feat: add media sources

backend/pkg/pg/media.go

@@ -1,5 +1,11 @@
 package pg
 
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+)
+
 // swagger:enum MediaType
 // ENUM(
 // Video  = "video",
@@ -7,3 +13,30 @@ package pg
 // Pdf = "pdf",
 // )
 type MediaType string
+
+type MediaSource struct {
+	Duration int64             `json:"duration"`
+	Items    []MediaSourceItem `json:"items"`
+}
+
+func (x MediaSource) Scan(value interface{}) (err error) {
+	switch v := value.(type) {
+	case string:
+		return json.Unmarshal([]byte(v), &x)
+	case []byte:
+		return json.Unmarshal(v, &x)
+	case *string:
+		return json.Unmarshal([]byte(*v), &x)
+	}
+	return errors.New("Unknown type for ")
+}
+
+func (x MediaSource) Value() (driver.Value, error) {
+	return json.Marshal(x)
+}
+
+type MediaSourceItem struct {
+	Source   string `json:"source"`
+	Size     int64  `json:"size"`
+	Duration int64  `json:"duration"`
+}