Make testing for moderator state centralized in User class

web/interfaces/socket-events.ts

@@ -28,8 +28,25 @@ export interface SocketEvent {
 export interface ConnectedClientInfoEvent extends SocketEvent {
   user: User;
 }
-export interface ChatEvent extends SocketEvent {
+export class ChatEvent implements SocketEvent {
+  constructor(message) {
+    this.id = message.id;
+    this.timestamp = message.timestamp;
+    this.type = message.type;
+    this.body = message.body;
+    if (message.user) {
+      this.user = new User(message.user);
+    }
+  }
+
+  timestamp: Date;
+
+  type: MessageType;
+
+  id: string;
+
   user: User;
+
   body: string;
 }
 

web/interfaces/user.fixture.ts

@@ -9,6 +9,8 @@ export const createUser = (name: string, color: number, createdAt: Date): User =
   nameChangedAt: createdAt,
   previousNames: [],
   scopes: [],
+
+  isModerator: () => false,
 });
 
 export const spidermanUser = createUser('Spiderman', 1, new Date(2020, 1, 2));

web/interfaces/user.model.ts

@@ -1,10 +1,37 @@
-export interface User {
+/* eslint-disable import/prefer-default-export */
+export class User {
+  constructor(u) {
+    this.id = u.id;
+    this.displayName = u.displayName;
+    this.displayColor = u.displayColor;
+    this.createdAt = u.createdAt;
+    this.previousNames = u.previousNames;
+    this.nameChangedAt = u.nameChangedAt;
+    this.scopes = u.scopes;
+    this.authenticated = u.authenticated;
+  }
+
   id: string;
+
   displayName: string;
+
   displayColor: number;
+
   createdAt: Date;
+
   previousNames: string[];
+
   nameChangedAt: Date;
+
   scopes: string[];
+
   authenticated: boolean;
+
+  public isModerator = (): boolean => {
+    if (!this.scopes || this.scopes.length === 0) {
+      return false;
+    }
+
+    return this.scopes.includes('moderator');
+  };
 }