def lambda_handler(event, context):
try:
if event['like'] == 1:
result = add_item_by_attrs("UserLike", 'PostId', event['postid'],
'UserId', event['userid'])
if result == True:
result = increase1_table_item("Post", "PostId",
event['postid'])
response = getResultMultiple(result['Attributes'])
else:
response = getResultError("User already liked this post")
else:
result = delete_item_by_attrs("UserLike", "PostId",
event['postid'], "UserId",
event['userid'])
if result == True:
result = decrease1_table_item("Post", "PostId",
event['postid'])
response = getResultMultiple(result['Attributes'])
else:
response = getResultError("User didn't like this post")
except Exception, e:
print(e)
raise e
def lambda_handler(event, context):
data=getFolloweesDataByUserId(event['userid'])
if data['Count'] > 0:
posts=getPostsByFollowees(data['Items'], event['limit'])
posts=updatePostLikesAttr(posts, event['userid'])
response=getResultMultiple(posts)
else:
response=getResultMultiple([])
return response
def lambda_handler(event, context):
try:
if (len(event['value'])) <= 1:
response = getResultError(
"Search value must be more than 3 characters")
return response
if (event['key'] == 'Password'):
response = getResultMultiple([])
return response
data = scan_table("User", event['key'], event['value'])
result = extractInfo(data['Items'])
response = getResultMultiple(result)
except Exception, e:
response = getResultError(str(e))
def lambda_handler(event, context):
data = get_items("User_Likes_Rank_Analysis", None, None)
ranks = data['Items']
ranks.sort(key=convert, reverse=False)
if len(ranks) >= event['limit']:
ranks = ranks[:event['limit']]
users = getUsersByRanks(ranks)
response = getResultMultiple(users)
return response
def lambda_handler(event, context):
try:
if event['follow'] == 1:
result = add_item_by_attrs("Follow", 'Follower', event['follower'],
'Followee', event['followee'])
if result == True:
response = getResultMultiple([])
else:
response = getResultError(
"User already followed the target user")
else:
result = delete_item_by_attrs("Follow", "Follower",
event['follower'], "Followee",
event['followee'])
if result == True:
response = getResultMultiple([])
else:
response = getResultError("User didn't follow the target user")
except Exception, e:
print(e)
raise e
def lambda_handler(event, context):
posts = getPosts(event['limit'])
posts = updatePostLikesAttr(posts, event['userid'])
response = getResultMultiple(posts)
return response
def lambda_handler(event, context):
filtering_exp = Attr('Follower').eq(event['userid'])
projection_exp = 'Followee'
data = get_items("Follow", filtering_exp, projection_exp)
response = getResultMultiple(data['Items'])
return response