mirror of
https://github.com/rjNemo/go-wiki
synced 2026-06-06 02:36:40 +00:00
96 lines
2.5 KiB
Go
96 lines
2.5 KiB
Go
package controller
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import (
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"html/template"
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"log"
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"net/http"
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"regexp"
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"strconv"
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"github.com/rjNemo/go-wiki/model"
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)
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// func ParseTemplates() *template.Template {
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// return template.Must(template.ParseFiles("templates/edit.html", "templates/view.html")) // add slice of fileNAmes
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// }
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func RegisteredRoutes() {
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// http.HandleFunc("/", loveHandler)
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http.HandleFunc("/view/", makeHandler(viewHandler))
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http.HandleFunc("/edit/", makeHandler(editHandler))
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http.HandleFunc("/save/", makeHandler(saveHandler))
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http.HandleFunc("/", homeHandler)
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log.Fatal(server(Port))
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}
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func server(p int) error {
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port := ":" + strconv.Itoa(p)
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return http.ListenAndServe(port, nil)
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}
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// func loveHandler(w http.ResponseWriter, r *http.Request) {
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// title := r.URL.Path[1:]
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// p := model.NewPage(title, nil) // already a pointer
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// renderTemplate(w, "love", p)
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// }
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func homeHandler(w http.ResponseWriter, r *http.Request) {
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// viewHandler(w, r, "FrontPage")
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p := model.BlankPage()
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renderTemplate(w, "home", p)
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}
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func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
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p, err := model.LoadPage(title)
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if err != nil {
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http.Redirect(w, r, "/edit/"+title, http.StatusFound)
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return
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}
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renderTemplate(w, "view", p)
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}
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func editHandler(w http.ResponseWriter, r *http.Request, title string) {
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p, err := model.LoadPage(title)
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if err != nil {
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p = model.NewPage(title, nil)
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}
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renderTemplate(w, "edit", p)
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}
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func saveHandler(w http.ResponseWriter, r *http.Request, title string) {
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body := r.FormValue("body")
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p := model.NewPage(title, []byte(body))
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err := p.Save()
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checkError(err, w)
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http.Redirect(w, r, "/view/"+title, http.StatusFound)
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}
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// var templates = template.Must(template.ParseFiles("templates/edit.html", "templates/view.html")) // add slice of fileNAmes
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func renderTemplate(w http.ResponseWriter, tmpl string, p *model.Page) {
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// err := templates.ExecuteTemplate(w, "templates/"+tmpl+".html", p)
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t, err := template.ParseFiles("templates/" + tmpl + ".html")
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checkError(err, w)
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err = t.Execute(w, p)
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checkError(err, w)
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}
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func checkError(err error, w http.ResponseWriter) {
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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}
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var validPath = regexp.MustCompile("^/(edit|save|view)/([a-zA-Z0-9]+)$")
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func makeHandler(fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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m := validPath.FindStringSubmatch(r.URL.Path)
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if m == nil {
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http.NotFound(w, r)
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return
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}
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fn(w, r, m[2])
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}
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}
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