Added 'start bot' button

src/components/chat/bubbles.ts

@@ -1953,7 +1953,7 @@ export default class ChatBubbles {
     this.isTopPaddingSet = false;
   }
 
-  public setPeer(peerId: PeerId, lastMsgId?: number): {cached?: boolean, promise: Chat['setPeerPromise']} {
+  public setPeer(peerId: PeerId, lastMsgId?: number, startParam?: string): {cached?: boolean, promise: Chat['setPeerPromise']} {
     //console.time('appImManager setPeer');
     //console.time('appImManager setPeer pre promise');
     ////console.time('appImManager: pre render start');
@@ -2020,6 +2020,10 @@ export default class ChatBubbles {
           this.chat.dispatchEvent('setPeer', lastMsgId, true);
         }
 
+        if(startParam !== undefined) {
+          this.chat.input.setStartParam(startParam);
+        }
+        
         return null;
       }
     } else {
@@ -2095,7 +2099,7 @@ export default class ChatBubbles {
       if(!samePeer) {
         scrollable.container.textContent = '';
         //oldChatInner.remove();
-        this.chat.finishPeerChange(isTarget, isJump, lastMsgId);
+        this.chat.finishPeerChange(isTarget, isJump, lastMsgId, startParam);
         this.preloader.attach(this.bubblesContainer);
       }
     }
@@ -2110,7 +2114,7 @@ export default class ChatBubbles {
 
       if(cached) {
         if(!samePeer) {
-          this.chat.finishPeerChange(isTarget, isJump, lastMsgId); // * костыль
+          this.chat.finishPeerChange(isTarget, isJump, lastMsgId, startParam); // * костыль
         }
       } else {
         this.preloader.detach();

src/components/chat/chat.ts

@@ -34,7 +34,7 @@ import ChatContextMenu from "./contextMenu";
 import ChatInput from "./input";
 import ChatSelection from "./selection";
 import ChatTopbar from "./topbar";
-import { NULL_PEER_ID, REPLIES_PEER_ID } from "../../lib/mtproto/mtproto_config";
+import { BOT_START_PARAM, NULL_PEER_ID, REPLIES_PEER_ID } from "../../lib/mtproto/mtproto_config";
 import SetTransition from "../singleTransition";
 import { fastRaf } from "../../helpers/schedulers";
 import AppPrivateSearchTab from "../sidebarRight/tabs/search";
@@ -109,6 +109,8 @@ export default class Chat extends EventListenerBase<{
     this.log = logger('CHAT', LogTypes.Log | LogTypes.Warn | LogTypes.Debug | LogTypes.Error);
     //this.log.error('Chat construction');
 
+    this.peerId = NULL_PEER_ID;
+
     this.container.append(this.backgroundEl);
     this.appImManager.chatsContainer.append(this.container);
   }
@@ -255,7 +257,7 @@ export default class Chat extends EventListenerBase<{
     this.selection.cleanup();
   }
 
-  public setPeer(peerId: PeerId, lastMsgId?: number) {
+  public setPeer(peerId: PeerId, lastMsgId?: number, startParam?: string) {
     if(!peerId) {
       this.inited = undefined;
     } else if(!this.inited) {
@@ -270,7 +272,7 @@ export default class Chat extends EventListenerBase<{
     const samePeer = this.peerId === peerId;
     if(!samePeer) {
       rootScope.dispatchEvent('peer_changing', this);
-      this.peerId = peerId;
+      this.peerId = peerId || NULL_PEER_ID;
     } else if(this.setPeerPromise) {
       return;
     }
@@ -306,7 +308,11 @@ export default class Chat extends EventListenerBase<{
 
     this.peerChanged = samePeer;
 
