feat: Add web view to display notes in HTML

Signed-off-by: Julien Riou <julien@riou.xyz>

src/server/server.go

@@ -192,6 +192,7 @@ type PageData struct {
 	Languages   []string
 	Err         error
 	URL         string
+	Note        *Note
 }
 
 type HomeHandler struct {
@@ -316,6 +317,81 @@ func (h *CreateNoteWithFormHandler) ServeHTTP(w http.ResponseWriter, r *http.Req
 	h.Templates.ExecuteTemplate(w, "create", h.PageData)
 }
 
+type GetWebNoteHandler struct {
+	Templates *template.Template
+	PageData  PageData
+	logger    *slog.Logger
+	db        *Database
+}
+
+func (h *GetWebNoteHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	h.PageData.Err = nil
+	templateName := "note"
+
+	vars := mux.Vars(r)
+	id := vars["id"]
+
+	note, err := h.db.Get(id)
+
+	if err != nil {
+		h.PageData.Err = fmt.Errorf("could not find note: %v", err)
+		h.Templates.ExecuteTemplate(w, templateName, h.PageData)
+		return
+	}
+
+	if note.Encrypted {
+		h.PageData.Err = fmt.Errorf("note is encrypted")
+		h.Templates.ExecuteTemplate(w, templateName, h.PageData)
+		return
+	}
+
+	h.PageData.Err = fmt.Errorf("jriou")
+	h.Templates.ExecuteTemplate(w, templateName, h.PageData)
+
+	h.PageData.Note = note
+
+	h.logger.Debug("rendering note web page")
+	h.Templates.ExecuteTemplate(w, "note", h.PageData)
+}
+
+type GetProtectedWebNoteHandler struct {
+	Templates *template.Template
+	PageData  PageData
+	logger    *slog.Logger
+	db        *Database
+}
+
+func (h *GetProtectedWebNoteHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	h.PageData.Err = nil
+	templateName := "note"
+
+	vars := mux.Vars(r)
+	id := vars["id"]
+	password := vars["password"]
+
+	note, err := h.db.Get(id)
+
+	if err != nil {
+		h.PageData.Err = fmt.Errorf("could not find note: %v", err)
+		h.Templates.ExecuteTemplate(w, templateName, h.PageData)
+		return
+	}
+
+	if password != "" && note.Encrypted {
+		note.Content, err = internal.Decrypt(note.Content, password)
+		if err != nil {
+			h.PageData.Err = fmt.Errorf("could not decrypt note: %v", err)
+			h.Templates.ExecuteTemplate(w, templateName, h.PageData)
+			return
+		}
+	}
+
+	h.PageData.Note = note
+
+	h.logger.Debug("rendering protected note web page")
+	h.Templates.ExecuteTemplate(w, "note", h.PageData)
+}
+
 //go:embed templates/*
 var templatesFS embed.FS
 
@@ -339,6 +415,7 @@ func (s *Server) Start() error {
 	funcs := template.FuncMap{
 		"HumanDuration": internal.HumanDuration,
 		"lower":         strings.ToLower,
+		"string":        func(b []byte) string { return string(b) },
 	}
 	p := PageData{
 		Title:       s.config.Title,
@@ -363,6 +440,22 @@ func (s *Server) Start() error {
 	}
 	r.Path("/create").Handler(createNoteWithFormHandler).Methods("POST")
 
+	protectedWebNoteHandler := &GetProtectedWebNoteHandler{
+		Templates: templates,
+		PageData:  p,
+		logger:    s.logger,
+		db:        s.db,
+	}
+	r.Path("/{id:[a-zA-Z0-9]+}/{password:[a-zA-Z0-9]+}.html").Handler(protectedWebNoteHandler).Methods("GET")
+
+	webNoteHandler := &GetWebNoteHandler{
+		Templates: templates,
+		PageData:  p,
+		logger:    s.logger,
+		db:        s.db,
+	}
+	r.Path("/{id:[a-zA-Z0-9]+}.html").Handler(webNoteHandler).Methods("GET")
+
 	r.Path("/").Handler(&HomeHandler{Templates: templates, PageData: p}).Methods("GET")
 
 	addr := fmt.Sprintf("%s:%d", s.config.ListenAddress, s.config.ListenPort)