-func RenderIssueLinks(oldCommits *list.List, repoLink string) *list.List {
+func renderIssueLinks(oldCommits *list.List, repoLink string) *list.List {
 	newCommits := list.New()
 	for e := oldCommits.Front(); e != nil; e = e.Next() {
 		c := e.Value.(*git.Commit)
@@ -41,6 +42,7 @@ func RenderIssueLinks(oldCommits *list.List, repoLink string) *list.List {
 	return newCommits
 }
 
+// Commits render branch's commits
 func Commits(ctx *context.Context) {
 	ctx.Data["PageIsCommits"] = true
 
@@ -62,7 +64,7 @@ func Commits(ctx *context.Context) {
 		ctx.Handle(500, "CommitsByRange", err)
 		return
 	}
-	commits = RenderIssueLinks(commits, ctx.Repo.RepoLink)
+	commits = renderIssueLinks(commits, ctx.Repo.RepoLink)
 	commits = models.ValidateCommitsWithEmails(commits)
 	ctx.Data["Commits"] = commits
 
@@ -70,9 +72,10 @@ func Commits(ctx *context.Context) {
 	ctx.Data["Reponame"] = ctx.Repo.Repository.Name
 	ctx.Data["CommitCount"] = commitsCount
 	ctx.Data["Branch"] = ctx.Repo.BranchName
-	ctx.HTML(200, COMMITS)
+	ctx.HTML(200, tplCommits)
 }
 
+// SearchCommits render commits filtered by keyword
 func SearchCommits(ctx *context.Context) {
 	ctx.Data["PageIsCommits"] = true
 
@@ -87,7 +90,7 @@ func SearchCommits(ctx *context.Context) {
 		ctx.Handle(500, "SearchCommits", err)
 		return
 	}
-	commits = RenderIssueLinks(commits, ctx.Repo.RepoLink)
+	commits = renderIssueLinks(commits, ctx.Repo.RepoLink)
 	commits = models.ValidateCommitsWithEmails(commits)
 	ctx.Data["Commits"] = commits
 
@@ -96,9 +99,10 @@ func SearchCommits(ctx *context.Context) {
 	ctx.Data["Reponame"] = ctx.Repo.Repository.Name
 	ctx.Data["CommitCount"] = commits.Len()
 	ctx.Data["Branch"] = ctx.Repo.BranchName
-	ctx.HTML(200, COMMITS)
+	ctx.HTML(200, tplCommits)
 }
 
+// FileHistory show a file's reversions
 func FileHistory(ctx *context.Context) {
 	ctx.Data["IsRepoToolbarCommits"] = true
 
@@ -129,7 +133,7 @@ func FileHistory(ctx *context.Context) {
 		ctx.Handle(500, "CommitsByFileAndRange", err)
 		return
 	}
-	commits = RenderIssueLinks(commits, ctx.Repo.RepoLink)
+	commits = renderIssueLinks(commits, ctx.Repo.RepoLink)
 	commits = models.ValidateCommitsWithEmails(commits)
 	ctx.Data["Commits"] = commits
 
@@ -138,9 +142,10 @@ func FileHistory(ctx *context.Context) {
 	ctx.Data["FileName"] = fileName
 	ctx.Data["CommitCount"] = commitsCount
 	ctx.Data["Branch"] = branchName
-	ctx.HTML(200, COMMITS)
+	ctx.HTML(200, tplCommits)
 }
 
+// Diff show different from current commit to previous commit
 func Diff(ctx *context.Context) {
 	ctx.Data["PageIsDiff"] = true
 	ctx.Data["RequireHighlightJS"] = true
@@ -194,9 +199,10 @@ func Diff(ctx *context.Context) {
 		ctx.Data["BeforeSourcePath"] = setting.AppSubUrl + "/" + path.Join(userName, repoName, "src", parents[0])
 	}
 	ctx.Data["RawPath"] = setting.AppSubUrl + "/" + path.Join(userName, repoName, "raw", commitID)
-	ctx.HTML(200, DIFF)
+	ctx.HTML(200, tplDiff)
 }
 
+// RawDiff dumps diff results of repository in given commit ID to io.Writer
 func RawDiff(ctx *context.Context) {
 	if err := models.GetRawDiff(
 		models.RepoPath(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name),
@@ -209,6 +215,7 @@ func RawDiff(ctx *context.Context) {
 	}
 }
 
+// CompareDiff show different from one commit to another commit
 func CompareDiff(ctx *context.Context) {
 	ctx.Data["IsRepoToolbarCommits"] = true
 	ctx.Data["IsDiffCompare"] = true
@@ -253,5 +260,5 @@ func CompareDiff(ctx *context.Context) {
 	ctx.Data["SourcePath"] = setting.AppSubUrl + "/" + path.Join(userName, repoName, "src", afterCommitID)
 	ctx.Data["BeforeSourcePath"] = setting.AppSubUrl + "/" + path.Join(userName, repoName, "src", beforeCommitID)
 	ctx.Data["RawPath"] = setting.AppSubUrl + "/" + path.Join(userName, repoName, "raw", afterCommitID)
-	ctx.HTML(200, DIFF)
+	ctx.HTML(200, tplDiff)
 }
diff --git a/routers/repo/download.go b/routers/repo/download.go
index 654cc0139..3adab315d 100644
--- a/routers/repo/download.go
+++ b/routers/repo/download.go
@@ -14,6 +14,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 )
 
+// ServeData download file from io.Reader
 func ServeData(ctx *context.Context, name string, reader io.Reader) error {
 	buf := make([]byte, 1024)
 	n, _ := reader.Read(buf)
@@ -34,6 +35,7 @@ func ServeData(ctx *context.Context, name string, reader io.Reader) error {
 	return err
 }
 
+// ServeBlob download a git.Blob
 func ServeBlob(ctx *context.Context, blob *git.Blob) error {
 	dataRc, err := blob.Data()
 	if err != nil {
@@ -43,6 +45,7 @@ func ServeBlob(ctx *context.Context, blob *git.Blob) error {
 	return ServeData(ctx, ctx.Repo.TreePath, dataRc)
 }
 
+// SingleDownload download a file by repos path
 func SingleDownload(ctx *context.Context) {
 	blob, err := ctx.Repo.Commit.GetBlobByPath(ctx.Repo.TreePath)
 	if err != nil {
diff --git a/routers/repo/editor.go b/routers/repo/editor.go
index fca543017..d0d528e25 100644
--- a/routers/repo/editor.go
+++ b/routers/repo/editor.go
@@ -22,10 +22,10 @@ import (
 )
 
 const (
-	EDIT_FILE         base.TplName = "repo/editor/edit"
-	EDIT_DIFF_PREVIEW base.TplName = "repo/editor/diff_preview"
-	DELETE_FILE       base.TplName = "repo/editor/delete"
-	UPLOAD_FILE       base.TplName = "repo/editor/upload"
+	tplEditFile        base.TplName = "repo/editor/edit"
+	tplEditDiffPreview base.TplName = "repo/editor/diff_preview"
+	tplDeleteFile      base.TplName = "repo/editor/delete"
+	tplUploadFile      base.TplName = "repo/editor/upload"
 )
 
 func editFile(ctx *context.Context, isNewFile bool) {
@@ -98,13 +98,15 @@ func editFile(ctx *context.Context, isNewFile bool) {
 	ctx.Data["PreviewableFileModes"] = strings.Join(setting.Repository.Editor.PreviewableFileModes, ",")
 	ctx.Data["EditorconfigURLPrefix"] = fmt.Sprintf("%s/api/v1/repos/%s/editorconfig/", setting.AppSubUrl, ctx.Repo.Repository.FullName())
 
-	ctx.HTML(200, EDIT_FILE)
+	ctx.HTML(200, tplEditFile)
 }
 
+// EditFile render edit file page
 func EditFile(ctx *context.Context) {
 	editFile(ctx, false)
 }
 