-    const result = this.bubbles.setPeer(peerId, lastMsgId);
+    if(startParam === undefined && this.isStartButtonNeeded()) {
+      startParam = BOT_START_PARAM;
+    }
+
+    const result = this.bubbles.setPeer(peerId, lastMsgId, startParam);
     if(!result) {
       return;
     }
@@ -361,7 +367,7 @@ export default class Chat extends EventListenerBase<{
     return this.setPeer(this.peerId, messageId);
   }
 
-  public finishPeerChange(isTarget: boolean, isJump: boolean, lastMsgId: number) {
+  public finishPeerChange(isTarget: boolean, isJump: boolean, lastMsgId: number, startParam?: string) {
     if(this.peerChanged) return;
 
     let peerId = this.peerId;
@@ -372,7 +378,7 @@ export default class Chat extends EventListenerBase<{
     this.topbar.setPeer(peerId);
     this.topbar.finishPeerChange(isTarget, isJump, lastMsgId);
     this.bubbles.finishPeerChange();
-    this.input.finishPeerChange();
+    this.input.finishPeerChange(startParam);
 
     appSidebarRight.sharedMediaTab.fillProfileElements();
 
@@ -421,4 +427,10 @@ export default class Chat extends EventListenerBase<{
   public canSend(action?: ChatRights) {
     return this.appMessagesManager.canSendToPeer(this.peerId, this.threadId, action);
   }
+
+  public isStartButtonNeeded() {
+    return this.appPeersManager.isBot(this.peerId) && 
+      !this.appMessagesManager.getDialogOnly(this.peerId) && 
+      !this.appMessagesManager.getHistoryStorage(this.peerId).history.length;
+  }
 }

src/components/chat/input.ts

@@ -80,12 +80,13 @@ import { copy } from '../../helpers/object';
 import PopupPeer from '../popups/peer';
 import MEDIA_MIME_TYPES_SUPPORTED from '../../environment/mediaMimeTypesSupport';
 import appMediaPlaybackController from '../appMediaPlaybackController';
-import { NULL_PEER_ID } from '../../lib/mtproto/mtproto_config';
+import { BOT_START_PARAM, NULL_PEER_ID } from '../../lib/mtproto/mtproto_config';
 import setCaretAt from '../../helpers/dom/setCaretAt';
 import CheckboxField from '../checkboxField';
 import DropdownHover from '../../helpers/dropdownHover';
 import RadioForm from '../radioForm';
 import findUpTag from '../../helpers/dom/findUpTag';
+import toggleDisability from '../../helpers/dom/toggleDisability';
 
 const RECORD_MIN_TIME = 500;
 const POSTING_MEDIA_NOT_ALLOWED = 'Posting media content isn\'t allowed in this group.';
@@ -205,6 +206,7 @@ export default class ChatInput {
   private fakeSelectionWrapper: HTMLDivElement;
 
   private fakeWrapperTo: HTMLElement;
+  private toggleBotStartBtnDisability: () => void;
 
   // private activeContainer: HTMLElement;
 
@@ -678,6 +680,20 @@ export default class ChatInput {
           if(this.replyToMsgId && msgs.has(this.replyToMsgId)) {
             this.clearHelper('reply');
           }
+
+          /* if(this.chat.isStartButtonNeeded()) {
+            this.setStartParam(BOT_START_PARAM);
+          } */
+        }
+      });
+
+      this.listenerSetter.add(rootScope)('dialogs_multiupdate', (dialogs) => {
+        if(dialogs[this.chat.peerId]) {
+          if(this.startParam === BOT_START_PARAM) {
+            this.setStartParam();
+          } else { // updateNewMessage comes earlier than dialog appers
+            this.center(true);
+          }
         }
       });
     }
@@ -794,6 +810,27 @@ export default class ChatInput {
     this.botStartBtn = Button('btn-primary btn-transparent text-bold chat-input-control-button');
     this.botStartBtn.append(i18n('BotStart'));
 
