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click.py
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click.py
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from airbrakepy.logging.handlers import AirbrakeHandler
from config import SETTINGS, pg_connect
from datetime import datetime, timedelta
import facebook
import json
import logging
import psycopg2
import redis
import scraper
import sys
import uuid as uuid_mod
# initialize logger
logging.basicConfig()
logger = logging.getLogger('click')
if SETTINGS['PYTHON_ENV'] == 'development' or SETTINGS['PYTHON_ENV'] == 'test':
logger.setLevel(logging.DEBUG)
else:
logger.setLevel(logging.INFO)
handler = AirbrakeHandler(SETTINGS['AIRBRAKE_API_KEY'], environment=SETTINGS['PYTHON_ENV'], component_name='click', node_name='data25c')
handler.setLevel(logging.ERROR)
logger.addHandler(handler)
# initialize postgres connections
pg_data = pg_connect(SETTINGS['DATABASE_URL'])
pg_web = pg_connect(SETTINGS['DATABASE_WEB_URL'])
# initialize redis connections
redis_data = redis.StrictRedis.from_url(SETTINGS['REDIS_URL'])
redis_web = redis.StrictRedis.from_url(SETTINGS['REDIS_WEB_URL'])
def validate_click(uuid, user_uuid, button_uuid, url, comment_uuid, referrer_user_uuid):
cursor = None
try:
pg_web.autocommit = True
cursor = pg_web.cursor()
# validate user uuid
cursor.execute("SELECT id, facebook_uid FROM users WHERE LOWER(uuid) = LOWER(%s)", (user_uuid,))
result = cursor.fetchone()
if result is None:
logger.warn(uuid + ':invalid user_uuid=' + user_uuid)
return
user_id = result[0]
facebook_uid = result[1]
# validate button uuid
cursor.execute("SELECT buttons.id, user_id, nickname, share_users FROM buttons JOIN users ON users.id=buttons.user_id WHERE LOWER(buttons.uuid) = LOWER(%s)", (button_uuid,))
result = cursor.fetchone()
if result is None:
logger.warn(uuid + ':invalid button_uuid=' + button_uuid)
return
# drop click if user is clicking on own button!
button_id = result[0]
button_user_id = result[1]
button_user_nickname = result[2]
share_users = result[3]
if user_id == button_user_id:
logger.warn(uuid + ':invalid user_uuid=' + user_uuid + ' is owner of button_uuid=' + button_uuid)
return
# validate url
url_id = None
url_uuid = None
if url is not None:
cursor_data = None
try:
pg_data.autocommit = True
cursor_data = pg_data.cursor()
cursor_data.execute("SELECT id, uuid FROM urls WHERE url=%s", (url,))
result = cursor_data.fetchone()
if result is None:
# insert and enqueue for scrape
url_uuid = uuid_mod.uuid4().hex
now = datetime.utcnow()
cursor_data.execute("INSERT INTO urls (uuid, url, created_at, updated_at) VALUES (%s, %s, %s, %s) RETURNING id, uuid", (url_uuid, url, now, now))
result = cursor_data.fetchone()
scraper.enqueue_url(url)
url_id = result[0]
url_uuid = result[1]
finally:
pg_data.autocommit = False
if cursor_data is not None:
cursor_data.close()
# validate comment uuid, if present
comment_id = None
comment_user_id = None
if comment_uuid is not None:
cursor_data = None
try:
pg_data.autocommit = True
cursor_data = pg_data.cursor()
cursor_data.execute("SELECT id, user_id FROM comments WHERE LOWER(uuid)=LOWER(%s)", (comment_uuid,))
result = cursor_data.fetchone()
if result is not None:
comment_id = result[0]
comment_user_id = result[1]
else:
logger.warn(uuid + ':invalid comment_uuid=' + str(comment_uuid))
finally:
pg_data.autocommit = False
if cursor_data is not None:
cursor_data.close()
# validate referrer user uuid, if present
referrer_user_id = None
if referrer_user_uuid is not None:
cursor.execute("SELECT id FROM users WHERE LOWER(uuid) = LOWER(%s)", (referrer_user_uuid,))
result = cursor.fetchone()
if result is not None:
referrer_user_id = result[0]
else:
logger.warn(uuid + ':invalid referrer_user_uuid=' + referrer_user_uuid)
# see if a rev share has been set up
share = None
if share_users is not None and share_users != '':
try:
share = json.loads(share_users)
