def delete_post(post_id):
"""Deletes a post
"""
post = get_post(post_id)
# In some situations a post may be in a cursor (deleting account) but have
# already been deleted by this function in a previous run.
if post is not None:
# Delete votes and subscribers from Redis
r.delete(k.POST_VOTES.format(post.get('_id')))
# Delete the post from MongoDB
m.db.posts.remove({'_id': post_id})
if 'upload' in post:
# If there is an upload, delete it!
delete_upload(post['upload'])
if 'reply_to' in post:
m.db.posts.update({'_id': post['reply_to']},
{'$inc': {'comment_count': -1}})
else:
# Trigger deletion all posts comments if this post isn't a reply
r.delete(k.POST_SUBSCRIBERS.format(post.get('_id')))
delete_post_replies(post_id)
def test_uploads(self):
"""Simply tests the backend functions in `lib.uploads`.
Also tests `posts.get_upload` since this is only a simple wrapper
around the backend function.
"""
test_upload_dir = 'tests/upload_test_files/'
test_upload_files = [
join(test_upload_dir, f) for f in listdir(test_upload_dir)
if isfile(join(test_upload_dir, f))
]
# Create a GridFS object to test image deletion
grid = gridfs.GridFS(m.db, collection='uploads')
# Test each file in the upload directory
for f in test_upload_files:
# Don't read non image files in the directory
_, ext = splitext(f)
if ext not in ('.gif', '.jpg', '.jpeg', '.png'):
continue
image = io.BytesIO(
open(f).read()
)
filename, animated = process_upload(image)
# Get the upload these are designed for being served directly by
# Flask. This is a Flask/Werkzeug response object
image = get_upload(filename)
self.assertTrue(grid.exists({'filename': filename}))
self.assertEqual(image.headers['Content-Type'], 'image/png')
if animated:
image = get_upload(animated)
self.assertTrue(grid.exists({'filename': animated}))
self.assertEqual(image.headers['Content-Type'], 'image/gif')
# Test deletion
# Ensure file is present (it will be)
self.assertTrue(grid.exists({'filename': filename}))
# Delete the file and ensure it is not there through GridFS
delete_upload(filename)
# Ensure the file has gone
self.assertFalse(grid.exists({'filename': filename}))
# Ensure that if we load a non-image file a None value is returned
image = io.BytesIO()
self.assertEqual(process_upload(image), (None, None))
def update_profile_settings(user_id,
about="",
hide_feed_images=False,
feed_size=25,
replies_size=25,
alerts_size=50,
reply_sort_order=-1,
homepage='',
location='',
upload=None,
permission=0):
"""Update all options on a users profile settings in MongoDB."""
# Ensure the homepage URL is as valid as it can be
if homepage != '':
homepage = fix_url(homepage)
avatar = None
if upload:
filename = process_upload(upload, image_size=(96, 96), thumbnail=False)
if filename is not None: # pragma: no cover
avatar = filename
update_dict = {
'about': about,
'hide_feed_images': hide_feed_images,
'feed_pagination_size': int(feed_size),
'replies_pagination_size': int(replies_size),
'alerts_pagination_size': int(alerts_size),
'reply_sort_order': reply_sort_order,
'homepage': homepage,
'location': location,
'default_permission': int(permission)
}
if avatar is not None:
update_dict['avatar'] = avatar
user = get_user(user_id)
if user.get('avatar'):
# Clean up any old avatars
# There is no update in GridFS
delete_upload(user.get('avatar'))
# Update the users profile
m.db.users.update({'_id': user_id}, {'$set': update_dict})
# Return the user object. We can update the current_user from this
return get_user(user_id)
def update_profile_settings(user_id, about="", hide_feed_images=False,
feed_size=25, replies_size=25, alerts_size=50,
reply_sort_order=-1, homepage='', location='',
upload=None, permission=0):
"""Update all options on a users profile settings in MongoDB."""
# Ensure the homepage URL is as valid as it can be
if homepage != '':
homepage = fix_url(homepage)
avatar = None
if upload:
filename, _ = process_upload(upload, image_size=(96, 96),
thumbnail=False)
if filename is not None: # pragma: no cover
avatar = filename
update_dict = {
'about': about,
'hide_feed_images': hide_feed_images,
'feed_pagination_size': int(feed_size),
'replies_pagination_size': int(replies_size),
'alerts_pagination_size': int(alerts_size),
'reply_sort_order': reply_sort_order,
'homepage': homepage,
'location': location,
'default_permission': int(permission)
}
if avatar is not None:
update_dict['avatar'] = avatar
user = get_user(user_id)
if user.get('avatar'):
# Clean up any old avatars
# There is no update in GridFS
delete_upload(user.get('avatar'))
# Update the users profile
m.db.users.update({'_id': user_id}, {'$set': update_dict})
# Return the user object. We can update the current_user from this
return get_user(user_id)
def test_uploads(self):
"""Simply tests the backend functions in `lib.uploads`.
Also tests `posts.get_upload` since this is only a simple wrapper
around the backend function.
