added more comments

shop/routes.py

@@ -151,6 +151,7 @@ def cart():
 
     # gets the total price of the cart and then decides on if the user is allowed free shipping and if not adds
     # shipping cost to the final price
+    # repeated in checkout as need some of the variables created in the code to pass into template
 
     total_price = get_total_cart_price()
 
@@ -197,6 +198,7 @@ def wishlist():
                 c.wishlist = ''
             db.session.commit()
         return redirect(url_for('wishlist'))
+
     return render_template('wishlist.html', wishlist_list = wishlist_list, wishlist_size = len(wishlist_list), remove_form = remove_form)
 
 
@@ -224,10 +226,11 @@ def item_page():
 
         review_form = reviewForm()
 
+        # adds the review to the reviews database as well as the authors id
+
         if review_form.validate_on_submit():
             review_in = review_form.review.data
-            for c in db.session.query(User).filter_by(id=current_user.get_id()):
-                current_user_username = c.username
+            current_user_username = current_user.username
             review_table.new_review(review_in=review_in, product_id_in=product_in.product_id, author_in = current_user_username)
 
         reviews = review_table.query.filter_by(product_id=product_in.product_id)
@@ -252,6 +255,10 @@ def checkout():
     # gets the total price of items using the get_total_price function
     total_price = get_total_cart_price()
 
+    # gets the total price of the cart and then decides on if the user is allowed free shipping and if not adds
+    # shipping cost to the final price
+    # repeated in cart as need some of the variables created in the code to pass into template
+
     free_shipping = False
     shipping_price = 14.99
     if total_price >= 2000:
@@ -279,7 +286,7 @@ def get_total_cart_price():
         total_price += item.product_price
     return total_price
 
-
+# just takes you to the thank you page
 @app.route('/thank_you', methods=['GET', 'POST'])
 @login_required
 def thank_you():