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50d6de9c C |
1 | import * as Bluebird from 'bluebird' |
2 | import { values } from 'lodash' | |
3 | import * as Sequelize from 'sequelize' | |
60650c77 C |
4 | import { |
5 | AllowNull, BelongsTo, Column, CreatedAt, DataType, Default, ForeignKey, IsInt, Max, Model, Table, | |
6 | UpdatedAt | |
7 | } from 'sequelize-typescript' | |
50d6de9c | 8 | import { FollowState } from '../../../shared/models/actors' |
60650c77 C |
9 | import { AccountFollow } from '../../../shared/models/actors/follow.model' |
10 | import { logger } from '../../helpers/logger' | |
11 | import { ACTOR_FOLLOW_SCORE } from '../../initializers' | |
50d6de9c C |
12 | import { FOLLOW_STATES } from '../../initializers/constants' |
13 | import { ServerModel } from '../server/server' | |
14 | import { getSort } from '../utils' | |
15 | import { ActorModel } from './actor' | |
16 | ||
17 | @Table({ | |
18 | tableName: 'actorFollow', | |
19 | indexes: [ | |
20 | { | |
21 | fields: [ 'actorId' ] | |
22 | }, | |
23 | { | |
24 | fields: [ 'targetActorId' ] | |
25 | }, | |
26 | { | |
27 | fields: [ 'actorId', 'targetActorId' ], | |
28 | unique: true | |
60650c77 C |
29 | }, |
30 | { | |
31 | fields: [ 'score' ] | |
50d6de9c C |
32 | } |
33 | ] | |
34 | }) | |
35 | export class ActorFollowModel extends Model<ActorFollowModel> { | |
36 | ||
37 | @AllowNull(false) | |
38 | @Column(DataType.ENUM(values(FOLLOW_STATES))) | |
39 | state: FollowState | |
40 | ||
60650c77 C |
41 | @AllowNull(false) |
42 | @Default(ACTOR_FOLLOW_SCORE.BASE) | |
43 | @IsInt | |
44 | @Max(ACTOR_FOLLOW_SCORE.MAX) | |
45 | @Column | |
46 | score: number | |
47 | ||
50d6de9c C |
48 | @CreatedAt |
49 | createdAt: Date | |
50 | ||
51 | @UpdatedAt | |
52 | updatedAt: Date | |
53 | ||
54 | @ForeignKey(() => ActorModel) | |
55 | @Column | |
56 | actorId: number | |
57 | ||
58 | @BelongsTo(() => ActorModel, { | |
59 | foreignKey: { | |
60 | name: 'actorId', | |
61 | allowNull: false | |
62 | }, | |
63 | as: 'ActorFollower', | |
64 | onDelete: 'CASCADE' | |
65 | }) | |
66 | ActorFollower: ActorModel | |
67 | ||
68 | @ForeignKey(() => ActorModel) | |
69 | @Column | |
70 | targetActorId: number | |
71 | ||
72 | @BelongsTo(() => ActorModel, { | |
73 | foreignKey: { | |
74 | name: 'targetActorId', | |
75 | allowNull: false | |
76 | }, | |
77 | as: 'ActorFollowing', | |
78 | onDelete: 'CASCADE' | |
79 | }) | |
80 | ActorFollowing: ActorModel | |
81 | ||
60650c77 C |
82 | // Remove actor follows with a score of 0 (too many requests where they were unreachable) |
83 | static async removeBadActorFollows () { | |
84 | const actorFollows = await ActorFollowModel.listBadActorFollows() | |
85 | ||
86 | const actorFollowsRemovePromises = actorFollows.map(actorFollow => actorFollow.destroy()) | |
87 | await Promise.all(actorFollowsRemovePromises) | |
88 | ||
89 | const numberOfActorFollowsRemoved = actorFollows.length | |
90 | ||
91 | if (numberOfActorFollowsRemoved) logger.info('Removed bad %d actor follows.', numberOfActorFollowsRemoved) | |
92 | } | |
93 | ||
94 | static updateActorFollowsScoreAndRemoveBadOnes (goodInboxes: string[], badInboxes: string[], t: Sequelize.Transaction) { | |
95 | if (goodInboxes.length === 0 && badInboxes.length === 0) return | |
96 | ||
97 | logger.info('Updating %d good actor follows and %d bad actor follows scores.', goodInboxes.length, badInboxes.length) | |
98 | ||
99 | if (goodInboxes.length !== 0) { | |
100 | ActorFollowModel.incrementScores(goodInboxes, ACTOR_FOLLOW_SCORE.BONUS, t) | |
101 | .catch(err => logger.error('Cannot increment scores of good actor follows.', err)) | |
102 | } | |
103 | ||
104 | if (badInboxes.length !== 0) { | |
105 | ActorFollowModel.incrementScores(badInboxes, ACTOR_FOLLOW_SCORE.PENALTY, t) | |
106 | .catch(err => logger.error('Cannot decrement scores of bad actor follows.', err)) | |
107 | } | |
108 | } | |
109 | ||
50d6de9c C |
