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path: root/pkg/worker/scanner/exif_scanner.go
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package scanner

import (
	"context"

	"git.sr.ht/~gabrielgio/img/pkg/coroutine"
	"git.sr.ht/~gabrielgio/img/pkg/database/repository"
	"git.sr.ht/~gabrielgio/img/pkg/fileop"
	"git.sr.ht/~gabrielgio/img/pkg/worker"
)

type (
	EXIFScanner struct {
		repository repository.MediaRepository
	}
)

var _ worker.ListProcessor[*repository.Media] = &EXIFScanner{}

func NewEXIFScanner(repository repository.MediaRepository) *EXIFScanner {
	return &EXIFScanner{
		repository: repository,
	}
}

func (e *EXIFScanner) Query(ctx context.Context) ([]*repository.Media, error) {
	return e.repository.ListEmptyEXIF(ctx, &repository.Pagination{
		Page: 0,
		Size: 100,
	})
}

func (e *EXIFScanner) Process(ctx context.Context, m *repository.Media) error {
	exif, err := coroutine.WrapProcess(ctx, func() (*repository.MediaEXIF, error) { return fileop.ReadExif(m.Path) })
	if err != nil {
		return err
	}

	return e.repository.CreateEXIF(ctx, m.ID, exif)
}