+// NewFile render create file page
 func NewFile(ctx *context.Context) {
 	editFile(ctx, true)
 }
@@ -146,20 +148,20 @@ func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bo
 	ctx.Data["PreviewableFileModes"] = strings.Join(setting.Repository.Editor.PreviewableFileModes, ",")
 
 	if ctx.HasError() {
-		ctx.HTML(200, EDIT_FILE)
+		ctx.HTML(200, tplEditFile)
 		return
 	}
 
 	if len(form.TreePath) == 0 {
 		ctx.Data["Err_TreePath"] = true
-		ctx.RenderWithErr(ctx.Tr("repo.editor.filename_cannot_be_empty"), EDIT_FILE, &form)
+		ctx.RenderWithErr(ctx.Tr("repo.editor.filename_cannot_be_empty"), tplEditFile, &form)
 		return
 	}
 
 	if oldBranchName != branchName {
 		if _, err := ctx.Repo.Repository.GetBranch(branchName); err == nil {
 			ctx.Data["Err_NewBranchName"] = true
-			ctx.RenderWithErr(ctx.Tr("repo.editor.branch_already_exists", branchName), EDIT_FILE, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.editor.branch_already_exists", branchName), tplEditFile, &form)
 			return
 		}
 	}
@@ -180,13 +182,13 @@ func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bo
 		if index != len(treeNames)-1 {
 			if !entry.IsDir() {
 				ctx.Data["Err_TreePath"] = true
-				ctx.RenderWithErr(ctx.Tr("repo.editor.directory_is_a_file", part), EDIT_FILE, &form)
+				ctx.RenderWithErr(ctx.Tr("repo.editor.directory_is_a_file", part), tplEditFile, &form)
 				return
 			}
 		} else {
 			if entry.IsDir() {
 				ctx.Data["Err_TreePath"] = true
-				ctx.RenderWithErr(ctx.Tr("repo.editor.filename_is_a_directory", part), EDIT_FILE, &form)
+				ctx.RenderWithErr(ctx.Tr("repo.editor.filename_is_a_directory", part), tplEditFile, &form)
 				return
 			}
 		}
@@ -197,7 +199,7 @@ func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bo
 		if err != nil {
 			if git.IsErrNotExist(err) {
 				ctx.Data["Err_TreePath"] = true
-				ctx.RenderWithErr(ctx.Tr("repo.editor.file_editing_no_longer_exists", oldTreePath), EDIT_FILE, &form)
+				ctx.RenderWithErr(ctx.Tr("repo.editor.file_editing_no_longer_exists", oldTreePath), tplEditFile, &form)
 			} else {
 				ctx.Handle(500, "GetTreeEntryByPath", err)
 			}
@@ -212,7 +214,7 @@ func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bo
 
 			for _, file := range files {
 				if file == form.TreePath {
-					ctx.RenderWithErr(ctx.Tr("repo.editor.file_changed_while_editing", ctx.Repo.RepoLink+"/compare/"+lastCommit+"..."+ctx.Repo.CommitID), EDIT_FILE, &form)
+					ctx.RenderWithErr(ctx.Tr("repo.editor.file_changed_while_editing", ctx.Repo.RepoLink+"/compare/"+lastCommit+"..."+ctx.Repo.CommitID), tplEditFile, &form)
 					return
 				}
 			}
@@ -230,7 +232,7 @@ func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bo
 		}
 		if entry != nil {
 			ctx.Data["Err_TreePath"] = true
-			ctx.RenderWithErr(ctx.Tr("repo.editor.file_already_exists", form.TreePath), EDIT_FILE, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.editor.file_already_exists", form.TreePath), tplEditFile, &form)
 			return
 		}
 	}
@@ -260,21 +262,24 @@ func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bo
 		IsNewFile:    isNewFile,
 	}); err != nil {
 		ctx.Data["Err_TreePath"] = true
-		ctx.RenderWithErr(ctx.Tr("repo.editor.fail_to_update_file", form.TreePath, err), EDIT_FILE, &form)
+		ctx.RenderWithErr(ctx.Tr("repo.editor.fail_to_update_file", form.TreePath, err), tplEditFile, &form)
 		return
 	}
 
 	ctx.Redirect(ctx.Repo.RepoLink + "/src/" + branchName + "/" + strings.NewReplacer("%", "%25", "#", "%23", " ", "%20", "?", "%3F").Replace(form.TreePath))
 }
 
+// EditFilePost response for editing file
 func EditFilePost(ctx *context.Context, form auth.EditRepoFileForm) {
 	editFilePost(ctx, form, false)
 }
 
+// NewFilePost response for creating file
 func NewFilePost(ctx *context.Context, form auth.EditRepoFileForm) {
 	editFilePost(ctx, form, true)
 }
 
+// DiffPreviewPost render preview diff page
 func DiffPreviewPost(ctx *context.Context, form auth.EditPreviewDiffForm) {
 	treePath := ctx.Repo.TreePath
 
@@ -299,9 +304,10 @@ func DiffPreviewPost(ctx *context.Context, form auth.EditPreviewDiffForm) {
 	}
 	ctx.Data["File"] = diff.Files[0]
 
-	ctx.HTML(200, EDIT_DIFF_PREVIEW)
+	ctx.HTML(200, tplEditDiffPreview)
 }
 
+// DeleteFile render delete file page
 func DeleteFile(ctx *context.Context) {
 	ctx.Data["PageIsDelete"] = true
 	ctx.Data["BranchLink"] = ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchName
@@ -310,9 +316,10 @@ func DeleteFile(ctx *context.Context) {
 	ctx.Data["commit_message"] = ""
 	ctx.Data["commit_choice"] = "direct"
 	ctx.Data["new_branch_name"] = ""
-	ctx.HTML(200, DELETE_FILE)
+	ctx.HTML(200, tplDeleteFile)
 }
 
+// DeleteFilePost response for deleting file
 func DeleteFilePost(ctx *context.Context, form auth.DeleteRepoFileForm) {
 	ctx.Data["PageIsDelete"] = true
 	ctx.Data["BranchLink"] = ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchName
@@ -330,14 +337,14 @@ func DeleteFilePost(ctx *context.Context, form auth.DeleteRepoFileForm) {
 	ctx.Data["new_branch_name"] = branchName
 
 	if ctx.HasError() {
-		ctx.HTML(200, DELETE_FILE)
+		ctx.HTML(200, tplDeleteFile)
 		return
 	}
 
 	if oldBranchName != branchName {
 		if _, err := ctx.Repo.Repository.GetBranch(branchName); err == nil {
 			ctx.Data["Err_NewBranchName"] = true
-			ctx.RenderWithErr(ctx.Tr("repo.editor.branch_already_exists", branchName), DELETE_FILE, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.editor.branch_already_exists", branchName), tplDeleteFile, &form)
 			return
 		}
 	}
@@ -374,6 +381,7 @@ func renderUploadSettings(ctx *context.Context) {
 	ctx.Data["UploadMaxFiles"] = setting.Repository.Upload.MaxFiles
 }
 
+// UploadFile render upload file page
 func UploadFile(ctx *context.Context) {
 	ctx.Data["PageIsUpload"] = true
 	renderUploadSettings(ctx)
@@ -391,9 +399,10 @@ func UploadFile(ctx *context.Context) {
 	ctx.Data["commit_choice"] = "direct"
 	ctx.Data["new_branch_name"] = ""
 
-	ctx.HTML(200, UPLOAD_FILE)
+	ctx.HTML(200, tplUploadFile)
 }
 
+// UploadFilePost response for uploading file
 func UploadFilePost(ctx *context.Context, form auth.UploadRepoFileForm) {
 	ctx.Data["PageIsUpload"] = true
 	renderUploadSettings(ctx)
@@ -422,14 +431,14 @@ func UploadFilePost(ctx *context.Context, form auth.UploadRepoFileForm) {
 	ctx.Data["new_branch_name"] = branchName
 
 	if ctx.HasError() {
-		ctx.HTML(200, UPLOAD_FILE)
+		ctx.HTML(200, tplUploadFile)
 		return
 	}
 
