mirror of
https://github.com/GNS3/gns3-server.git
synced 2024-11-18 01:34:50 +02:00
82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright (C) 2021 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from typing import Optional, List
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from sqlalchemy import select, delete
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from sqlalchemy.ext.asyncio import AsyncSession
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from .base import BaseRepository
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import gns3server.db.models as models
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class ImagesRepository(BaseRepository):
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def __init__(self, db_session: AsyncSession) -> None:
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super().__init__(db_session)
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async def get_image(self, image_name: str) -> Optional[models.Image]:
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query = select(models.Image).where(models.Image.filename == image_name)
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result = await self._db_session.execute(query)
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return result.scalars().first()
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async def get_images(self) -> List[models.Image]:
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query = select(models.Image)
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result = await self._db_session.execute(query)
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return result.scalars().all()
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async def get_image_templates(self, image_id: int) -> Optional[List[models.Template]]:
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query = select(models.Template).\
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join(models.Image.templates). \
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filter(models.Image.id == image_id)
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result = await self._db_session.execute(query)
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return result.scalars().all()
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async def get_image_by_checksum(self, checksum: str) -> Optional[models.Image]:
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query = select(models.Image).where(models.Image.checksum == checksum)
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result = await self._db_session.execute(query)
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return result.scalars().first()
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async def add_image(self, image_name, image_type, path, checksum, checksum_algorithm) -> models.Image:
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db_image = models.Image(
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id=None,
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filename=image_name,
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image_type=image_type,
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path=path,
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checksum=checksum,
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checksum_algorithm=checksum_algorithm
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)
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self._db_session.add(db_image)
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await self._db_session.commit()
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await self._db_session.refresh(db_image)
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return db_image
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async def delete_image(self, image_name: str) -> bool:
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query = delete(models.Image).where(models.Image.filename == image_name)
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result = await self._db_session.execute(query)
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await self._db_session.commit()
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return result.rowcount > 0
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