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 home():
"""Render the home page."""
jumbotron = render_template("index-jumbo.html")
abstracts = [render_template("item-abstract.html", item=i)
for i in data.get_latest_items()]
category_links = [render_template("category-link.html",
category=c, active=False)
for c in data.get_categories().values()]
return render_template("view.html",
jumbotron = jumbotron,
abstracts = abstracts,
category_links = category_links)
def home():
"""Render the home page."""
jumbotron = render_template("index-jumbo.html")
abstracts = [
render_template("item-abstract.html", item=i)
for i in data.get_latest_items()
]
category_links = [
render_template("category-link.html", category=c, active=False)
for c in data.get_categories().values()
]
return render_template("view.html",
jumbotron=jumbotron,
abstracts=abstracts,
category_links=category_links)
def create_category_post():
"""Handle create category request."""
# Make sure the category name does not already exist.
name = request.form["name"]
if name in data.get_categories():
flash("Error: The category name '{0}' already exists.".format(name))
return redirect(url_for('create_category'))
# Create a `Category` object and add into database.
category = Category(cid = None,
name = name,
description = request.form["description"],
wiki_url = request.form["wiki"],
last_modified = datetime.now())
data.add_category(category)
flash("The category has been added.")
return redirect(url_for('read_category', category_name = name))
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)
def api_json():
"""Return a json object containing all categories."""
return jsonify(categories = [c.to_json()
for c in data.get_categories().values()])