except:
logger.exception(uuid + ':invalid button revenue share')
pass
# return user/button/referrer ids
return (user_id, facebook_uid, button_id, url_id, url_uuid, comment_id, comment_user_id, referrer_user_id, button_user_id, button_user_nickname, share)
finally:
if cursor is not None:
cursor.close()
pg_web.autocommit = False
def update_click(uuid, user_id, facebook_uid, button_id, button_user_id, button_user_nickname, comment_id, comment_user_id, comment_text, comment_pseudonym, amount, created_at):
xid_data = uuid + '-' + str(created_at) + '-update-click'
xid_web = uuid + '-' + str(created_at) + '-update-user'
data_cursor = None
web_cursor = None
try:
# start tpc transaction on data and web
pg_data.tpc_begin(xid_data)
data_cursor = pg_data.cursor()
pg_web.tpc_begin(xid_web)
web_cursor = pg_web.cursor()
# update comment, if applicable
if comment_id is not None and user_id == comment_user_id and comment_text is not None:
data_cursor.execute("UPDATE comments SET content=%s, pseudonym=%s, updated_at=%s WHERE id=%s", (comment_text, comment_pseudonym, datetime.utcnow(), comment_id))
# get previous value
data_cursor.execute("SELECT id, state, amount, amount_paid, amount_free, share_users, fb_action_id, url_id, created_at FROM clicks WHERE LOWER(uuid)=LOWER(%s) FOR UPDATE", (uuid, ))
result = data_cursor.fetchone()
if result is None:
raise Exception(uuid + ':click not found')
click_id = result[0]
state = result[1]
if state != 'given':
raise Exception(uuid + ':click already state=' + str(state))
old_amount = result[2]
amount_paid = old_amount_paid = result[3]
amount_free = old_amount_free = result[4]
share_users = result[5]
fb_action_id = result[6]
url_id = result[7]
old_created_at = result[8]
# check if newer than this
if old_created_at > created_at:
raise Exception(uuid + ':out of order message dropped')
# check if within 1 hour grace period
if old_created_at < (datetime.utcnow() - timedelta(hours=1)):
raise Exception(uuid + ':past edit/undo grace period for update')
# check if this is a comment tip, and if we need to cascade an undo to subsequent comment promotion tips
cascade_undo_uuids = []
fb_action = 'promote'
if comment_id is not None:
# check if this is the original commenter
data_cursor.execute("SELECT click_id FROM comments WHERE id=%s", (comment_id,))
result = data_cursor.fetchone()
if result is None:
raise Exception(uuid + ':click comment not found')
if result[0] == click_id:
fb_action = 'give_to'
if amount == 0 and old_amount > 0:
# fetch all the click uuids to undo
data_cursor.execute("SELECT uuid FROM clicks WHERE comment_id=%s AND id<>%s", (comment_id, click_id))
for result in data_cursor:
cascade_undo_uuids.append(result[0])
# check if we need to delete/re-publish facebook action
if fb_action_id is not None:
if delete_facebook_action(uuid, fb_action_id):
fb_action_id = None
if amount > 0 and facebook_uid is not None and fb_action_id is None:
data_cursor.execute("SELECT urls.uuid, comments.uuid FROM clicks LEFT JOIN urls ON clicks.url_id=urls.id LEFT JOIN comments ON clicks.comment_id=comments.id WHERE clicks.id=%s", (click_id,))
result = data_cursor.fetchone()
if result is None:
raise Exception(uuid + ':click url and comment not found')
url_uuid = result[0]
comment_uuid = result[1]
fb_action_id = publish_facebook_action(facebook_uid, fb_action, amount, url_uuid, comment_uuid)
# get the user's paid/free balances
web_cursor.execute("SELECT uuid, balance_paid, balance_free, total_given FROM users WHERE id=%s FOR UPDATE", (user_id,))
result = web_cursor.fetchone()
if result is None:
raise Exception(uuid + ':invalid user_id=' + user_id)
user_uuid = result[0]
balance_paid = old_balance_paid = result[1]
balance_free = old_balance_free = result[2]
total_given = result[3] - old_amount + amount
# calculate new paid/free amounts
if old_amount < amount:
amount_diff = amount - old_amount
