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angular-chat-widget-rasa

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A chatbot widget that is able to connect to a rasa chatbot using SocketIO

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/** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ import { Component, ElementRef, HostListener, Input, ViewChild } from '@angular/core'; import { Subject } from 'rxjs'; import { fadeIn, fadeInOut } from '../animations'; import { ChatService } from '../chatbot-rasa.service'; /** @type {?} */ const rand = (/** * @param {?} max * @return {?} */ max => Math.floor(Math.random() * max)); const ɵ0 = rand; export class ChatWidgetComponent { /** * @param {?} chatService */ constructor(chatService) { this.theme = 'blue'; this.botName = 'Bot'; this.botAvatar = `https://cdn.dribbble.com/users/275794/screenshots/3128598/gbot_800.png`; this.userAvatar = `https://storage.proboards.com/6172192/images/gKhXFw_5W0SD4nwuMev1.png`; this.url = 'http://localhost:5002'; this.startingMessage = 'Hi, how can we help you?'; this.opened = true; this._visible = false; this.focus = new Subject(); this.messages = []; this.chatService = chatService; this.chatService.connect(this.url); } /** * @return {?} */ get visible() { return this._visible; } /** * @param {?} visible * @return {?} */ set visible(visible) { this._visible = visible; if (this._visible) { setTimeout((/** * @return {?} */ () => { this.scrollToBottom(); this.focusMessage(); }), 0); } } /** * @param {?} from * @param {?} text * @param {?} type * @return {?} */ addMessage(from, text, type) { this.messages.unshift({ from, text, type, date: new Date().getTime(), }); this.scrollToBottom(); } /** * @return {?} */ scrollToBottom() { if (this.bottom !== undefined) { this.bottom.nativeElement.scrollIntoView(); } } /** * @return {?} */ focusMessage() { this.focus.next(true); } /** * @return {?} */ ngOnInit() { this.client = { name: 'Guest User', status: 'online', avatar: this.userAvatar, }; this.operator = { name: this.botName, status: 'online', avatar: this.botAvatar, }; if (this.opened) { setTimeout((/** * @return {?} */ () => this.visible = true), 1000); } setTimeout((/** * @return {?} */ () => { this.addMessage(this.operator, this.startingMessage, 'received'); }), 1500); this.chatService .getMessages() .subscribe((/** * @param {?} message * @return {?} */ (message) => { setTimeout((/** * @return {?} */ () => { this.addMessage(this.operator, message.text, 'received'); }), 1000); })); } /** * @return {?} */ toggleChat() { this.visible = !this.visible; } /** * @param {?} __0 * @return {?} */ sendMessage({ message }) { if (message.trim() === '') { return; } this.addMessage(this.client, message, 'sent'); this.chatService.sendMessage(message); } /** * @param {?} event * @return {?} */ handleKeyboardEvent(event) { if (event.key === '/') { this.focusMessage(); } if (event.key === '?' && !this._visible) { this.toggleChat(); } } } ChatWidgetComponent.decorators = [ { type: Component, args: [{ selector: 'chat-widget', template: "<div class=\"wrapper {{theme}}\">\n <div class=\"chat-box\" *ngIf=\"visible\" [@fadeInOut]=\"visible\">\n <div class=\"chat-box-header\">\n <div class=\"\">\n <div class=\"operator-status\">\n {{operator.status}}\n <span class=\"operator-status-online\">\u25CF</span>\n <button class=\"chat-button-header\" (click)=\"toggleChat()\">\u2715</button>\n </div>\n <chat-avatar [image]=\"operator.avatar\"></chat-avatar>\n <h3 class=\"operator-name\">\n {{operator.name}}\n </h3>\n </div>\n </div>\n <div class=\"chat-box-main\">\n <div class=\"chat-message-bottom\" #bottom></div>\n <ng-container *ngFor=\"let message of messages\">\n <div class=\"chat-message\" [class.chat-message-received]=\"message.type === 'received'\"\n [@fadeIn]\n [class.chat-message-sent]=\"message.type === 'sent'\">\n <div >\n <chat-avatar [image]=\"message.from.avatar\" class=\"chat-message-from-avatar\"></chat-avatar>\n <div class=\"chat-message-text\">\n {{message.text}}\n </div>\n </div>\n <div class=\"chat-message-date\">\n {{message.date | date: 'short'}}\n </div>\n </div>\n </ng-container>\n </div>\n <div class=\"chat-box-footer\">\n <chat-input (send)=\"sendMessage($event)\" (dismiss)=\"toggleChat()\" [focus]=\"focus\"></chat-input>\n </div>\n </div>\n <button class=\"chat-button\" (click)=\"toggleChat()\">\n <span [@fadeIn] *ngIf=\"visible\">\u2715</span>\n <span [@fadeIn] *ngIf=\"!visible\">?