def lambda_handler(event, context):
# TODO implement
dynamodb = boto3.resource("dynamodb")
print(event)
if event['queryStringParameters']['userID']:
userId = event['queryStringParameters']['userID']
attributes_to_get = ['userId', 'groupId']
entry = scan_dynamo([userId], "persons", attributes_to_get, "personId")
if entry:
groups = entry[0]['groupId']
attributes_to_get = ["documentIds"]
docIds = scan_dynamo(groups, "groups", attributes_to_get, "groupId")
docIds = [f["documentIds"] for f in docIds]
docIds = list(set(list(chain(*docIds))))
print(docIds)
else:
docIds = {}
elif event['queryStringParameters']['groupID']:
groupId = event['queryStringParameters']['groupID']
attributes_to_get = ['documentIds']
entry = scan_dynamo([groupId], "groups", attributes_to_get, "groupId")
if entry:
docIds = entry[0]['documentIds']
else:
docIds = []
print(docIds)
if docIds:
docTable = dynamodb.Table("documents")
attributes_to_get = ['documentId', 'name', 'description']
documents = scan_dynamo(docIds, "documents", attributes_to_get, "documentId")
else:
documents = []
return {
'statusCode': 200,
'body': json.dumps(documents),
'headers': {
"Access-Control-Allow-Origin": "*",
}
}
def getAccessIds(userId):
attributes_to_get = ['personId', 'groupId']
entry = scan_dynamo([userId], "persons", attributes_to_get, "personId")
groups = entry[0]['groupId']
print(groups)
if not groups:
return [], []
attributes_to_get = ['documentIds']
entry = scan_dynamo(groups, "groups", attributes_to_get, "groupId")
print(entry)
docIdListofLists = [doc['documentIds'] for doc in entry]
docIds = [docId for sublist in docIdListofLists for docId in sublist]
print("Document Ids: ", docIds)
if not docIds:
return [], []
attributes_to_get = ['pageIds']
entry = scan_dynamo(docIds, "documents", attributes_to_get, "documentId")
pageIdListofLists = [page['pageIds'] for page in entry]
pageIds = [pageId for sublist in pageIdListofLists for pageId in sublist]
print("PageIds: ", pageIds)
return docIds, pageIds
def lambda_handler(event, context):
pageId = event['queryStringParameters']['q']
dynamodb = boto3.resource("dynamodb")
docTable = dynamodb.Table("comments")
attributes_to_get = ['comment', 'time', 'userId']
comment_val = scan_dynamo([pageId], "comments", attributes_to_get,
"pageId")
peopleTable = dynamodb.Table('persons')
for entry in comment_val:
person = peopleTable.get_item(Key={"personId": entry['userId']})
entry['userName'] = person['Item']['name']
comment_val.sort(key=lambda x: x['time'], reverse=False)
# TODO implement
return {
'statusCode': 200,
'body': json.dumps(comment_val),
'headers': {
"Access-Control-Allow-Origin": "*",
}
}
def checkIfExist(personId):
persons = scan_dynamo([personId], 'persons', ['personId'], 'personId')
if persons:
return True
return False