+    attachClickEvent(this.botStartBtn, () => {
+      const {startParam} = this;
+      if(startParam === undefined) {
+        return;
+      }
+
+      const toggle = this.toggleBotStartBtnDisability = toggleDisability([this.botStartBtn], true);
+      const peerId = this.chat.peerId;
+      const middleware = this.chat.bubbles.getMiddleware(() => {
+        return this.chat.peerId === peerId && this.startParam === startParam && this.toggleBotStartBtnDisability === toggle;
+      });
+
+      this.appMessagesManager.startBot(peerId.toUserId(), undefined, startParam).then(() => {
+        if(middleware()) {
+          toggle();
+          this.toggleBotStartBtnDisability = undefined;
+          this.setStartParam();
+        }
+      });
+    }, {listenerSetter: this.listenerSetter});
+
     this.controlContainer.append(this.botStartBtn);
   }
 
@@ -824,6 +861,10 @@ export default class ChatInput {
       return;
     }
 
+    if(neededFakeContainer === this.fakeWrapperTo) {
+      return;
+    }
+
     /* if(neededFakeContainer === this.botStartContainer && this.fakeWrapperTo === this.fakeSelectionWrapper) {
       this.inputContainer.classList.remove('is-centering');
       void this.rowsWrapper.offsetLeft; // reflow
@@ -882,10 +923,23 @@ export default class ChatInput {
     };
   }
 
+  public setStartParam(startParam?: string) {
+    if(this.startParam === startParam) {
+      return;
+    }
+
+    this.startParam = startParam;
+    this.center(true);
+  }
+
   public getNeededFakeContainer() {
     if(this.chat.selection.isSelecting) {
       return this.fakeSelectionWrapper;
-    } else if(this.startParam || !this.chat.canSend() || this.chat.type === 'pinned') {
+    } else if(this.startParam !== undefined || 
+      !this.chat.canSend() || 
+      this.chat.type === 'pinned' || 
+      this.chat.isStartButtonNeeded()
+    ) {
       return this.controlContainer;
     }
   }
@@ -1011,6 +1065,12 @@ export default class ChatInput {
     cancelSelection();
 
     this.lastTimeType = 0;
+    this.startParam = undefined;
+
+    if(this.toggleBotStartBtnDisability) {
+      this.toggleBotStartBtnDisability();
+      this.toggleBotStartBtnDisability = undefined;
+    }
 
     if(this.messageInput) {
       this.clearInput();
@@ -1062,7 +1122,7 @@ export default class ChatInput {
     return true;
   }
 
-  public finishPeerChange() {
+  public finishPeerChange(startParam?: string) {
     const peerId = this.chat.peerId;
 
     const {forwardElements, btnScheduled, replyKeyboard, sendMenu, goDownBtn, chatInput} = this;
@@ -1110,7 +1170,12 @@ export default class ChatInput {
       this.pinnedControlBtn.append(i18n(this.appPeersManager.canPinMessage(this.chat.peerId) ? 'Chat.Input.UnpinAll' : 'Chat.Pinned.DontShow'));
     }
 
-    this.center();
+    // * testing
+    // this.startParam = this.appPeersManager.isBot(peerId) ? '123' : undefined;
+    
+    this.startParam = startParam;
+
+    this.center(false);
   }
 
   public updateMessageInput() {

src/components/sidebarLeft/index.ts

@@ -159,7 +159,9 @@ export class AppSidebarLeft extends SidebarSlider {
       icon: 'help',
       text: 'TelegramFeatures',
       onClick: () => {
-        appImManager.openUsername('TelegramTips');
+        appImManager.openUsername({
+          userName: 'TelegramTips'
+        });
       }
     }, {
       icon: 'bug',

src/helpers/dom/toggleDisability.ts

@@ -4,7 +4,7 @@
  * https://github.com/morethanwords/tweb/blob/master/LICENSE
  */
 
