def item_edit(catalog, item):
""" For modifying item
arguments:
catalog : catalog name
item : item name
"""
# Find item
user_id = login_session.get('user_id')
this_one = db.session.query(Item).join(Catalog).filter(
Item.name == item).filter(Catalog.name == catalog).one()
# Show 404 error if it does not exist
if not this_one:
abort(404)
# Show 401 error if current user is not the owner
if this_one.user_id != user_id:
abort(401)
#Show page to user
form_action = url_for('catalog.item_edit', catalog=catalog, item=item)
if request.method == 'GET':
form = ItemForm(obj=this_one)
return render_template('catalog/item_edit.html',
form_action=form_action, form=form)
#Process data when user posts data
form = ItemForm(request.form)
if request.method == 'POST' and form.validate():
try:
filename = upload_file(request.files['image_file'])
form.populate_obj(this_one)
this_one.filename = filename
db.session.merge(this_one)
db.session.commit()
flash('Item updated successfully!')
except:
db.session.rollback()
flash('Failed to update this item!', 'error')
return redirect('/')
else:
return redirect(request.path)
