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1 | import { Injectable } from '@angular/core' | |
2 | import { NavigationCancel, NavigationEnd, Router } from '@angular/router' | |
3 | import { ServerService } from '../server' | |
4 | ||
5 | @Injectable() | |
6 | export class RedirectService { | |
7 | // Default route could change according to the instance configuration | |
8 | static INIT_DEFAULT_ROUTE = '/videos/trending' | |
9 | static INIT_DEFAULT_TRENDING_ALGORITHM = 'most-viewed' | |
10 | ||
11 | private previousUrl: string | |
12 | private currentUrl: string | |
13 | ||
14 | private redirectingToHomepage = false | |
15 | private defaultTrendingAlgorithm = RedirectService.INIT_DEFAULT_TRENDING_ALGORITHM | |
16 | private defaultRoute = RedirectService.INIT_DEFAULT_ROUTE | |
17 | ||
18 | constructor ( | |
19 | private router: Router, | |
20 | private serverService: ServerService | |
21 | ) { | |
22 | // The config is first loaded from the cache so try to get the default route | |
23 | const config = this.serverService.getHTMLConfig() | |
24 | if (config?.instance?.defaultClientRoute) { | |
25 | this.defaultRoute = config.instance.defaultClientRoute | |
26 | } | |
27 | if (config?.trending?.videos?.algorithms?.default) { | |
28 | this.defaultTrendingAlgorithm = config.trending.videos.algorithms.default | |
29 | } | |
30 | ||
31 | // Track previous url | |
32 | this.currentUrl = this.router.url | |
33 | router.events.subscribe(event => { | |
34 | if (event instanceof NavigationEnd || event instanceof NavigationCancel) { | |
35 | this.previousUrl = this.currentUrl | |
36 | this.currentUrl = event.url | |
37 | } | |
38 | }) | |
39 | } | |
40 | ||
41 | getDefaultRoute () { | |
42 | return this.defaultRoute | |
43 | } | |
44 | ||
45 | getDefaultTrendingAlgorithm () { | |
46 | return this.defaultTrendingAlgorithm | |
47 | } | |
48 | ||
49 | redirectToPreviousRoute () { | |
50 | const exceptions = [ | |
51 | '/verify-account', | |
52 | '/reset-password' | |
53 | ] | |
54 | ||
55 | if (this.previousUrl) { | |
56 | const isException = exceptions.find(e => this.previousUrl.startsWith(e)) | |
57 | if (!isException) return this.router.navigateByUrl(this.previousUrl) | |
58 | } | |
59 | ||
60 | return this.redirectToHomepage() | |
61 | } | |
62 | ||
63 | redirectToHomepage (skipLocationChange = false) { | |
64 | if (this.redirectingToHomepage) return | |
65 | ||
66 | this.redirectingToHomepage = true | |
67 | ||
68 | console.log('Redirecting to %s...', this.defaultRoute) | |
69 | ||
70 | this.router.navigateByUrl(this.defaultRoute, { skipLocationChange }) | |
71 | .then(() => this.redirectingToHomepage = false) | |
72 | .catch(() => { | |
73 | this.redirectingToHomepage = false | |
74 | ||
75 | console.error( | |
76 | 'Cannot navigate to %s, resetting default route to %s.', | |
77 | this.defaultRoute, | |
78 | RedirectService.INIT_DEFAULT_ROUTE | |
79 | ) | |
80 | ||
81 | this.defaultRoute = RedirectService.INIT_DEFAULT_ROUTE | |
82 | return this.router.navigateByUrl(this.defaultRoute, { skipLocationChange }) | |
83 | }) | |
84 | ||
85 | } | |
86 | } |