1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
import * as debug from 'debug'
import { Observable, Subject } from 'rxjs'
import { filter, first, map } from 'rxjs/operators'
import { Injectable } from '@angular/core'
import { buildBulkObservable } from '@app/helpers'
import { ResultList } from '@shared/models/common'
import { Video, VideoChannel } from '../shared-main'
import { VideoPlaylist } from '../shared-video-playlist'
import { SearchService } from './search.service'
import { AdvancedSearch } from './advanced-search.model'
const logger = debug('peertube:search:FindInBulkService')
type BulkObservables <P extends number | string, R> = {
notifier: Subject<P>
result: Observable<{ params: P[], response: R }>
}
@Injectable()
export class FindInBulkService {
private advancedSearchForBulk: AdvancedSearch
private getVideoInBulk: BulkObservables<string, ResultList<Video>>
private getChannelInBulk: BulkObservables<string, ResultList<VideoChannel>>
private getPlaylistInBulk: BulkObservables<string, ResultList<VideoPlaylist>>
constructor (
private searchService: SearchService
) {
this.getVideoInBulk = this.buildBulkObservableObject(this.getVideosInBulk.bind(this))
this.getChannelInBulk = this.buildBulkObservableObject(this.getChannelsInBulk.bind(this))
this.getPlaylistInBulk = this.buildBulkObservableObject(this.getPlaylistsInBulk.bind(this))
this.advancedSearchForBulk = new AdvancedSearch({ searchTarget: 'local' })
}
getVideo (uuid: string): Observable<Video> {
logger('Schedule video fetch for uuid %s.', uuid)
return this.getData({
observableObject: this.getVideoInBulk,
finder: v => v.uuid === uuid,
param: uuid
})
}
getChannel (handle: string): Observable<VideoChannel> {
logger('Schedule channel fetch for handle %s.', handle)
return this.getData({
observableObject: this.getChannelInBulk,
finder: c => c.nameWithHost === handle || c.nameWithHostForced === handle,
param: handle
})
}
getPlaylist (uuid: string): Observable<VideoPlaylist> {
logger('Schedule playlist fetch for uuid %s.', uuid)
return this.getData({
observableObject: this.getPlaylistInBulk,
finder: p => p.uuid === uuid,
param: uuid
})
}
private getData <P extends number | string, R> (options: {
observableObject: BulkObservables<P, ResultList<R>>
param: P
finder: (d: R) => boolean
}) {
const { observableObject, param, finder } = options
return new Observable<R>(obs => {
observableObject.result
.pipe(
filter(result => result.params.includes(param)),
first(),
map(result => result.response.data),
map(data => data.find(finder))
)
.subscribe(result => {
if (!result) {
obs.error(new Error($localize`Element ${param} not found`))
} else {
obs.next(result)
obs.complete()
}
})
observableObject.notifier.next(param)
})
}
private getVideosInBulk (uuids: string[]) {
logger('Fetching videos %s.', uuids.join(', '))
return this.searchService.searchVideos({
uuids,
componentPagination: { itemsPerPage: uuids.length, currentPage: 1 },
advancedSearch: this.advancedSearchForBulk
})
}
private getChannelsInBulk (handles: string[]) {
logger('Fetching channels %s.', handles.join(', '))
return this.searchService.searchVideoChannels({
handles,
componentPagination: { itemsPerPage: handles.length, currentPage: 1 },
advancedSearch: this.advancedSearchForBulk
})
}
private getPlaylistsInBulk (uuids: string[]) {
logger('Fetching playlists %s.', uuids.join(', '))
return this.searchService.searchVideoPlaylists({
uuids,
componentPagination: { itemsPerPage: uuids.length, currentPage: 1 },
advancedSearch: this.advancedSearchForBulk
})
}
private buildBulkObservableObject <P extends number | string, R> (bulkGet: (params: P[]) => Observable<R>) {
const notifier = new Subject<P>()
return {
notifier,
result: buildBulkObservable({
time: 500,
bulkGet,
notifierObservable: notifier.asObservable()
})
}
}
}
|