# check if free credit available to handle additional amount
amount_free_diff = min(balance_free, amount_diff)
amount_paid_diff = amount_diff - amount_free_diff
amount_paid += amount_paid_diff
amount_free += amount_free_diff
balance_free -= amount_free_diff
balance_paid -= amount_paid_diff
elif old_amount > amount:
amount_diff = old_amount - amount
# check paid credit to refund first
amount_paid_diff = min(amount_paid, amount_diff)
amount_free_diff = amount_diff - amount_paid_diff
amount_paid -= amount_paid_diff
amount_free -= amount_free_diff
balance_paid += amount_paid_diff
balance_free += amount_free_diff
# check if balance is sufficient for amount
if balance_paid < 0:
raise Exception("%s: insufficient balance (free=%s, paid=%s) for amount=%s" % (uuid, old_balance_free + old_amount_paid, old_balance_paid + old_amount_paid, amount))
# update click
data_cursor.execute("UPDATE clicks SET amount=%s, amount_paid=%s, amount_free=%s, fb_action_id=%s, updated_at=%s WHERE id=%s", (amount, amount_paid, amount_free, fb_action_id, datetime.utcnow(), click_id))
if share_users is not None:
# iterate over and update share amount
try:
share_users = json.loads(share_users)
remainder = 100
for share in share_users:
data_cursor.execute("UPDATE clicks SET amount=%s, amount_paid=%s, amount_free=%s, updated_at=%s WHERE parent_click_id=%s AND receiver_user_id=%s", (amount*share['share_amount']/100, amount_paid*share['share_amount']/100, amount_free*share['share_amount']/100, datetime.utcnow(), click_id, share['user']))
remainder -= share['share_amount']
data_cursor.execute("UPDATE clicks SET amount=%s, amount_paid=%s, amount_free=%s, updated_at=%s WHERE parent_click_id=%s AND receiver_user_id=%s", (amount*remainder/100, amount_paid*remainder/100, amount_free*remainder/100, datetime.utcnow(), click_id, button_user_id))
except ValueError:
logger.exception(uuid + ': could not parse revenue share definition')
# update user balance
web_cursor.execute("UPDATE users SET balance_paid=%s, balance_free=%s, total_given=%s, updated_at=%s WHERE id=%s", (balance_paid, balance_free, total_given, datetime.utcnow(), user_id))
# prepare tpc transaction
data_cursor.close()
data_cursor = None
pg_data.tpc_prepare()
# prepare tpc transaction on web
web_cursor.close()
web_cursor = None
pg_web.tpc_prepare()
try:
# finally, try to commit both
pg_web.tpc_commit()
try:
pg_data.tpc_commit()
try:
logger.info(uuid + ':click updated, balance_paid=' + str(balance_paid) + ', balance_free=' + str(balance_free) + ' for user_uuid=' + user_uuid)
# if any other clicks to undo, process them now
for uuid in cascade_undo_uuids:
undo_click(uuid)
# update redis widget data cache
(widget_type, before, after) = update_widget(button_id, url_id)
# send widget notifications
send_widget_notifications(widget_type, button_id, url_id, before, after)
except:
logger.exception(uuid + ':unexpected exception after successful commits')
except:
logger.exception(uuid + ':MANUAL ROLLBACK AND DB CONSISTENCY FIX REQUIRED')
except:
e = sys.exc_info()[1]
logger.exception(uuid + ':' + str(e))
# rollback
pg_web.tpc_rollback()
pg_data.tpc_rollback()
except:
e = sys.exc_info()[1]
logger.exception(uuid + ':' + str(e))
# close cursors and rollback
if data_cursor is not None:
data_cursor.close()
pg_data.tpc_rollback()
if web_cursor is not None:
web_cursor.close()
pg_web.tpc_rollback()
def undo_click(uuid):
user_id = None
button_id = None
try:
pg_data.autocommit = True
cursor = pg_data.cursor()
# get user id and button id from click
cursor.execute("SELECT user_id, button_id FROM clicks WHERE LOWER(uuid) = LOWER(%s)", (uuid,))
result = cursor.fetchone()
if result is None:
logger.warn(uuid + ':invalid, not found')
return
user_id = result[0]
button_id = result[1]
finally:
cursor.close()
pg_data.autocommit = False
if user_id is not None and button_id is not None:
try:
pg_web.autocommit = True
cursor = pg_web.cursor()