 	if oldBranchName != branchName {
 		if _, err := ctx.Repo.Repository.GetBranch(branchName); err == nil {
 			ctx.Data["Err_NewBranchName"] = true
-			ctx.RenderWithErr(ctx.Tr("repo.editor.branch_already_exists", branchName), UPLOAD_FILE, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.editor.branch_already_exists", branchName), tplUploadFile, &form)
 			return
 		}
 	}
@@ -451,7 +460,7 @@ func UploadFilePost(ctx *context.Context, form auth.UploadRepoFileForm) {
 		// User can only upload files to a directory.
 		if !entry.IsDir() {
 			ctx.Data["Err_TreePath"] = true
-			ctx.RenderWithErr(ctx.Tr("repo.editor.directory_is_a_file", part), UPLOAD_FILE, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.editor.directory_is_a_file", part), tplUploadFile, &form)
 			return
 		}
 	}
@@ -475,13 +484,14 @@ func UploadFilePost(ctx *context.Context, form auth.UploadRepoFileForm) {
 		Files:        form.Files,
 	}); err != nil {
 		ctx.Data["Err_TreePath"] = true
-		ctx.RenderWithErr(ctx.Tr("repo.editor.unable_to_upload_files", form.TreePath, err), UPLOAD_FILE, &form)
+		ctx.RenderWithErr(ctx.Tr("repo.editor.unable_to_upload_files", form.TreePath, err), tplUploadFile, &form)
 		return
 	}
 
 	ctx.Redirect(ctx.Repo.RepoLink + "/src/" + branchName + "/" + form.TreePath)
 }
 
+// UploadFileToServer upload file to server file dir not git
 func UploadFileToServer(ctx *context.Context) {
 	file, header, err := ctx.Req.FormFile("file")
 	if err != nil {
@@ -525,6 +535,7 @@ func UploadFileToServer(ctx *context.Context) {
 	})
 }
 
+// RemoveUploadFileFromServer remove file from server file dir
 func RemoveUploadFileFromServer(ctx *context.Context, form auth.RemoveUploadFileForm) {
 	if len(form.File) == 0 {
 		ctx.Status(204)
diff --git a/routers/repo/http.go b/routers/repo/http.go
index a51fa9f17..91438812a 100644
--- a/routers/repo/http.go
+++ b/routers/repo/http.go
@@ -29,6 +29,7 @@ import (
 	"code.gitea.io/gitea/modules/setting"
 )
 
+// HTTP implmentation git smart HTTP protocol
 func HTTP(ctx *context.Context) {
 	username := ctx.Params(":username")
 	reponame := strings.TrimSuffix(ctx.Params(":reponame"), ".git")
@@ -170,7 +171,7 @@ func HTTP(ctx *context.Context) {
 			return
 		}
 
-		var lastLine int64 = 0
+		var lastLine int64
 		for {
 			head := input[lastLine : lastLine+2]
 			if head[0] == '0' && head[1] == '0' {
@@ -193,15 +194,15 @@ func HTTP(ctx *context.Context) {
 
 				fields := strings.Fields(string(line))
 				if len(fields) >= 3 {
-					oldCommitId := fields[0][4:]
-					newCommitId := fields[1]
+					oldCommitID := fields[0][4:]
+					newCommitID := fields[1]
 					refFullName := fields[2]
 
 					// FIXME: handle error.
 					if err = models.PushUpdate(models.PushUpdateOptions{
 						RefFullName:  refFullName,
-						OldCommitID:  oldCommitId,
-						NewCommitID:  newCommitId,
+						OldCommitID:  oldCommitID,
+						NewCommitID:  newCommitID,
 						PusherID:     authUser.ID,
 						PusherName:   authUser.Name,
 						RepoUserName: username,
@@ -474,6 +475,7 @@ func getGitRepoPath(subdir string) (string, error) {
 	return fpath, nil
 }
 
+// HTTPBackend middleware for git smart HTTP protocol
 func HTTPBackend(ctx *context.Context, cfg *serviceConfig) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		for _, route := range routes {
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 3b5abf896..62bfd3a56 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -27,23 +27,25 @@ import (
 )
 
 const (
-	ISSUES     base.TplName = "repo/issue/list"
-	ISSUE_NEW  base.TplName = "repo/issue/new"
-	ISSUE_VIEW base.TplName = "repo/issue/view"
+	tplIssues    base.TplName = "repo/issue/list"
+	tplIssueNew  base.TplName = "repo/issue/new"
+	tplIssueView base.TplName = "repo/issue/view"
 
-	LABELS base.TplName = "repo/issue/labels"
+	tplLabels base.TplName = "repo/issue/labels"
 
-	MILESTONE      base.TplName = "repo/issue/milestones"
-	MILESTONE_NEW  base.TplName = "repo/issue/milestone_new"
-	MILESTONE_EDIT base.TplName = "repo/issue/milestone_edit"
+	tplMilestone     base.TplName = "repo/issue/milestones"
+	tplMilestoneNew  base.TplName = "repo/issue/milestone_new"
+	tplMilestoneEdit base.TplName = "repo/issue/milestone_edit"
 
-	ISSUE_TEMPLATE_KEY = "IssueTemplate"
+	issueTemplateKey = "IssueTemplate"
 )
 
 var (
+	// ErrFileTypeForbidden not allowed file type error
 	ErrFileTypeForbidden = errors.New("File type is not allowed")
-	ErrTooManyFiles      = errors.New("Maximum number of files to upload exceeded")
-
+	// ErrTooManyFiles upload too many files
+	ErrTooManyFiles = errors.New("Maximum number of files to upload exceeded")
+	// IssueTemplateCandidates issue templates
 	IssueTemplateCandidates = []string{
 		"ISSUE_TEMPLATE.md",
 		".gogs/ISSUE_TEMPLATE.md",
@@ -51,6 +53,7 @@ var (
 	}
 )
 
+// MustEnableIssues check if repository enable internal issues
 func MustEnableIssues(ctx *context.Context) {
 	if !ctx.Repo.Repository.EnableIssues {
 		ctx.Handle(404, "MustEnableIssues", nil)
@@ -63,6 +66,7 @@ func MustEnableIssues(ctx *context.Context) {
 	}
 }
 
+// MustAllowPulls check if repository enable pull requests
 func MustAllowPulls(ctx *context.Context) {
 	if !ctx.Repo.Repository.AllowsPulls() {
 		ctx.Handle(404, "MustAllowPulls", nil)
@@ -76,6 +80,7 @@ func MustAllowPulls(ctx *context.Context) {
 	}
 }
 
+// RetrieveLabels find all the labels of a repository
 func RetrieveLabels(ctx *context.Context) {
 	labels, err := models.GetLabelsByRepoID(ctx.Repo.Repository.ID)
 	if err != nil {
@@ -89,6 +94,7 @@ func RetrieveLabels(ctx *context.Context) {
 	ctx.Data["NumLabels"] = len(labels)
 }
 
+// Issues render issues page
 func Issues(ctx *context.Context) {
 	isPullList := ctx.Params(":type") == "pulls"
 	if isPullList {
@@ -244,7 +250,7 @@ func Issues(ctx *context.Context) {
 		ctx.Data["State"] = "open"
 	}
 
-	ctx.HTML(200, ISSUES)
+	ctx.HTML(200, tplIssues)
 }
 
 func renderAttachmentSettings(ctx *context.Context) {
@@ -255,6 +261,7 @@ func renderAttachmentSettings(ctx *context.Context) {
 	ctx.Data["AttachmentMaxFiles"] = setting.AttachmentMaxFiles
 }
 
+// RetrieveRepoMilestonesAndAssignees find all the milestones and assignees of a repository
 func RetrieveRepoMilestonesAndAssignees(ctx *context.Context, repo *models.Repository) {
 	var err error
 	ctx.Data["OpenMilestones"], err = models.GetMilestones(repo.ID, -1, false)
@@ -275,6 +282,7 @@ func RetrieveRepoMilestonesAndAssignees(ctx *context.Context, repo *models.Repos
 	}
 }
 
+// RetrieveRepoMetas find all the meta information of a repository
 func RetrieveRepoMetas(ctx *context.Context, repo *models.Repository) []*models.Label {
 	if !ctx.Repo.IsWriter() {
 		return nil
@@ -332,12 +340,13 @@ func setTemplateIfExists(ctx *context.Context, ctxDataKey string, possibleFiles
 	}
 }
 
+// NewIssue render createing issue page
 func NewIssue(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.issues.new")
 	ctx.Data["PageIsIssueList"] = true
 	ctx.Data["RequireHighlightJS"] = true
 	ctx.Data["RequireSimpleMDE"] = true
-	setTemplateIfExists(ctx, ISSUE_TEMPLATE_KEY, IssueTemplateCandidates)
+	setTemplateIfExists(ctx, issueTemplateKey, IssueTemplateCandidates)
 	renderAttachmentSettings(ctx)
 
