def index():
"""
Function to return a page listing all categories and most recent items.
"""
set_redirect_url()
show_all = True if request.method == 'GET' and\
str(request.args.get('show_all', False)).lower() == 'true'\
else False
categories = get_all_objects_of_type(Category)
if not show_all:
latest_items = get_last_x_items_of_type(10, CategoryItem)
num_items = latest_items.count()
else:
latest_items = get_all_objects_of_type(CategoryItem)
latest_items.reverse()
num_items = len(latest_items)
user = get_user()
items = get_all_items()
return render_template('home.html',
show_all=show_all,
categories=categories,
items=items,
latest_items=latest_items,
num_items=num_items,
user=user)
def index():
"""
Function to return a page listing all categories and most recent items.
"""
set_redirect_url()
show_all = True if request.method == 'GET' and\
str(request.args.get('show_all', False)).lower() == 'true'\
else False
categories = get_all_objects_of_type(Category)
if not show_all:
latest_items = get_last_x_items_of_type(10, CategoryItem)
num_items = latest_items.count()
else:
latest_items = get_all_objects_of_type(CategoryItem)
latest_items.reverse()
num_items = len(latest_items)
user = get_user()
items = get_all_items()
return render_template('home.html',
show_all=show_all,
categories=categories,
items=items,
latest_items=latest_items,
num_items=num_items,
user=user)
def categories_json():
"""
Function to return JSON of all categories.
"""
categories = get_all_objects_of_type(Category)
return jsonify(categories=[cat.serialize for cat in categories])
def category_info(category_id):
"""
Function to return a page to view items for specified category.
Args:
category_id: ID value of the category to view.
"""
set_redirect_url()
# Retrieve Category object for template rendering.
# If not found, render error template.
category = db_session.query(Category)\
.filter_by(id=category_id)\
.first()
if not category:
return render_template(
'error.html',
headline_text='Category Not Found',
error_text='The specified category was not found.')
login_session['last_category_id'] = category.id
category_items = db_session.query(CategoryItem).filter_by(
category_id=category.id).all()
creator = category.user
user = get_user()
return render_template('category_info.html',
categories=get_all_objects_of_type(Category),
category=category,
category_items=category_items,
creator=creator,
items=get_all_items(),
user=user)
def category_item_info(item_id):
"""
Function to return a page to view a category item.
Args:
item_id: ID value of the category item to view.
"""
set_redirect_url()
# Retrieve CategoryItem object for template rendering.
# If not found, render error template.
category_item = db_session.query(CategoryItem)\
.filter_by(id=item_id)\
.first()
if not category_item:
return render_template('error.html',
headline_text='Item Not Found',
error_text='The specified item was not found.')
creator = category_item.user
user = get_user()
return render_template('category_item_info.html',
categories=get_all_objects_of_type(Category),
category=category_item.category,
item=category_item,
items=get_all_items(),
creator=creator,
user=user)
def categories_json():
"""
Function to return JSON of all categories.
"""
categories = get_all_objects_of_type(Category)
return jsonify(categories=[cat.serialize for cat in categories])
def category_info(category_id):
"""
Function to return a page to view items for specified category.
Args:
category_id: ID value of the category to view.
"""
set_redirect_url()
# Retrieve Category object for template rendering.
# If not found, render error template.
category = db_session.query(Category)\
.filter_by(id=category_id)\
.first()
if not category:
return render_template('error.html',
headline_text='Category Not Found',
error_text='The specified category was not found.')
login_session['last_category_id'] = category.id
category_items = db_session.query(CategoryItem).filter_by(category_id=category.id).all()
creator = category.user
user = get_user()
return render_template('category_info.html',
categories=get_all_objects_of_type(Category),
category=category,
category_items=category_items,
creator=creator,
items=get_all_items(),
user=user)
def new_category_item():
"""
Function to return a page to create a new category item.
"""
set_redirect_url()
user = get_user()
categories = get_all_objects_of_type(Category)
category = None
if not user:
return redirect(url_for('login'))
if request.method == 'POST':
if request.form.get('name', '') == '' and request.form.get('category', '') != '':
category = db_session.query(Category)\
.filter_by(id=request.form.get('category'))\
.first()
return render_template('new_category_item.html',
user=user,
category=category,
categories=categories,
request=request)
new_item = CategoryItem(name=request.form['name'],
user_id=login_session['user_id'],
description=request.form['description'],
category_id=request.form['category'])
db_session.add(new_item)
db_session.commit()
flash('New Item {} Successfully Created!'.format(new_item.name))
return redirect(url_for('index'))
else:
return render_template('new_category_item.html',
user=user,
category=category,
categories=categories)
def category_item_info(item_id):
"""
Function to return a page to view a category item.
