feat: image variants per image

api/handlers/media/mediaHandler.go

@@ -29,6 +29,11 @@ type Handler struct {
 	UpdatePurgeSettingsUseCase *useCases.UpdatePurgeSettingsUseCase
 	PreviewPurgeUseCase        *useCases.PreviewPurgeUseCase
 	RunPurgeUseCase            *useCases.RunPurgeUseCase
+	ListVariantsUseCase        *useCases.ListImageVariantsUseCase
+	GenerateVariantUseCase     *useCases.GenerateImageVariantUseCase
+	GenerateAllUseCase         *useCases.GenerateAllImageVariantsUseCase
+	PurgeVariantUseCase        *useCases.PurgeImageVariantUseCase
+	GenerateOnUploadUseCase    *useCases.GenerateVariantsOnUploadUseCase
 }
 
 type RenameRequest struct {
@@ -53,6 +58,9 @@ type mediaItemResponse struct {
 	CreatedAt   time.Time `json:"created_at"`
 	UsedIn      int       `json:"used_in"`
 	Duplicate   bool      `json:"duplicate"`
+
+	VariantCount int   `json:"variant_count"`
+	VariantSize  int64 `json:"variant_size"`
 }
 
 type countsResponse struct {
@@ -78,7 +86,7 @@ type mergeResponse struct {
 	Merged          int `json:"merged"`
 }
 
-func NewHandler(create *useCases.CreateImageUseCase, list *useCases.ListMediaUseCase, rename *useCases.RenameMediaUseCase, deleteUseCase *useCases.DeleteMediaUseCase, merge *useCases.MergeMediaUseCase, usage *useCases.GetMediaUsageUseCase, purgeSettings *useCases.GetPurgeSettingsUseCase, updatePurgeSettings *useCases.UpdatePurgeSettingsUseCase, previewPurge *useCases.PreviewPurgeUseCase, runPurge *useCases.RunPurgeUseCase) *Handler {
+func NewHandler(create *useCases.CreateImageUseCase, list *useCases.ListMediaUseCase, rename *useCases.RenameMediaUseCase, deleteUseCase *useCases.DeleteMediaUseCase, merge *useCases.MergeMediaUseCase, usage *useCases.GetMediaUsageUseCase, purgeSettings *useCases.GetPurgeSettingsUseCase, updatePurgeSettings *useCases.UpdatePurgeSettingsUseCase, previewPurge *useCases.PreviewPurgeUseCase, runPurge *useCases.RunPurgeUseCase, listVariants *useCases.ListImageVariantsUseCase, generateVariant *useCases.GenerateImageVariantUseCase, generateAll *useCases.GenerateAllImageVariantsUseCase, purgeVariant *useCases.PurgeImageVariantUseCase, generateOnUpload *useCases.GenerateVariantsOnUploadUseCase) *Handler {
 	return &Handler{
 		CreateUseCase:              create,
 		ListUseCase:                list,
@@ -90,6 +98,11 @@ func NewHandler(create *useCases.CreateImageUseCase, list *useCases.ListMediaUse
 		UpdatePurgeSettingsUseCase: updatePurgeSettings,
 		PreviewPurgeUseCase:        previewPurge,
 		RunPurgeUseCase:            runPurge,
+		ListVariantsUseCase:        listVariants,
+		GenerateVariantUseCase:     generateVariant,
+		GenerateAllUseCase:         generateAll,
+		PurgeVariantUseCase:        purgeVariant,
+		GenerateOnUploadUseCase:    generateOnUpload,
 	}
 }
 
@@ -145,6 +158,9 @@ func toResponse(item useCases.MediaItem) mediaItemResponse {
 		CreatedAt:   item.Image.CreatedAt,
 		UsedIn:      item.UsedIn,
 		Duplicate:   item.Duplicate,
+
+		VariantCount: item.VariantCount,
+		VariantSize:  item.VariantSize,
 	}
 }
 
@@ -161,6 +177,12 @@ func parseListQuery(r *http.Request) (domainImage.ListQuery, error) {
 	if values.Has("filter") {
 		query.Filter = domainImage.Filter(values.Get("filter"))
 	}
+	if values.Has("variants") {
+		if values.Get("variants") == "" {
+			return domainImage.ListQuery{}, domainImage.ErrInvalidQuery
+		}
+		query.Variants = domainImage.VariantsFilter(values.Get("variants"))
+	}
 	if values.Has("sort") {
 		query.Sort = domainImage.Sort(values.Get("sort"))
 	}
@@ -219,6 +241,7 @@ func (h *Handler) Upload(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	h.GenerateOnUploadUseCase.Generate(r.Context(), created)
 	h.writeItem(w, http.StatusCreated, created)
 }