 	RetrieveRepoMetas(ctx, ctx.Repo.Repository)
@@ -345,9 +354,10 @@ func NewIssue(ctx *context.Context) {
 		return
 	}
 
-	ctx.HTML(200, ISSUE_NEW)
+	ctx.HTML(200, tplIssueNew)
 }
 
+// ValidateRepoMetas check and returns repository's meta informations
 func ValidateRepoMetas(ctx *context.Context, form auth.CreateIssueForm) ([]int64, int64, int64) {
 	var (
 		repo = ctx.Repo.Repository
@@ -402,6 +412,7 @@ func ValidateRepoMetas(ctx *context.Context, form auth.CreateIssueForm) ([]int64
 	return labelIDs, milestoneID, assigneeID
 }
 
+// NewIssuePost response for creating new issue
 func NewIssuePost(ctx *context.Context, form auth.CreateIssueForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.issues.new")
 	ctx.Data["PageIsIssueList"] = true
@@ -424,7 +435,7 @@ func NewIssuePost(ctx *context.Context, form auth.CreateIssueForm) {
 	}
 
 	if ctx.HasError() {
-		ctx.HTML(200, ISSUE_NEW)
+		ctx.HTML(200, tplIssueNew)
 		return
 	}
 
@@ -446,6 +457,7 @@ func NewIssuePost(ctx *context.Context, form auth.CreateIssueForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/issues/" + com.ToStr(issue.Index))
 }
 
+// UploadIssueAttachment response for uploading issue's attachment
 func UploadIssueAttachment(ctx *context.Context) {
 	if !setting.AttachmentEnabled {
 		ctx.Error(404, "attachment is not enabled")
@@ -493,6 +505,7 @@ func UploadIssueAttachment(ctx *context.Context) {
 	})
 }
 
+// ViewIssue render issue view page
 func ViewIssue(ctx *context.Context) {
 	ctx.Data["RequireHighlightJS"] = true
 	ctx.Data["RequireDropzone"] = true
@@ -639,7 +652,7 @@ func ViewIssue(ctx *context.Context) {
 	ctx.Data["Issue"] = issue
 	ctx.Data["IsIssueOwner"] = ctx.Repo.IsWriter() || (ctx.IsSigned && issue.IsPoster(ctx.User.ID))
 	ctx.Data["SignInLink"] = setting.AppSubUrl + "/user/login?redirect_to=" + ctx.Data["Link"].(string)
-	ctx.HTML(200, ISSUE_VIEW)
+	ctx.HTML(200, tplIssueView)
 }
 
 func getActionIssue(ctx *context.Context) *models.Issue {
@@ -655,6 +668,7 @@ func getActionIssue(ctx *context.Context) *models.Issue {
 	return issue
 }
 
+// UpdateIssueTitle change issue's title
 func UpdateIssueTitle(ctx *context.Context) {
 	issue := getActionIssue(ctx)
 	if ctx.Written() {
@@ -682,6 +696,7 @@ func UpdateIssueTitle(ctx *context.Context) {
 	})
 }
 
+// UpdateIssueContent change issue's content
 func UpdateIssueContent(ctx *context.Context) {
 	issue := getActionIssue(ctx)
 	if ctx.Written() {
@@ -704,6 +719,7 @@ func UpdateIssueContent(ctx *context.Context) {
 	})
 }
 
+// UpdateIssueLabel change issue's labels
 func UpdateIssueLabel(ctx *context.Context) {
 	issue := getActionIssue(ctx)
 	if ctx.Written() {
@@ -745,6 +761,7 @@ func UpdateIssueLabel(ctx *context.Context) {
 	})
 }
 
+// UpdateIssueMilestone change issue's milestone
 func UpdateIssueMilestone(ctx *context.Context) {
 	issue := getActionIssue(ctx)
 	if ctx.Written() {
@@ -772,6 +789,7 @@ func UpdateIssueMilestone(ctx *context.Context) {
 	})
 }
 
+// UpdateIssueAssignee change issue's assignee
 func UpdateIssueAssignee(ctx *context.Context) {
 	issue := getActionIssue(ctx)
 	if ctx.Written() {
@@ -796,6 +814,7 @@ func UpdateIssueAssignee(ctx *context.Context) {
 	})
 }
 
+// NewComment create a comment for issue
 func NewComment(ctx *context.Context, form auth.CreateCommentForm) {
 	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
 	if err != nil {
@@ -882,6 +901,7 @@ func NewComment(ctx *context.Context, form auth.CreateCommentForm) {
 	log.Trace("Comment created: %d/%d/%d", ctx.Repo.Repository.ID, issue.ID, comment.ID)
 }
 
+// UpdateCommentContent change comment of issue's content
 func UpdateCommentContent(ctx *context.Context) {
 	comment, err := models.GetCommentByID(ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -914,6 +934,7 @@ func UpdateCommentContent(ctx *context.Context) {
 	})
 }
 
+// DeleteComment delete comment of issue
 func DeleteComment(ctx *context.Context) {
 	comment, err := models.GetCommentByID(ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -937,15 +958,17 @@ func DeleteComment(ctx *context.Context) {
 	ctx.Status(200)
 }
 
+// Labels render issue's labels page
 func Labels(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.labels")
 	ctx.Data["PageIsIssueList"] = true
 	ctx.Data["PageIsLabels"] = true
 	ctx.Data["RequireMinicolors"] = true
 	ctx.Data["LabelTemplates"] = models.LabelTemplates
-	ctx.HTML(200, LABELS)
+	ctx.HTML(200, tplLabels)
 }
 
+// InitializeLabels init labels for a repository
 func InitializeLabels(ctx *context.Context, form auth.InitializeLabelsForm) {
 	if ctx.HasError() {
 		ctx.Redirect(ctx.Repo.RepoLink + "/labels")
@@ -973,6 +996,7 @@ func InitializeLabels(ctx *context.Context, form auth.InitializeLabelsForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/labels")
 }
 
+// NewLabel create new label for repository
 func NewLabel(ctx *context.Context, form auth.CreateLabelForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.labels")
 	ctx.Data["PageIsLabels"] = true
@@ -995,6 +1019,7 @@ func NewLabel(ctx *context.Context, form auth.CreateLabelForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/labels")
 }
 
+// UpdateLabel update a label's name and color
 func UpdateLabel(ctx *context.Context, form auth.CreateLabelForm) {
 	l, err := models.GetLabelByID(form.ID)
 	if err != nil {
@@ -1016,6 +1041,7 @@ func UpdateLabel(ctx *context.Context, form auth.CreateLabelForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/labels")
 }
 
+// DeleteLabel delete a label
 func DeleteLabel(ctx *context.Context) {
 	if err := models.DeleteLabel(ctx.Repo.Repository.ID, ctx.QueryInt64("id")); err != nil {
 		ctx.Flash.Error("DeleteLabel: " + err.Error())
@@ -1029,6 +1055,7 @@ func DeleteLabel(ctx *context.Context) {
 	return
 }
 
+// Milestones render milestones page
 func Milestones(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.milestones")
 	ctx.Data["PageIsIssueList"] = true
@@ -1069,18 +1096,20 @@ func Milestones(ctx *context.Context) {
 	}
 
 	ctx.Data["IsShowClosed"] = isShowClosed
-	ctx.HTML(200, MILESTONE)
+	ctx.HTML(200, tplMilestone)
 }
 
+// NewMilestone render creating milestone page
 func NewMilestone(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.milestones.new")
 	ctx.Data["PageIsIssueList"] = true
 	ctx.Data["PageIsMilestones"] = true
 	ctx.Data["RequireDatetimepicker"] = true
 	ctx.Data["DateLang"] = setting.DateLang(ctx.Locale.Language())
-	ctx.HTML(200, MILESTONE_NEW)
+	ctx.HTML(200, tplMilestoneNew)
 }
 
