45 lines
1.4 KiB
Go
45 lines
1.4 KiB
Go
package useCases
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import (
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"RenewCMS/internal/domain/image"
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"context"
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)
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type GenerateImageVariantUseCase struct {
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images image.Repository
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variants image.VariantRepository
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files image.VariantFileRepository
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renderer image.VariantRenderer
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generator *ServeVariantUseCase
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}
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func NewGenerateImageVariantUseCase(images image.Repository, variants image.VariantRepository, files image.VariantFileRepository, renderer image.VariantRenderer, generator *ServeVariantUseCase) *GenerateImageVariantUseCase {
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return &GenerateImageVariantUseCase{images, variants, files, renderer, generator}
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}
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func (u *GenerateImageVariantUseCase) Generate(ctx context.Context, id uint32, name string) (ImageVariantView, error) {
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img, err := u.images.Get(id)
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if err != nil {
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return ImageVariantView{}, err
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}
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variant, err := u.variants.Get(name)
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if err != nil {
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return ImageVariantView{}, err
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}
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if !variant.Enabled || variant.Name != name {
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return ImageVariantView{}, image.ErrVariantNotFound
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}
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if isVectorSource(img) {
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return ImageVariantView{}, image.ErrVariantSourceUnsupported
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}
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storedName := image.StoredName(img.Path)
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if _, err := u.generator.Generate(ctx, variant, storedName); err != nil {
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return ImageVariantView{}, err
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}
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rows, err := currentFiles(u.files, storedName)
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if err != nil {
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return ImageVariantView{}, err
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}
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return viewOf(variant, img, rows, u.renderer.EncodableFormats()), nil
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}
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