filebrowser/settings/settings.go

102 lines
1.9 KiB
Go

package settings
import (
"bytes"
"encoding/json"
"io/ioutil"
"log"
"net/http"
"os"
"github.com/hacdias/caddy-hugo/frontmatter"
"github.com/hacdias/caddy-hugo/page"
)
// Execute the page
func Execute(w http.ResponseWriter, r *http.Request) (int, error) {
language := getConfigFrontMatter()
if language == "" {
log.Print("Configuration frontmatter can't be defined")
return 500, nil
}
if r.Method == "POST" {
err := os.Remove("config." + language)
if err != nil {
log.Print(err)
return 500, nil
}
buf := new(bytes.Buffer)
buf.ReadFrom(r.Body)
raw := buf.Bytes()
content := new(bytes.Buffer)
json.Indent(content, raw, "", " ")
err = ioutil.WriteFile("config.json", content.Bytes(), 0666)
if err != nil {
log.Print(err)
return 500, err
}
w.Header().Set("Content-Type", "application/json")
w.Write([]byte("{}"))
} else {
content, err := ioutil.ReadFile("config." + language)
if err != nil {
log.Print(err)
return 500, err
}
f, err := frontmatter.Pretty(appendFrontMatterRune(content, language))
if err != nil {
log.Print(err)
return 500, err
}
page := new(page.Page)
page.Name = "Settings"
page.Class = "settings"
page.Body = f
return page.Render(w, r, "settings", "frontmatter")
}
return 200, nil
}
func getConfigFrontMatter() string {
var frontmatter string
if _, err := os.Stat("config.yaml"); err == nil {
frontmatter = "yaml"
}
if _, err := os.Stat("config.json"); err == nil {
frontmatter = "json"
}
if _, err := os.Stat("config.toml"); err == nil {
frontmatter = "toml"
}
return frontmatter
}
func appendFrontMatterRune(frontmatter []byte, language string) []byte {
switch language {
case "yaml":
return []byte("---\n" + string(frontmatter) + "\n---")
case "toml":
return []byte("+++\n" + string(frontmatter) + "\n+++")
case "json":
return frontmatter
}
return frontmatter
}