# get button user id and nickname
cursor.execute("SELECT user_id, nickname FROM buttons JOIN users ON users.id=buttons.user_id WHERE buttons.id=%s", (button_id,))
result = cursor.fetchone()
if result is None:
raise Exception(uuid + ': could not look up button user id and nickname')
button_user_id = result[0]
button_user_nickname = result[1]
# get user facebook uid, if any
cursor.execute("SELECT facebook_uid FROM users WHERE id=%s", (user_id,))
result = cursor.fetchone()
if result is None:
raise Exception(uuid + ': could not look up user facebook uid')
facebook_uid = result[0]
finally:
cursor.close()
pg_web.autocommit = False
if button_user_id is not None:
update_click(uuid, user_id, facebook_uid, button_id, button_user_id, button_user_nickname, None, None, None, None, 0, datetime.utcnow())
def insert_click(uuid, user_uuid, button_uuid, url, comment_uuid, comment_text, comment_pseudonym, referrer_user_uuid, amount, ip_address, user_agent, referrer, created_at):
ids = validate_click(uuid, user_uuid, button_uuid, url, comment_uuid, referrer_user_uuid)
if ids is None:
return
user_id = ids[0]
facebook_uid = ids[1]
button_id = ids[2]
url_id = ids[3]
url_uuid = ids[4]
comment_id = ids[5]
comment_user_id = ids[6]
referrer_user_id = ids[7]
button_user_id = ids[8]
button_user_nickname = ids[9]
share_users = ids[10]
# check if click already exists
found = False
try:
data_cursor = pg_data.cursor()
data_cursor.execute("SELECT id FROM clicks WHERE LOWER(uuid)=LOWER(%s)", (uuid,))
result = data_cursor.fetchone()
found = result is not None
finally:
pg_data.commit()
if found:
update_click(uuid, user_id, facebook_uid, button_id, button_user_id, button_user_nickname, comment_id, comment_user_id, comment_text, comment_pseudonym, amount, created_at)
return
xid_data = uuid + '-' + str(created_at) + '-insert-click'
xid_web = uuid + '-' + str(created_at) + '-insert-user'
data_cursor = None
web_cursor = None
try:
# update user balance
pg_web.tpc_begin(xid_web)
web_cursor = pg_web.cursor()
# check and update balance
web_cursor.execute("SELECT uuid, balance_paid, balance_free, total_given FROM users WHERE id=%s FOR UPDATE", (user_id,))
result = web_cursor.fetchone()
if result is None:
raise Exception(uuid + ':invalid user_id=' + user_id)
user_uuid = result[0]
balance_free = result[2]
balance_paid = result[1]
total_given = result[3]
# check if balance is sufficient for amount
if amount > (balance_free + balance_paid):
raise Exception("%s: insufficient balance (free=%s, paid=%s) for amount=%s" % (uuid, balance_free, balance_paid, amount))
# add to the total amount
total_given += amount
# calculate amount paid/free
amount_free = 0
amount_paid = amount
# use any free points available
if balance_free > 0:
amount_free = min(balance_free, amount)
amount_paid = amount - amount_free
# adjust corresponding balances
balance_free -= amount_free
balance_paid -= amount_paid
web_cursor.execute("UPDATE users SET balance_paid=%s, balance_free=%s, total_given=%s, updated_at=%s WHERE id=%s", (balance_paid, balance_free, total_given, datetime.utcnow(), user_id))
web_cursor.close()
web_cursor = None
# prepare tpc transaction on web
pg_web.tpc_prepare()
try:
# start tpc transaction on data
pg_data.tpc_begin(xid_data)
data_cursor = pg_data.cursor()
# attempt insert
if share_users is None:
# no share, so just insert this click with the button owner as the receiver of the full amount
data_cursor.execute("INSERT INTO clicks (uuid, user_id, button_id, url_id, comment_id, receiver_user_id, amount, amount_paid, amount_free, referrer_user_id, ip_address, user_agent, referrer, created_at, updated_at) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s) RETURNING id", (uuid, user_id, button_id, url_id, comment_id, button_user_id, amount, amount_paid, amount_free, referrer_user_id, ip_address, user_agent, referrer, created_at, datetime.utcnow()))
