Update tags: add delete tag function

myapp/ns_api/tag.py

@@ -26,3 +26,39 @@ def tag_add(name):
     models.db_session.add(newTag)
     models.db_session.commit()
     return newTag.as_dict()
+
+
+@jsonrpc.method('tag.delete(id=int)')
+@login_required
+def tag_delete(id):
+    """
+    Удалить тег
+    """
+    exist = models.db_session.query(
+        models.Tag
+    ).filter(
+        models.Tag.id==id
+    ).first()
+    if exist is None:
+        raise ValueError
+
+    models.db_session.delete(exist)
+    models.db_session.commit()
+    return 'OK'
+
+
+@jsonrpc.method('tags()')
+@login_required
+def tags_list():
+    """
+    Список тегов
+    """
+    tags = models.db_session.query(
+        models.Tag
+    ).all()
+
+    result = []
+    for tag in tags:
+        newRow = tag.as_dict()
+        result.append(newRow)
+    return result