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from abc import ABC, abstractmethod
from datetime import datetime
from typing import Optional
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from base import AworldTask, AworldTaskResult
from aworldspace.db.models import (
Base, AworldTaskModel, AworldTaskResultModel,
orm_to_pydantic_task, pydantic_to_orm_task,
orm_to_pydantic_result, pydantic_to_orm_result
)
class AworldTaskDB(ABC):
@abstractmethod
async def query_task_by_id(self, task_id: str) -> AworldTask:
pass
@abstractmethod
async def query_latest_task_result_by_id(self, task_id: str) -> Optional[AworldTaskResult]:
pass
@abstractmethod
async def insert_task(self, task: AworldTask):
pass
@abstractmethod
async def query_tasks_by_status(self, status: str, nums: int) -> list[AworldTask]:
pass
@abstractmethod
async def update_task(self, task: AworldTask):
pass
@abstractmethod
async def page_query_tasks(self, filter: dict, page_size: int, page_num: int) -> dict:
pass
@abstractmethod
async def save_task_result(self, result: AworldTaskResult):
pass
class SqliteTaskDB(AworldTaskDB):
def __init__(self, db_path: str):
self.engine = create_engine(db_path, echo=False, future=True)
Base.metadata.create_all(self.engine)
self.Session = sessionmaker(bind=self.engine, expire_on_commit=False)
async def query_task_by_id(self, task_id: str) -> Optional[AworldTask]:
with self.Session() as session:
orm_task = session.query(AworldTaskModel).filter_by(task_id=task_id).first()
return orm_to_pydantic_task(orm_task) if orm_task else None
async def query_latest_task_result_by_id(self, task_id: str) -> Optional[AworldTaskResult]:
with self.Session() as session:
orm_result = (
session.query(AworldTaskResultModel)
.filter_by(task_id=task_id)
.order_by(AworldTaskResultModel.created_at.desc())
.first()
)
return orm_to_pydantic_result(orm_result) if orm_result else None
async def insert_task(self, task: AworldTask):
with self.Session() as session:
orm_task = pydantic_to_orm_task(task)
session.add(orm_task)
session.commit()
async def query_tasks_by_status(self, status: str, nums: int) -> list[AworldTask]:
with self.Session() as session:
orm_tasks = (
session.query(AworldTaskModel)
.filter_by(status=status)
.limit(nums)
.all()
)
return [orm_to_pydantic_task(t) for t in orm_tasks]
async def update_task(self, task: AworldTask):
with self.Session() as session:
orm_task = session.query(AworldTaskModel).filter_by(task_id=task.task_id).first()
if orm_task:
for k, v in task.model_dump().items():
setattr(orm_task, k, v)
orm_task.updated_at = datetime.utcnow()
session.commit()
async def save_task_result(self, result: AworldTaskResult):
with self.Session() as session:
orm_task = pydantic_to_orm_result(result)
session.add(orm_task)
session.commit()
async def page_query_tasks(self, filter: dict, page_size: int, page_num: int) -> dict:
with self.Session() as session:
query = session.query(AworldTaskModel)
# Handle special filters for time ranges
start_time = filter.pop('start_time', None)
end_time = filter.pop('end_time', None)
# Apply regular filters
for k, v in filter.items():
if hasattr(AworldTaskModel, k):
query = query.filter(getattr(AworldTaskModel, k) == v)
# Apply time range filters
if start_time:
query = query.filter(AworldTaskModel.created_at >= start_time)
if end_time:
query = query.filter(AworldTaskModel.created_at <= end_time)
total = query.count()
orm_tasks = query.offset((page_num - 1) * page_size).limit(page_size).all()
items = [orm_to_pydantic_task(t) for t in orm_tasks]
return {
"total": total,
"page_num": page_num,
"page_size": page_size,
"items": items
}
class PostgresTaskDB(AworldTaskDB):
def __init__(self, db_url: str):
# db_url example: 'postgresql+psycopg2://user:password@host:port/dbname'
self.engine = create_engine(db_url, echo=False, future=True)
Base.metadata.create_all(self.engine)
self.Session = sessionmaker(bind=self.engine, expire_on_commit=False)
async def query_task_by_id(self, task_id: str) -> Optional[AworldTask]:
with self.Session() as session:
orm_task = session.query(AworldTaskModel).filter_by(task_id=task_id).first()
return orm_to_pydantic_task(orm_task) if orm_task else None
async def query_latest_task_result_by_id(self, task_id: str) -> Optional[AworldTaskResult]:
with self.Session() as session:
orm_result = (
session.query(AworldTaskResultModel)
.filter_by(task_id=task_id)
.order_by(AworldTaskResultModel.created_at.desc())
.first()
)
return orm_to_pydantic_result(orm_result) if orm_result else None
async def insert_task(self, task: AworldTask):
with self.Session() as session:
orm_task = pydantic_to_orm_task(task)
session.add(orm_task)
session.commit()
async def query_tasks_by_status(self, status: str, nums: int) -> list[AworldTask]:
with self.Session() as session:
orm_tasks = (
session.query(AworldTaskModel)
.filter_by(status=status)
.limit(nums)
.all()
)
return [orm_to_pydantic_task(t) for t in orm_tasks]
async def update_task(self, task: AworldTask):
with self.Session() as session:
orm_task = session.query(AworldTaskModel).filter_by(task_id=task.task_id).first()
if orm_task:
for k, v in task.model_dump().items():
setattr(orm_task, k, v)
orm_task.updated_at = datetime.utcnow()
session.commit()
async def save_task_result(self, result: AworldTaskResult):
with self.Session() as session:
orm_task = pydantic_to_orm_result(result)
session.add(orm_task)
session.commit()
async def page_query_tasks(self, filter: dict, page_size: int, page_num: int) -> dict:
with self.Session() as session:
query = session.query(AworldTaskModel)
# Handle special filters for time ranges
start_time = filter.pop('start_time', None)
end_time = filter.pop('end_time', None)
# Apply regular filters
for k, v in filter.items():
if hasattr(AworldTaskModel, k):
query = query.filter(getattr(AworldTaskModel, k) == v)
# Apply time range filters
if start_time:
query = query.filter(AworldTaskModel.created_at >= start_time)
if end_time:
query = query.filter(AworldTaskModel.created_at <= end_time)
total = query.count()
orm_tasks = query.offset((page_num - 1) * page_size).limit(page_size).all()
items = [orm_to_pydantic_task(t) for t in orm_tasks]
return {
"total": total,
"page_num": page_num,
"page_size": page_size,
"items": items
}
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