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62549e6c C |
1 | import { CONSTRAINTS_FIELDS, VIDEO_CATEGORIES, VIDEO_LANGUAGES, VIDEO_LICENCES } from '../../initializers/constants' |
2 | import { peertubeTruncate } from '../core-utils' | |
3 | ||
4 | type YoutubeDLInfo = { | |
5 | name?: string | |
6 | description?: string | |
7 | category?: number | |
8 | language?: string | |
9 | licence?: number | |
10 | nsfw?: boolean | |
11 | tags?: string[] | |
12 | thumbnailUrl?: string | |
13 | ext?: string | |
14 | originallyPublishedAt?: Date | |
15 | } | |
16 | ||
17 | class YoutubeDLInfoBuilder { | |
18 | private readonly info: any | |
19 | ||
20 | constructor (info: any) { | |
21 | this.info = { ...info } | |
22 | } | |
23 | ||
24 | getInfo () { | |
25 | const obj = this.buildVideoInfo(this.normalizeObject(this.info)) | |
26 | if (obj.name && obj.name.length < CONSTRAINTS_FIELDS.VIDEOS.NAME.min) obj.name += ' video' | |
27 | ||
28 | return obj | |
29 | } | |
30 | ||
31 | private normalizeObject (obj: any) { | |
32 | const newObj: any = {} | |
33 | ||
34 | for (const key of Object.keys(obj)) { | |
35 | // Deprecated key | |
36 | if (key === 'resolution') continue | |
37 | ||
38 | const value = obj[key] | |
39 | ||
40 | if (typeof value === 'string') { | |
41 | newObj[key] = value.normalize() | |
42 | } else { | |
43 | newObj[key] = value | |
44 | } | |
45 | } | |
46 | ||
47 | return newObj | |
48 | } | |
49 | ||
50 | private buildOriginallyPublishedAt (obj: any) { | |
51 | let originallyPublishedAt: Date = null | |
52 | ||
53 | const uploadDateMatcher = /^(\d{4})(\d{2})(\d{2})$/.exec(obj.upload_date) | |
54 | if (uploadDateMatcher) { | |
55 | originallyPublishedAt = new Date() | |
56 | originallyPublishedAt.setHours(0, 0, 0, 0) | |
57 | ||
58 | const year = parseInt(uploadDateMatcher[1], 10) | |
59 | // Month starts from 0 | |
60 | const month = parseInt(uploadDateMatcher[2], 10) - 1 | |
61 | const day = parseInt(uploadDateMatcher[3], 10) | |
62 | ||
63 | originallyPublishedAt.setFullYear(year, month, day) | |
64 | } | |
65 | ||
66 | return originallyPublishedAt | |
67 | } | |
68 | ||
69 | private buildVideoInfo (obj: any): YoutubeDLInfo { | |
70 | return { | |
71 | name: this.titleTruncation(obj.title), | |
72 | description: this.descriptionTruncation(obj.description), | |
73 | category: this.getCategory(obj.categories), | |
74 | licence: this.getLicence(obj.license), | |
75 | language: this.getLanguage(obj.language), | |
76 | nsfw: this.isNSFW(obj), | |
77 | tags: this.getTags(obj.tags), | |
78 | thumbnailUrl: obj.thumbnail || undefined, | |
79 | originallyPublishedAt: this.buildOriginallyPublishedAt(obj), | |
80 | ext: obj.ext | |
81 | } | |
82 | } | |
83 | ||
84 | private titleTruncation (title: string) { | |
85 | return peertubeTruncate(title, { | |
86 | length: CONSTRAINTS_FIELDS.VIDEOS.NAME.max, | |
87 | separator: /,? +/, | |
88 | omission: ' […]' | |
89 | }) | |
90 | } | |
91 | ||
92 | private descriptionTruncation (description: string) { | |
93 | if (!description || description.length < CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.min) return undefined | |
94 | ||
95 | return peertubeTruncate(description, { | |
96 | length: CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max, | |
97 | separator: /,? +/, | |
98 | omission: ' […]' | |
99 | }) | |
100 | } | |
101 | ||
102 | private isNSFW (info: any) { | |
103 | return info?.age_limit >= 16 | |
104 | } | |
105 | ||
106 | private getTags (tags: string[]) { | |
107 | if (Array.isArray(tags) === false) return [] | |
108 | ||
109 | return tags | |
110 | .filter(t => t.length < CONSTRAINTS_FIELDS.VIDEOS.TAG.max && t.length > CONSTRAINTS_FIELDS.VIDEOS.TAG.min) | |
111 | .map(t => t.normalize()) | |
112 | .slice(0, 5) | |
113 | } | |
114 | ||
115 | private getLicence (licence: string) { | |
116 | if (!licence) return undefined | |
117 | ||
118 | if (licence.includes('Creative Commons Attribution')) return 1 | |
119 | ||
120 | for (const key of Object.keys(VIDEO_LICENCES)) { | |
121 | const peertubeLicence = VIDEO_LICENCES[key] | |
122 | if (peertubeLicence.toLowerCase() === licence.toLowerCase()) return parseInt(key, 10) | |
123 | } | |
124 | ||
125 | return undefined | |
126 | } | |
127 | ||
128 | private getCategory (categories: string[]) { | |
129 | if (!categories) return undefined | |
130 | ||
131 | const categoryString = categories[0] | |
132 | if (!categoryString || typeof categoryString !== 'string') return undefined | |
133 | ||
134 | if (categoryString === 'News & Politics') return 11 | |
135 | ||
136 | for (const key of Object.keys(VIDEO_CATEGORIES)) { | |
137 | const category = VIDEO_CATEGORIES[key] | |
138 | if (categoryString.toLowerCase() === category.toLowerCase()) return parseInt(key, 10) | |
139 | } | |
140 | ||
141 | return undefined | |
142 | } | |
143 | ||
144 | private getLanguage (language: string) { | |
145 | return VIDEO_LANGUAGES[language] ? language : undefined | |
146 | } | |
147 | } | |
148 | ||
149 | // --------------------------------------------------------------------------- | |
150 | ||
151 | export { | |
152 | YoutubeDLInfo, | |
153 | YoutubeDLInfoBuilder | |
154 | } |