72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
package useCases
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import (
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"RenewCMS/internal/domain/article"
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"RenewCMS/internal/domain/audit"
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"RenewCMS/internal/domain/author"
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"RenewCMS/internal/domain/image"
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"RenewCMS/internal/domain/site"
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"context"
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"log"
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)
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type DeleteMediaUseCase struct {
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imageRepository image.Repository
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remover mediaRemover
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recorder audit.Recorder
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sites site.Repository
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authors author.Repository
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articles article.Repository
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}
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func NewDeleteMediaUseCase(imageRepository image.Repository, storage image.Storage, variantFiles image.VariantFileRepository, recorder audit.Recorder, sites site.Repository, authors author.Repository, articles article.Repository) *DeleteMediaUseCase {
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return &DeleteMediaUseCase{imageRepository: imageRepository, remover: newMediaRemover(imageRepository, storage, variantFiles), recorder: recorder, sites: sites, authors: authors, articles: articles}
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}
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func logCompensation(step string, err error) {
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if err != nil {
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log.Println("media compensation failed to", step+":", err)
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}
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}
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func (u *DeleteMediaUseCase) removeClearingSites(img image.Image) error {
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clearedSites, err := u.sites.ClearImage(img.ID)
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if err != nil {
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return err
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}
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clearedAuthors, err := u.authors.ClearAvatar(img.ID)
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if err != nil {
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logCompensation("restore site images", u.sites.AssignImage(clearedSites, img.ID))
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return err
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}
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clearedArticles, err := u.articles.ClearImage(img.ID)
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if err != nil {
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logCompensation("restore site images", u.sites.AssignImage(clearedSites, img.ID))
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logCompensation("restore author avatars", u.authors.AssignAvatar(clearedAuthors, img.ID))
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return err
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}
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if err := u.remover.remove(img); err != nil {
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logCompensation("restore site images", u.sites.AssignImage(clearedSites, img.ID))
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logCompensation("restore author avatars", u.authors.AssignAvatar(clearedAuthors, img.ID))
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logCompensation("restore article images", u.articles.RestoreImage(clearedArticles, img.ID))
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return err
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}
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return nil
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}
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func (u *DeleteMediaUseCase) Delete(ctx context.Context, id uint32) error {
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img, err := u.imageRepository.Get(id)
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if err != nil {
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return err
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}
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event := audit.NewEvent(audit.ActionMediaDelete, audit.CategoryMedia)
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event.Target = imageTarget(img)
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if err := u.removeClearingSites(img); err != nil {
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recordFailure(ctx, u.recorder, event, err)
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return err
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}
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u.recorder.Record(ctx, event)
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return nil
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}
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