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Scrum 4802 - allow null "version" parameter when downloading datasets to get latest version #828

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Jan 31, 2025
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17 changes: 11 additions & 6 deletions agr_literature_service/api/crud/dataset_crud.py
Original file line number Diff line number Diff line change
Expand Up @@ -12,13 +12,18 @@


def get_dataset(db: Session, mod_abbreviation: str, data_type: str, dataset_type: str,
version: int) -> DatasetModel:
dataset = db.query(DatasetModel).join(DatasetModel.mod).filter(
version: int = None) -> DatasetModel:

dataset_query = db.query(DatasetModel).join(DatasetModel.mod).filter(
DatasetModel.mod.has(abbreviation=mod_abbreviation),
DatasetModel.data_type == data_type,
DatasetModel.dataset_type == dataset_type,
DatasetModel.version == version,
).first()
DatasetModel.dataset_type == dataset_type
)
if version is not None and version > 0:
dataset_query = dataset_query.filter(DatasetModel.version == version)
else:
dataset_query = dataset_query.order_by(DatasetModel.version.desc())
dataset = dataset_query.first()
if not dataset:
raise HTTPException(status_code=404, detail="Dataset not found")
return dataset
Expand Down Expand Up @@ -73,7 +78,7 @@ def delete_dataset(db: Session, mod_abbreviation: str, data_type: str, dataset_t


def download_dataset(db: Session, mod_abbreviation: str, data_type: str,
dataset_type: str, version: int) -> DatasetSchemaDownload:
dataset_type: str, version: int = None) -> DatasetSchemaDownload:
dataset = get_dataset(db, mod_abbreviation, data_type, dataset_type, version)
if not dataset:
raise HTTPException(status_code=404, detail="Dataset not found")
Expand Down
4 changes: 3 additions & 1 deletion agr_literature_service/api/routers/dataset_router.py
Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,9 @@ def patch_dataset(request: DatasetSchemaUpdate, mod_abbreviation: str, data_type

@router.get("/download/{mod_abbreviation}/{data_type}/{dataset_type}/{version}/",
response_model=DatasetSchemaDownload)
def download_dataset(mod_abbreviation: str, data_type: str, dataset_type: str, version: int,
@router.get("/download/{mod_abbreviation}/{data_type}/{dataset_type}/",
response_model=DatasetSchemaDownload)
def download_dataset(mod_abbreviation: str, data_type: str, dataset_type: str, version: int = None,
db: Session = db_session):
db_dataset = dataset_crud.download_dataset(db, mod_abbreviation=mod_abbreviation, data_type=data_type,
dataset_type=dataset_type, version=version)
Expand Down
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