next-ucap-messenger/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/chat.component.ts

import { Component, OnInit, OnDestroy } from '@angular/core';
import { ucapAnimations } from '@ucap-webmessenger/ui';
import { NGXLogger } from 'ngx-logger';
import { Store, select } from '@ngrx/store';
import { Subscription, combineLatest } from 'rxjs';
import {
  RoomInfo,
  UserInfoShort,
  UserInfo as RoomUserInfo
} from '@ucap-webmessenger/protocol-room';
import * as AppStore from '@app/store';
import * as ChatStore from '@app/store/messenger/chat';
import { tap, map } from 'rxjs/operators';
import {
  RoomUserDetailData,
  RoomUserData
} from '@ucap-webmessenger/protocol-sync';

@Component({
  selector: 'app-layout-chat-left-sidenav-chat',
  templateUrl: './chat.component.html',
  styleUrls: ['./chat.component.scss'],
  animations: ucapAnimations
})
export class ChatComponent implements OnInit, OnDestroy {
  roomList: RoomInfo[];
  roomUserList: RoomUserDetailData[];
  roomUserShortList: RoomUserData[];

  roomSubscription: Subscription;

  constructor(private store: Store<any>, private logger: NGXLogger) {}

  ngOnInit() {
    this.roomSubscription = combineLatest([
      this.store.pipe(
        select(AppStore.MessengerSelector.SyncSelector.selectAllRoom)
      ),
      this.store.pipe(
        select(AppStore.MessengerSelector.SyncSelector.selectAllRoomUser)
      ),
      this.store.pipe(
        select(AppStore.MessengerSelector.SyncSelector.selectAllRoomUserShort)
      )
    ])
      .pipe(
        tap(([room, roomUser, roomUserShort]) => {
          this.roomList = room;
          this.roomUserList = roomUser;
          this.roomUserShortList = roomUserShort;
        })
      )
      .subscribe();
  }

  ngOnDestroy(): void {
    if (!!this.roomSubscription) {
      this.roomSubscription.unsubscribe();
    }
  }

  onSelectedRoom(roomInfo: RoomInfo) {
    this.store.dispatch(ChatStore.selectedRoom({ roomSeq: roomInfo.roomSeq }));
  }

  getRoomUserList(roomInfo: RoomInfo): RoomUserInfo[] | UserInfoShort[] {
    if (!!this.roomUserList && 0 < this.roomUserList.length) {
      const i = this.roomUserList.findIndex(
        value => roomInfo.roomSeq === value.roomSeq
      );
      if (-1 < i) {
        return this.roomUserList[i].userInfos;
      }
    }

    if (!!this.roomUserShortList && 0 < this.roomUserShortList.length) {
      const i = this.roomUserShortList.findIndex(
        value => roomInfo.roomSeq === value.roomSeq
      );
      if (-1 < i) {
        return this.roomUserShortList[i].userInfos;
      }
    }
  }
}