Initial commit

internal/storage/images.go

@@ -0,0 +1,44 @@
+package storage
+
+import "time"
+
+// MaxImageSize is the largest image payload accepted by storage, in bytes.
+const MaxImageSize = 10 << 20
+
+// ImageModelInterface persists garden-owned image data and assignment history.
+type ImageModelInterface interface {
+	Insert(image Image) (Image, error)
+	Get(gardenID, id int) (Image, error)
+	GetAllForGarden(gardenID int, filter ImageFilter) ([]Image, error)
+	CountForGarden(gardenID int) (int, error)
+	RecordAssignment(change ImageAssignment) error
+}
+
+// Image is a binary image stored in a garden's reusable media library.
+type Image struct {
+	ID        int       `json:"id"`
+	GardenID  int       `json:"garden_id"`
+	FileName  string    `json:"file_name"`
+	MediaType string    `json:"media_type"`
+	Size      int64     `json:"size"`
+	Source    string    `json:"source"`
+	CreatedBy int       `json:"created_by"`
+	CreatedAt time.Time `json:"created_at"`
+	Data      []byte    `json:"-"`
+}
+
+// ImageFilter restricts image-library queries by filename or media type.
+type ImageFilter struct {
+	Source string
+	Query  string
+}
+
+// ImageAssignment records an image change on a garden entity.
+type ImageAssignment struct {
+	GardenID        int
+	EntityType      string
+	EntityID        int
+	PreviousImageID *int
+	ImageID         *int
+	ChangedBy       int
+}