port: [#4276] Add Teams read receipt event (#6356)

libraries/botbuilder/etc/botbuilder.api.md

@@ -51,6 +51,7 @@ import { NodeWebSocketFactoryBase } from 'botframework-streaming';
 import { O365ConnectorCardActionQuery } from 'botbuilder-core';
 import { PagedMembersResult } from 'botbuilder-core';
 import { PagedResult } from 'botbuilder-core';
+import { ReadReceiptInfo } from 'botframework-connector';
 import { RequestHandler } from 'botframework-streaming';
 import { ResourceResponse } from 'botbuilder-core';
 import { SigninStateVerificationQuery } from 'botbuilder-core';
@@ -395,6 +396,8 @@ export class TeamsActivityHandler extends ActivityHandler {
     onTeamsMembersAddedEvent(handler: (membersAdded: TeamsChannelAccount[], teamInfo: TeamInfo, context: TurnContext, next: () => Promise<void>) => Promise<void>): this;
     protected onTeamsMembersRemoved(context: TurnContext): Promise<void>;
     onTeamsMembersRemovedEvent(handler: (membersRemoved: TeamsChannelAccount[], teamInfo: TeamInfo, context: TurnContext, next: () => Promise<void>) => Promise<void>): this;
+    protected onTeamsReadReceipt(context: TurnContext): Promise<void>;
+    onTeamsReadReceiptEvent(handler: (receiptInfo: ReadReceiptInfo, context: TurnContext, next: () => Promise<void>) => Promise<void>): this;
     protected onTeamsTeamArchived(context: any): Promise<void>;
     onTeamsTeamArchivedEvent(handler: (teamInfo: TeamInfo, context: TurnContext, next: () => Promise<void>) => Promise<void>): this;
     protected onTeamsTeamDeleted(context: any): Promise<void>;

libraries/botbuilder/src/teamsActivityHandler.ts

@@ -33,6 +33,7 @@ import {
     tokenExchangeOperationName,
     verifyStateOperationName,
 } from 'botbuilder-core';
+import { ReadReceiptInfo } from 'botframework-connector';
 import { TeamsInfo } from './teamsInfo';
 import * as z from 'zod';
 
@@ -1001,6 +1002,8 @@ export class TeamsActivityHandler extends ActivityHandler {
     protected async dispatchEventActivity(context: TurnContext): Promise<void> {
         if (context.activity.channelId === Channels.Msteams) {
             switch (context.activity.name) {
+                case 'application/vnd.microsoft.readReceipt':
+                    return this.onTeamsReadReceipt(context);
                 case 'application/vnd.microsoft.meetingStart':
                     return this.onTeamsMeetingStart(context);
                 case 'application/vnd.microsoft.meetingEnd':
@@ -1033,6 +1036,17 @@ export class TeamsActivityHandler extends ActivityHandler {
         await this.handle(context, 'TeamsMeetingEnd', this.defaultNextEvent(context));
     }
 
+    /**
+     * Invoked when a read receipt for a previously sent message is received from the connector.
+     * Override this in a derived class to provide logic for when the bot receives a read receipt event.
+     *
+     * @param context The context for this turn.
+     * @returns A promise that represents the work queued.
+     */
+    protected async onTeamsReadReceipt(context: TurnContext): Promise<void> {
+        await this.handle(context, 'TeamsReadReceipt', this.defaultNextEvent(context));
+    }
+
     /**
      * Registers a handler for when a Teams meeting starts.
      *
@@ -1082,4 +1096,19 @@ export class TeamsActivityHandler extends ActivityHandler {
             );
         });
     }
+
+    /**
+     * Registers a handler for when a Read Receipt is sent.
+     *
+     * @param handler A callback that handles Read Receipt events.
+     * @returns A promise that represents the work queued.
+     */
+    onTeamsReadReceiptEvent(
+        handler: (receiptInfo: ReadReceiptInfo, context: TurnContext, next: () => Promise<void>) => Promise<void>
+    ): this {
+        return this.on('TeamsReadReceipt', async (context, next) => {
+            const receiptInfo = context.activity.value;
+            await handler(new ReadReceiptInfo(receiptInfo.lastReadMessageId), context, next);
+        });
+    }
 }