+// NewMilestonePost response for creating milestone
 func NewMilestonePost(ctx *context.Context, form auth.CreateMilestoneForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.milestones.new")
 	ctx.Data["PageIsIssueList"] = true
@@ -1089,7 +1118,7 @@ func NewMilestonePost(ctx *context.Context, form auth.CreateMilestoneForm) {
 	ctx.Data["DateLang"] = setting.DateLang(ctx.Locale.Language())
 
 	if ctx.HasError() {
-		ctx.HTML(200, MILESTONE_NEW)
+		ctx.HTML(200, tplMilestoneNew)
 		return
 	}
 
@@ -1099,7 +1128,7 @@ func NewMilestonePost(ctx *context.Context, form auth.CreateMilestoneForm) {
 	deadline, err := time.ParseInLocation("2006-01-02", form.Deadline, time.Local)
 	if err != nil {
 		ctx.Data["Err_Deadline"] = true
-		ctx.RenderWithErr(ctx.Tr("repo.milestones.invalid_due_date_format"), MILESTONE_NEW, &form)
+		ctx.RenderWithErr(ctx.Tr("repo.milestones.invalid_due_date_format"), tplMilestoneNew, &form)
 		return
 	}
 
@@ -1117,6 +1146,7 @@ func NewMilestonePost(ctx *context.Context, form auth.CreateMilestoneForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/milestones")
 }
 
+// EditMilestone render edting milestone page
 func EditMilestone(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.milestones.edit")
 	ctx.Data["PageIsMilestones"] = true
@@ -1138,9 +1168,10 @@ func EditMilestone(ctx *context.Context) {
 	if len(m.DeadlineString) > 0 {
 		ctx.Data["deadline"] = m.DeadlineString
 	}
-	ctx.HTML(200, MILESTONE_NEW)
+	ctx.HTML(200, tplMilestoneNew)
 }
 
+// EditMilestonePost response for edting milestone
 func EditMilestonePost(ctx *context.Context, form auth.CreateMilestoneForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.milestones.edit")
 	ctx.Data["PageIsMilestones"] = true
@@ -1149,7 +1180,7 @@ func EditMilestonePost(ctx *context.Context, form auth.CreateMilestoneForm) {
 	ctx.Data["DateLang"] = setting.DateLang(ctx.Locale.Language())
 
 	if ctx.HasError() {
-		ctx.HTML(200, MILESTONE_NEW)
+		ctx.HTML(200, tplMilestoneNew)
 		return
 	}
 
@@ -1159,7 +1190,7 @@ func EditMilestonePost(ctx *context.Context, form auth.CreateMilestoneForm) {
 	deadline, err := time.ParseInLocation("2006-01-02", form.Deadline, time.Local)
 	if err != nil {
 		ctx.Data["Err_Deadline"] = true
-		ctx.RenderWithErr(ctx.Tr("repo.milestones.invalid_due_date_format"), MILESTONE_NEW, &form)
+		ctx.RenderWithErr(ctx.Tr("repo.milestones.invalid_due_date_format"), tplMilestoneNew, &form)
 		return
 	}
 
@@ -1184,6 +1215,7 @@ func EditMilestonePost(ctx *context.Context, form auth.CreateMilestoneForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/milestones")
 }
 
+// ChangeMilestonStatus response for change a milestone's status
 func ChangeMilestonStatus(ctx *context.Context) {
 	m, err := models.GetMilestoneByRepoID(ctx.Repo.Repository.ID, ctx.ParamsInt64(":id"))
 	if err != nil {
@@ -1218,6 +1250,7 @@ func ChangeMilestonStatus(ctx *context.Context) {
 	}
 }
 
+// DeleteMilestone delete a milestone
 func DeleteMilestone(ctx *context.Context) {
 	if err := models.DeleteMilestoneByRepoID(ctx.Repo.Repository.ID, ctx.QueryInt64("id")); err != nil {
 		ctx.Flash.Error("DeleteMilestoneByRepoID: " + err.Error())
diff --git a/routers/repo/pull.go b/routers/repo/pull.go
index 6e99dfaed..c8969b98f 100644
--- a/routers/repo/pull.go
+++ b/routers/repo/pull.go
@@ -21,16 +21,16 @@ import (
 )
 
 const (
-	FORK         base.TplName = "repo/pulls/fork"
-	COMPARE_PULL base.TplName = "repo/pulls/compare"
-	PULL_COMMITS base.TplName = "repo/pulls/commits"
-	PULL_FILES   base.TplName = "repo/pulls/files"
+	tplFork        base.TplName = "repo/pulls/fork"
+	tplComparePull base.TplName = "repo/pulls/compare"
+	tplPullCommits base.TplName = "repo/pulls/commits"
+	tplPullFiles   base.TplName = "repo/pulls/files"
 
-	PULL_REQUEST_TEMPLATE_KEY = "PullRequestTemplate"
+	pullRequestTemplateKey = "PullRequestTemplate"
 )
 
 var (
-	PullRequestTemplateCandidates = []string{
+	pullRequestTemplateCandidates = []string{
 		"PULL_REQUEST.md",
 		".gogs/PULL_REQUEST.md",
 		".github/PULL_REQUEST.md",
@@ -72,6 +72,7 @@ func getForkRepository(ctx *context.Context) *models.Repository {
 	return forkRepo
 }
 
+// Fork render repository fork page
 func Fork(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("new_fork")
 
@@ -81,9 +82,10 @@ func Fork(ctx *context.Context) {
 	}
 
 	ctx.Data["ContextUser"] = ctx.User
-	ctx.HTML(200, FORK)
+	ctx.HTML(200, tplFork)
 }
 
+// ForkPost response for forking a repository
 func ForkPost(ctx *context.Context, form auth.CreateRepoForm) {
 	ctx.Data["Title"] = ctx.Tr("new_fork")
 
@@ -99,7 +101,7 @@ func ForkPost(ctx *context.Context, form auth.CreateRepoForm) {
 	ctx.Data["ContextUser"] = ctxUser
 
 	if ctx.HasError() {
-		ctx.HTML(200, FORK)
+		ctx.HTML(200, tplFork)
 		return
 	}
 
@@ -122,11 +124,11 @@ func ForkPost(ctx *context.Context, form auth.CreateRepoForm) {
 		ctx.Data["Err_RepoName"] = true
 		switch {
 		case models.IsErrRepoAlreadyExist(err):
-			ctx.RenderWithErr(ctx.Tr("repo.settings.new_owner_has_same_repo"), FORK, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.settings.new_owner_has_same_repo"), tplFork, &form)
 		case models.IsErrNameReserved(err):
-			ctx.RenderWithErr(ctx.Tr("repo.form.name_reserved", err.(models.ErrNameReserved).Name), FORK, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.form.name_reserved", err.(models.ErrNameReserved).Name), tplFork, &form)
 		case models.IsErrNamePatternNotAllowed(err):
-			ctx.RenderWithErr(ctx.Tr("repo.form.name_pattern_not_allowed", err.(models.ErrNamePatternNotAllowed).Pattern), FORK, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.form.name_pattern_not_allowed", err.(models.ErrNamePatternNotAllowed).Pattern), tplFork, &form)
 		default:
 			ctx.Handle(500, "ForkPost", err)
 		}
@@ -171,6 +173,7 @@ func checkPullInfo(ctx *context.Context) *models.Issue {
 	return issue
 }
 
+// PrepareMergedViewPullInfo show meta information for a merged pull request view page
 func PrepareMergedViewPullInfo(ctx *context.Context, issue *models.Issue) {
 	pull := issue.PullRequest
 	ctx.Data["HasMerged"] = true
@@ -190,6 +193,7 @@ func PrepareMergedViewPullInfo(ctx *context.Context, issue *models.Issue) {
 	}
 }
 
+// PrepareViewPullInfo show meta information for a pull request preview page
 func PrepareViewPullInfo(ctx *context.Context, issue *models.Issue) *git.PullRequestInfo {
 	repo := ctx.Repo.Repository
 	pull := issue.PullRequest
@@ -242,6 +246,7 @@ func PrepareViewPullInfo(ctx *context.Context, issue *models.Issue) *git.PullReq
 	return prInfo
 }
 
+// ViewPullCommits show commits for a pull request
 func ViewPullCommits(ctx *context.Context) {
 	ctx.Data["PageIsPullList"] = true
 	ctx.Data["PageIsPullCommits"] = true
@@ -291,9 +296,10 @@ func ViewPullCommits(ctx *context.Context) {
 	ctx.Data["Commits"] = commits
 	ctx.Data["CommitCount"] = commits.Len()
 
