3
2
forked from Dniel97/artemis
artemis/core/data/schema/base.py

166 lines
5.0 KiB
Python

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