Initial commit

internal/application/services/images_service.go

@@ -0,0 +1,72 @@
+package services
+
+import (
+	"58team_blog/internal/application/commands"
+	"58team_blog/internal/application/common"
+	"58team_blog/internal/application/mapper"
+	"58team_blog/internal/application/queries"
+	"58team_blog/internal/domain/entities"
+	"58team_blog/internal/domain/repository"
+	"fmt"
+)
+
+type ImagesService struct {
+	repo repository.ImagesRepository
+}
+
+func NewImagesService(repo repository.ImagesRepository) ImagesService {
+	return ImagesService{
+		repo: repo,
+	}
+}
+
+func (s *ImagesService) Create(cmd commands.CreateImageCommand) (*common.ImageResult, error) {
+	entity, err := entities.CreateImage(cmd.Path)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := entity.Validate(); err != nil {
+		return nil, err
+	}
+
+	if err := s.repo.Create(&entity); err != nil {
+		return nil, err
+	}
+
+	result := mapper.CreateImageResultFromEntity(&entity)
+
+	return result, nil
+}
+
+func (s *ImagesService) FindById(query queries.ImageFindByIdQuery) (*queries.ImageFindByIdResult, error) {
+	entity, err := s.repo.FindById(query.Id)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := entity.Validate(); err != nil {
+		return nil, err
+	}
+
+	result := mapper.CreateImageFindByIdResultFromEntity(entity)
+
+	return result, nil
+}
+
+func (s *ImagesService) Delete(cmd commands.DeleteImageCommand) error {
+	entity, err := s.repo.FindById(cmd.Id)
+	if err != nil {
+		return fmt.Errorf("Image delete error: %s", err)
+	}
+
+	if err := entity.Validate(); err != nil {
+		return err
+	}
+
+	if err := s.repo.Delete(entity.Id); err != nil {
+		return err
+	}
+
+	return nil
+}