-	ctx.HTML(200, PULL_COMMITS)
+	ctx.HTML(200, tplPullCommits)
 }
 
+// ViewPullFiles render pull request changed files list page
 func ViewPullFiles(ctx *context.Context) {
 	ctx.Data["PageIsPullList"] = true
 	ctx.Data["PageIsPullFiles"] = true
@@ -375,9 +381,10 @@ func ViewPullFiles(ctx *context.Context) {
 	ctx.Data["RawPath"] = setting.AppSubUrl + "/" + path.Join(headTarget, "raw", endCommitID)
 	ctx.Data["RequireHighlightJS"] = true
 
-	ctx.HTML(200, PULL_FILES)
+	ctx.HTML(200, tplPullFiles)
 }
 
+// MergePullRequest response for merging pull request
 func MergePullRequest(ctx *context.Context) {
 	issue := checkPullInfo(ctx)
 	if ctx.Written() {
@@ -414,6 +421,7 @@ func MergePullRequest(ctx *context.Context) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
 }
 
+// ParseCompareInfo parse compare info between two commit for preparing pull request
 func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *git.Repository, *git.PullRequestInfo, string, string) {
 	baseRepo := ctx.Repo.Repository
 
@@ -520,6 +528,7 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
 	return headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch
 }
 
+// PrepareCompareDiff render pull request preview diff page
 func PrepareCompareDiff(
 	ctx *context.Context,
 	headUser *models.User,
@@ -578,12 +587,13 @@ func PrepareCompareDiff(
 	return false
 }
 
+// CompareAndPullRequest render pull request preview page
 func CompareAndPullRequest(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.pulls.compare_changes")
 	ctx.Data["PageIsComparePull"] = true
 	ctx.Data["IsDiffCompare"] = true
 	ctx.Data["RequireHighlightJS"] = true
-	setTemplateIfExists(ctx, PULL_REQUEST_TEMPLATE_KEY, PullRequestTemplateCandidates)
+	setTemplateIfExists(ctx, pullRequestTemplateKey, pullRequestTemplateCandidates)
 	renderAttachmentSettings(ctx)
 
 	headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch := ParseCompareInfo(ctx)
@@ -600,7 +610,7 @@ func CompareAndPullRequest(ctx *context.Context) {
 	} else {
 		ctx.Data["HasPullRequest"] = true
 		ctx.Data["PullRequest"] = pr
-		ctx.HTML(200, COMPARE_PULL)
+		ctx.HTML(200, tplComparePull)
 		return
 	}
 
@@ -617,9 +627,10 @@ func CompareAndPullRequest(ctx *context.Context) {
 		}
 	}
 
-	ctx.HTML(200, COMPARE_PULL)
+	ctx.HTML(200, tplComparePull)
 }
 
+// CompareAndPullRequestPost response for creating pull request
 func CompareAndPullRequestPost(ctx *context.Context, form auth.CreateIssueForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.pulls.compare_changes")
 	ctx.Data["PageIsComparePull"] = true
@@ -656,7 +667,7 @@ func CompareAndPullRequestPost(ctx *context.Context, form auth.CreateIssueForm)
 			return
 		}
 
-		ctx.HTML(200, COMPARE_PULL)
+		ctx.HTML(200, tplComparePull)
 		return
 	}
 
@@ -702,6 +713,7 @@ func CompareAndPullRequestPost(ctx *context.Context, form auth.CreateIssueForm)
 	ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pullIssue.Index))
 }
 
+// TriggerTask response for a trigger task request
 func TriggerTask(ctx *context.Context) {
 	pusherID := ctx.QueryInt64("pusher")
 	branch := ctx.Query("branch")
diff --git a/routers/repo/release.go b/routers/repo/release.go
index 187952c2e..7616d9e79 100644
--- a/routers/repo/release.go
+++ b/routers/repo/release.go
@@ -17,8 +17,8 @@ import (
 )
 
 const (
-	RELEASES    base.TplName = "repo/release/list"
-	RELEASE_NEW base.TplName = "repo/release/new"
+	tplReleases   base.TplName = "repo/release/list"
+	tplReleaseNew base.TplName = "repo/release/new"
 )
 
 // calReleaseNumCommitsBehind calculates given release has how many commits behind release target.
@@ -49,6 +49,7 @@ func calReleaseNumCommitsBehind(repoCtx *context.Repository, release *models.Rel
 	return nil
 }
 
+// Releases render releases list page
 func Releases(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.release.releases")
 	ctx.Data["PageIsReleaseList"] = true
@@ -150,27 +151,29 @@ func Releases(ctx *context.Context) {
 	ctx.Data["Page"] = pager
 	models.SortReleases(tags)
 	ctx.Data["Releases"] = tags
-	ctx.HTML(200, RELEASES)
+	ctx.HTML(200, tplReleases)
 }
 
+// NewRelease render creating release page
 func NewRelease(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.release.new_release")
 	ctx.Data["PageIsReleaseList"] = true
 	ctx.Data["tag_target"] = ctx.Repo.Repository.DefaultBranch
-	ctx.HTML(200, RELEASE_NEW)
+	ctx.HTML(200, tplReleaseNew)
 }
 
+// NewReleasePost response for creating a release
 func NewReleasePost(ctx *context.Context, form auth.NewReleaseForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.release.new_release")
 	ctx.Data["PageIsReleaseList"] = true
 
 	if ctx.HasError() {
-		ctx.HTML(200, RELEASE_NEW)
+		ctx.HTML(200, tplReleaseNew)
 		return
 	}
 
 	if !ctx.Repo.GitRepo.IsBranchExist(form.Target) {
-		ctx.RenderWithErr(ctx.Tr("form.target_branch_not_exist"), RELEASE_NEW, &form)
+		ctx.RenderWithErr(ctx.Tr("form.target_branch_not_exist"), tplReleaseNew, &form)
 		return
 	}
 
@@ -213,9 +216,9 @@ func NewReleasePost(ctx *context.Context, form auth.NewReleaseForm) {
 		ctx.Data["Err_TagName"] = true
 		switch {
 		case models.IsErrReleaseAlreadyExist(err):
-			ctx.RenderWithErr(ctx.Tr("repo.release.tag_name_already_exist"), RELEASE_NEW, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.release.tag_name_already_exist"), tplReleaseNew, &form)
 		case models.IsErrInvalidTagName(err):
-			ctx.RenderWithErr(ctx.Tr("repo.release.tag_name_invalid"), RELEASE_NEW, &form)
+			ctx.RenderWithErr(ctx.Tr("repo.release.tag_name_invalid"), tplReleaseNew, &form)
 		default:
 			ctx.Handle(500, "CreateRelease", err)
 		}
@@ -226,6 +229,7 @@ func NewReleasePost(ctx *context.Context, form auth.NewReleaseForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/releases")
 }
 
+// EditRelease render release edit page
 func EditRelease(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.release.edit_release")
 	ctx.Data["PageIsReleaseList"] = true
@@ -249,9 +253,10 @@ func EditRelease(ctx *context.Context) {
 	ctx.Data["prerelease"] = rel.IsPrerelease
 	ctx.Data["IsDraft"] = rel.IsDraft
 
-	ctx.HTML(200, RELEASE_NEW)
+	ctx.HTML(200, tplReleaseNew)
 }
 
+// EditReleasePost response for edit release
 func EditReleasePost(ctx *context.Context, form auth.EditReleaseForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.release.edit_release")
 	ctx.Data["PageIsReleaseList"] = true
@@ -274,7 +279,7 @@ func EditReleasePost(ctx *context.Context, form auth.EditReleaseForm) {
 	ctx.Data["prerelease"] = rel.IsPrerelease
 
 	if ctx.HasError() {
-		ctx.HTML(200, RELEASE_NEW)
+		ctx.HTML(200, tplReleaseNew)
 		return
 	}
 
@@ -289,6 +294,7 @@ func EditReleasePost(ctx *context.Context, form auth.EditReleaseForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/releases")
 }
 