result = data_cursor.fetchone()
click_id = result[0]
else:
# first insert the click with the full amount and no receiver- this will be the parent click
data_cursor.execute("INSERT INTO clicks (uuid, user_id, button_id, url_id, comment_id, receiver_user_id, amount, amount_paid, amount_free, referrer_user_id, ip_address, user_agent, referrer, share_users, created_at, updated_at) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s) RETURNING id", (uuid, user_id, button_id, url_id, comment_id, None, amount, amount_paid, amount_free, referrer_user_id, ip_address, user_agent, referrer, json.dumps(share_users), created_at, datetime.utcnow()))
result = data_cursor.fetchone()
click_id = result[0]
# create a click for each user in the share, giving them their amount
remainder = 100
for share in share_users:
data_cursor.execute("INSERT INTO clicks (uuid, parent_click_id, user_id, button_id, url_id, receiver_user_id, amount, amount_paid, amount_free, referrer_user_id, ip_address, user_agent, referrer, created_at, updated_at) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s) RETURNING id", (str(uuid_mod.uuid4()), click_id, user_id, button_id, url_id, share['user'], amount * share['share_amount'] / 100.0, amount_paid * share['share_amount'] / 100.0, amount_free * share['share_amount'] / 100.0, referrer_user_id, ip_address, user_agent, referrer, created_at, datetime.utcnow()))
remainder -= share['share_amount']
# finally, give the remainder to the button owner
data_cursor.execute("INSERT INTO clicks (uuid, parent_click_id, user_id, button_id, url_id, receiver_user_id, amount, amount_paid, amount_free, referrer_user_id, ip_address, user_agent, referrer, created_at, updated_at) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s) RETURNING id", (str(uuid_mod.uuid4()), click_id, user_id, button_id, url_id, button_user_id, amount * remainder / 100.0, amount_paid * remainder / 100.0, amount_free * remainder / 100.0, referrer_user_id, ip_address, user_agent, referrer, created_at, datetime.utcnow()))
# insert comment, if any
fb_action = 'promote'
if comment_id is None and comment_text is not None:
fb_action = 'give_to'
# insert
now = datetime.utcnow()
data_cursor.execute("INSERT INTO comments (uuid, user_id, button_id, url_id, click_id, content, pseudonym, created_at, updated_at) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s) RETURNING id", (comment_uuid, user_id, button_id, url_id, click_id, comment_text, comment_pseudonym, now, now))
result = data_cursor.fetchone()
comment_id = result[0]
# update click with comment id
data_cursor.execute("UPDATE clicks SET comment_id=%s WHERE id=%s", (comment_id, click_id))
logger.info(uuid + ':inserted')
# check if a title exists for the referrer url, if any
data_cursor.execute("SELECT updated_at FROM urls WHERE url=%s", (referrer,))
result = data_cursor.fetchone()
title_updated_at = None
if result is not None:
title_updated_at = result[0]
# prepare tpc transaction
data_cursor = None
pg_data.tpc_prepare()
# finally, try to commit both
pg_data.tpc_commit()
try:
pg_web.tpc_commit()
try:
logger.info(uuid + ':click inserted, balance_paid=' + str(balance_paid) + ', balance_free=' + str(balance_free) + ' for user_uuid=' + user_uuid)
# enqueue url scrape on referrer if necessary
# TODO also enqueue if older than a certain age
if title_updated_at is None:
scraper.enqueue_url(referrer)
# publish a facebook timeline action, if connected, and save resulting id with click
if facebook_uid is not None:
fb_action_id = publish_facebook_action(facebook_uid, fb_action, amount, url_uuid, comment_uuid)
if fb_action_id is not None:
try:
data_cursor = pg_data.cursor()
data_cursor.execute("UPDATE clicks SET fb_action_id=%s WHERE id=%s", (fb_action_id, click_id))
except:
logger.exception(uuid + ':unable to store fb_action_id, deleting')
delete_facebook_action(uuid, fb_action_id)
finally:
data_cursor = None
