Merge branch 'master' of https://github.com/Tzahi12345/YoutubeDL-Material into download-manager
Isaac Abadi
4 years ago
commit
ff403d18d1
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<button *ngIf="show_skip_ad_button" (click)="skipAdButtonClicked()" mat-flat-button><ng-container i18n="Skip ad button">Skip ad</ng-container></button>
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import { ComponentFixture, TestBed } from '@angular/core/testing';
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import { SkipAdButtonComponent } from './skip-ad-button.component';
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describe('SkipAdButtonComponent', () => {
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let component: SkipAdButtonComponent;
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let fixture: ComponentFixture<SkipAdButtonComponent>;
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beforeEach(async () => {
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await TestBed.configureTestingModule({
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declarations: [ SkipAdButtonComponent ]
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})
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.compileComponents();
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});
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beforeEach(() => {
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fixture = TestBed.createComponent(SkipAdButtonComponent);
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component = fixture.componentInstance;
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fixture.detectChanges();
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});
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it('should create', () => {
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expect(component).toBeTruthy();
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});
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});
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import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
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import { PostsService } from 'app/posts.services';
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import CryptoJS from 'crypto-js';
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@Component({
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selector: 'app-skip-ad-button',
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templateUrl: './skip-ad-button.component.html',
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styleUrls: ['./skip-ad-button.component.scss']
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})
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export class SkipAdButtonComponent implements OnInit {
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@Input() current_video = null;
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@Input() playback_timestamp = null;
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@Output() setPlaybackTimestamp = new EventEmitter<any>();
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sponsor_block_cache = {};
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show_skip_ad_button = false;
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constructor(private postsService: PostsService) { }
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ngOnInit(): void {
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setInterval(() => this.skipAdButtonCheck(), 500);
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}
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checkSponsorBlock(video_to_check) {
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if (!video_to_check) return;
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// check cache, null means it has been checked and confirmed not to exist (limits API calls)
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if (this.sponsor_block_cache[video_to_check.url] || this.sponsor_block_cache[video_to_check.url] === null) return;
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// sponsor block needs first 4 chars from video ID hash
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const video_id = this.getVideoIDFromURL(video_to_check.url);
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const id_hash = this.getVideoIDHashFromURL(video_id);
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if (!id_hash || id_hash.length < 4) return;
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const truncated_id_hash = id_hash.substring(0, 4);
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// we couldn't get the data from the cache, let's get it from sponsor block directly
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this.postsService.getSponsorBlockDataForVideo(truncated_id_hash).subscribe(res => {
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if (res && res['length'] && res['length'] === 0) {
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return;
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}
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const found_data = res['find'](data => data['videoID'] === video_id);
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if (found_data) {
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this.sponsor_block_cache[video_to_check.url] = found_data;
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}
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}, err => {
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// likely doesn't exist
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this.sponsor_block_cache[video_to_check.url] = null;
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});
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}
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getVideoIDHashFromURL(video_id) {
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if (!video_id) return null;
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return CryptoJS.SHA256(video_id).toString(CryptoJS.enc.Hex);;
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}
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getVideoIDFromURL(url) {
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const regex_exp = /^.*((youtu.be\/)|(v\/)|(\/u\/\w\/)|(embed\/)|(watch\?))\??v?=?([^#&?]*).*/;
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const match = url.match(regex_exp);
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return (match && match[7].length==11) ? match[7] : null;
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}
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skipAdButtonCheck() {
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const sponsor_block_data = this.sponsor_block_cache[this.current_video.url];
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if (!sponsor_block_data && sponsor_block_data !== null) {
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// we haven't yet tried to get the sponsor block data for the video
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this.checkSponsorBlock(this.current_video);
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} else if (!sponsor_block_data) {
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this.show_skip_ad_button = false;
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return;
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}
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if (this.getTimeToSkipTo()) {
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this.show_skip_ad_button = true;
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} else {
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this.show_skip_ad_button = false;
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}
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}
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getTimeToSkipTo() {
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const sponsor_block_data = this.sponsor_block_cache[this.current_video.url];
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if (!sponsor_block_data) return;
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// check if we're in between an ad segment
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const found_segment = sponsor_block_data['segments'].find(segment_data => this.playback_timestamp > segment_data.segment[0] && this.playback_timestamp < segment_data.segment[1] - 0.5);
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if (found_segment) {
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return found_segment['segment'][1];
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}
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return null;
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}
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skipAdButtonClicked() {
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const time_to_skip_to = this.getTimeToSkipTo();
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if (!time_to_skip_to) return;
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this.setPlaybackTimestamp.emit(time_to_skip_to);
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this.show_skip_ad_button = false;
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}
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}
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