+// DeleteRelease delete a release
 func DeleteRelease(ctx *context.Context) {
 	if err := models.DeleteReleaseByID(ctx.QueryInt64("id")); err != nil {
 		ctx.Flash.Error("DeleteReleaseByID: " + err.Error())
diff --git a/routers/repo/repo.go b/routers/repo/repo.go
index c3e9faf49..fdf4cd559 100644
--- a/routers/repo/repo.go
+++ b/routers/repo/repo.go
@@ -23,10 +23,11 @@ import (
 )
 
 const (
-	CREATE  base.TplName = "repo/create"
-	MIGRATE base.TplName = "repo/migrate"
+	tplCreate  base.TplName = "repo/create"
+	tplMigrate base.TplName = "repo/migrate"
 )
 
+// MustBeNotBare render when a repo is a bare git dir
 func MustBeNotBare(ctx *context.Context) {
 	if ctx.Repo.Repository.IsBare {
 		ctx.Handle(404, "MustBeNotBare", nil)
@@ -64,6 +65,7 @@ func checkContextUser(ctx *context.Context, uid int64) *models.User {
 	return org
 }
 
+// Create render creating repository page
 func Create(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("new_repo")
 
@@ -81,7 +83,7 @@ func Create(ctx *context.Context) {
 	}
 	ctx.Data["ContextUser"] = ctxUser
 
-	ctx.HTML(200, CREATE)
+	ctx.HTML(200, tplCreate)
 }
 
 func handleCreateError(ctx *context.Context, owner *models.User, err error, name string, tpl base.TplName, form interface{}) {
@@ -102,6 +104,7 @@ func handleCreateError(ctx *context.Context, owner *models.User, err error, name
 	}
 }
 
+// CreatePost response for creating repository
 func CreatePost(ctx *context.Context, form auth.CreateRepoForm) {
 	ctx.Data["Title"] = ctx.Tr("new_repo")
 
@@ -116,7 +119,7 @@ func CreatePost(ctx *context.Context, form auth.CreateRepoForm) {
 	ctx.Data["ContextUser"] = ctxUser
 
 	if ctx.HasError() {
-		ctx.HTML(200, CREATE)
+		ctx.HTML(200, tplCreate)
 		return
 	}
 
@@ -141,9 +144,10 @@ func CreatePost(ctx *context.Context, form auth.CreateRepoForm) {
 		}
 	}
 
-	handleCreateError(ctx, ctxUser, err, "CreatePost", CREATE, &form)
+	handleCreateError(ctx, ctxUser, err, "CreatePost", tplCreate, &form)
 }
 
+// Migrate render migration of repository page
 func Migrate(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("new_migrate")
 	ctx.Data["private"] = ctx.User.LastRepoVisibility
@@ -156,9 +160,10 @@ func Migrate(ctx *context.Context) {
 	}
 	ctx.Data["ContextUser"] = ctxUser
 
-	ctx.HTML(200, MIGRATE)
+	ctx.HTML(200, tplMigrate)
 }
 
+// MigratePost response for migrating from external git repository
 func MigratePost(ctx *context.Context, form auth.MigrateRepoForm) {
 	ctx.Data["Title"] = ctx.Tr("new_migrate")
 
@@ -169,7 +174,7 @@ func MigratePost(ctx *context.Context, form auth.MigrateRepoForm) {
 	ctx.Data["ContextUser"] = ctxUser
 
 	if ctx.HasError() {
-		ctx.HTML(200, MIGRATE)
+		ctx.HTML(200, tplMigrate)
 		return
 	}
 
@@ -180,11 +185,11 @@ func MigratePost(ctx *context.Context, form auth.MigrateRepoForm) {
 			addrErr := err.(models.ErrInvalidCloneAddr)
 			switch {
 			case addrErr.IsURLError:
-				ctx.RenderWithErr(ctx.Tr("form.url_error"), MIGRATE, &form)
+				ctx.RenderWithErr(ctx.Tr("form.url_error"), tplMigrate, &form)
 			case addrErr.IsPermissionDenied:
-				ctx.RenderWithErr(ctx.Tr("repo.migrate.permission_denied"), MIGRATE, &form)
+				ctx.RenderWithErr(ctx.Tr("repo.migrate.permission_denied"), tplMigrate, &form)
 			case addrErr.IsInvalidPath:
-				ctx.RenderWithErr(ctx.Tr("repo.migrate.invalid_local_path"), MIGRATE, &form)
+				ctx.RenderWithErr(ctx.Tr("repo.migrate.invalid_local_path"), tplMigrate, &form)
 			default:
 				ctx.Handle(500, "Unknown error", err)
 			}
@@ -216,17 +221,18 @@ func MigratePost(ctx *context.Context, form auth.MigrateRepoForm) {
 	if strings.Contains(err.Error(), "Authentication failed") ||
 		strings.Contains(err.Error(), "could not read Username") {
 		ctx.Data["Err_Auth"] = true
-		ctx.RenderWithErr(ctx.Tr("form.auth_failed", models.HandleCloneUserCredentials(err.Error(), true)), MIGRATE, &form)
+		ctx.RenderWithErr(ctx.Tr("form.auth_failed", models.HandleCloneUserCredentials(err.Error(), true)), tplMigrate, &form)
 		return
 	} else if strings.Contains(err.Error(), "fatal:") {
 		ctx.Data["Err_CloneAddr"] = true
-		ctx.RenderWithErr(ctx.Tr("repo.migrate.failed", models.HandleCloneUserCredentials(err.Error(), true)), MIGRATE, &form)
+		ctx.RenderWithErr(ctx.Tr("repo.migrate.failed", models.HandleCloneUserCredentials(err.Error(), true)), tplMigrate, &form)
 		return
 	}
 
-	handleCreateError(ctx, ctxUser, err, "MigratePost", MIGRATE, &form)
+	handleCreateError(ctx, ctxUser, err, "MigratePost", tplMigrate, &form)
 }
 
+// Action response for actions to a repository
 func Action(ctx *context.Context) {
 	var err error
 	switch ctx.Params(":action") {
@@ -261,6 +267,7 @@ func Action(ctx *context.Context) {
 	ctx.Redirect(redirectTo)
 }
 
+// Download download an archive of a repository
 func Download(ctx *context.Context) {
 	var (
 		uri         = ctx.Params("*")
diff --git a/routers/repo/setting.go b/routers/repo/setting.go
index 736a7fdf9..2b8c5a231 100644
--- a/routers/repo/setting.go
+++ b/routers/repo/setting.go
@@ -26,12 +26,14 @@ const (
 	tplDeployKeys      base.TplName = "repo/settings/deploy_keys"
 )
 
+// Settings show a repository's settings page
 func Settings(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings")
 	ctx.Data["PageIsSettingsOptions"] = true
 	ctx.HTML(200, tplSettingsOptions)
 }
 
+// SettingsPost response for changes of a repository
 func SettingsPost(ctx *context.Context, form auth.RepoSettingForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings")
 	ctx.Data["PageIsSettingsOptions"] = true
@@ -293,6 +295,7 @@ func SettingsPost(ctx *context.Context, form auth.RepoSettingForm) {
 	}
 }
 
+// Collaboration render a repository's collaboration page
 func Collaboration(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings")
 	ctx.Data["PageIsSettingsCollaboration"] = true
@@ -307,6 +310,7 @@ func Collaboration(ctx *context.Context) {
 	ctx.HTML(200, tplCollaboration)
 }
 
+// CollaborationPost response for actions for a collaboration of a repository
 func CollaborationPost(ctx *context.Context) {
 	name := strings.ToLower(ctx.Query("collaborator"))
 	if len(name) == 0 || ctx.Repo.Owner.LowerName == name {
@@ -352,6 +356,7 @@ func CollaborationPost(ctx *context.Context) {
 	ctx.Redirect(setting.AppSubUrl + ctx.Req.URL.Path)
 }
 
+// ChangeCollaborationAccessMode response for changing access of a collaboration
 func ChangeCollaborationAccessMode(ctx *context.Context) {
 	if err := ctx.Repo.Repository.ChangeCollaborationAccessMode(
 		ctx.QueryInt64("uid"),
@@ -360,6 +365,7 @@ func ChangeCollaborationAccessMode(ctx *context.Context) {
 	}
 }
 