"""
test_upload_dir = 'tests/upload_test_files/'
test_upload_files = [
join(test_upload_dir, f) for f in listdir(test_upload_dir)
if isfile(join(test_upload_dir, f))
]
# Create a GridFS object to test image deletion
grid = gridfs.GridFS(m.db, collection='uploads')
# Test each file in the upload directory
for f in test_upload_files:
image = io.BytesIO(open(f).read())
filename = process_upload(image)
# Get the upload these are designed for being served directly by
# Flask. This is a Flask/Werkzeug response object
image = get_upload(filename)
self.assertTrue(grid.exists({'filename': filename}))
self.assertEqual(image.headers['Content-Type'], 'image/png')
# Test deletion
# Ensure file is present (it will be)
self.assertTrue(grid.exists({'filename': filename}))
# Delete the file and ensure it is not there through GridFS
delete_upload(filename)
# Ensure the file has gone
self.assertFalse(grid.exists({'filename': filename}))
# Ensure that if we load a non-image file a None value is returned
image = io.BytesIO()
self.assertIsNone(process_upload(image))
def delete_post_replies(post_id):
"""Delete ALL comments on post with pid.
This can't be done in one single call to Mongo because we need to remove
the votes from Redis!
"""
# Get a cursor for all the posts comments
cur = m.db.posts.find({'reply_to': post_id})
# Iterate over the cursor and delete each one
for reply in cur:
reply_id = reply.get('_id')
# Delete the comment itself from MongoDB
m.db.posts.remove({'_id': reply_id})
# Remove any uploaded files
if 'upload' in reply:
delete_upload(reply['upload'])
# Delete votes from Redis
r.delete(k.POST_VOTES.format(reply_id))
def delete_account(user_id):
"""Will delete a users account.
This **REMOVES ALL** details, posts, replies, etc. Not votes though.
.. note: Ensure the user has authenticated this request. This is going to
be the most *expensive* task in Pjuu, be warned.
:param user_id: The `user_id` of the user to delete
:type user_id: str
"""
# Get the user object we will need this to remove the avatar
user = get_user(user_id)
# Delete the user from MongoDB
m.db.users.remove({'_id': user_id})
# If the user has an avatar remove it
if user.get('avatar'):
delete_upload(user.get('avatar'))
# Remove all posts a user has ever made. This includes all votes
# on the posts and all comments of the posts.
# This calls the backend function from posts to do the deed
posts_cursor = m.db.posts.find({'user_id': user_id}, {})
for post in posts_cursor:
delete_post(post.get('_id'))
# Remove all the following relationships from Redis
# Delete all references to followers of the user.
# This will remove the user from the other users following list
# TODO Replace with ZSCAN
follower_cursor = r.zrange(k.USER_FOLLOWERS.format(user_id), 0, -1)
for follower_id in follower_cursor:
# Clear the followers following list of the uid
r.zrem(k.USER_FOLLOWING.format(follower_id), user_id)
# Delete the followers list
r.delete(k.USER_FOLLOWERS.format(user_id))
# Delete all references to the users the user is following
# This will remove the user from the others users followers list
# TODO Replace with ZSCAN
followee_cursor = r.zrange(k.USER_FOLLOWING.format(user_id), 0, -1)
for followee_id in followee_cursor:
# Clear the followers list of people uid is following
r.zrem(k.USER_FOLLOWERS.format(followee_id), user_id)
# Delete the following list
r.delete(k.USER_FOLLOWING.format(user_id))
# Delete the users feed, this may have been added too during this process.
# Probably not but let's be on the safe side
r.delete(k.USER_FEED.format(user_id))
# Delete the users alert list
# DO NOT DELETE ANY ALERTS AS THESE ARE GENERIC
r.delete(k.USER_ALERTS.format(user_id))
def delete_account(user_id):
"""Will delete a users account.
This **REMOVES ALL** details, posts, replies, etc. Not votes though.
.. note: Ensure the user has authenticated this request. This is going to
be the most *expensive* task in Pjuu, be warned.
:param user_id: The `user_id` of the user to delete
:type user_id: str
"""
# Get the user object we will need this to remove the avatar
user = get_user(user_id)
# Delete the user from MongoDB
m.db.users.remove({'_id': user_id})
# If the user has an avatar remove it
if user.get('avatar'):
delete_upload(user.get('avatar'))
# Remove all posts a user has ever made. This includes all votes
# on the posts and all comments of the posts.
# This calls the backend function from posts to do the deed
posts_cursor = m.db.posts.find({'user_id': user_id}, {})
for post in posts_cursor:
delete_post(post.get('_id'))
# Remove all the following relationships from Redis
# Delete all references to followers of the user.
# This will remove the user from the other users following list
# TODO Replace with ZSCAN
follower_cursor = r.zrange(k.USER_FOLLOWERS.format(user_id), 0, -1)
for follower_id in follower_cursor:
# Clear the followers following list of the uid
r.zrem(k.USER_FOLLOWING.format(follower_id), user_id)
# Delete the followers list
r.delete(k.USER_FOLLOWERS.format(user_id))
# Delete all references to the users the user is following
# This will remove the user from the others users followers list
# TODO Replace with ZSCAN
followee_cursor = r.zrange(k.USER_FOLLOWING.format(user_id), 0, -1)
for followee_id in followee_cursor:
# Clear the followers list of people uid is following
r.zrem(k.USER_FOLLOWERS.format(followee_id), user_id)
# Delete the following list
r.delete(k.USER_FOLLOWING.format(user_id))
# Delete the users feed, this may have been added too during this process.
# Probably not but let's be on the safe side
r.delete(k.USER_FEED.format(user_id))
# Delete the users alert list
# DO NOT DELETE ANY ALERTS AS THESE ARE GENERIC
r.delete(k.USER_ALERTS.format(user_id))
