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"""SafeRepository is a subclass of BaseRepository that handles all raised errors |
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""" |
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from typing import Dict, Iterator, List, Type |
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from mongomantic.config import logger |
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from mongomantic.core.base_repository import BaseRepository |
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from mongomantic.core.errors import DoesNotExistError, InvalidQueryError, MultipleObjectsReturnedError, WriteError |
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from mongomantic.core.mongo_model import MongoDBModel |
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class SafeRepository(BaseRepository): |
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class Meta: |
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@property |
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def model(self) -> Type[MongoDBModel]: |
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"""Model class that subclasses MongoDBModel""" |
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raise NotImplementedError |
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@property |
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def collection(self) -> str: |
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"""String representing the MongoDB collection to use when storing this model""" |
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raise NotImplementedError |
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@classmethod |
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def save(cls, model) -> Type[MongoDBModel]: |
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try: |
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return super().save(model) |
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except WriteError as e: |
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logger.error(e) |
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return None |
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@classmethod |
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def get(cls, **kwargs) -> Type[MongoDBModel]: |
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try: |
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return super().get(**kwargs) |
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except (DoesNotExistError, MultipleObjectsReturnedError) as e: |
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logger.error(e) |
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return None |
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@classmethod |
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def find(cls, **kwargs) -> Iterator[Type[MongoDBModel]]: |
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try: |
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gen = super().find(**kwargs) |
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try: |
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yield from gen |
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except InvalidQueryError as e: |
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logger.error(e) |
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return None |
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except InvalidQueryError as e: |
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logger.error(e) |
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return None |
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@classmethod |
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def aggregate(cls, pipeline: List[Dict]): |
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try: |
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gen = super().aggregate(pipeline) |
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try: |
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yield from gen |
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except InvalidQueryError as e: |
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logger.error(e) |
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return None |
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except InvalidQueryError as e: |
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logger.error(e) |
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return None |
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