def remove_deal_num_from_lists(deal_sequence_num):
'''
Removing deal_sequence_num from any list of deal_sequence_nums that contains
the specific deal_sequence_num that's passed into this function.
This is called when a user deletes a deal that he or she has authored.
'''
pipe = r.pipeline()
keys = r.lrange(set_of_deal_list_keys, 0, -1)
for key in keys:
nums = pipe.lrange(key, 0, -1)
if str(deal_sequence_num) in nums:
pipe.lrem(key, 1, deal_sequence_num)
pipe.execute()
def show_user_profile(name, filter_by, page, sort):
'''
This method retrieve a list of deals shared or bookmarked by the
user. This method is used to show the user's history on the site.
A user's bookmark is private to the user's eye's only. Abort 404 will be
thrown if a users try to access some other user's bookmark.
'''
#sanity check our inputs
if sort not in sorts:
return abort(404)
#are we trying to retrieve the profile of a non-existent user?
page_owner = User.objects(name=name).first()
if page_owner is None:
return abort(404)
# if we are trying filtering by the correct categories?
if filter_by not in user_history_filters:
return abort(404)
#do not allow other users to see other user's bookmark
current_user = get_current_user()
if filter_by == 'bookmarked' and (current_user == None
or current_user.name != name):
return abort(404)
key = [name, '_', filter_by, '_', sort]
key = ''.join(key)
deal_seq_nums = None
if r.exists(key):
deal_seq_nums = r.lrange(key, 0, -1)
if deal_seq_nums == ['None']:
deal_seq_nums = []
else:
deal_queryset = query_for_deals(page_owner, filter_by, sort)
deal_seq_nums = [deal.sequence_num for deal in deal_queryset]
store_list_of_deals(key, deal_seq_nums)
for deal in deal_queryset:
store_deal(deal)
start = (page - 1) * per_page
end = page * per_page
has_next = True if end < len(deal_seq_nums) else False
has_previous = True if start > 0 else False
deal_seq_nums = deal_seq_nums[start:end]
return render_template('user_history.html',
current_filter=filter_by,
current_page=page,
current_sort=sort,
owner=page_owner,
deal_seq_nums=deal_seq_nums,
has_next=has_next,
has_previous=has_previous)
def remove_deal_num_from_lists(deal_sequence_num):
'''
Removing deal_sequence_num from any list of deal_sequence_nums that contains
the specific deal_sequence_num that's passed into this function.
This is called when a user deletes a deal that he or she has authored.
'''
pipe = r.pipeline()
keys = r.lrange(set_of_deal_list_keys, 0, -1)
for key in keys:
nums = pipe.lrange(key, 0, -1)
if str(deal_sequence_num) in nums:
pipe.lrem(key, 1, deal_sequence_num)
pipe.execute()
def show_user_profile(name, filter_by, page, sort):
'''
This method retrieve a list of deals shared or bookmarked by the
user. This method is used to show the user's history on the site.
A user's bookmark is private to the user's eye's only. Abort 404 will be
thrown if a users try to access some other user's bookmark.
'''
#sanity check our inputs
if sort not in sorts:
return abort(404)
#are we trying to retrieve the profile of a non-existent user?
page_owner = User.objects(name=name).first()
if page_owner is None:
return abort(404)
# if we are trying filtering by the correct categories?
if filter_by not in user_history_filters:
return abort(404)
#do not allow other users to see other user's bookmark
current_user = get_current_user()
if filter_by == 'bookmarked' and (current_user == None or
current_user.name != name):
return abort(404)
key = [name, '_', filter_by, '_', sort]
key = ''.join(key)
deal_seq_nums = None
if r.exists(key):
deal_seq_nums = r.lrange(key, 0, -1)
if deal_seq_nums == ['None']:
deal_seq_nums = []
else:
deal_queryset = query_for_deals(page_owner, filter_by, sort)
deal_seq_nums = [deal.sequence_num for deal in deal_queryset]
store_list_of_deals(key, deal_seq_nums)
for deal in deal_queryset:
store_deal(deal)
start = (page - 1) * per_page
end = page * per_page
has_next = True if end < len(deal_seq_nums) else False
has_previous = True if start > 0 else False
deal_seq_nums = deal_seq_nums[start:end]
return render_template('user_history.html', current_filter=filter_by,
current_page=page, current_sort=sort,
owner=page_owner, deal_seq_nums=deal_seq_nums,
has_next=has_next, has_previous=has_previous)
def show_homepage(category, date_range, sort, page):
'''
This method returns a liste of deals as filtered and sorted by
category, date_range, and sort. The list of deals is then paginated
which allows us to display deals per page in the template view.
'''
#sanity check: making sure the input values are valid
if page < 1 or category not in categories or sort not in sorts or \
date_range not in date_ranges:
abort(404)
#checking to see if the requestesd deal data is stored in redis
key = [category, '_', date_range, '_', sort]
key = ''.join(key)
deal_seq_nums = None
if r.exists(key):
deal_seq_nums = r.lrange(key, 0, -1)
if deal_seq_nums == ['None']:
deal_seq_nums = []
else:
deal_queryset = query_for_deals(category, date_range, sort)
deal_seq_nums = [deal.sequence_num for deal in deal_queryset]
store_list_of_deals(key, deal_seq_nums)
# for deal in deal_queryset:
# store_deal(deal)
#preparing some date to pass into the template
start = (page - 1) * per_page
end = page * per_page
has_next = True if end < len(deal_seq_nums) else False
has_previous = True if start > 0 else False
deal_seq_nums = deal_seq_nums[start:end]
# remembering current_date, and current_sort in session
# this is useful when a user's in a specific deal's page and we need
# to highlight the correct sidebar filter links
session['current_date'] = date_range
session['current_sort'] = sort
return render_template('homepage.html', current_category=category,
current_date=date_range, current_sort=sort,
current_page=page, deal_seq_nums=deal_seq_nums,
has_next=has_next, has_previous=has_previous,
next_page=page + 1, previous_page=page - 1)