-export default function toggleDisability(elements: HTMLElement[], disable: boolean) {
+export default function toggleDisability(elements: HTMLElement[], disable: boolean): () => void {
   if(disable) {
     elements.forEach(el => el.setAttribute('disabled', 'true'));
   } else {

src/helpers/object.ts

@@ -30,7 +30,7 @@ export function copy<T>(obj: T): T {
   //lastly, handle objects
   // @ts-ignore
   let clonedObj = new obj.constructor();
-  for(var prop in obj){
+  for(var prop in obj) {
     if(obj.hasOwnProperty(prop)) {
       clonedObj[prop] = copy(obj[prop]);
     }

src/layer.d.ts

@@ -885,7 +885,8 @@ export namespace Message {
 		totalEntities?: MessageEntity[],
 		reply_to_mid?: number,
 		savedFrom?: string,
-		sponsoredMessage?: SponsoredMessage.sponsoredMessage
+		sponsoredMessage?: SponsoredMessage.sponsoredMessage,
+		promise?: CancellablePromise<void>
 	};
 
 	export type messageService = {

src/lib/appManagers/appImManager.ts

@@ -604,7 +604,12 @@ export class AppImManager {
         const postId = link.post ? appMessagesIdsManager.generateMessageId(+link.post) : undefined;
         const commentId = link.comment ? appMessagesIdsManager.generateMessageId(+link.comment) : undefined;
 
-        this.openUsername(link.domain, postId, undefined, commentId);
+        this.openUsername({
+          userName: link.domain, 
+          lastMsgId: postId, 
+          commentId,
+          startParam: link.start
+        });
         break;
       }
 
@@ -740,7 +745,10 @@ export class AppImManager {
 
         switch(p[0]) {
           case '@': {
-            this.openUsername(p, postId);
+            this.openUsername({
+              userName: p, 
+              lastMsgId: postId
+            });
             break;
           }
 
@@ -759,8 +767,15 @@ export class AppImManager {
     //location.hash = '';
   };
 
-  public openUsername(username: string, lastMsgId?: number, threadId?: number, commentId?: number) {
-    return appUsersManager.resolveUsername(username).then(peer => {
+  public openUsername(options: {
+    userName: string, 
+    lastMsgId?: number, 
+    threadId?: number, 
+    commentId?: number,
+    startParam?: string
+  }) {
+    const {userName, lastMsgId, threadId, commentId, startParam} = options;
+    return appUsersManager.resolveUsername(userName).then(peer => {
       const isUser = peer._ === 'user';
       const peerId = peer.id.toPeerId(!isUser);
 
@@ -772,7 +787,8 @@ export class AppImManager {
       
       return this.setInnerPeer({
         peerId,
-        lastMsgId
+        lastMsgId,
+        startParam: startParam
       });
     }, (err) => {
       if(err.type === 'USERNAME_NOT_OCCUPIED') {
@@ -1433,6 +1449,8 @@ export class AppImManager {
       this.init = null;
     }
 
+    options.peerId ??= NULL_PEER_ID;
+
     const {peerId, lastMsgId} = options;
 
     const chat = this.chat;
@@ -1476,7 +1494,7 @@ export class AppImManager {
     }
 
     if(peerId || mediaSizes.activeScreen !== ScreenSize.mobile) {
-      const result = chat.setPeer(peerId, lastMsgId);
+      const result = chat.setPeer(peerId, lastMsgId, options.startParam);
 
       // * wait for cached render
       const promise = result?.cached ? result.promise : Promise.resolve();

src/lib/appManagers/appMessagesManager.ts

@@ -448,7 +448,7 @@ export class AppMessagesManager {
     silent: true
   }> = {}) {
     if(!text.trim()) {
-      return;
+      return Promise.resolve();
     }
 