pg_data.commit()
# send first and second click emails
cursor = pg_data.cursor()
cursor.execute("SELECT COUNT(*) FROM clicks WHERE user_id = %s AND parent_click_id IS NULL", (user_id,))
result = cursor.fetchone()
logger.warn(str(result[0]) + ' clicks for this user')
cursor.close();
pg_data.commit()
if result[0] == 1:
logger.warn('sending first click email for user ' + str(user_id))
send_new_user_FirstClick_email(user_id, url_id)
elif result[0] == 2:
logger.warn('sending second click email for user ' + str(user_id))
send_new_user_SecondClick_email(user_id, url_id)
# update redis widget data cache
(widget_type, before, after) = update_widget(button_id, url_id)
# send widget notifications
send_widget_notifications(widget_type, button_id, url_id, before, after)
# send email for comment promotion
if comment_id is not None and comment_text is None and user_id != comment_user_id:
# find position of comment
position = 1
for comment in after:
if comment['uuid'] == comment_uuid:
break
position += 1
send_testimonial_promoted_email(comment_id, user_id, amount, position)
except:
logger.exception(uuid + ':unexpected exception after successful commits')
except:
logger.exception(uuid + ':MANUAL ROLLBACK AND DB CONSISTENCY FIX REQUIRED')
except psycopg2.IntegrityError:
# this should only be happening on duplicate uuid, update
logger.warn(uuid + ':exists, will update')
pg_data.tpc_rollback()
pg_web.tpc_rollback()
update_click(uuid, user_id, facebook_uid, button_id, button_user_id, button_user_nickname, comment_id, comment_user_id, comment_text, comment_pseudonym, amount, created_at)
except:
logger.exception(uuid + ':unexpected exception, rolling back')
# rollback
pg_data.tpc_rollback()
pg_web.tpc_rollback()
except:
logger.exception(uuid + ':unexpected exception, rolling back')
# rollback
pg_web.tpc_rollback()
def insert_title(url, title):
try:
now = datetime.utcnow()
data_cursor = pg_data.cursor()
data_cursor.execute("INSERT INTO urls (uuid, url, title, updated_at, created_at) VALUES (%s, %s, %s, %s, %s)", (uuid_mod.uuid4().hex, url, title, now, now))
except psycopg2.IntegrityError:
pg_data.commit()
data_cursor.execute("UPDATE urls SET title=%s, updated_at=%s WHERE url=%s", (title, now, url))
except:
logger.exception("Unable to insert (url, title)=(%s, %s)", url, title)
finally:
data_cursor.close()
pg_data.commit()
def publish_facebook_action(facebook_uid, fb_action, amount, url_uuid, comment_uuid):
logger.info("%s %s %s %s %s" % (facebook_uid, fb_action, amount, url_uuid, comment_uuid))
if SETTINGS['PYTHON_ENV'] == 'test':
return
graph = facebook.GraphAPI(SETTINGS['FACEBOOK_APP_TOKEN'])
fb_action_id = None
try:
result = graph.put_object(facebook_uid, SETTINGS['FACEBOOK_NAMESPACE'] + ':' + fb_action, webpage=SETTINGS['URL_BASE_WEB'] + '/webpages/' + url_uuid, points=amount, note=SETTINGS['URL_BASE_WEB'] + '/notes/' + comment_uuid)
fb_action_id = result['id']
except:
logger.exception('unable to publish facebook action')
return fb_action_id
def delete_facebook_action(uuid, fb_action_id):
if id is not None:
graph = facebook.GraphAPI(SETTINGS['FACEBOOK_APP_TOKEN'])
try:
graph.delete_object(fb_action_id)
return True
except:
logger.exception(uuid + ':could not delete Facebook action with fb_action_id=' + str(fb_action_id))
return False
def send_fund_reminder_email(user_id):
data = { 'class': 'UserMailer', 'args':[ 'fund_reminder', user_id ] }
redis_web.rpush('resque:queue:mailer', json.dumps(data))
def send_new_position_in_fanbelt_email(user_uuid, url_id, prev_pos, cur_pos):
data = { 'class': 'UserMailer', 'args':[ 'new_position_in_fanbelt', user_uuid, url_id, prev_pos, cur_pos ] }
redis_web.rpush('resque:queue:mailer', json.dumps(data))
def send_new_position_in_testimonial_email(comment_uuid, prev_pos, cur_pos):
data = { 'class': 'CommentMailer', 'args':[ 'new_position_in_testimonial', comment_uuid, prev_pos, cur_pos ] }
