Add user self delete function

app/auth/views.py

@@ -160,3 +160,13 @@ def edit_profile():
         change_profile_form=change_profile_form,
         title='Edit Profile'
     )
+
+
+@auth.route('/edit_profile/delete_self/<int:user_id>', methods=['GET', 'POST'])
+@login_required
+def delete_self(user_id):
+    selected_user = User.query.filter_by(id=user_id).first()
+    db.session.delete(selected_user)
+    db.session.commit()
+    flash('Your account has been deleted!')
+    return redirect(url_for('main.index'))

app/templates/auth/edit_profile.html.j2

@@ -66,4 +66,31 @@
     </form>
   </div>
 </div>
+<div class="col s12 m4">
+  <h3>Delete Account</h3>
+  <p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren,</p>
+</div>
+<div class="col s12 m8">
+  <div class="card">
+    <div class="card-content">
+      <!-- Confirm deletion of selected user with modal dialogue
+    Modal Trigger-->
+  </div>
+    <div class="card-action right-align">
+      <a href="#modal-confirm-delete" class="waves-effect waves-light btn red modal-trigger"><i class="material-icons left">delete</i>Delete User</a>
+    </div>
+      <!-- Modal Strucutre -->
+      <div id="modal-confirm-delete" class="modal">
+        <div class="modal-content">
+          <h4>Confirm deletion</h4>
+            <p>
+              Do you really want to delete your account and all associated data?
+            </p>
+        </div>
+        <div class="modal-footer">
+          <a href="{{url_for('auth.delete_self', user_id=current_user.id)}}" class="modal-close waves-effect waves-green btn red"><i class="material-icons left">delete</i>Delete User</a></a>
+        </div>
+      </div>
+  </div>
+</div>
 {% endblock %}