def update_item_post(category_name, item_name):
"""Handle update item request."""
# Get the item to be updated.
item = data.get_item(category_name, item_name)
if not item:
return "Not Found", 404
# Check if the item name has changed.
old_name = item.name
new_name = request.form["name"]
if old_name != new_name:
# Make sure the new name does not already exist in this category.
items = data.get_items(category_name)
if new_name in items:
flash("Error: The item name '{0}' already exists "
"in this category.".format(new_name))
return redirect(url_for('update_item',
category_name = category_name,
item_name = item_name))
# Update the in-memory cache about the item name change.
data.change_item_name_in_cache(category_name, old_name, new_name)
item.name = new_name
# Update description and wiki url and update into database.
item.description = request.form["description"]
item.wiki_url = request.form["wiki"]
item.last_modified = datetime.now()
data.update_item(item)
flash("The item has been updated.")
return redirect(url_for('read_item',
category_name = category_name,
item_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 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 read_category(category_name):
"""Render read category page."""
# Get the category.
categories = data.get_categories()
if category_name not in categories:
return "Not Found", 404
category = categories[category_name]
# Render the page.
jumbotron = render_template("category-jumbo.html", category = category)
abstracts = [render_template("item-abstract.html", item=i)
for i in data.get_items(category_name).values()]
category_links = [render_template("category-link.html",
category=c, active=(c==category))
for c in categories.values()]
return render_template("view.html",
jumbotron = jumbotron,
abstracts = abstracts,
category_links = category_links)
def read_category(category_name):
"""Render read category page."""
# Get the category.
categories = data.get_categories()
if category_name not in categories:
return "Not Found", 404
category = categories[category_name]
# Render the page.
jumbotron = render_template("category-jumbo.html", category=category)
abstracts = [
render_template("item-abstract.html", item=i)
for i in data.get_items(category_name).values()
]
category_links = [
render_template("category-link.html",
category=c,
active=(c == category)) for c in categories.values()
]
return render_template("view.html",
jumbotron=jumbotron,
abstracts=abstracts,
category_links=category_links)
def read_item(category_name, item_name):
"""Render read item page."""
# Get the category.
categories = data.get_categories()
if category_name not in categories:
return "Not Found", 404
category = categories[category_name]
# Get the item.
items = data.get_items(category_name)
if item_name not in items:
return "Not Found", 404
item = items[item_name]
# Render the page.
jumbotron = render_template("item-jumbo.html", item = item)
category_links = [render_template("category-link.html",
category=c, active=(c==category))
for c in categories.values()]
return render_template("view.html",
jumbotron = jumbotron,
abstracts = [],
category_links = category_links)
def read_item(category_name, item_name):
"""Render read item page."""
# Get the category.
categories = data.get_categories()
if category_name not in categories:
return "Not Found", 404
category = categories[category_name]
# Get the item.
items = data.get_items(category_name)
if item_name not in items:
return "Not Found", 404
item = items[item_name]
# Render the page.
jumbotron = render_template("item-jumbo.html", item=item)
category_links = [
render_template("category-link.html",
category=c,
active=(c == category)) for c in categories.values()
]
return render_template("view.html",
jumbotron=jumbotron,
abstracts=[],
category_links=category_links)