Add tags request to NotesService

api/src/services/NotesService.kt

@@ -111,6 +111,12 @@ class NotesService(override val kodein: Kodein) : KodeinAware {
         db.useTransaction {
             db.delete(Notes) { it.id eq noteId }
         }
+
+    fun getTags(userId: Int): List<String> = db.from(Tags)
+        .leftJoin(Notes, on = Tags.noteId eq Notes.id)
+        .select(Tags.name)
+        .where { Notes.userId eq userId }
+        .map { it[Tags.name]!! }
 }
 
 data class ChaptersDTO(val title: String, val content: String)