infureal/gis
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: Remove geometry and properties from GET /datasets/{id} endpoint, new endpoint for download cog file

Browse Source
This commit is contained in:
Bakhtiyar Issakhmetov
2026-07-02 16:27:36 +05:00
parent d5c291fb9b
commit 017f869380
4 changed files with 107 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
internal/service/dataset.go
View File

@@ -22,6 +22,15 @@ import (
// maxParseBytes caps how much of a file is read into memory for parsing.
const maxParseBytes = 256 << 20 // 256 MiB
var (
// ErrNotRaster is returned when a raster-only operation is requested for a
// non-raster dataset.
ErrNotRaster = errors.New("dataset is not a raster")
// ErrCOGNotReady is returned when a raster's Cloud-Optimized GeoTIFF has not
// been produced yet.
ErrCOGNotReady = errors.New("cog is not ready")
)
// DatasetRepository is the persistence behaviour DatasetService needs.
type DatasetRepository interface {
Create(ctx context.Context, d domain.Dataset) (domain.Dataset, error)
@@ -958,6 +967,27 @@ func (s *DatasetService) Download(ctx context.Context, id uuid.UUID) (domain.Dat
return dataset, obj, nil
}
// COG returns the dataset metadata and a reader for its Cloud-Optimized GeoTIFF.
// It fails with ErrNotRaster for non-raster datasets and ErrCOGNotReady when the
// raster has not been converted yet. The caller must close the reader.
func (s *DatasetService) COG(ctx context.Context, id uuid.UUID) (domain.Dataset, io.ReadCloser, error) {
dataset, err := s.repo.GetByID(ctx, id)
if err != nil {
return domain.Dataset{}, nil, err
}
if dataset.FileType != domain.FileTypeRaster {
return domain.Dataset{}, nil, ErrNotRaster
}
if dataset.CogStorageKey == nil {
return domain.Dataset{}, nil, ErrCOGNotReady
}
obj, err := s.store.Get(ctx, *dataset.CogStorageKey)
if err != nil {
return domain.Dataset{}, nil, err
}
return dataset, obj, nil
}
// Delete removes the dataset row and its stored object.
func (s *DatasetService) Delete(ctx context.Context, id uuid.UUID) error {
dataset, err := s.repo.GetByID(ctx, id)