create list interactivity

src/app.py

@@ -11,14 +11,14 @@ CORS(app)
 def serve_index():
     return render_template('app.html')
 
-@app.route('/app/init', methods = ['GET'])
+@app.route('/init', methods = ['GET'])
 def init_db():
     status = check_schema()
     if not status:
         initialize()
     return str(status)
 
-@app.route('/app/update', methods = ['GET'])
+@app.route('/update', methods = ['GET'])
 def update_hist():
     print("update")
     update_items()
@@ -69,8 +69,14 @@ def createList():
     data = request.get_json()
     name = data.get('name')
     description = data.get('description')
-    create_list(name, description)
-    return jsonify({'created list ': name}), 200
+    items = data.get('items')
+    list_uuid = create_list(name, description)
+    if list_uuid:
+        for item in items.split('#'):
+            add_to_list(list_uuid, item)
+        return jsonify({'created list ': name}), 200
+    else:
+        return jsonify({'create  failed': name}), 400
 
 @app.route('/app/add-to-list', methods=['POST'])
 def addToList():

src/db.py

@@ -164,19 +164,38 @@ def delete_item(uuid):
 def create_list(name, description):
     '''
     initialize an itemlist in the database
+    return list uuid
+    return None if a list with this name already exist
     '''
     if len(name) <= 50:
         connection = connect_db()
         cursor = connection.cursor()
+
         cursor.execute("""
-        INSERT INTO itemlist (uuid, name, description)
-        VALUES (nextval('uuid_list_sequence'), %s, %s)
-        """, (name, description))
+        SELECT uuid
+        FROM itemlist
+        WHERE name = %s
+        """, (name,))
+
+        result = cursor.rowcount
+
+        if result == 0:
+            cursor.execute("""
+            INSERT INTO itemlist (uuid, name, description)
+            VALUES (nextval('uuid_list_sequence'), %s, %s)
+            """, (name, description))
+            cursor.execute("""
+            SELECT uuid
+            FROM itemlist
+            WHERE name = %s
+            """, (name,))
+            result = cursor.fetchall()[0][0]
+        else:
+            result = None
+
         connection.commit()
         connection.close()
-        return 1
-    else:
-        return 0
+        return result
 
 def add_to_list(list_uuid, item_uuid):
     '''