func updateTodo(rend render.Render, req *http.Request, params martini.Params, dbh *db.DBHandle) {
todo_id, err := strconv.ParseInt(params["id"], 10, 64)
if err != nil {
rend.JSON(500, err.Error())
return
}
err = req.ParseForm()
if err != nil {
rend.JSON(500, err.Error())
return
}
u := unmarshalTodoJSONContainer{}
err = json.NewDecoder(req.Body).Decode(&u)
if err != nil {
rend.JSON(500, err.Error())
return
}
dbtodo := db.Todo{Id: todo_id}
err = dbh.ORM.Read(&dbtodo)
if err != nil {
if err == orm.ErrNoRows {
rend.JSON(404, fmt.Sprintf("No Todo with id %d found.", todo_id))
return
} else {
rend.JSON(500, err.Error())
return
}
}
if u.Todo.Text != "" {
dbtodo.Text = u.Todo.Text
}
if u.Todo.Category != "" {
dbtodo.Category = u.Todo.Category
}
dbh.ORM.Update(&dbtodo)
rend.JSON(200, todoWithPersonIdJSON{&dbtodo, dbtodo.Person.Id})
}
