feat: send welcome help card

packages/api2teams/src/parser.ts

@@ -174,6 +174,12 @@ export async function parseApi(yaml: string, options: CliOptions) {
     console.log(` > generate ${apiProviderResult.name} successfully!`);
   }
 
+  console.log('generate teams bot file');
+  await fs.copy(
+    __dirname + '/resources/teamsBotTemplate.txt',
+    options.output + '/src/teamsBot.ts'
+  );
+
   console.log('generate index file');
   const indexFile = await generateIndexFile(responseCards);
   const indexFilePath = path.join(

packages/api2teams/src/resources/indexFileTemplate.txt

@@ -1,6 +1,7 @@
 import * as restify from "restify";
 import { BotBuilderCloudAdapter } from "@microsoft/teamsfx";
 import ConversationBot = BotBuilderCloudAdapter.ConversationBot;
+import { TeamsBot } from "./teamsBot";
 
 {{importStatements}}
 
@@ -34,6 +35,9 @@ server.listen(process.env.port || process.env.PORT || 3978, () => {
 // The Teams Toolkit bot registration configures the bot with `/api/messages` as the
 // Bot Framework endpoint. If you customize this route, update the Bot registration
 // in `templates/azure/provision/botservice.bicep`.
+const teamsBot = new TeamsBot();
 server.post("/api/messages", async (req, res) => {
-  await commandBot.requestHandler(req, res);
+  await commandBot.requestHandler(req, res, async (context) => {
+    await teamsBot.run(context);
+  });
 });

packages/api2teams/src/resources/teamsBotTemplate.txt

@@ -0,0 +1,28 @@
+import { MessageBuilder } from "@microsoft/teamsfx";
+import { TeamsActivityHandler } from "botbuilder";
+import helpCard from "./adaptiveCards/helpCard.json";
+
+// An empty teams activity handler.
+// You can add your customization code here to extend your bot logic if needed.
+export class TeamsBot extends TeamsActivityHandler {
+  constructor() {
+    super();
+    this.onMembersAdded(async (context, next) => {
+      if (context.activity.membersAdded) {
+        // Iterate over all new members added to the conversation
+        for (const member of context.activity.membersAdded) {
+          // Greet anyone that was not the target (recipient) of this message.
+          // Since the bot is the recipient for events from the channel,
+          // context.activity.membersAdded === context.activity.recipient.Id indicates the
+          // bot was added to the conversation, and the opposite indicates this is a user.
+          if (member.id !== context.activity.recipient.id) {
+            await context.sendActivity(MessageBuilder.attachAdaptiveCardWithoutData(helpCard));
+          }
+        }
+      }
+
+      // By calling next() you ensure that the next BotHandler is run.
+      await next();
+    });
+  }
+}