fix id's doubling

controllers/posts.py

@@ -21,13 +21,7 @@ class PostsController(BaseController):
         self.response.set_body(body)
 
     def create(self):
-        id_ = next(id_gen)
-        Database.add(
-            {
-                'id': id_,
-                'title': self.request.body['title']
-            }
-        )
+        Database.add(self.request.body)
 
         self.response.add_header('Content-Type', 'text/html')
         self.response.set_status(301)

src/templates/posts/create.html

@@ -5,7 +5,7 @@
   <div class="mb-3 row">
     <label for="staticEmail" class="col-sm-2 col-form-label">Id</label>
     <div class="col-sm-10">
-      <input type="text" readonly class="form-control-plaintext" id="staticEmail" value="{{ id }}">
+      <input type="text" readonly class="form-control-plaintext" id="staticEmail" name="id" value="{{ id }}">
     </div>
   </div>
   <div class="mb-3 row">