All files / src/app/components/device-states device-states.component.ts

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import { Component, Input, OnInit, inject } from '@angular/core';
import { ButtonModule } from 'primeng/button';
import { Table, TableLazyLoadEvent, TableModule, TablePageEvent } from 'primeng/table';
import { TagModule } from 'primeng/tag';
import { DeviceState } from '../../models/devices';
import { PetriNetworkInterface } from '../../models/petri';
import { getSeverity } from '../../utils/utils';
import { ActivatedRoute, Router } from '@angular/router';
 
import { IconFieldModule } from 'primeng/iconfield';
import { InputIconModule } from 'primeng/inputicon';
import { InputTextModule } from 'primeng/inputtext';
import { MultiSelectModule } from 'primeng/multiselect';
import { FloatLabel } from 'primeng/floatlabel';
import { FormsModule } from '@angular/forms';
import { DecimalPipe, DatePipe } from '@angular/common';
import { TwinpadApiService } from '../../services/twinpad-api.service';
import { HttpErrorResponse } from '@angular/common/http';
import { ListResponse } from '../../models/response';
import { Subscription } from 'rxjs';
import { ErrorComponent } from '../error/error.component';
import { TabsModule } from 'primeng/tabs';
import { SignalsGraphsComponent } from '../signals-graphs/signals-graphs.component';
 
interface DeviceProperty {
  name: string;
  label: string;
}
 
@Component({
    selector: 'app-device-states',
    imports: [TableModule, ButtonModule, TagModule, IconFieldModule, InputIconModule, InputTextModule, FormsModule, DatePipe, DecimalPipe, FloatLabel, MultiSelectModule, ErrorComponent, TabsModule, SignalsGraphsComponent],
    templateUrl: './device-states.component.html',
    styleUrl: './device-states.component.scss'
})
export class StatesTableComponent implements OnInit{
  private route = inject(ActivatedRoute);
  private router = inject(Router);
  private twinpadApiService = inject(TwinpadApiService);
 
  @Input() deviceId!: string;
  deviceName: string;
  petriNetwork: PetriNetworkInterface;
  versions: ListResponse<DeviceState>;
  offset: number = 0;
  rows: number = 10;
  deviceProperties: DeviceProperty[];
  selectedProperties: DeviceProperty[];
  sortField: string = "timestamp";
  sortOrder: number = -1;
  defaultRowOptions = [10, 20, 50];
  filteredRowsPerPageOptions: number[] = [];
  error: HttpErrorResponse;
  statesError: HttpErrorResponse;
 
  dataSubscription: Subscription;
 
  ngOnInit(): void {
    this.deviceProperties = [
      {name: "mode", label: "Mode"},
      {name: "tokens", label: "Actions"},
      {name: "load", label: "Load"},
    ];
    this.selectedProperties = this.deviceProperties;
    this.route.params.subscribe(params => {
      this.dataSubscription?.unsubscribe();
      this.deviceId = params['device_id'];
      this.twinpadApiService.devicesBehaviorSubject$.subscribe(
        {next: devices => {
          const device = devices.find(device => device?.device_id === this.deviceId);
          Iif (device !== undefined) {
            this.deviceName = device.name;
            this.petriNetwork = device.petri_network;
          }
          else {
            this.twinpadApiService.getDevice(this.deviceId).subscribe({
              next: device => {
                this.deviceName = device.name;
                this.petriNetwork = device.petri_network;
              },
              error: error => {
                this.error = error;
              }
            });
          }
        }}
      );
      this.rows = params['rows'] ? +params['rows'] : 10;
      this.offset = params['offset']? +params['offset'] : 0;
 
      this.router.navigate([], {
        queryParams: { signal_id: this.deviceId + "._STATUS"}
      });
    });
    this.updateRowsPerPageOptions();
    Eif(this.versions === undefined){
      this.getData();
    }
  }
 
  getSeverity(status: string){
    return getSeverity(status);
  }
 
  clear(table: Table) {
    table.clear();
  }
 
  onTableEvent(event: TablePageEvent){
    this.offset = event.first;
    this.rows = event.rows;
 
    this.router.navigate([], {
      queryParams: { offset: this.offset, rows: this.rows },
      queryParamsHandling: 'merge'
    });
  }
 
  onModifiedPropertiesChanged(newModifiedProperties: DeviceProperty[]) {
    this.selectedProperties = newModifiedProperties;
    this.getData();
  }
 
  updateRowsPerPageOptions(){
    this.filteredRowsPerPageOptions = [...new Set([...this.defaultRowOptions, this.rows])].sort((a, b) => a - b);
  }
 
  getData(){
    this.dataSubscription?.unsubscribe();
    this.dataSubscription = this.twinpadApiService.callPeriodically(
      () => {
        return this.twinpadApiService.getDeviceStates(
          this.deviceId,
          this.rows,
          this.offset,
          this.sortField + ":" + this.sortOrder,
          this.selectedProperties.map(property => property.name));
      }, 5000).subscribe({
        next: (value) => {
        this.versions = value;
      },
      error: (error)=>{
        this.statesError = error;
      }
    });
  }
 
  loadEvents(event: TableLazyLoadEvent){
    if (event.first !== null && event.first !== undefined){
      this.offset = event.first;
    }
    if (event.rows !== null && event.rows !== undefined){
      this.rows = event.rows;
    }
 
    let sortField = event.sortField ?? "";
    if (typeof sortField === "object") {
      sortField = sortField[0];
    }
 
    this.sortField = sortField;
    this.sortOrder = event.sortOrder ?? 1;
 
    this.getData();
  }
}