Umang Mistry
267 lines
7.9 KiB
Python
267 lines
7.9 KiB
Python
import json
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import snowflake.connector
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"""
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Sample input event for Insert operation:
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{
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"operation": "insert",
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"data": {
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"BATCH_ID": 12345,
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"JOB_ID": "job_67890",
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"STAGE": "Preprocessing",
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"TEXTRACT_STATUS": "Pending",
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"BUCKET_NAME": "my-bucket",
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"FILE_NAME": "document.pdf",
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"FILE_PATH": "/path/to/document.pdf",
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"DOCUMENT_TYPE": "Type A",
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"PAYER_SIGNED": False,
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"PROVIDER_SIGNED": True,
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"GROUP_ID": "group_123",
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"CREATED_TIME": "2023-01-01 12:00:00",
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"MODIFIED_TIME": "2023-01-01 12:00:00",
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"CREATED_BY": "user_1",
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"MODIFIED_BY": "user_1",
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"ORIGINAL_FILE_EXTENSION": "pdf",
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"NO_OF_PAGES": 10,
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"FILE_SIZE": 204800
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}
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}
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Sample input event for Update operation:
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{
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"operation": "update",
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"data": {
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"DOCUMENT_ID": 1001,
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"TEXTRACT_STATUS": "Completed",
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"MODIFIED_TIME": "2023-01-02 13:00:00",
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"MODIFIED_BY": "user_2",
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"NO_OF_PAGES": 12,
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"FILE_SIZE": 304800
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}
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}
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Operation can be: 'insert' or 'update'
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Data is a dictionary with the columns and values to be inserted or updated
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"""
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def construct_doc_insert_sql(data):
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"""
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Constructs the SQL for an insert operation
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Sample return value:
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INSERT INTO STG.DOCUMENT_LOGS (BATCH_ID, JOB_ID, STAGE, TEXTRACT_STATUS, BUCKET_NAME, FILE_NAME, FILE_PATH, DOCUMENT_TYPE, PAYER_SIGNED, PROVIDER_SIGNED, GROUP_ID, CREATED_TIME, MODIFIED_TIME, CREATED_BY, MODIFIED_BY, ORIGINAL_FILE_EXTENSION, NO_OF_PAGES, FILE_SIZE)
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VALUES (101, 'J123456', 'Processing', 'Success', 'doc-bucket', 'file1.pdf', '/documents/2023/', 'Report', True, False, 'G100', '2024-03-21 10:00:00', '2024-03-21 10:00:00', 'admin', 'admin', 'pdf', 10, 1048576);
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"""
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columns = ', '.join(data.keys())
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values = ', '.join(["'" + str(value).replace("'", "''") + "'" if isinstance(value, str) else str(value) for value in data.values()])
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sql = f"INSERT INTO STG.DOCUMENT_LOGS ({columns}) VALUES ({values});"
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return sql
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def construct_doc_update_sql(data, document_id):
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"""
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Constructs the SQL for an update operation
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Sample return value:
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UPDATE STG.DOCUMENT_LOGS SET TEXTRACT_STATUS = 'Failed', MODIFIED_TIME = '2024-03-22 15:00:00', MODIFIED_BY = 'admin' WHERE DOCUMENT_ID = 1001;
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"""
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set_clauses = ', '.join([f"{key} = '" + str(value).replace("'", "''") + "'" if isinstance(value, str) else f"{key} = {value}" for key, value in data.items()])
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sql = f"UPDATE STG.DOCUMENT_LOGS SET {set_clauses} WHERE DOCUMENT_ID = {document_id};"
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return sql
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def construct_batch_insert_sql(data):
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"""
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Constructs the SQL for an insert operation
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Sample return value:
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INSERT INTO STG.BATCH_LOGS (CLIENT_ID, EXECUTION_START_TIME, NO_OF_DOCUMENTS, USER_NAME) VALUES ('C200', '2024-03-21 09:00:00', 150, 'batch_processor');
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"""
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columns = ', '.join(data.keys())
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values = ', '.join(["'" + str(value).replace("'", "''") + "'" if isinstance(value, str) else str(value) for value in data.values()])
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sql = f"INSERT INTO STG.BATCH_LOGS ({columns}) VALUES ({values});"
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return sql
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def construct_client_insert_sql(data):
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"""
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Constructs the SQL for an insert operation
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Sample return value:
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INSERT INTO STG.CLIENT_LOGS (CLIENT_ID, CLIENT_NAME, BUCKET_NAME) VALUES ('CL300', 'Acme Corporation', 'acme-docs');
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"""
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columns = ', '.join(data.keys())
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values = ', '.join(["'" + str(value).replace("'", "''") + "'" if isinstance(value, str) else str(value) for value in data.values()])
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sql = f"INSERT INTO STG.CLIENT_LOGS ({columns}) VALUES ({values});"
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return sql
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def construct_client_update_sql(data, client_id):
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"""
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Constructs the SQL for an update operation
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Sample return value:
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UPDATE STG.CLIENT_LOGS SET BUCKET_NAME = 'new-acme-docs' WHERE CLIENT_ID = 'CL300';
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"""
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set_clauses = ', '.join([f"{key} = '" + str(value).replace("'", "''") + "'" if isinstance(value, str) else f"{key} = {value}" for key, value in data.items()])
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sql = f"UPDATE STG.CLIENT_LOGS SET {set_clauses} WHERE CLIENT_ID = '{client_id}';"
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return sql
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def construct_batch_update_sql(data, batch_id):
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"""
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Constructs the SQL for an update operation
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Sample return value:
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UPDATE STG.BATCH_LOGS SET NO_OF_DOCUMENTS = 155, USER_NAME = 'updated_processor' WHERE BATCH_ID = 1;
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"""
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set_clauses = ', '.join([f"{key} = '" + str(value).replace("'", "''") + "'" if isinstance(value, str) else f"{key} = {value}" for key, value in data.items()])
