126 lines
2.8 KiB
Go
126 lines
2.8 KiB
Go
package staticgen
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import (
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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fm "github.com/hacdias/filemanager"
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)
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// Jekyll is the Jekyll static website generator.
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type Jekyll struct {
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// Website root
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Root string `name:"Website Root"`
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// Public folder
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Public string `name:"Public Directory"`
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// Jekyll executable path
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Exe string `name:"Executable"`
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// Jekyll arguments
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Args []string `name:"Arguments"`
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// Indicates if we should clean public before a new publish.
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CleanPublic bool `name:"Clean Public"`
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// previewPath is the temporary path for a preview
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previewPath string
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}
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// Name is the plugin's name.
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func (j Jekyll) Name() string {
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return "jekyll"
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}
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// SettingsPath retrieves the correct settings path.
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func (j Jekyll) SettingsPath() string {
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return "/_config.yml"
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}
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// Hook is the pre-api handler.
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func (j Jekyll) Hook(c *fm.Context, w http.ResponseWriter, r *http.Request) (int, error) {
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return 0, nil
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}
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// Publish publishes a post.
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func (j Jekyll) Publish(c *fm.Context, w http.ResponseWriter, r *http.Request) (int, error) {
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filename := filepath.Join(c.User.Scope, r.URL.Path)
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// We only run undraft command if it is a file.
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if err := j.undraft(filename); err != nil {
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return http.StatusInternalServerError, err
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}
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// Regenerates the file
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j.run()
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return 0, nil
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}
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// Preview handles the preview path.
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func (j *Jekyll) Preview(c *fm.Context, w http.ResponseWriter, r *http.Request) (int, error) {
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// Get a new temporary path if there is none.
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if j.previewPath == "" {
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path, err := ioutil.TempDir("", "")
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if err != nil {
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return http.StatusInternalServerError, err
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}
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j.previewPath = path
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}
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// Build the arguments to execute Hugo: change the base URL,
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// build the drafts and update the destination.
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args := j.Args
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args = append(args, "--baseurl", c.RootURL()+"/preview/")
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args = append(args, "--drafts")
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args = append(args, "--destination", j.previewPath)
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// Builds the preview.
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if err := runCommand(j.Exe, args, j.Root); err != nil {
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return http.StatusInternalServerError, err
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}
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// Serves the temporary path with the preview.
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http.FileServer(http.Dir(j.previewPath)).ServeHTTP(w, r)
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return 0, nil
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}
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func (j Jekyll) run() {
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// If the CleanPublic option is enabled, clean it.
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if j.CleanPublic {
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os.RemoveAll(j.Public)
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}
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if err := runCommand(j.Exe, j.Args, j.Root); err != nil {
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log.Println(err)
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}
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}
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func (j Jekyll) undraft(file string) error {
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if !strings.Contains(file, "_drafts") {
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return nil
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}
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return os.Rename(file, strings.Replace(file, "_drafts", "_posts", 1))
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}
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// Setup sets up the plugin.
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func (j *Jekyll) Setup() error {
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var err error
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if j.Exe, err = exec.LookPath("jekyll"); err != nil {
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return err
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}
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if len(j.Args) == 0 {
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j.Args = []string{"build"}
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}
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if j.Args[0] != "build" {
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j.Args = append([]string{"build"}, j.Args...)
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}
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return nil
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}
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