def update_category_post(category_name):
"""Handle update category request."""
# Get the category to be updated.
category = data.get_category(category_name)
if not category:
return "Not Found", 404
# Check if the category name has changed.
old_name = category.name
new_name = request.form["name"]
if old_name != new_name:
# Make sure the new name does not already exist.
categories = data.get_categories()
if new_name in categories:
flash("Error: The category name '{0}' already exists.".format(
new_name))
return redirect(url_for('update_category',
category_name = old_name))
# Update the in-memory cache about the category name change.
data.change_category_name_in_cache(old_name, new_name)
category.name = new_name
# Update description and wiki url, and update into database.
category.description = request.form["description"]
category.wiki_url = request.form["wiki"]
category.last_modified = datetime.now()
data.update_category(category)
flash("The category has been updated.")
return redirect(url_for('read_category', category_name = new_name))
def create_item_post(category_name):
"""Handle create item request."""
# Check the `category_name`.
category = data.get_category(category_name)
if not category:
return "Category '%s' not found" % category_name, 404
# Make sure the item name does not exist in the same category.
items = data.get_items(category_name)
name = request.form["name"]
if name in items:
flash("Error: The item name '{0}' already exists"
"in this category.".format(name))
return redirect(url_for('create_item', category_name=category_name))
# Create an `Item` object and add into database.
item = Item(category = category,
iid = None,
name = name,
description = request.form["description"],
wiki_url = request.form["wiki"],
last_modified = datetime.now())
data.add_item(item)
flash("The item has been added.")
return redirect(url_for('read_item',
category_name = category_name,
item_name = name))
def update_category(category_name):
"""Render update category page."""
category = data.get_category(category_name)
if not category:
return "Not Found", 404
cancel_url = url_for('read_category', category_name = category_name)
return render_template("edit.html",
title = "Edit a category.",
entity = category,
cancel_url = cancel_url)
def api_json_category(category_name):
"""Return a json object containing information of the requested category
together with all items inside this category."""
category = data.get_category(category_name)
if not category:
return "Not Found", 404
items = data.get_items(category_name).values()
return jsonify(
category = category.to_json(),
items = [i.to_json() for i in items]
)
def create_item(category_name):
"""Render create item page."""
category = data.get_category(category_name)
if not category:
return "Category '%s' not found" % category_name, 404
item = Item(category = category,
iid = None,
name = "Item name",
description = "Add some description.",
wiki_url = "http://www.wikipedia.org/xxx",
last_modified = datetime.now())
cancel_url = url_for('read_category', category_name = category_name)
return render_template("edit.html",
title = "Create an item.",
entity = item,
cancel_url = cancel_url)
def delete_category(category_name):
"""Handle delete category request."""
category = data.get_category(category_name)
data.delete_category(category)
flash("The category '{0}' has been deleted.".format(category_name))
return redirect('/')
def delete_category(category_name):
"""Handle delete category request."""
category = data.get_category(category_name)
data.delete_category(category)
flash("The category '{0}' has been deleted.".format(category_name))
return redirect('/')