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402cf9b0ee
Refactor services folder/module structure.
**Motivation**
While working on our services I've repeatedly encountered circular imports and a general lack of clarity regarding where to put things. The structure introduced goes a long way towards resolving those issues, setting us up for a clean structure going forward.
**Services**
Services are now in their own folder with a few files:
- `services/{service_name}/__init__.py`: init as needed, mostly empty now
- `services/{service_name}/{service_name}_base.py`: the base class for the service
- `services/{service_name}/{service_name}_{impl_type}.py`: the default concrete implementation of the service - typically one of `sqlite`, `default`, or `memory`
- `services/{service_name}/{service_name}_common.py`: any common items - models, exceptions, utilities, etc
Though it's a bit verbose to have the service name both as the folder name and the prefix for files, I found it is _extremely_ confusing to have all of the base classes just be named `base.py`. So, at the cost of some verbosity when importing things, I've included the service name in the filename.
There are some minor logic changes. For example, in `InvocationProcessor`, instead of assigning the model manager service to a variable to be used later in the file, the service is used directly via the `Invoker`.
**Shared**
Things that are used across disparate services are in `services/shared/`:
- `default_graphs.py`: previously in `services/`
- `graphs.py`: previously in `services/`
- `paginatation`: generic pagination models used in a few services
- `sqlite`: the `SqliteDatabase` class, other sqlite-specific things
24 lines
847 B
Python
24 lines
847 B
Python
from typing import Optional
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from pydantic import Field
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from ..board_records.board_records_common import BoardRecord
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class BoardDTO(BoardRecord):
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"""Deserialized board record with cover image URL and image count."""
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cover_image_name: Optional[str] = Field(description="The name of the board's cover image.")
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"""The URL of the thumbnail of the most recent image in the board."""
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image_count: int = Field(description="The number of images in the board.")
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"""The number of images in the board."""
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def board_record_to_dto(board_record: BoardRecord, cover_image_name: Optional[str], image_count: int) -> BoardDTO:
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"""Converts a board record to a board DTO."""
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return BoardDTO(
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**board_record.dict(exclude={"cover_image_name"}),
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cover_image_name=cover_image_name,
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image_count=image_count,
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)
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