Added the getMediaById method to the media controller

controller/media.ts

@@ -12,7 +12,13 @@ export const createMedia = (clientId: number, assetName: string, assetEnding: st
     Media.create({clientId, assetName, assetEnding: assetEnding || "txt"});
 
 /**
- * Gets a media object by the asset id
+ * Gets a media object from an id
+ * @param assetId The id of the asset to search
+ */
+export const getMediaById = (assetId: string) => Media.findOne({assetId}, {_id: 0, __v: 0});
+
+/**
+ * Gets a complete media object by the asset id
  * @param assetId The id of the asset to search
  */
 export const getMediaObject = (assetId: string) => Media.findOne({assetId});