</span>\n </button>\n</div>\n", animations: [fadeInOut, fadeIn], styles: ["*{box-sizing:border-box;position:relative;font-family:\"Open Sans\",\"Helvetica Neue\",sans-serif}.wrapper{position:absolute;top:0;bottom:0;height:100vh;width:100vw}.chat-button{z-index:1;width:60px;height:60px;position:absolute;bottom:20px;right:40px;box-shadow:0 5px 40px rgba(0,0,0,.16);background:#1976d2;border-radius:50%;border:none;outline:0;color:#fff;font-size:32px}.chat-button-header{z-index:1;font-weight:700;color:#fff;border:1px solid #fff;background-color:inherit;padding:5px 9px;margin-left:5px}.chat-button:focus{border:2px solid #fff}.chat-box{z-index:2;position:absolute;left:0;height:100vh;width:100vw;margin:0;display:flex;flex-direction:column;box-shadow:0 5px 40px rgba(0,0,0,.16);background:#1976d2}.chat-box-hidden{display:none}.chat-box-header{padding:10px;color:#fff}.chat-box-main{flex:1;width:100%;background:#f5f5f5;display:flex;flex-direction:column-reverse;overflow:auto}.chat-box-footer{color:#fff;height:50px}.operator-name{margin:0;padding:1px}.operator-status{float:right;padding:4px}.operator-status span{margin-left:4px}.operator-status-online{color:#7cfc00}.operator-status-offline{color:red}.operator-avatar{height:30px;width:30px;border-radius:50%;float:left;margin-right:10px}.chat-message{display:block;width:auto;margin:5px;align-self:flex-start;flex-direction:row;max-width:80%;word-wrap:break-word}.chat-message-date{font-size:11px;color:#8d898d;padding:5px}.chat-message-from-avatar{height:35px;width:35px;border-radius:50%}.chat-message-text{margin-left:10px;padding:10px;border-radius:3px}.chat-message-received{margin-right:50px}.chat-message-received .chat-message-text{background:#b9d6f2;margin-left:50px;border-bottom-left-radius:0}.chat-message-received .chat-message-text:before{position:absolute;content:\" \";left:-10px;bottom:0;border-right:10px solid #b9d6f2;border-top:10px solid transparent;z-index:0}.chat-message-received .chat-message-date{margin-left:50px}.chat-message-received .chat-message-from-avatar{position:absolute;left:0;bottom:-15px}.chat-message-sent{align-self:flex-end}.chat-message-sent .chat-message-from{float:right}.chat-message-sent .chat-message-text{background:#84dccf;margin-right:50px;border-bottom-right-radius:0}.chat-message-sent .chat-message-text:after{position:absolute;content:\" \";right:-10px;bottom:0;border-left:10px solid #84dccf;border-top:10px solid transparent;z-index:0}.chat-message-sent .chat-message-date{text-align:right;padding-right:50px}.chat-message-sent .chat-message-from-avatar{position:absolute;right:0;bottom:-15px}.blue .chat-box,.blue .chat-button{background:#1976d2}.grey .chat-box,.grey .chat-button{background:#454549}.red .chat-box,.red .chat-button{background:#dd0031}@media (min-width:576px){.wrapper{top:auto;right:0;width:300px}.chat-button{display:block}.chat-button-header{display:none}.chat-box{top:auto;left:auto;bottom:100px;right:40px;height:60vh;width:300px;border-radius:10px}}@media (min-width:768px){.chat-box{height:70vh}}@media (min-width:992px){.chat-box{height:80vh}}"] }] } ]; /** @nocollapse */ ChatWidgetComponent.ctorParameters = () => [ { type: ChatService } ]; ChatWidgetComponent.propDecorators = { bottom: [{ type: ViewChild, args: ['bottom',] }], theme: [{ type: Input }], botName: [{ type: Input }], botAvatar: [{ type: Input }], userAvatar: [{ type: Input }], url: [{ type: Input }], startingMessage: [{ type: Input }], opened: [{ type: Input }], visible: [{ type: Input }], handleKeyboardEvent: [{ type: HostListener, args: ['document:keypress', ['$event'],] }] }; if (false) { /** @type {?