redis_web.rpush('resque:queue:mailer', json.dumps(data))
def send_new_user_FirstClick_email(user_id, url_id):
data = { 'class': 'UserMailer', 'args':[ 'new_user_FirstClick', user_id, url_id ] }
redis_web.rpush('resque:queue:mailer', json.dumps(data))
def send_new_user_SecondClick_email(user_id, url_id):
data = { 'class': 'UserMailer', 'args':[ 'new_user_SecondClick', user_id, url_id ] }
redis_web.rpush('resque:queue:mailer', json.dumps(data))
def send_testimonial_promoted_email(comment_id, tipper_user_id, amount, position):
data = { 'class': 'CommentMailer', 'args':[ 'testimonial_promoted', comment_id, tipper_user_id, amount, position ] }
redis_web.rpush('resque:queue:mailer', json.dumps(data))
def send_new_unmoderated_comment_email(user_id, tipper_id, comment_id, url_title, promoted_amount):
data = { 'class': 'UserMailer', 'args':[ 'new_unmoderated_comment', user_id, tipper_id, comment_id, url_title, promoted_amount ] }
redis_web.rpush('resque:queue:mailer', json.dumps(data))
def send_widget_notifications(widget_type, widget_id, url_id, before, after):
if widget_type == 'testimonials':
new_position = 1
for comment in after:
# look for comment in before state for previous position
found = False
prev_position = 1
if before is not None:
for prev_comment in before:
if prev_comment['uuid'] == comment['uuid']:
found = True
break
prev_position += 1
if not found:
prev_position = -1
# send new position email if changed
if prev_position != new_position:
send_new_position_in_testimonial_email(comment['uuid'], prev_position, new_position)
new_position += 1
elif widget_type == 'fan_belt':
new_position = 1
for user in after:
# look for user in before state for previous position
found = False
prev_position = 1
if before is not None:
for prev_user in before:
if prev_user['uuid'] == user['uuid']:
found = True
break
prev_position += 1
if not found:
prev_position = -1
if prev_position != new_position:
send_new_position_in_fanbelt_email(user['uuid'], url_id, prev_position, new_position)
new_position += 1
prev_position = 1
for user in before:
# check if user was pushed out
found = False
for new_user in after:
if new_user['uuid'] == user['uuid']:
found = True
break
if not found:
send_new_position_in_fanbelt_email(user['uuid'], url_id, prev_position, -1)
prev_position += 1
def update_widget(widget_id, url_id):
if url_id is None:
return (None, None, None)
web_cursor = None
data_cursor = None
try:
web_cursor = pg_web.cursor()
web_cursor.execute("SELECT uuid,widget_type FROM buttons WHERE id=%s", (widget_id,))
result = web_cursor.fetchone()
if result is None:
raise Exception("Widget not found")
widget_uuid = result[0]
widget_type = result[1]
data_cursor = pg_data.cursor()
data_cursor.execute("SELECT url FROM urls WHERE id=%s", (url_id,))
result = data_cursor.fetchone()
if result is None:
raise Exception("URL not found with url_id=%s" % (url_id,))
url = result[0]
before = None
data = None
if widget_type == 'testimonials':
data = []
comments = {}
users = {}
comment_ids = set()
user_ids = set()
# fetch all tips for comments in this widget, collecting the user ids and comment ids in the process
data_cursor.execute("SELECT clicks.comment_id,clicks.user_id,SUM(clicks.amount),MIN(clicks.created_at) FROM clicks JOIN comments ON clicks.comment_id=comments.id WHERE clicks.button_id=%s AND clicks.url_id=%s AND clicks.amount>0 AND comments.blocked=FALSE GROUP BY clicks.comment_id,clicks.user_id", (widget_id, url_id))
for result in data_cursor:
comment_id = result[0]
user_id = result[1]
amount = result[2]
created_at = result[3]
comment_ids.add(comment_id)
user_ids.add(user_id)
if comment_id not in comments:
comments[comment_id] = { 'amount':0, 'promoters':[] }
comments[comment_id]['amount'] += long(amount)
comments[comment_id]['promoters'].append({'id':user_id, 'amount':long(amount), 'created_at':created_at})
# now fetch comment data
if len(comment_ids) > 0:
