Enable editing of titles

internal/notes/notes.go

@@ -58,3 +58,8 @@ func LoadNote(title string) (*Note, error) {
 	}
 	return &Note{Title: title, Body: body}, nil
 }
+
+func DeleteNote(title string) error {
+	filename := filepath.Join(conf.Conf.NotesDir, fmtPath(title))
+	return os.Remove(filename)
+}

internal/notes/views/views.go

@@ -19,10 +19,11 @@ func GetRoutes(prefix string) *http.ServeMux {
 	myurls = urls.URLs{
 		Prefix: prefix,
 		URLs: map[string]urls.URL{
-			"view": {Path: "/{note}/", Protocol: "GET", Handler: view},
-			"edit": {Path: "/{note}/edit/", Protocol: "GET", Handler: edit},
-			"save": {Path: "/{note}/edit/save/", Protocol: "POST", Handler: save},
-			"list": {Path: "/", Protocol: "GET", Handler: list},
+			"view":   {Path: "/{note}/", Protocol: "GET", Handler: view},
+			"delete": {Path: "/{note}/delete/", Protocol: "GET", Handler: delete},
+			"edit":   {Path: "/{note}/edit/", Protocol: "GET", Handler: edit},
+			"save":   {Path: "/{note}/edit/save/", Protocol: "POST", Handler: save},
+			"list":   {Path: "/", Protocol: "GET", Handler: list},
 		},
 	}
 	return myurls.GetRouter()
@@ -32,12 +33,13 @@ func view(w http.ResponseWriter, r *http.Request) {
 	title := r.PathValue("note")
 	note, err := notes.LoadNote(title)
 	urlEdit := myurls.Reverse("edit", urls.Repl{"note": title})
+	urlDelete := myurls.Reverse("delete", urls.Repl{"note": title})
 	if err != nil {
 		http.Redirect(w, r, urlEdit, http.StatusFound)
 		return
 	}
 
-	context := templ.Ctx{"note": note, "urlEdit": urlEdit}
+	context := templ.Ctx{"note": note, "urlEdit": urlEdit, "urlDelete": urlDelete}
 	note.Render()
 	err = templ.RenderTemplate(w, "view.tmpl.html", context)
 	if err != nil {
@@ -64,11 +66,31 @@ func edit(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func save(w http.ResponseWriter, r *http.Request) {
+func delete(w http.ResponseWriter, r *http.Request) {
 	title := r.PathValue("note")
+	err := notes.DeleteNote(title)
+	if err != nil {
+		log.Print(err.Error())
+		http.Error(w, "Couldn't delete note", http.StatusInternalServerError)
+		return
+	}
+
+	urlDelete := myurls.Reverse("list", urls.Repl{})
+	http.Redirect(w, r, urlDelete, http.StatusFound)
+}
+
+func save(w http.ResponseWriter, r *http.Request) {
+	oldTitle := r.PathValue("note")
+	title := r.FormValue("title")
 	body := r.FormValue("body")
+
 	note := &notes.Note{Title: title, Body: []byte(body)}
 	note.Save()
+
+	if oldTitle != title {
+		notes.DeleteNote(oldTitle)
+	}
+
 	http.Redirect(w, r, myurls.Reverse("view", urls.Repl{"note": title}), http.StatusFound)
 }
 

templates/edit.tmpl.html

@@ -3,7 +3,10 @@
 {{define "main"}}
 <form action="{{.urlSave}}" method="POST">
     <div class="mb-3">
-        <label for="noteBodyInput" class="form-label">Note</label>
+        <input type="text" class="form-control" id="noteTitleInput" name="title" aria-described-by="titleHelp" value="{{.note.Title}}"/>
+        <div id="titleHelp" class="form-text">Enter your note title</div>
+    </div>
+    <div class="mb-3">
         <div class="border rounded rounded-1">
             <div id="toolbar"></div>
             <textarea class="form-control" id="noteBodyInput" name="body" aria-described-by="bodyHelp">{{.text}}</textarea>

templates/view.tmpl.html

@@ -5,6 +5,7 @@
 </div>
 <div>
     <a href="{{.urlEdit}}">Edit</a>
+    <a href="{{.urlDelete}}">Delete</a>
 </div>
 {{end}}