} */ ChatWidgetComponent.prototype.bottom; /** @type {?} */ ChatWidgetComponent.prototype.theme; /** @type {?} */ ChatWidgetComponent.prototype.botName; /** @type {?} */ ChatWidgetComponent.prototype.botAvatar; /** @type {?} */ ChatWidgetComponent.prototype.userAvatar; /** @type {?} */ ChatWidgetComponent.prototype.url; /** @type {?} */ ChatWidgetComponent.prototype.startingMessage; /** @type {?} */ ChatWidgetComponent.prototype.opened; /** @type {?} */ ChatWidgetComponent.prototype._visible; /** * @type {?} * @private */ ChatWidgetComponent.prototype.chatService; /** @type {?} */ ChatWidgetComponent.prototype.focus; /** @type {?} */ ChatWidgetComponent.prototype.operator; /** @type {?} */ ChatWidgetComponent.prototype.client; /** @type {?} */ ChatWidgetComponent.prototype.messages; } export { ɵ0 }; //# 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{ Component, ElementRef, HostListener, Input, OnInit, ViewChild } from '@angular/core'\nimport { Subject } from 'rxjs'\nimport { fadeIn, fadeInOut } from '../animations'\nimport { ChatService } from '../chatbot-rasa.service';\n\nconst rand = max => Math.floor(Math.random() * max)\n\n@Component({\n  selector: 'chat-widget',\n  templateUrl: './chat-widget.component.html',\n  styleUrls: ['./chat-widget.component.css'],\n  animations: [fadeInOut, fadeIn],\n})\nexport class ChatWidgetComponent implements OnInit {\n  @ViewChild('bottom') bottom: ElementRef\n  @Input() public theme: 'blue' | 'grey' | 'red' = 'blue'\n  @Input() public botName: string = 'Bot';\n  @Input() public botAvatar: string = `https://cdn.dribbble.com/users/275794/screenshots/3128598/gbot_800.png`\n  @Input() public userAvatar: string = `https://storage.proboards.com/6172192/images/gKhXFw_5W0SD4nwuMev1.png`\n  @Input() public url: string = 'http://localhost:5002'\n  @Input() public startingMessage: string = 'Hi, how can we help you?'\n  @Input() public opened: boolean = true\n\n  public _visible = false\n\n  private chatService: ChatService;\n\n  constructor(chatService: ChatService) {\n    this.chatService = chatService;\n    this.chatService.connect(this.url);\n  }\n\n  public get visible() {\n    return this._visible\n  }\n\n  @Input() public set visible(visible) {\n    this._visible = visible\n    if (this._visible) {\n      setTimeout(() => {\n        this.scrollToBottom()\n        this.focusMessage()\n      }, 0)\n    }\n  }\n\n  public focus = new Subject()\n\n  public operator;\n\n  public client;\n\n  public messages = []\n\n  public addMessage(from, text, type: 'received' | 'sent') {\n    this.messages.unshift({\n      from,\n      text,\n      type,\n      date: new Date().getTime(),\n    })\n    this.scrollToBottom()\n  }\n\n  public scrollToBottom() {\n    if (this.bottom !== undefined) {\n      this.bottom.nativeElement.scrollIntoView()\n    }\n  }\n\n  public focusMessage() {\n    this.focus.next(true)\n  }\n\n  ngOnInit() {\n    this.client = {\n      name: 'Guest User',\n      status: 'online',\n      avatar: this.userAvatar,\n    };\n\n    this.operator  = {\n      name: this.botName,\n      status: 'online',\n      avatar: this.botAvatar,\n    };\n    if(this.opened){\n      setTimeout(() => this.visible = true, 1000)\n    }\n    setTimeout(() => {\n      this.addMessage(this.operator, this.startingMessage, 'received')\n    }, 1500)\n    this.chatService\n      .getMessages()\n      .subscribe((message) => {\n        setTimeout(()=> {this.addMessage(this.operator, message.text, 'received')},1000);\n      });\n  }\n\n  public toggleChat() {\n    this.visible = !this.visible\n  }\n\n  public sendMessage({ message }) {\n    if (message.trim() === '') {\n      return\n    }\n    this.addMessage(this.client, message, 'sent')\n    this.chatService.sendMessage(message)\n  }\n\n  @HostListener('document:keypress', ['$event'])\n  handleKeyboardEvent(event: KeyboardEvent) {\n    if (event.key === '/') {\n      this.focusMessage()\n    }\n    if (event.key === '?' && !this._visible) {\n      this.toggleChat()\n    }\n  }\n\n}\n"]}