add new category

app.py

@@ -81,6 +81,17 @@ def create():
         content=request.form['content']
         cat_title=request.form['cat']
 
+        #create a new category:
+        new_category = request.form['new_category']
+        # if a new category_title is created add it to the table of categories
+        if cat_title == 'New category' and new_category:
+            conn.execute('INSERT INTO categories (title) VALUES (?)',
+                            (new_category,))
+            conn.commit()
+            # update cat_title to refer to the newly added category
+            cat_title = new_category
+
+
         if not content:
             flash('plz write a content!')
             return redirect(url_for('home'))

templates/create.html

@@ -14,6 +14,7 @@
     <div class="form-group">
         <label for="cat">category/type</label>
         <select class="form-control" name="cat">
+            <option value="New category" selected>New category</option>
             {% for cat in categories %}
                 {% if cat['title'] == request.form['cat'] %}
                     <option value="{{ request.form['cat'] }}" selected>
@@ -27,6 +28,12 @@
             {% endfor %}
         </select>
     </div>
+    <div class="form-group">
+        <label for="new_category">New Category</label>
+        <input type="text" name="new_category"
+                placeholder="New category name" class="form-control"
+                value="{{ request.form['new_category'] }}"></input>
+    </div>
     <div class="form-group">
         <button type="submit" class="btn btn-primary">Submit</button>
     </div>