63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
import queue
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import logging
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from chalicelib.utils import pg_client
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global_queue = None
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class EventQueue():
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def __init__(self, test=False, queue_max_length=5):
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self.events = queue.Queue()
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self.events.maxsize = queue_max_length
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self.test = test
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def flush(self, conn):
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events = list()
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while not self.events.empty():
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project_id, user_id, element = self.events.get()
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events.append("({project_id}, '{user_id}', {timestamp}, '{action}', '{source}', '{category}', '{data}')".format(
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project_id=project_id, user_id=user_id, timestamp=element.timestamp, action=element.action, source=element.source, category=element.category, data=element.data))
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if len(events)==0:
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return 0
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if self.test:
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print(events)
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return 1
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_base_query = 'INSERT INTO {database}.{table} (project_id, user_id, timestamp, action, source, category, data) VALUES {values_list}'
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conn.execute(_base_query.format(database='public', table='frontend_signals', values_list=', '.join(events)))
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# logging.info(_query)
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# res = 'done'
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# res = conn.fetchone()
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# res = helper.dict_to_camel_case(conn.fetchone())
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return 1
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def force_flush(self):
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if not self.events.empty():
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try:
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with pg_client.PostgresClient() as conn:
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self.flush(conn)
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except Exception as e:
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logging.info(f'Error: {e}')
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def put(self, element):
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if self.events.full():
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try:
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with pg_client.PostgresClient() as conn:
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self.flush(conn)
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except Exception as e:
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logging.info(f'Error: {e}')
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self.events.put(element)
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self.events.task_done()
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async def init(test=False):
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global global_queue
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global_queue = EventQueue(test=test)
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logging.info("> queue initialized")
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async def terminate():
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global global_queue
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if global_queue is not None:
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global_queue.force_flush()
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logging.info('> queue fulshed')
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