Add append API

main.go

@@ -881,6 +881,55 @@ func main() {
 	mp = NewFilePages(dataDir, searchIndex)
 
 	http.Handle("/auth/", &authHandler{})
+	http.HandleFunc("/api/document/append", func(w http.ResponseWriter, r *http.Request) {
+		err := r.ParseForm()
+		if err != nil {
+			http.Error(w, err.Error(), 400)
+			return
+		}
+		id := r.Form.Get("id")
+		if id == "" {
+			http.Error(w, "missing id", 400)
+			return
+		}
+
+		page := mp.Get(id)
+		log.Println(page.Content)
+		var listItems []ListItem
+
+		err = json.NewDecoder(strings.NewReader(page.Content)).Decode(&listItems)
+		if err != nil && err != io.EOF {
+			http.Error(w, fmt.Sprintf("while decoding: %s", err.Error()), 500)
+			return
+		}
+
+		newId := &ID{"1", true}
+		listItems = append(listItems, ListItem{
+			ID:       newId.NewID(),
+			Indented: 0,
+			Text:     r.Form.Get("text"),
+			Fleeting: false,
+		})
+
+		var buf bytes.Buffer
+
+		err = json.NewEncoder(&buf).Encode(&listItems)
+		if err != nil {
+			http.Error(w, fmt.Sprintf("while encoding: %s", err.Error()), 500)
+			return
+		}
+
+		page.Content = buf.String()
+		page.Name = id
+		page.Title = id
+
+		err = mp.Save(id, page, "", "")
+		if err != nil {
+			http.Error(w, fmt.Sprintf("while saving: %s", err.Error()), 500)
+			return
+		}
+		return
+	})
 	http.HandleFunc("/links.json", func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Content-Type", "application/json")
 		http.ServeFile(w, r, filepath.Join(dataDir, LinksFile))