SquadsActivityMonitor/model/postgres_model.py

129 lines
4.5 KiB
Python

import json
import typing
import psycopg2.extensions
import psycopg2.extras
import config
from .sqlite_cache import cache
from . import postgres_sql_requests
from .abstract_model import AbstractModel
import utils
from EDMCLogging import get_main_logger
logger = get_main_logger()
logger.propagate = False
class PostgresModel(AbstractModel):
db: psycopg2.extensions.connection
def open_model(self):
self.db: psycopg2.extensions.connection = psycopg2.connect(
user=config.postgres_username,
password=config.postgres_password,
host=config.postgres_hostname,
port=config.postgres_port,
database=config.postgres_database_name,
cursor_factory=psycopg2.extras.DictCursor)
logger.info(f'Connected to {self.db.dsn}')
with self.db:
with self.db.cursor() as cursor:
cursor.execute(postgres_sql_requests.schema_create) # schema creation
def close_model(self):
self.db.close()
logger.info(f'Connection to {self.db.dsn} closed successfully')
def get_activity_changes(self, platform: str, leaderboard_type: str, limit: int, low_timestamp, high_timestamp)\
-> list:
cache_key: str = f'{platform}_{leaderboard_type}_{limit}_{low_timestamp}_{high_timestamp}'
cached_result: typing.Union[str, None] = cache.get(cache_key)
if cached_result is not None:
logger.debug(f'Cached result for {cache_key}')
return json.loads(cached_result)
logger.debug(f'Not cached result for {cache_key}')
with self.db.cursor(cursor_factory=psycopg2.extras.RealDictCursor) as cursor:
cursor.execute(postgres_sql_requests.select_activity_pretty_names, {
'LB_type': utils.LeaderboardTypes(leaderboard_type.lower()).value,
'platform': utils.Platform(platform.upper()).value,
'limit': limit,
'high_timestamp': high_timestamp,
'low_timestamp': low_timestamp
})
result: list = cursor.fetchall()
if not cache.disabled:
cache.set(cache_key, json.dumps(result))
return result
def insert_leaderboard_db(self, leaderboard_list: dict) -> None:
"""
Takes leaderboard as list, it platform, type, db connection and insert leaderboard to DB
:param leaderboard_list: list from request_leaderboard
:return:
"""
platform: str = leaderboard_list['platform']
LB_type: str = leaderboard_list['type']
leaderboard: list = leaderboard_list['leaderboard']
action_id: int # not last, current that we will use
with self.db.cursor() as cursor:
cursor.execute(postgres_sql_requests.select_last_action_id)
action_id_fetch_one: typing.Union[None, dict[str, int]] = cursor.fetchone()
if action_id_fetch_one is None:
# i.e. first launch
action_id = 1 # yep, not 0
else:
action_id = action_id_fetch_one['action_id'] + 1
# Patch for additional values
for squad in leaderboard:
squad.update({'action_id': action_id, 'LB_type': LB_type, 'platform': platform})
with self.db:
with self.db.cursor() as cursor:
cursor.executemany(
postgres_sql_requests.insert_leader_board,
leaderboard)
cache.delete_all() # drop cache
def get_diff_action_id(self, action_id: int) -> list:
"""
Takes action_id and returns which squadrons has been changed in leaderboard as in action_id and
experience they got in compassion to action_id - 1 for the same leaderboard and platform
:param action_id:
:return:
"""
cache_key: str = f'{action_id}'
cached_result: typing.Union[str, None] = cache.get(cache_key)
if cached_result is not None:
logger.debug(f'Cached result for {cache_key}')
return json.loads(cached_result)
logger.debug(f'Not cached result for {cache_key}')
with self.db.cursor(cursor_factory=psycopg2.extras.RealDictCursor) as cursor:
cursor.execute(postgres_sql_requests.select_diff_by_action_id, {'action_id': action_id})
result: list = cursor.fetchall()
if not cache.disabled:
cache.set(cache_key, json.dumps(result))
return result