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sql = f"UPDATE STG.BATCH_LOGS SET {set_clauses} WHERE BATCH_ID = {batch_id};"
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return sql
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# Main Lambda handler
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def lambda_handler(event, context):
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# Extract operation type and payload from event
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operation = event['operation'] # 'insert' or 'update'
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data = event['data']
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table = event['table']
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# Get conn from Secrets Manager
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try:
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# with conn.cursor() as cursor:
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if table == 'DOCUMENT_LOGS':
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if operation == 'insert':
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sql = construct_doc_insert_sql(data)
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elif operation == 'update':
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document_id = data.pop('DOCUMENT_ID', None)
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sql = construct_doc_update_sql(data, document_id)
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elif table == 'BATCH_LOGS':
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if operation == 'insert':
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sql = construct_batch_insert_sql(data)
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elif operation == 'update':
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batch_id = data.pop('BATCH_ID', None)
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sql = construct_batch_update_sql(data, batch_id)
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elif table == 'CLIENT_LOGS':
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if operation == 'insert':
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sql = construct_client_insert_sql(data)
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elif operation == 'update':
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client_id = data.pop('CLIENT_ID', None)
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sql = construct_client_update_sql(data, client_id)
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else:
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raise ValueError("Unsupported table.")
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print(sql)
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# cursor.execute(sql)
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return {'statusCode': 200, 'body': json.dumps('Operation successful')}
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except Exception as e:
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return {'statusCode': 400, 'body': json.dumps(str(e))}
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finally:
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# conn.close()
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pass
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# Sample input events
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doc_input_event = {
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"operation": "insert",
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"table": "DOCUMENT_LOGS",
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"data": {
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"BATCH_ID": 101,
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"JOB_ID": "J123456",
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"STAGE": "Processing",
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"TEXTRACT_STATUS": "Success",
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"BUCKET_NAME": "doc-bucket",
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"FILE_NAME": "file1.pdf",
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"FILE_PATH": "/documents/2023/",
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"DOCUMENT_TYPE": "Report",
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"PAYER_SIGNED": True,
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"PROVIDER_SIGNED": False,
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"GROUP_ID": "G100",
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"CREATED_TIME": "2024-03-21 10:00:00",
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"MODIFIED_TIME": "2024-03-21 10:00:00",
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"CREATED_BY": "admin",
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"MODIFIED_BY": "admin",
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"ORIGINAL_FILE_EXTENSION": "pdf",
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"NO_OF_PAGES": 10,
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"FILE_SIZE": 1048576
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}
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}
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doc_update_event = {
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"operation": "update",
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"table": "DOCUMENT_LOGS",
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"data": {
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"DOCUMENT_ID": 1001,
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"TEXTRACT_STATUS": "Failed",
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"MODIFIED_TIME": "2024-03-22 15:00:00",
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"MODIFIED_BY": "admin"
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}
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}
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batch_insert_event = {
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"operation": "insert",
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"table": "BATCH_LOGS",
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"data": {
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"CLIENT_ID": "C200",
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"EXECUTION_START_TIME": "2024-03-21 09:00:00",
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"NO_OF_DOCUMENTS": 150,
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"USER_NAME": "batch_processor"
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}
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}
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batch_update_event = {
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"operation": "update",
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"table": "BATCH_LOGS",
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"data": {
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"BATCH_ID": 102,
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"NO_OF_DOCUMENTS": 155,
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"USER_NAME": "updated_processor"
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}
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}
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client_insert_event = {
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"operation": "insert",
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"table": "CLIENT_LOGS",
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"data": {
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"CLIENT_ID": "CL300",
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"CLIENT_NAME": "Acme Corporation",
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"BUCKET_NAME": "acme-docs"
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}
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}
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client_update_event = {
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"operation": "update",
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"table": "CLIENT_LOGS",
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"data": {
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"CLIENT_ID": "CL300",
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"BUCKET_NAME": "new-acme-docs"
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}
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}
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lambda_handler(doc_input_event, None)
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lambda_handler(doc_update_event, None)
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lambda_handler(batch_insert_event, None)
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lambda_handler(batch_update_event, None)
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lambda_handler(client_insert_event, None)
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lambda_handler(client_update_event, None)
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