data_cursor.execute("SELECT id,uuid,user_id,content,pseudonym,created_at FROM comments WHERE id IN %s", (tuple(comment_ids),))
for result in data_cursor:
comment_id = result[0]
comments[comment_id]['uuid'] = result[1]
comments[comment_id]['owner_id'] = result[2]
comments[comment_id]['content'] = result[3]
comments[comment_id]['pseudonym'] = result[4]
comments[comment_id]['created_at'] = result[5]
# now fetch user data
web_cursor.execute("SELECT id,uuid,first_name,last_name FROM users WHERE id IN %s", (tuple(user_ids),))
for result in web_cursor:
user_id = result[0]
users[user_id] = { 'uuid':result[1], 'name':result[2] + ' ' + result[3] }
# now combine and sort
for comment_id in comments:
comment = comments[comment_id]
# remove owner from promoters list
comment['promoters'] = [promoter for promoter in comment['promoters'] if promoter['id'] != comment['owner_id']]
# remove owner id from metadata
comment['owner'] = users[comment['owner_id']]
del comment['owner_id']
# replace owner uuid and name with pseudonym, if set
pseudonym = comment['pseudonym']
del comment['pseudonym']
if pseudonym is not None and not pseudonym.isspace():
comment['owner'] = comment['owner'].copy()
comment['owner']['name'] = pseudonym
comment['owner']['uuid'] = None
# set uuid and name for each promoter, remove id
for promoter in comment['promoters']:
user = users[promoter['id']]
promoter['uuid'] = user['uuid']
promoter['name'] = user['name']
del promoter['id']
# sort by amount, date
comment['promoters'].sort(key=lambda x: (-x['amount'],x['created_at']))
# add to final list
data.append(comment)
# sort final list by amount, date
data.sort(key=lambda x: (-x['amount'],x['created_at']))
# serialize and store
before = redis_data.getset("%s:%s" % (widget_uuid,url), json.dumps(data, default= lambda obj: obj.isoformat() if isinstance(obj, datetime) else None))
# return data for notification comparison
if before is not None:
before = json.loads(before)
else:
before = []
elif widget_type == 'fan_belt':
# fetch top 5 users for this fan belt
data_cursor.execute("SELECT user_id,SUM(amount) AS total_amount,MIN(created_at) AS first_created_at FROM clicks WHERE button_id=%s AND url_id=%s AND amount>0 GROUP BY user_id ORDER BY total_amount DESC, first_created_at ASC LIMIT 5", (widget_id, url_id))
data = []
user_ids = []
for result in data_cursor:
user_ids.append(result[0])
data.append({ 'id':result[0], 'amount':long(result[1]), 'created_at':result[2] })
if len(user_ids) > 0:
# get detailed user data
users = {}
web_cursor.execute("SELECT id,uuid,first_name,last_name FROM users WHERE id IN %s", (tuple(user_ids),))
for result in web_cursor:
user_id = result[0]
users[user_id] = { 'uuid':result[1], 'name':result[2] + ' ' + result[3] }
# combine
for user in data:
user['uuid'] = users[user['id']]['uuid']
user['name'] = users[user['id']]['name']
del user['id']
before = redis_data.getset("%s:%s" % (widget_uuid,url), json.dumps(data, default= lambda obj: obj.isoformat() if isinstance(obj, datetime) else None))
if before is not None:
before = json.loads(before)
else:
before = []
return (widget_type, before, data)
except:
logger.exception("Unexpected error updating widget with button_id=%s" % (widget_id,))
finally:
if web_cursor is not None:
web_cursor.close()
pg_web.commit()
if data_cursor is not None:
data_cursor.close()
pg_data.commit()
def block_comment(uuid):
button_id = None
url_id = None
try:
data_cursor = pg_data.cursor()
data_cursor.execute("UPDATE comments SET blocked=TRUE WHERE LOWER(uuid)=LOWER(%s) RETURNING button_id, url_id", (uuid,))
result = data_cursor.fetchone()
if result is None:
raise Exception
button_id = result[0]
url_id = result[1]
except:
logger.exception("Unexpected error blocking commment with uuid=%s", uuid)
finally:
pg_data.commit()
# update data cache
if button_id is not None and url_id is not None:
update_widget(button_id, url_id)