-
-
Notifications
You must be signed in to change notification settings - Fork 133
/
animeresolver.js
250 lines (220 loc) · 11.1 KB
/
animeresolver.js
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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
import { anilistClient } from './anilist.js'
import { anitomyscript } from './anime.js'
import { chunks } from './util.js'
import Debug from 'debug'
const debug = Debug('ui:animeresolver')
const postfix = {
1: 'st', 2: 'nd', 3: 'rd'
}
export default new class AnimeResolver {
// name: media cache from title resolving
animeNameCache = {}
/**
* @param {import('anitomyscript').AnitomyResult} obj
* @returns {string}
*/
getCacheKeyForTitle (obj) {
let key = obj.anime_title
if (obj.anime_year) key += obj.anime_year
return key
}
/**
* @param {string} title
* @returns {string[]}
*/
alternativeTitles (title) {
const titles = new Set()
let modified = title
// preemptively change S2 into Season 2 or 2nd Season, otherwise this will have accuracy issues
const seasonMatch = title.match(/ S(\d+)/)
if (seasonMatch) {
if (Number(seasonMatch[1]) === 1) { // if this is S1, remove the " S1" or " S01"
modified = title.replace(/ S(\d+)/, '')
titles.add(modified)
} else {
modified = title.replace(/ S(\d+)/, ` ${Number(seasonMatch[1])}${postfix[Number(seasonMatch[1])] || 'th'} Season`)
titles.add(modified)
titles.add(title.replace(/ S(\d+)/, ` Season ${Number(seasonMatch[1])}`))
}
} else {
titles.add(title)
}
// remove - :
const specialMatch = modified.match(/[-:]/g)
if (specialMatch) {
modified = modified.replace(/[-:]/g, '').replace(/[ ]{2,}/, ' ')
titles.add(modified)
}
// remove (TV)
const tvMatch = modified.match(/\(TV\)/)
if (tvMatch) {
modified = modified.replace('(TV)', '')
titles.add(modified)
}
return [...titles]
}
/**
* resolve anime name based on file name and store it
* @param {import('anitomyscript').AnitomyResult[]} parseObjects
*/
async findAnimesByTitle (parseObjects) {
if (!parseObjects.length) return
const titleObjects = parseObjects.map(obj => {
const key = this.getCacheKeyForTitle(obj)
const titleObjects = this.alternativeTitles(obj.anime_title).map(title => ({ title, year: obj.anime_year, key, isAdult: false }))
titleObjects.push({ ...titleObjects.at(-1), isAdult: true })
return titleObjects
}).flat()
debug(`Finding ${titleObjects.length} titles: ${titleObjects.map(obj => obj.title).join(', ')}`)
for (const chunk of chunks(titleObjects, 60)) {
// single title has a complexity of 8.1, al limits complexity to 500, so this can be at most 62, undercut it to 60, al pagination is 50, but at most we'll do 30 titles since isAduld duplicates each title
for (const [key, media] of await anilistClient.alSearchCompound(chunk)) {
debug(`Found ${key} as ${media.id}: ${media.title.userPreferred}`)
this.animeNameCache[key] = media
}
}
}
/**
* @param {number} id
*/
async getAnimeById (id) {
if (anilistClient.mediaCache[id]) return anilistClient.mediaCache[id]
const res = await anilistClient.searchIDSingle({ id })
return res.data.Media
}
// TODO: anidb aka true episodes need to be mapped to anilist episodes a bit better, shit like mushoku offsets caused by episode 0's in between seasons
/**
* @param {string | string[]} fileName
* @returns {Promise<any[]>}
*/
async resolveFileAnime (fileName) {
if (!fileName) return [{}]
const parseObjs = await anitomyscript(fileName)
const TYPE_EXCLUSIONS = ['ED', 'ENDING', 'NCED', 'NCOP', 'OP', 'OPENING', 'PREVIEW', 'PV']
/** @type {Record<string, import('anitomyscript').AnitomyResult>} */
const uniq = {}
for (const obj of parseObjs) {
const key = this.getCacheKeyForTitle(obj)
if (key in this.animeNameCache) continue // skip already resolved
if (obj.anime_type && TYPE_EXCLUSIONS.includes(obj.anime_type.toUpperCase())) continue // skip non-episode media
uniq[key] = obj
}
await this.findAnimesByTitle(Object.values(uniq))
const fileAnimes = []
for (const parseObj of parseObjs) {
let failed = false
let episode
let media = this.animeNameCache[this.getCacheKeyForTitle(parseObj)]
// resolve episode, if movie, dont.
const maxep = media?.nextAiringEpisode?.episode || media?.episodes
debug(`Resolving ${parseObj.anime_title} ${parseObj.episode_number} ${maxep} ${media?.title.userPreferred} ${media?.format}`)
if ((media?.format !== 'MOVIE' || maxep) && parseObj.episode_number) {
if (Array.isArray(parseObj.episode_number)) {
// is an episode range
if (parseInt(parseObj.episode_number[0]) === 1) {
debug('Range starts at 1')
// if it starts with #1 and overflows then it includes more than 1 season in a batch, cant fix this cleanly, name is parsed per file basis so this shouldnt be an issue
episode = `${parseObj.episode_number[0]} ~ ${parseObj.episode_number[1]}`
} else {
if (maxep && parseInt(parseObj.episode_number[1]) > maxep) {
// get root media to start at S1, instead of S2 or some OVA due to parsing errors
// this is most likely safe, if it was relative episodes then it would likely use an accurate title for the season
// if they didnt use an accurate title then its likely an absolute numbering scheme
// parent check is to break out of those incorrectly resolved OVA's
// if we used anime season to resolve anime name, then there's no need to march into prequel!
