def update_item():
"""
Update the requested item.
"""
# Get the category and check if it's exist or fail to 404 page if not
category = Category.find_or_fail(request.form['category_id'])
# Get the item and check if it's exist or fail to 404 page if not
item = Item.find_or_fail(request.form['item_id'])
# Make sure the current user is authorized or not
if not item.user or item.user.id != current_user.id:
return current_app.login_manager.unauthorized()
# The below is for validate the unique slug, if it
# was exists before, then the ORM will not fall to
# the ModelNotFound exception and the code will
# continue flashing the error message to the user.
# Otherwise, if the slug is not exists, then the
# request is completely valid and the ORM will
# going to fall to the ModelNotFound exception
# then save the new Item
try:
# Get the current item slug before it changing using ORM mutator
old_item_slug = item.slug
item.title = request.form['title']
item.description = request.form['description']
# Associate the new item with the category
item.category().associate(category)
# Associate the new item to the current user
item.user().associate(current_user)
# Get the item and check if it's exist or fail to 404 page if not
Item.where('slug', item.slug).first_or_fail()
# if the current slug is the same as requested then throw
# to the ModelNotFound Exception and save the current item
if item.slug == old_item_slug:
raise ModelNotFound(item.__class__)
flash('The title seems similar to another'
' title, please choose another one.')
return render_template('items/edit.html',
categories=Category.all(),
item=item)
except ModelNotFound:
# Save the item
item.save()
return redirect(
url_for('view_item', category_slug=category.slug, item_slug=item.slug))
def store_item():
"""
Store the new requested item.
"""
# Get the category and check if it's exist or fail to 404 page if not
category = Category.find_or_fail(request.form['category_id'])
# Create new item
item = Item()
item.title = request.form['title']
item.description = request.form['description']
# Associate the new item with the category
item.category().associate(category)
# Associate the new item to the current user
item.user().associate(current_user)
# The below is for validate the unique slug, if it
# was exists before, then the ORM will not fall to
# the ModelNotFound exception and the code will
# continue flashing the error message to the user.
# Otherwise, if the slug is not exists, then the
# request is completely valid and the ORM will
# going to fall to the ModelNotFound exception
# then save the new Item
try:
# Get the item and check if it's exist or fail to 404 page if not
Item.where('slug', item.slug).first_or_fail()
flash('The title seems similar to another'
' title, please choose another one.')
return render_template('items/add.html',
categories=Category.all(),
current_category=category,
item=item)
except ModelNotFound:
# Save the item
item.save()
return redirect(
url_for('view_item', category_slug=category.slug, item_slug=item.slug))
