154 lines
4.6 KiB
Python
154 lines
4.6 KiB
Python
import json
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import logging
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from random import randrange
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from typing import Any, Optional, Dict, List
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from sqlalchemy.engine import Row
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from sqlalchemy.engine.cursor import CursorResult
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from sqlalchemy.engine.base import Connection
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from sqlalchemy.sql import text, func, select
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy import MetaData, Table, Column
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from sqlalchemy.types import Integer, String, TIMESTAMP, JSON
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from sqlalchemy.dialects.mysql import insert
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from core.config import CoreConfig
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metadata = MetaData()
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schema_ver = Table(
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"schema_versions",
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metadata,
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Column("game", String(4), primary_key=True, nullable=False),
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Column("version", Integer, nullable=False, server_default="1"),
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mysql_charset="utf8mb4",
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)
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event_log = Table(
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"event_log",
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metadata,
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Column("id", Integer, primary_key=True, nullable=False),
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Column("system", String(255), nullable=False),
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Column("type", String(255), nullable=False),
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Column("severity", Integer, nullable=False),
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Column("message", String(1000), nullable=False),
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Column("details", JSON, nullable=False),
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Column("when_logged", TIMESTAMP, nullable=False, server_default=func.now()),
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mysql_charset="utf8mb4",
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)
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class BaseData:
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def __init__(self, cfg: CoreConfig, conn: Connection) -> None:
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self.config = cfg
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self.conn = conn
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self.logger = logging.getLogger("database")
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def execute(self, sql: str, opts: Dict[str, Any] = {}) -> Optional[CursorResult]:
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res = None
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try:
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self.logger.info(f"SQL Execute: {''.join(str(sql).splitlines())}")
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res = self.conn.execute(text(sql), opts)
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except SQLAlchemyError as e:
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self.logger.error(f"SQLAlchemy error {e}")
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return None
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except UnicodeEncodeError as e:
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self.logger.error(f"UnicodeEncodeError error {e}")
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return None
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except:
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try:
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res = self.conn.execute(sql, opts)
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except SQLAlchemyError as e:
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self.logger.error(f"SQLAlchemy error {e}")
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return None
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except UnicodeEncodeError as e:
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self.logger.error(f"UnicodeEncodeError error {e}")
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return None
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except:
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self.logger.error(f"Unknown error")
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raise
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return res
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def generate_id(self) -> int:
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"""
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Generate a random 5-7 digit id
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"""
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return randrange(10000, 9999999)
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def get_all_schema_vers(self) -> Optional[List[Row]]:
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sql = select(schema_ver)
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result = self.execute(sql)
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if result is None:
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return None
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return result.fetchall()
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def get_schema_ver(self, game: str) -> Optional[int]:
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sql = select(schema_ver).where(schema_ver.c.game == game)
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result = self.execute(sql)
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if result is None:
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return None
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row = result.fetchone()
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if row is None:
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return None
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return row["version"]
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def set_schema_ver(self, ver: int, game: str = "CORE") -> Optional[int]:
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sql = insert(schema_ver).values(game=game, version=ver)
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conflict = sql.on_duplicate_key_update(version=ver)
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result = self.execute(conflict)
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if result is None:
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self.logger.error(
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f"Failed to update schema version for game {game} (v{ver})"
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)
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return None
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return result.lastrowid
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def log_event(
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self, system: str, type: str, severity: int, message: str, details: Dict = {}
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) -> Optional[int]:
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sql = event_log.insert().values(
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system=system,
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type=type,
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severity=severity,
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message=message,
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details=json.dumps(details),
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)
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result = self.execute(sql)
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if result is None:
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self.logger.error(
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f"{__name__}: Failed to insert event into event log! system = {system}, type = {type}, severity = {severity}, message = {message}"
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)
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return None
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return result.lastrowid
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def get_event_log(self, entries: int = 100) -> Optional[List[Dict]]:
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sql = event_log.select().limit(entries).all()
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result = self.execute(sql)
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if result is None:
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return None
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return result.fetchall()
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def fix_bools(self, data: Dict) -> Dict:
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for k, v in data.items():
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if type(v) == str and v.lower() == "true":
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data[k] = True
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elif type(v) == str and v.lower() == "false":
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data[k] = False
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return data
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