Revize 0256e698

Re #7802: Implementace vykreslování search page s výsledky
- oprava chyb při subscribe
- oprava chyb v asynchronní komunikaci

fe/fulltextsearch/src/app/components/pages/browse/table/table.component.ts

@@ -1 @@
-import { AfterViewInit, Component, OnInit, ViewChild } from '@angular/core';
+import { Component, OnInit, ViewChild } from '@angular/core';
 import { MatPaginator } from '@angular/material/paginator';
 import { MatSort } from '@angular/material/sort';
 import { MatTable } from '@angular/material/table';
 import { TableDataSource } from './table-datasource';
 import { DocumentResponse } from '../../../../model/DocumentResponse';
 import {QueryService} from '../../../../services/query.service';
+import {Observable} from 'rxjs';
+import {map, tap} from 'rxjs/operators';
 
 @Component({
   selector: 'app-table-browse',
   templateUrl: './table.component.html',
   styleUrls: ['./table.component.css']
 })
-export class TableComponent implements AfterViewInit, OnInit {
+export class TableComponent implements OnInit {
   @ViewChild(MatPaginator) paginator: MatPaginator;
   @ViewChild(MatSort) sort: MatSort;
   @ViewChild(MatTable) table: MatTable<DocumentResponse>;
   dataSource: TableDataSource;
+  dataSourceLength: Observable<number>;
 
   /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
   displayedColumns = ['id', 'documentName', 'originDate', 'uploadedDate'];
@@ -23 +26 @@
   constructor( private queryService: QueryService ) { }
 
   ngOnInit() {
-    this.dataSource = new TableDataSource();
-    this.queryService.getDocuments().subscribe( documents => {
-      this.dataSource.data = documents;
-    });
-  }
-
-  ngAfterViewInit() {
-    this.dataSource.sort = this.sort;
-    this.dataSource.paginator = this.paginator;
-    this.table.dataSource = this.dataSource;
+    this.dataSourceLength = this.queryService.getDocuments().pipe(
+      tap(data => {
+        this.dataSource = new TableDataSource();
+        this.dataSource.data = data;
+        this.table.dataSource = data;
+        this.dataSource.sort = this.sort;
+        this.dataSource.paginator = this.paginator;
+      }),
+      map(data => data.length)
+    );
   }
 }