def _filter_multi_query(
self, query: Query,
filtration: schemas.FilterData) -> tuple[int, list[ModelType]]:
for col_name, (filter_type, filter_value) in filtration.data.items():
column = getattr(self.model, col_name)
if filter_type == schemas.FilterType.VALUE:
query = query.filter(column == filter_value)
elif filter_type == schemas.FilterType.DATETIME:
start_date, end_date = filter_value
if start_date is not None:
query = query.filter(column >= filter_value)
if end_date is not None:
query = query.filter(column <= filter_value)
elif filter_type == schemas.FilterType.ENUM:
query = query.filter(column in filter_value)
query = query.order_by(
self.model.created if filtration.sort is None else
getattr(self.model, filtration.sort.column
) if filtration.sort.direction != schemas.SortType.
ASC else getattr(self.model, filtration.sort.column).desc())
return (
query.count(),
query.offset(filtration.offset).limit(filtration.limit).all(),
)
def __call__(self, scope: SAQuery) -> List[T]:
total = scope.count()
results = scope.limit(self.page_size).offset(self.offset).all()
meta = ListMeta(
total=total,
total_pages=self.total_pages(total),
page_size=self.page_size,
page=self.page,
next_page=self.next_page(total),
prev_page=self.prev_page,
)
return List(data=results, meta=meta)
def count(self):
# Without it it works with slow implementation of count(), while
# we often use a faster one from older version.
return Query.count(self.private())
def count(self):
# Without it it works with slow implementation of count(), while
# we often use a faster one from older version.
return Query.count(self.private())