120 lines
4.1 KiB
Python
120 lines
4.1 KiB
Python
from beanie import PydanticObjectId
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from beanie.odm.operators.find.comparison import In
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from beanie.operators import And, RegEx, Eq
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from fastapi import APIRouter, HTTPException, Depends
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from fastapi_paginate import Page, Params, add_pagination
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from fastapi_paginate.ext.motor import paginate
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from ..user.manager import get_current_user, get_current_superuser
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def parse_sort(sort_by):
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if not sort_by:
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return []
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fields = []
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for field in sort_by.split(','):
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dir, col = field.split('(')
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fields.append((col[:-1], 1 if dir == 'asc' else -1))
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return fields
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def Or(filters):
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return {'$or': filters}
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def parse_query(query: str, model):
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if query is None:
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return {}
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and_array = []
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for criterion in query.split(' AND '):
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[column, operator, value] = criterion.split(' ', 2)
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column = column.lower()
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if column == 'fulltext':
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if not model.Settings.fulltext_search:
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continue
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or_array = []
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for field in model.Settings.fulltext_search:
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words_and_array = []
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for word in value.split(' '):
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words_and_array.append(RegEx(field, word, 'i'))
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or_array.append(And(*words_and_array) if len(words_and_array) > 1 else words_and_array[0])
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operand = Or(or_array) if len(or_array) > 1 else or_array[0]
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elif operator == 'eq':
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operand = Eq(column, value)
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elif operator == 'in':
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operand = In(column, value.split(','))
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and_array.append(operand)
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if and_array:
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return And(*and_array) if len(and_array) > 1 else and_array[0]
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else:
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return {}
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def get_crud_router(model, model_create, model_read, model_update):
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router = APIRouter()
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@router.post("/", response_description="{} added to the database".format(model.__name__))
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async def create(item: model_create, user=Depends(get_current_user)) -> dict:
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await item.validate_foreign_key()
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o = await model(**item.dict()).create()
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return {"message": "{} added successfully".format(model.__name__), "id": o.id}
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@router.get("/{id}", response_description="{} record retrieved".format(model.__name__))
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async def read_id(id: PydanticObjectId, user=Depends(get_current_user)) -> model_read:
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item = await model.get(id)
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return model_read(**item.dict())
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@router.get("/", response_model=Page[model_read], response_description="{} records retrieved".format(model.__name__))
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async def read_list(size: int = 50, page: int = 1, sort_by: str = None, query: str = None,
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user=Depends(get_current_user)) -> Page[model_read]:
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sort = parse_sort(sort_by)
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query = parse_query(query, model_read)
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collection = model.get_motor_collection()
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items = paginate(collection, query, Params(**{'size': size, 'page': page}), sort=sort)
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return await items
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@router.put("/{id}", response_description="{} record updated".format(model.__name__))
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async def update(id: PydanticObjectId, req: model_update, user=Depends(get_current_user)) -> model_read:
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req = {k: v for k, v in req.dict().items() if v is not None}
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update_query = {"$set": {
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field: value for field, value in req.items()
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}}
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item = await model.get(id)
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if not item:
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raise HTTPException(
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status_code=404,
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detail="{} record not found!".format(model.__name__)
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)
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await item.update(update_query)
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return model_read(**item.dict())
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@router.delete("/{id}", response_description="{} record deleted from the database".format(model.__name__))
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async def delete(id: PydanticObjectId, user=Depends(get_current_superuser)) -> dict:
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item = await model.get(id)
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if not item:
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raise HTTPException(
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status_code=404,
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detail="{} record not found!".format(model.__name__)
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)
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await item.delete()
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return {
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"message": "{} deleted successfully".format(model.__name__)
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}
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add_pagination(router)
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return router
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