- added new class CollectionRole.ts

- added relation 'collectionRole' to Collection.ts class
- added 'ListSets' and  =GetRecord request for OaiController.ts
- npm updates
- added utility-functions.ts

app/Models/CollectionRole.ts

@@ -0,0 +1,38 @@
+import { column, SnakeCaseNamingStrategy, hasMany, HasMany } from '@ioc:Adonis/Lucid/Orm';
+import BaseModel from './BaseModel';
+import Collection from './Collection';
+
+export default class CollectionRole extends BaseModel {
+    public static namingStrategy = new SnakeCaseNamingStrategy();
+    public static primaryKey = 'id';
+    public static table = 'collections_roles';
+    public static fillable: string[] = ['name', 'oai_name', 'visible'];
+
+    @column({
+        isPrimary: true,
+    })
+    public id: number;
+
+    @column({})
+    public name: string;
+
+    @column({})
+    public oai_name?: string;
+
+    @column({})
+    public position: number;
+
+    @column({})
+    public visible: boolean;
+
+    @column({})
+    public visible_frontdoor: boolean;
+
+    @column({})
+    public visible_oai: boolean;
+
+    @hasMany(() => Collection, {
+        foreignKey: 'role_id',
+    })
+    public collections: HasMany<typeof Collection>;
+}