122 lines
2.5 KiB
Go
122 lines
2.5 KiB
Go
package handlers
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import (
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"bytes"
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"errors"
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"net/http"
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"path/filepath"
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"strings"
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"github.com/hacdias/caddy-filemanager/file"
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"github.com/hacdias/caddy-filemanager/frontmatter"
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"github.com/spf13/hugo/parser"
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)
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// Editor contains the information for the editor page
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type Editor struct {
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Class string
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Mode string
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Visual bool
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Content string
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FrontMatter struct {
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Content *frontmatter.Content
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Rune rune
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}
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}
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// GetEditor gets the editor based on a FileInfo struct
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func GetEditor(r *http.Request, i *file.Info) (*Editor, error) {
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var err error
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// Create a new editor variable and set the mode
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e := new(Editor)
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e.Mode = editorMode(i.Name)
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e.Class = editorClass(e.Mode)
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if e.Class == "frontmatter-only" || e.Class == "complete" {
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e.Visual = true
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}
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if r.URL.Query().Get("visual") == "false" {
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e.Class = "content-only"
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}
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hasRune := frontmatter.HasRune(i.Content)
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if e.Class == "frontmatter-only" && !hasRune {
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e.FrontMatter.Rune, err = frontmatter.StringFormatToRune(e.Mode)
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if err != nil {
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goto Error
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}
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i.Content = frontmatter.AppendRune(i.Content, e.FrontMatter.Rune)
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hasRune = true
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}
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if e.Class == "frontmatter-only" && hasRune {
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e.FrontMatter.Content, _, err = frontmatter.Pretty(i.Content)
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if err != nil {
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goto Error
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}
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}
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if e.Class == "complete" && hasRune {
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var page parser.Page
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// Starts a new buffer and parses the file using Hugo's functions
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buffer := bytes.NewBuffer(i.Content)
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page, err = parser.ReadFrom(buffer)
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if err != nil {
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goto Error
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}
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// Parses the page content and the frontmatter
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e.Content = strings.TrimSpace(string(page.Content()))
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e.FrontMatter.Rune = rune(i.Content[0])
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e.FrontMatter.Content, _, err = frontmatter.Pretty(page.FrontMatter())
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}
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if e.Class == "complete" && !hasRune {
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err = errors.New("Complete but without rune")
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}
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Error:
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if e.Class == "content-only" || err != nil {
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e.Class = "content-only"
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e.Content = i.StringifyContent()
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}
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return e, nil
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}
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func editorClass(mode string) string {
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switch mode {
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case "json", "toml", "yaml":
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return "frontmatter-only"
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case "markdown", "asciidoc", "rst":
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return "complete"
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}
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return "content-only"
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}
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func editorMode(filename string) string {
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mode := strings.TrimPrefix(filepath.Ext(filename), ".")
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switch mode {
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case "md", "markdown", "mdown", "mmark":
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mode = "markdown"
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case "asciidoc", "adoc", "ad":
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mode = "asciidoc"
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case "rst":
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mode = "rst"
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case "html", "htm":
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mode = "html"
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case "js":
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mode = "javascript"
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case "go":
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mode = "golang"
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}
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return mode
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}
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