chat-core-zendesk: fetch new user's first conversation ID #48

the returned conversation ID when invoking `Smooch.createConversation` for a new user is `TEMPORARY_CONVERSATION`. In order the the rest of the integration logic to work, we need the actual conversation ID. this PR updates it to re-fetch using `Smooch.getDisplayedConversation` to get the actual id for the session. Subsequent conversation creation do return the proper ID so this additional logic is not needed there

J=CLIP-1516
TEST=manual

clear all cookies and values in local/session storage to start as a new user, see that it no longer throws an error on the first conversation.

packages/chat-core-zendesk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@yext/chat-core-zendesk",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Typescript Networking Library for the Yext Chat API Integration with Zendesk",
   "main": "./dist/commonjs/index.js",
   "module": "./dist/esm/index.mjs",

packages/chat-core-zendesk/src/infra/ChatCoreZendeskImpl.ts

@@ -88,13 +88,23 @@ export class ChatCoreZendeskImpl {
    * with the conversation summary as the initial message.
    */
   private async setupSession(messageRsp: MessageResponse) {
-    const convo: Conversation = await Smooch.createConversation({
+    let convo: Conversation = await Smooch.createConversation({
       metadata: {
         "zen:ticket:tags": "yext-chat",
         // this indicates to the internal zendesk bot webhook that the conversation is from the Chat SDK
         [MetadataChatSDKKey]: true,
       },
     });
+
+    // On first conversation creation of a new user, the id is TEMPORARY_CONVERSATION.
+    // We need to re-fetch the current conversation to get the actual id.
+    if (convo.id === 'TEMPORARY_CONVERSATION') {
+      const currentConversation = Smooch.getDisplayedConversation();
+      if (!currentConversation) {
+        throw new Error("No conversation found");
+      }
+      convo = currentConversation;
+    }
     this.conversationId = convo.id;
     Smooch.loadConversation(convo.id);
     Smooch.sendMessage(