Implement rest of dish_views as classes

canteeneo/dish_views.py

@@ -6,6 +6,7 @@ from canteeneo.forms import DishRegisterForm
 from canteeneo.views import flash_form_errors, stall_validate, dish_validate, FormView
 
 from flask import render_template, redirect, url_for, request
+from flask.views import View
 from flask_login import login_required
 from werkzeug.utils import secure_filename
 
@@ -26,47 +27,43 @@ class NewDishView(FormView):
     def get_form(self):
         return DishRegisterForm()
 
-app.add_url_rule('/stalls/<int:stall_id>/dishes/new', view_func=NewDishView.as_view('new_dish'))    
-
-@app.route('/stalls/<int:stall_id>/dishes/<int:dish_id>', methods=["GET"])
-@login_required
-@dish_validate
-def dish(stall_id, dish_id):
+class DishView(View):
+    decorators=[login_required, dish_validate]
+    def dispatch_request(self, stall_id, dish_id):
         return render_template('viewdish.html', stall=Stall.query.get(stall_id), dish=Dish.query.get(dish_id))
 
-@app.route('/stalls/<int:stall_id>/dishes/<int:dish_id>/edit', methods=['GET', 'POST'])
-@login_required
-@dish_validate
-def edit_dish(stall_id, dish_id):
-    stall = Stall.query.get(stall_id)
-    dish = Dish.query.get(dish_id)
-    form = DishRegisterForm()
-    if request.method == 'POST':
-        if form.validate(editing=True):
-            dish.name = form.name.data
-            dish.description = form.description.data
-            dish.price = form.price.data
+class EditDishView(FormView):
+    decorators=[login_required, dish_validate]
+    def dispatch_request(self, stall_id, dish_id):
+        self.stall = Stall.query.get(stall_id)
+        self.dish = Dish.query.get(dish_id)
+        return FormView.dispatch_request(self, stall_id, dish_id)
+    def render_post(self, stall_id, dish_id):
+        self.dish.name = form.name.data
+        self.dish.description = form.description.data
+        self.dish.price = form.price.data
         if form.image.data.filename is not u'':
-                dish.image_path = secure_filename(form.image.data.filename)
-                form.image.data.save(os.path.join(app.config['UPLOAD_FOLDER'], dish.image_path))
+            self.dish.image_path = secure_filename(form.image.data.filename)
+            form.image.data.save(os.path.join(app.config['UPLOAD_FOLDER'], self.dish.image_path))
         db.session.commit()
-            return redirect(url_for('view_stall', stall_id=stall_id))
-        else:
-            flash_form_errors(form)
-            return redirect(url_for('edit_dish', stall_id=stall_id, dish_id=dish_id))
-    else:
-        form.name.data = dish.name
-        form.description.data = dish.description
-        form.price.data = dish.price
-    
-    return render_template('editdish.html', form=form, stall=stall, dish=dish)
+        return redirect(url_for('view_stall', stall_id=stall.id))
+    def render_get(self, stall_id, dish_id):
+        form.name.data = self.dish.name
+        form.description.data = self.dish.description
+        form.price.data = self.dish.price
+        return render_template('editdish.html', form=form, stall=self.stall, dish=self.dish)
+    def get_form(self):
+        return DishRegisterForm()
 
-@app.route('/stalls/<int:stall_id>/dishes/<int:dish_id>/delete', methods=['POST'])
-@login_required
-@dish_validate
-def delete_dish(stall_id, dish_id):
+class DeleteDishView(View):
+    decorators=[login_required, dish_validate]
+    def dispatch_request(self, stall_id, dish_id):
         dish = Dish.query.get(dish_id)
         db.session.delete(dish)
         db.session.commit()
-
         return redirect(url_for('view_stall', stall_id=stall_id))
+
+app.add_url_rule('/stalls/<int:stall_id>/dishes/new', view_func=NewDishView.as_view('new_dish'))
+app.add_url_rule('/stalls/<int:stall_id>/dishes/<int:dish_id>', view_func=DishView.as_view('view_dish'), methods=['GET'])
+app.add_url_rule('/stalls/<int:stall_id>/dishes/<int:dish_id>/edit', view_func=EditDishView.as_view('edit_dish'))
+app.add_url_rule('/stalls/<int:stall_id>/dishes/<int:dish_id>/delete', view_func=DeleteDishView.as_view('delete_dish'), methods=['POST'])