110 | static loadByActorAndTarget (actorId: number, targetActorId: number, t?: Sequelize.Transaction) { |
111 | const query = { | |
112 | where: { | |
113 | actorId, | |
114 | targetActorId: targetActorId | |
115 | }, | |
116 | include: [ | |
117 | { | |
118 | model: ActorModel, | |
119 | required: true, | |
120 | as: 'ActorFollower' | |
121 | }, | |
122 | { | |
123 | model: ActorModel, | |
124 | required: true, | |
125 | as: 'ActorFollowing' | |
126 | } | |
127 | ], | |
128 | transaction: t | |
129 | } | |
130 | ||
131 | return ActorFollowModel.findOne(query) | |
132 | } | |
133 | ||
134 | static loadByActorAndTargetHost (actorId: number, targetHost: string, t?: Sequelize.Transaction) { | |
135 | const query = { | |
136 | where: { | |
137 | actorId | |
138 | }, | |
139 | include: [ | |
140 | { | |
141 | model: ActorModel, | |
142 | required: true, | |
143 | as: 'ActorFollower' | |
144 | }, | |
145 | { | |
146 | model: ActorModel, | |
147 | required: true, | |
148 | as: 'ActorFollowing', | |
149 | include: [ | |
150 | { | |
151 | model: ServerModel, | |
152 | required: true, | |
153 | where: { | |
154 | host: targetHost | |
155 | } | |
156 | } | |
157 | ] | |
158 | } | |
159 | ], | |
160 | transaction: t | |
161 | } | |
162 | ||
6502c3d4 C |
163 | return ActorFollowModel.findOne(query) |
164 | } | |
165 | ||
166 | static loadByFollowerInbox (url: string, t?: Sequelize.Transaction) { | |
167 | const query = { | |
168 | where: { | |
169 | state: 'accepted' | |
170 | }, | |
171 | include: [ | |
172 | { | |
173 | model: ActorModel, | |
174 | required: true, | |
175 | as: 'ActorFollower', | |
176 | where: { | |
177 | [Sequelize.Op.or]: [ | |
178 | { | |
179 | inboxUrl: url | |
180 | }, | |
181 | { | |
182 | sharedInboxUrl: url | |
183 | } | |
184 | ] | |
185 | } | |
186 | } | |
187 | ], | |
188 | transaction: t | |
189 | } as any // FIXME: typings does not work | |
190 | ||
50d6de9c C |
191 | return ActorFollowModel.findOne(query) |
192 | } | |
193 | ||
194 | static listFollowingForApi (id: number, start: number, count: number, sort: string) { | |
195 | const query = { | |
196 | distinct: true, | |
197 | offset: start, | |
198 | limit: count, | |
199 | order: [ getSort(sort) ], | |
200 | include: [ | |
201 | { | |
202 | model: ActorModel, | |
203 | required: true, | |
204 | as: 'ActorFollower', | |
205 | where: { | |
206 | id | |
207 | } | |
208 | }, | |
209 | { | |
210 | model: ActorModel, | |
211 | as: 'ActorFollowing', | |
212 | required: true, | |
213 | include: [ ServerModel ] | |
214 | } | |
215 | ] | |
216 | } | |
217 | ||
218 | return ActorFollowModel.findAndCountAll(query) | |
219 | .then(({ rows, count }) => { | |
220 | return { | |
221 | data: rows, | |
222 | total: count | |
223 | } | |
224 | }) | |
225 | } | |
226 | ||
227 | static listFollowersForApi (id: number, start: number, count: number, sort: string) { | |
228 | const query = { | |
229 | distinct: true, | |
230 | offset: start, | |
231 | limit: count, | |
232 | order: [ getSort(sort) ], | |
233 | include: [ | |
234 | { | |
235 | model: ActorModel, | |
236 | required: true, | |
237 | as: 'ActorFollower', | |
238 | include: [ ServerModel ] | |
239 | }, | |
240 | { | |
241 | model: ActorModel, | |
242 | as: 'ActorFollowing', | |
243 | required: true, | |
244 | where: { | |
245 | id | |
246 | } | |
247 | } | |
248 | ] | |
249 | } | |
250 | ||
251 | return ActorFollowModel.findAndCountAll(query) | |
252 | .then(({ rows, count }) => { | |
253 | return { | |
254 | data: rows, | |
255 | total: count | |
256 | } | |
257 | }) | |
258 | } | |
259 | ||
260 | static listAcceptedFollowerUrlsForApi (actorIds: number[], t: Sequelize.Transaction, start?: number, count?: number) { | |
261 | return ActorFollowModel.createListAcceptedFollowForApiQuery('followers', actorIds, t, start, count) | |
262 | } | |
263 | ||
264 | static listAcceptedFollowerSharedInboxUrls (actorIds: number[], t: Sequelize.Transaction) { | |
ca309a9f | 265 | return ActorFollowModel.createListAcceptedFollowForApiQuery( |