const prequel = !parseObj.anime_season && (this.findEdge(media, 'PREQUEL')?.node || ((media.format === 'OVA' || media.format === 'ONA') && this.findEdge(media, 'PARENT')?.node))
debug(`Prequel ${prequel && prequel.id}:${prequel && prequel.title.userPreferred}`)
const root = prequel && (await this.resolveSeason({ media: await this.getAnimeById(prequel.id), force: true })).media
debug(`Root ${root && root.id}:${root && root.title.userPreferred}`)
// if highest value is bigger than episode count or latest streamed episode +1 for safety, parseint to math.floor a number like 12.5 - specials - in 1 go
const result = await this.resolveSeason({ media: root || media, episode: parseObj.episode_number[1], increment: !parseObj.anime_season ? null : true })
debug(`Found rootMedia for ${parseObj.anime_title}: ${result.rootMedia.id}:${result.rootMedia.title.userPreferred} from ${media.id}:${media.title.userPreferred}`)
media = result.rootMedia
const diff = parseObj.episode_number[1] - result.episode
episode = `${parseObj.episode_number[0] - diff} ~ ${result.episode}`
failed = result.failed
if (failed) debug(`Failed to resolve ${parseObj.anime_title} ${parseObj.episode_number} ${media?.title.userPreferred}`)
} else {
// cant find ep count or range seems fine
episode = `${Number(parseObj.episode_number[0])} ~ ${Number(parseObj.episode_number[1])}`
}
}
} else {
if (maxep && parseInt(parseObj.episode_number) > maxep) {
// see big comment above
const prequel = !parseObj.anime_season && (this.findEdge(media, 'PREQUEL')?.node || ((media.format === 'OVA' || media.format === 'ONA') && this.findEdge(media, 'PARENT')?.node))
debug(`Prequel ${prequel && prequel.id}:${prequel && prequel.title.userPreferred}`)
const root = prequel && (await this.resolveSeason({ media: await this.getAnimeById(prequel.id), force: true })).media
debug(`Root ${root && root.id}:${root && root.title.userPreferred}`)
// value bigger than episode count
const result = await this.resolveSeason({ media: root || media, episode: parseInt(parseObj.episode_number), increment: !parseObj.anime_season ? null : true })
debug(`Found rootMedia for ${parseObj.anime_title}: ${result.rootMedia.id}:${result.rootMedia.title.userPreferred} from ${media.id}:${media.title.userPreferred}`)
media = result.rootMedia
episode = result.episode
failed = result.failed
if (failed) debug(`Failed to resolve ${parseObj.anime_title} ${parseObj.episode_number} ${media?.title.userPreferred}`)
} else {
// cant find ep count or episode seems fine
episode = Number(parseObj.episode_number)
}
}
}
debug(`Resolved ${parseObj.anime_title} ${parseObj.episode_number} ${episode} ${media?.id}:${media?.title.userPreferred}`)
fileAnimes.push({
episode: episode || parseObj.episode_number,
parseObject: parseObj,
media,
failed
})
}
return fileAnimes
}
/**
* @param {import('./al.js').Media} media
* @param {string} type
* @param {string[]} [formats]
* @param {boolean} [skip]
*/
findEdge (media, type, formats = ['TV', 'TV_SHORT'], skip) {
let res = media.relations.edges.find(edge => {
if (edge.relationType === type) {
return formats.includes(edge.node.format)
}
return false
})
// this is hit-miss
if (!res && !skip && type === 'SEQUEL') res = this.findEdge(media, type, formats = ['TV', 'TV_SHORT', 'OVA'], true)
return res
}
// note: this doesnt cover anime which uses partially relative and partially absolute episode number, BUT IT COULD!
/**
* @param {{ media: import('./al.js').Media , episode?:number, force?:boolean, increment?:boolean, offset?: number, rootMedia?: import('./al.js').Media }} opts
* @returns {Promise<{ media: import('./al.js').Media, episode: number, offset: number, increment: boolean, rootMedia: import('./al.js').Media, failed?: boolean }>}
*/
async resolveSeason (opts) {
// media, episode, increment, offset, force
if (!opts.media || !(opts.episode || opts.force)) throw new Error('No episode or media for season resolve!')
let { media, episode, increment, offset = 0, rootMedia = opts.media, force } = opts
const rootHighest = (rootMedia.nextAiringEpisode?.episode || rootMedia.episodes)
const prequel = !increment && this.findEdge(media, 'PREQUEL')?.node
const sequel = !prequel && (increment || increment == null) && this.findEdge(media, 'SEQUEL')?.node
const edge = prequel || sequel
increment = increment ?? !prequel
if (!edge) {
const obj = { media, episode: episode - offset, offset, increment, rootMedia, failed: true }
if (!force) debug(`Failed to resolve ${media.id}:${media.title.userPreferred} ${episode} ${increment} ${offset} ${rootMedia.id}:${rootMedia.title.userPreferred}`)
return obj
}
media = await this.getAnimeById(edge.id)
const highest = media.nextAiringEpisode?.episode || media.episodes
const diff = episode - (highest + offset)
offset += increment ? rootHighest : highest
if (increment) rootMedia = media
// force marches till end of tree, no need for checks
if (!force && diff <= rootHighest) {
episode -= offset
return { media, episode, offset, increment, rootMedia }
}
return this.resolveSeason({ media, episode, increment, offset, rootMedia, force })
}
}()