Reorganization of backend + new routes

backend/core/models/shortcodes.go

@@ -0,0 +1,36 @@
+package models
+
+import (
+	"errors"
+
+	"github.com/google/uuid"
+	"github.com/uptrace/bun"
+)
+
+type ShortcodeType string
+
+const (
+	ShortcodeMedia ShortcodeType = "media"
+	ShortcodeValue ShortcodeType = "value"
+)
+
+type Shortcode struct {
+	bun.BaseModel `bun:"table:shortcodes,alias:sc"`
+
+	ID      int64         `bun:"id,pk,autoincrement" json:"id"`   // Primary key
+	Code    string        `bun:"code,notnull,unique" json:"code"` // The shortcode value
+	Type    ShortcodeType `bun:"shortcode_type,notnull" json:"type"`
+	Value   *string       `bun:"value" json:"value,omitempty"`
+	MediaID *uuid.UUID    `bun:"media_id,type:uuid" json:"media_id,omitempty"`           // Nullable reference to another table's ID
+	Media   *Media        `bun:"rel:belongs-to,join:media_id=id" json:"media,omitempty"` // Relation to Media
+}
+
+func (s *Shortcode) Validate() error {
+	if s.Value != nil && s.MediaID != nil {
+		return errors.New("both value and media_id cannot be set at the same time")
+	}
+	if s.Value == nil && s.MediaID == nil {
+		return errors.New("either value or media_id must be set")
+	}
+	return nil
+}