def get_post_by_id(current_user_id, post_id):
cursor = handled_execute(db_conn, """
SELECT
postId, authorId, postBody, postDate, privacy, cityName, longitude, latitude,
eventId, eventName, eventLocation, eventStart, eventEnd,
imageId,
firstName, lastName, nickName, portrait, showLastName,
(SELECT COUNT(likes.likerId) FROM likes WHERE likes.postId = posts.postId GROUP BY likes.postId) AS likeCount,
(authorId IN (SELECT userId FROM likes WHERE likes.postId = posts.postId)) AS liked,
(authorId IN (SELECT firstUserId FROM userFriends WHERE secondUserId = %(current_user_id)s)) AS requestPending,
(%(current_user_id)s IN (SELECT firstUserId FROM userFriends WHERE secondUserId = authorId)) AS requestSent,
(authorId IN (SELECT firstUserId FROM userFollows WHERE secondUserId = %(current_user_id)s)) AS follower,
(%(current_user_id)s IN (SELECT firstUserId FROM userFollows WHERE secondUserId = authorId)) AS following
FROM posts LEFT JOIN users ON posts.authorId = users.userId
WHERE postId = %(searched_post_id)s
AND (privacy != 'friends' OR authorId=%(current_user_id)s
OR (authorId IN (SELECT firstUserId FROM userFriends WHERE secondUserId = %(current_user_id)s)
AND %(current_user_id)s IN (SELECT firstUserId FROM userFriends WHERE secondUserId = authorId)))
ORDER BY postId DESC
LIMIT 1;""", {
"searched_post_id" : post_id, "current_user_id" : current_user_id
})
row = cursor.fetchone()
(post_id, author_id, post_body, post_date, privacy, city_name,
longitude, latitude, event_id, event_name, event_location, event_start,
event_end, image_id, first_name, last_name, nick_name, portrait, show_last_name,
likes, liked, request_pending, request_sent, follower, following) = row
if likes == None:
likes = 0
are_friends = request_sent and request_pending
author_name = build_name(first_name, nick_name, last_name, are_friends, show_last_name)
post_location = build_location(longitude, latitude, city_name, are_friends, privacy != POST_PRIVACY.HIDE_LOCATION)
if(event_id != None):
new_post = EventPost(author_id, author_name, portrait, post_body, post_date,
privacy, post_location, event_id,
event_name, event_location, event_start, event_end)
elif(image_id != None):
new_post = ImagePost(author_id, author_name, portrait, post_body, post_date,
privacy, post_location, image_id)
else:
new_post = Post(author_id, author_name, portrait, post_body, post_date,
privacy, post_location, likes, liked)
new_post.post_id = post_id
replies = reply_dao.get_replies_by_post_id(post_id, current_user_id)
new_post.replies = replies
return new_post
def get_post_feed(current_user_id, current_location, range, limit, skip, max_id=None):
print limit
print skip
current_long = current_location.longitude
current_lat = current_location.latitude
cursor = handled_execute(db_conn, """
SELECT
postId, authorId, postBody, postDate, privacy, cityName, longitude, latitude,
eventId, eventName, eventLocation, eventStart, eventEnd,
imageId,
firstName, lastName, nickName, portrait, showLastName,
(SELECT COUNT(likes.likerId) FROM likes WHERE likes.postId = posts.postId GROUP BY likes.postId) AS likeCount,
(authorId IN (SELECT likerId FROM likes WHERE likes.postId = posts.postId)) AS liked,
(authorId IN (SELECT firstUserId FROM userFriends WHERE secondUserId = %(current_user_id)s)) AS requestPending,
(%(current_user_id)s IN (SELECT firstUserId FROM userFriends WHERE secondUserId = authorId)) AS requestSent,
(authorId IN (SELECT firstUserId FROM userFollows WHERE secondUserId = %(current_user_id)s)) AS follower,
(%(current_user_id)s IN (SELECT firstUserId FROM userFollows WHERE secondUserId = authorId)) AS following
FROM posts LEFT JOIN users ON posts.authorId = users.userId
WHERE sqrt((longitude - %(current_long)s) ^ 2 + (latitude - %(current_lat)s) ^ 2) < %(range)s
AND (privacy != 'friends' OR authorId=%(current_user_id)s
OR (authorId IN (SELECT firstUserId FROM userFriends WHERE secondUserId = %(current_user_id)s)
AND %(current_user_id)s IN (SELECT firstUserId FROM userFriends WHERE secondUserId = authorId)))
AND (%(max_id)s IS NULL OR postId <= %(max_id)s)
ORDER BY postId DESC
LIMIT %(limit)s OFFSET %(skip)s;""", {
"current_long" : current_long, "current_lat" : current_lat, "range" : range, "current_user_id" : current_user_id,
"max_id" : max_id, "limit" : limit, "skip" : skip
})
post_rows = cursor.fetchall()
post_objects = []
post_ids = []
for row in post_rows:
(post_id, author_id, post_body, post_date, privacy, city_name,
longitude, latitude, event_id, event_name, event_location, event_start,
event_end, image_id, first_name, last_name, nick_name, portrait, show_last_name,
likes, liked, request_pending, request_sent, follower, following) = row
if likes == None:
likes = 0
are_friends = request_pending and request_sent
author_name = build_name(first_name, nick_name, last_name, are_friends, show_last_name)
post_location = build_location(longitude, latitude, city_name, are_friends, privacy != POST_PRIVACY.HIDE_LOCATION)
if(event_id != None):
new_post = EventPost(author_id, author_name, portrait, post_body, post_date,
privacy, post_location, event_id,
event_name, event_location, event_start, event_end)
elif(image_id != None):
new_post = ImagePost(author_id, author_name, portrait, post_body, post_date,
privacy, post_location, image_id)
else:
new_post = Post(author_id, author_name, portrait, post_body, post_date,
privacy, post_location, likes, liked)
new_post.post_id = post_id
new_post.replies = build_replies(post_ids, post_objects, current_user_id)
post_ids.append(post_id)
post_objects.append(new_post)
build_replies(post_ids, post_objects, current_user_id)
return post_objects