libraries/botbuilder/tests/teamsActivityHandler.test.js

@@ -2350,5 +2350,52 @@ describe('TeamsActivityHandler', function () {
                 })
                 .startTest();
         });
+
+        it('onTeamsReadReceipt routed activity', async function () {
+            let onTeamsReadReceiptCalled = false;
+            const bot = new TeamsActivityHandler();
+            const activity = {
+                channelId: Channels.Msteams,
+                type: 'event',
+                name: 'application/vnd.microsoft.readReceipt',
+                value: JSON.parse('{ "lastReadMessageId": 10101010}'),
+            };
+
+            bot.onEvent(async (context, next) => {
+                assert(context, 'context not found');
+                assert(next, 'next not found');
+                onEventCalled = true;
+                await next();
+            });
+
+            bot.onTeamsReadReceiptEvent(async (receiptInfo, context, next) => {
+                assert(receiptInfo, 'receiptInfo not found');
+                assert(context, 'context not found');
+                assert(next, 'next not found');
+                assert.strictEqual(receiptInfo.lastReadMessageId, activity.value.lastReadMessageId);
+                onTeamsReadReceiptCalled = true;
+                await next();
+            });
+
+            bot.onDialog(async (context, next) => {
+                assert(context, 'context not found');
+                assert(next, 'next not found');
+                onDialogCalled = true;
+                await next();
+            });
+
+            const adapter = new TestAdapter(async (context) => {
+                await bot.run(context);
+            });
+
+            await adapter
+                .send(activity)
+                .then(() => {
+                    assert(onTeamsReadReceiptCalled);
+                    assert(onEventCalled, 'onConversationUpdate handler not called');
+                    assert(onDialogCalled, 'onDialog handler not called');
+                })
+                .startTest();
+        });
     });
 });

libraries/botframework-connector/src/teams/index.ts

@@ -24,3 +24,4 @@
 export * from './teamsConnectorClient';
 export * from './teamsConnectorClientContext';
 export * from './models';
+export * from './readReceiptInfo';

libraries/botframework-connector/src/teams/readReceiptInfo.ts

@@ -0,0 +1,60 @@
+/**
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License.
+ */
+
+/**
+ * General information about a read receipt.
+ */
+export class ReadReceiptInfo {
+    /**
+     * The id of the last read message.
+     */
+    lastReadMessageId: string;
+
+    /**
+     * Initializes a new instance of the ReadReceiptInfo class.
+     *
+     * @param lastReadMessageId Optional. The id of the last read message.
+     */
+    constructor(lastReadMessageId?: string) {
+        this.lastReadMessageId = lastReadMessageId;
+    }
+
+    /**
+     * Helper method useful for determining if a message has been read. This method
+     * converts the strings to numbers. If the compareMessageId is less than or equal to
+     * the lastReadMessageId, then the message has been read.
+     *
+     * @param compareMessageId The id of the message to compare.
+     * @param lastReadMessageId The id of the last message read by the user.
+     * @returns True if the compareMessageId is less than or equal to the lastReadMessageId.
+     */
+    static isMessageRead(compareMessageId: string, lastReadMessageId: string): boolean {
+        if (
+            compareMessageId &&
+            compareMessageId.trim().length > 0 &&
+            lastReadMessageId &&
+            lastReadMessageId.trim().length > 0
+        ) {
+            const compareMessageIdNum = Number(compareMessageId);
+            const lastReadMessageIdNum = Number(lastReadMessageId);
+
+            if (compareMessageIdNum && lastReadMessageIdNum) {
+                return compareMessageIdNum <= lastReadMessageIdNum;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Helper method useful for determining if a message has been read.
+     * If the compareMessageId is less than or equal to the lastReadMessageId, then the message has been read.
+     *
+     * @param compareMessageId The id of the message to compare.
+     * @returns True if the compareMessageId is less than or equal to the lastReadMessageId.
+     */
+    isMessageRead(compareMessageId: string): boolean {
+        return ReadReceiptInfo.isMessageRead(compareMessageId, this.lastReadMessageId);
+    }
+}

libraries/botframework-connector/tests/teams/readReceiptInfo.test.js

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+const assert = require('assert');
+const { ReadReceiptInfo } = require('../..');
+
+describe('ReadReceiptInfo', function () {
+    const testCases = [
+        { title: 'compare msg equal to last', compare: '1000', lastRead: '1000', isRead: true },
+        { title: 'compare msg < than last', compare: '1000', lastRead: '1001', isRead: true },
+        { title: 'compare msg > than last', compare: '1001', lastRead: '1000', isRead: false },
+        { title: 'null compare msg', compare: null, lastRead: '1000', isRead: false },
+        { title: 'null last msg', compare: '1000', lastRead: null, isRead: false },
+    ];
+
+    testCases.map((testData) => {
+        it(testData.title, function () {
+            const readReceipt = new ReadReceiptInfo(testData.lastRead);
+
+            assert.strictEqual(readReceipt.lastReadMessageId, testData.lastRead);
+            assert.strictEqual(readReceipt.isMessageRead(testData.compare), testData.isRead);
+            assert.strictEqual(ReadReceiptInfo.isMessageRead(testData.compare, testData.lastRead), testData.isRead);
+        });
+    });
+});