Args:
item_id: ID value of the category item to view.
"""
set_redirect_url()
# Retrieve CategoryItem object for template rendering.
# If not found, render error template.
category_item = db_session.query(CategoryItem)\
.filter_by(id=item_id)\
.first()
if not category_item:
return render_template('error.html',
headline_text='Item Not Found',
error_text='The specified item was not found.')
creator = category_item.user
user = get_user()
return render_template('category_item_info.html',
categories=get_all_objects_of_type(Category),
category=category_item.category,
item=category_item,
items=get_all_items(),
creator=creator,
user=user)
def catalog_json():
"""
Function to return JSON of all categories and items.
"""
categories = get_all_objects_of_type(Category)
categories_list = []
for cat in categories:
categories_list.append(cat.serialize)
items = db_session.query(CategoryItem).filter_by(category_id=cat.id).all()
categories_list[-1]['items'] = [item.serialize for item in items]
return jsonify(categories=categories_list)
def catalog_json():
"""
Function to return JSON of all categories and items.
"""
categories = get_all_objects_of_type(Category)
categories_list = []
for cat in categories:
categories_list.append(cat.serialize)
items = db_session.query(CategoryItem).filter_by(
category_id=cat.id).all()
categories_list[-1]['items'] = [item.serialize for item in items]
return jsonify(categories=categories_list)
def edit_category_item(item_id):
"""
Function to return a page to edit a category item.
Args:
item_id: ID value of the category item to edit.
"""
user = get_user()
categories = get_all_objects_of_type(Category)
edited_item = db_session.query(CategoryItem)\
.filter_by(id=item_id)\
.first()
if not edited_item:
return render_template('error.html',
headline_text='Item Not Found',
error_text='The specified item was not found.')
# Make sure the user is the creator of the item.
if not user or user and user.id != edited_item.user.id:
return render_template('error.html',
headline_text='Access Denied',
error_text='Sorry, but you are not the creator of '\
'the item "{}". As such, you are not authorized '\
'to make edits to it.'.format(edited_item.name))
if request.method == 'POST':
edited_item.name = request.form['name']
edited_item.description = request.form['description']
edited_item.category_id = request.form['category']
db_session.add(edited_item)
db_session.commit()
flash('Item Successfully Updated!')
category = db_session.query(Category)\
.filter_by(id=edited_item.category_id)\
.first()
return redirect(url_for('category_item_info',
item_id=edited_item.id))
else:
return render_template('edit_category_item.html',
item=edited_item,
user=user,
categories=categories)
def edit_category_item(item_id):
"""
Function to return a page to edit a category item.
Args:
item_id: ID value of the category item to edit.
"""
user = get_user()
categories = get_all_objects_of_type(Category)
edited_item = db_session.query(CategoryItem)\
.filter_by(id=item_id)\
.first()
if not edited_item:
return render_template('error.html',
headline_text='Item Not Found',
error_text='The specified item was not found.')
# Make sure the user is the creator of the item.
if not user or user and user.id != edited_item.user.id:
return render_template('error.html',
headline_text='Access Denied',
error_text='Sorry, but you are not the creator of '\
'the item "{}". As such, you are not authorized '\
'to make edits to it.'.format(edited_item.name))
if request.method == 'POST':
edited_item.name = request.form['name']
edited_item.description = request.form['description']
edited_item.category_id = request.form['category']
db_session.add(edited_item)
db_session.commit()
flash('Item Successfully Updated!')
category = db_session.query(Category)\
.filter_by(id=edited_item.category_id)\
.first()
return redirect(url_for('category_item_info', item_id=edited_item.id))
else:
return render_template('edit_category_item.html',
item=edited_item,
user=user,
categories=categories)
def new_category_item():
"""
Function to return a page to create a new category item.
"""
set_redirect_url()
user = get_user()
categories = get_all_objects_of_type(Category)
category = None
if not user:
return redirect(url_for('login'))
if request.method == 'POST':
if request.form.get(
'name', '') == '' and request.form.get('category', '') != '':
category = db_session.query(Category)\
.filter_by(id=request.form.get('category'))\
.first()
return render_template('new_category_item.html',
user=user,
category=category,
categories=categories,
request=request)
new_item = CategoryItem(name=request.form['name'],
user_id=login_session['user_id'],
description=request.form['description'],
category_id=request.form['category'])
db_session.add(new_item)
db_session.commit()
flash('New Item {} Successfully Created!'.format(new_item.name))
return redirect(url_for('index'))
else:
return render_template('new_category_item.html',
user=user,
category=category,
categories=categories)