     //this.checkSendOptions(options);
@@ -552,7 +552,13 @@ export class AppMessagesManager {
         //if(is<Updates.updateShortSentMessage>(updates, updates._ === 'updateShortSentMessage')) {
         if(updates._ === 'updateShortSentMessage') {
           //assumeType<Updates.updateShortSentMessage>(updates);
+
+          // * fix copying object with promise
+          const promise = message.promise;
+          delete message.promise;
           const newMessage = copy(message);
+          message.promise = promise;
+
           newMessage.date = updates.date;
           newMessage.id = updates.id;
           newMessage.media = updates.media;
@@ -596,8 +602,10 @@ export class AppMessagesManager {
         // $timeout(function () {
         // ApiUpdatesManager.processUpdateMessage(upd)
         // }, 5000)
-      }, (/* error: any */) => {
+        message.promise.resolve();
+      }, (error: any) => {
         toggleError(true);
+        message.promise.reject(error);
       }).finally(() => {
         if(this.pendingAfterMsgs[peerId] === sentRequestOptions) {
           delete this.pendingAfterMsgs[peerId];
@@ -610,6 +618,8 @@ export class AppMessagesManager {
       threadId: options.threadId,
       clearDraft: options.clearDraft
     });
+
+    return message.promise;
   }
 
   public sendFile(peerId: PeerId, file: File | Blob | MyDocument, options: Partial<{
@@ -1027,8 +1037,11 @@ export class AppMessagesManager {
           }
 
           toggleError(true);
+          throw error;
         });
       });
+
+      sentDeferred.then(message.promise.resolve, message.promise.reject);
     }
 
     return {message, promise: sentDeferred};
@@ -1120,6 +1133,7 @@ export class AppMessagesManager {
     const invoke = (multiMedia: InputSingleMedia[]) => {
       this.setTyping(peerId, {_: 'sendMessageCancelAction'});
 
+      const deferred = deferredPromise<void>();
       this.sendSmthLazyLoadQueue.push({
         load: () => {
           return apiManager.invokeApi('messages.sendMultiMedia', {
@@ -1131,11 +1145,15 @@ export class AppMessagesManager {
             clear_draft: options.clearDraft
           }).then((updates) => {
             apiUpdatesManager.processUpdateMessage(updates);
+            deferred.resolve();
           }, (error) => {
             messages.forEach(message => toggleError(message, true));
+            deferred.reject(error);
           });
         }
       });
+
+      return deferred;
     };
 
     const promises: Promise<InputSingleMedia>[] = messages.map((message) => {
@@ -1181,8 +1199,8 @@ export class AppMessagesManager {
       });
     });
 
-    Promise.all(promises).then(inputs => {
-      invoke(inputs.filter(Boolean));
+    return Promise.all(promises).then(inputs => {
+      return invoke(inputs.filter(Boolean));
     });
   }
 
@@ -1362,6 +1380,8 @@ export class AppMessagesManager {
       threadId: options.threadId,
       clearDraft: options.clearDraft
     });
+
+    return message.promise;
   }
 
   /* private checkSendOptions(options: Partial<{
@@ -1472,6 +1492,7 @@ export class AppMessagesManager {
       replies: this.generateReplies(peerId),
       views: isBroadcast && 1,
       pending: true,
+      promise: options.groupId === undefined ? deferredPromise() : undefined
     };
 
     return message;

src/lib/mtproto/mtproto_config.ts

@@ -14,3 +14,4 @@ export const NULL_PEER_ID: PeerId = 0;
 export const REPLIES_PEER_ID: PeerId = 1271266957;
 export const SERVICE_PEER_ID: PeerId = 777000;
 export const MUTE_UNTIL = 0x7FFFFFFF;
+export const BOT_START_PARAM = '';

src/scripts/in/schema_additional_params.json

@@ -82,7 +82,8 @@
     {"name": "savedFrom", "type": "string"},
     {"name": "sponsored", "type": "true"},
     {"name": "local", "type": "true"},
-    {"name": "sponsoredMessage", "type": "SponsoredMessage.sponsoredMessage"}
+    {"name": "sponsoredMessage", "type": "SponsoredMessage.sponsoredMessage"},
+    {"name": "promise", "type": "CancellablePromise<void>"}
   ]
 }, {
   "predicate": "messageService",