apply collection and folder views

src/models/view/collectionView.ts

@@ -0,0 +1,18 @@
+import { View } from './view';
+
+import { Collection } from '../domain/collection';
+
+export class CollectionView implements View {
+    id: string;
+    organizationId: string;
+    name: string;
+
+    constructor(c?: Collection) {
+        if (!c) {
+            return;
+        }
+
+        this.id = c.id;
+        this.organizationId = c.organizationId;
+    }
+}

src/models/view/folderView.ts

@@ -0,0 +1,16 @@
+import { View } from './view';
+
+import { Folder } from '../domain/folder';
+
+export class FolderView implements View {
+    id: string;
+    name: string;
+
+    constructor(f?: Folder) {
+        if (!f) {
+            return;
+        }
+
+        this.id = f.id;
+    }
+}

src/models/view/secureNoteView.ts

@@ -7,7 +7,11 @@ import { SecureNote } from '../domain/secureNote';
 export class SecureNoteView implements View {
     type: SecureNoteType;
 
-    constructor(n: SecureNote) {
+    constructor(n?: SecureNote) {
+        if (!n) {
+            return;
+        }
+
         this.type = n.type;
     }