Check if an emoji with the same shorcut is defined

src/helpers/CustomEmojisHelper.ts

@@ -29,6 +29,24 @@ export class CustomEmojisHelper {
 		)
 	}
 
+
+	/**
+	 * Check if a given user has already a custom emoji with
+	 * the same shorcut
+	 * 
+	 * @param userID Target user ID
+	 * @param shorcut The name of the shorcut to check
+	 */
+	public static async HasUserSimilarShorcut(userID: number, shorcut: string) : Promise<boolean> {
+		return await DatabaseHelper.Count({
+			table: EMOJIS_TABLE,
+			where: {
+				user_id: userID,
+				shorcut: shorcut
+			}
+		}) > 0;
+	}
+
 	/**
 	 * Get the list of emojies of a given user
 	 *