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import { Component, OnInit } from '@angular/core';
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import {QueryService} from '../../../services/query.service';
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import {HttpEventType} from '@angular/common/http';
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@Component({
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selector: 'app-upload',
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templateUrl: './upload.component.html',
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styleUrls: ['./upload.component.css']
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})
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export class UploadComponent implements OnInit {
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selectedFiles: File[] = null;
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resultMessage: string = null;
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progress = 0;
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constructor( private queryService: QueryService ) { }
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ngOnInit(): void {
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}
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onFilesSelected(event) {
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this.selectedFiles = event.target.files;
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this.progress = 0;
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this.resultMessage = null;
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}
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onUpload() {
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console.log(this.selectedFiles);
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if (this.selectedFiles === null) {
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this.resultMessage = 'Select files first';
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return;
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}
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this.queryService.uploadFile(this.selectedFiles).subscribe( event => {
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if (event.type === HttpEventType.UploadProgress) {
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this.progress = Math.round(event.loaded / event.total * 100);
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} else if (event.type === HttpEventType.Response ) {
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this.resultMessage = 'Successfully uploaded ' + this.selectedFiles.length + ' files';
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this.selectedFiles = null;
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}
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});
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}
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}
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