+// DeleteCollaboration delete a collaboration for a repository
 func DeleteCollaboration(ctx *context.Context) {
 	if err := ctx.Repo.Repository.DeleteCollaboration(ctx.QueryInt64("id")); err != nil {
 		ctx.Flash.Error("DeleteCollaboration: " + err.Error())
@@ -396,6 +402,7 @@ func parseOwnerAndRepo(ctx *context.Context) (*models.User, *models.Repository)
 	return owner, repo
 }
 
+// GitHooks hooks of a repository
 func GitHooks(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.githooks")
 	ctx.Data["PageIsSettingsGitHooks"] = true
@@ -410,6 +417,7 @@ func GitHooks(ctx *context.Context) {
 	ctx.HTML(200, tplGithooks)
 }
 
+// GitHooksEdit render for editing a hook of repository page
 func GitHooksEdit(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.githooks")
 	ctx.Data["PageIsSettingsGitHooks"] = true
@@ -428,6 +436,7 @@ func GitHooksEdit(ctx *context.Context) {
 	ctx.HTML(200, tplGithookEdit)
 }
 
+// GitHooksEditPost response for editing a git hook of a repository
 func GitHooksEditPost(ctx *context.Context) {
 	name := ctx.Params(":name")
 	hook, err := ctx.Repo.GitRepo.GetHook(name)
@@ -447,6 +456,7 @@ func GitHooksEditPost(ctx *context.Context) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/settings/hooks/git")
 }
 
+// DeployKeys render the deploy keys list of a repository page
 func DeployKeys(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.deploy_keys")
 	ctx.Data["PageIsSettingsKeys"] = true
@@ -461,6 +471,7 @@ func DeployKeys(ctx *context.Context) {
 	ctx.HTML(200, tplDeployKeys)
 }
 
+// DeployKeysPost response for adding a deploy key of a repository
 func DeployKeysPost(ctx *context.Context, form auth.AddSSHKeyForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.deploy_keys")
 	ctx.Data["PageIsSettingsKeys"] = true
@@ -511,6 +522,7 @@ func DeployKeysPost(ctx *context.Context, form auth.AddSSHKeyForm) {
 	ctx.Redirect(ctx.Repo.RepoLink + "/settings/keys")
 }
 
+// DeleteDeployKey response for deleting a deploy key
 func DeleteDeployKey(ctx *context.Context) {
 	if err := models.DeleteDeployKey(ctx.User, ctx.QueryInt64("id")); err != nil {
 		ctx.Flash.Error("DeleteDeployKey: " + err.Error())
diff --git a/routers/repo/webhook.go b/routers/repo/webhook.go
index 3f292397b..33ad834c9 100644
--- a/routers/repo/webhook.go
+++ b/routers/repo/webhook.go
@@ -28,6 +28,7 @@ const (
 	tplOrgHookNew base.TplName = "org/settings/hook_new"
 )
 
+// Webhooks render web hooks list page
 func Webhooks(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.hooks")
 	ctx.Data["PageIsSettingsHooks"] = true
@@ -44,7 +45,7 @@ func Webhooks(ctx *context.Context) {
 	ctx.HTML(200, tplHooks)
 }
 
-type OrgRepoCtx struct {
+type orgRepoCtx struct {
 	OrgID       int64
 	RepoID      int64
 	Link        string
@@ -52,9 +53,9 @@ type OrgRepoCtx struct {
 }
 
 // getOrgRepoCtx determines whether this is a repo context or organization context.
-func getOrgRepoCtx(ctx *context.Context) (*OrgRepoCtx, error) {
+func getOrgRepoCtx(ctx *context.Context) (*orgRepoCtx, error) {
 	if len(ctx.Repo.RepoLink) > 0 {
-		return &OrgRepoCtx{
+		return &orgRepoCtx{
 			RepoID:      ctx.Repo.Repository.ID,
 			Link:        ctx.Repo.RepoLink,
 			NewTemplate: tplHookNew,
@@ -62,7 +63,7 @@ func getOrgRepoCtx(ctx *context.Context) (*OrgRepoCtx, error) {
 	}
 
 	if len(ctx.Org.OrgLink) > 0 {
-		return &OrgRepoCtx{
+		return &orgRepoCtx{
 			OrgID:       ctx.Org.Organization.ID,
 			Link:        ctx.Org.OrgLink,
 			NewTemplate: tplOrgHookNew,
@@ -81,6 +82,7 @@ func checkHookType(ctx *context.Context) string {
 	return hookType
 }
 
+// WebhooksNew render creating webhook page
 func WebhooksNew(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.add_webhook")
 	ctx.Data["PageIsSettingsHooks"] = true
@@ -102,6 +104,7 @@ func WebhooksNew(ctx *context.Context) {
 	ctx.HTML(200, orCtx.NewTemplate)
 }
 
+// ParseHookEvent convert web form content to models.HookEvent
 func ParseHookEvent(form auth.WebhookForm) *models.HookEvent {
 	return &models.HookEvent{
 		PushOnly:       form.PushOnly(),
@@ -115,6 +118,7 @@ func ParseHookEvent(form auth.WebhookForm) *models.HookEvent {
 	}
 }
 
+// WebHooksNewPost response for creating webhook
 func WebHooksNewPost(ctx *context.Context, form auth.NewWebhookForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.add_webhook")
 	ctx.Data["PageIsSettingsHooks"] = true
@@ -161,6 +165,7 @@ func WebHooksNewPost(ctx *context.Context, form auth.NewWebhookForm) {
 	ctx.Redirect(orCtx.Link + "/settings/hooks")
 }
 
+// SlackHooksNewPost response for creating slack hook
 func SlackHooksNewPost(ctx *context.Context, form auth.NewSlackHookForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings")
 	ctx.Data["PageIsSettingsHooks"] = true
@@ -211,7 +216,7 @@ func SlackHooksNewPost(ctx *context.Context, form auth.NewSlackHookForm) {
 	ctx.Redirect(orCtx.Link + "/settings/hooks")
 }
 
-func checkWebhook(ctx *context.Context) (*OrgRepoCtx, *models.Webhook) {
+func checkWebhook(ctx *context.Context) (*orgRepoCtx, *models.Webhook) {
 	ctx.Data["RequireHighlightJS"] = true
 
 	orCtx, err := getOrgRepoCtx(ctx)
@@ -251,6 +256,7 @@ func checkWebhook(ctx *context.Context) (*OrgRepoCtx, *models.Webhook) {
 	return orCtx, w
 }
 
+// WebHooksEdit render editing web hook page
 func WebHooksEdit(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.update_webhook")
 	ctx.Data["PageIsSettingsHooks"] = true
@@ -265,6 +271,7 @@ func WebHooksEdit(ctx *context.Context) {
 	ctx.HTML(200, orCtx.NewTemplate)
 }
 
+// WebHooksEditPost response for editing web hook
 func WebHooksEditPost(ctx *context.Context, form auth.NewWebhookForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings.update_webhook")
 	ctx.Data["PageIsSettingsHooks"] = true
@@ -303,6 +310,7 @@ func WebHooksEditPost(ctx *context.Context, form auth.NewWebhookForm) {
 	ctx.Redirect(fmt.Sprintf("%s/settings/hooks/%d", orCtx.Link, w.ID))
 }
 
+// SlackHooksEditPost reponse for editing slack hook
 func SlackHooksEditPost(ctx *context.Context, form auth.NewSlackHookForm) {
 	ctx.Data["Title"] = ctx.Tr("repo.settings")
 	ctx.Data["PageIsSettingsHooks"] = true
@@ -346,6 +354,7 @@ func SlackHooksEditPost(ctx *context.Context, form auth.NewSlackHookForm) {
 	ctx.Redirect(fmt.Sprintf("%s/settings/hooks/%d", orCtx.Link, w.ID))
 }
 
+// TestWebhook test if web hook is work fine
 func TestWebhook(ctx *context.Context) {
 	// Grab latest commit or fake one if it's empty repository.
 	commit := ctx.Repo.Commit
@@ -393,6 +402,7 @@ func TestWebhook(ctx *context.Context) {
 	}
 }
 
+// DeleteWebhook delete a webhook
 func DeleteWebhook(ctx *context.Context) {
 	if err := models.DeleteWebhookByRepoID(ctx.Repo.Repository.ID, ctx.QueryInt64("id")); err != nil {
 		ctx.Flash.Error("DeleteWebhookByRepoID: " + err.Error())