759f8a29 | 266 | 'followers', |
ca309a9f C |
267 | actorIds, |
268 | t, | |
269 | undefined, | |
270 | undefined, | |
759f8a29 C |
271 | 'sharedInboxUrl', |
272 | true | |
ca309a9f | 273 | ) |
50d6de9c C |
274 | } |
275 | ||
276 | static listAcceptedFollowingUrlsForApi (actorIds: number[], t: Sequelize.Transaction, start?: number, count?: number) { | |
277 | return ActorFollowModel.createListAcceptedFollowForApiQuery('following', actorIds, t, start, count) | |
278 | } | |
279 | ||
759f8a29 C |
280 | private static async createListAcceptedFollowForApiQuery ( |
281 | type: 'followers' | 'following', | |
282 | actorIds: number[], | |
283 | t: Sequelize.Transaction, | |
284 | start?: number, | |
285 | count?: number, | |
286 | columnUrl = 'url', | |
287 | distinct = false | |
288 | ) { | |
50d6de9c C |
289 | let firstJoin: string |
290 | let secondJoin: string | |
291 | ||
292 | if (type === 'followers') { | |
293 | firstJoin = 'targetActorId' | |
294 | secondJoin = 'actorId' | |
295 | } else { | |
296 | firstJoin = 'actorId' | |
297 | secondJoin = 'targetActorId' | |
298 | } | |
299 | ||
759f8a29 C |
300 | const selections: string[] = [] |
301 | if (distinct === true) selections.push('DISTINCT("Follows"."' + columnUrl + '") AS "url"') | |
302 | else selections.push('"Follows"."' + columnUrl + '" AS "url"') | |
303 | ||
304 | selections.push('COUNT(*) AS "total"') | |
305 | ||
50d6de9c C |
306 | const tasks: Bluebird<any>[] = [] |
307 | ||
759f8a29 | 308 | for (let selection of selections) { |
50d6de9c C |
309 | let query = 'SELECT ' + selection + ' FROM "actor" ' + |
310 | 'INNER JOIN "actorFollow" ON "actorFollow"."' + firstJoin + '" = "actor"."id" ' + | |
311 | 'INNER JOIN "actor" AS "Follows" ON "actorFollow"."' + secondJoin + '" = "Follows"."id" ' + | |
312 | 'WHERE "actor"."id" = ANY ($actorIds) AND "actorFollow"."state" = \'accepted\' ' | |
313 | ||
314 | if (count !== undefined) query += 'LIMIT ' + count | |
315 | if (start !== undefined) query += ' OFFSET ' + start | |
316 | ||
317 | const options = { | |
318 | bind: { actorIds }, | |
319 | type: Sequelize.QueryTypes.SELECT, | |
320 | transaction: t | |
321 | } | |
322 | tasks.push(ActorFollowModel.sequelize.query(query, options)) | |
323 | } | |
324 | ||
325 | const [ followers, [ { total } ] ] = await | |
326 | Promise.all(tasks) | |
327 | const urls: string[] = followers.map(f => f.url) | |
328 | ||
329 | return { | |
330 | data: urls, | |
331 | total: parseInt(total, 10) | |
332 | } | |
333 | } | |
334 | ||
60650c77 C |
335 | private static incrementScores (inboxUrls: string[], value: number, t: Sequelize.Transaction) { |
336 | const inboxUrlsString = inboxUrls.map(url => `'${url}'`).join(',') | |
337 | ||
05bc4dfa | 338 | const query = `UPDATE "actorFollow" SET "score" = LEAST("score" + ${value}, ${ACTOR_FOLLOW_SCORE.MAX}) ` + |
60650c77 C |
339 | 'WHERE id IN (' + |
340 | 'SELECT "actorFollow"."id" FROM "actorFollow" ' + | |
341 | 'INNER JOIN "actor" ON "actor"."id" = "actorFollow"."actorId" ' + | |
342 | 'WHERE "actor"."inboxUrl" IN (' + inboxUrlsString + ') OR "actor"."sharedInboxUrl" IN (' + inboxUrlsString + ')' + | |
343 | ')' | |
344 | ||
345 | const options = { | |
346 | type: Sequelize.QueryTypes.BULKUPDATE, | |
347 | transaction: t | |
348 | } | |
349 | ||
350 | return ActorFollowModel.sequelize.query(query, options) | |
351 | } | |
352 | ||
353 | private static listBadActorFollows () { | |
354 | const query = { | |
355 | where: { | |
356 | score: { | |
357 | [Sequelize.Op.lte]: 0 | |
358 | } | |
359 | } | |
360 | } | |
361 | ||
362 | return ActorFollowModel.findAll(query) | |
363 | } | |
364 | ||
365 | toFormattedJSON (): AccountFollow { | |
50d6de9c C |
366 | const follower = this.ActorFollower.toFormattedJSON() |
367 | const following = this.ActorFollowing.toFormattedJSON() | |
368 | ||
369 | return { | |
370 | id: this.id, | |
371 | follower, | |
372 | following, | |
60650c77 | 373 | score: this.score, |
50d6de9c C |
374 | state: this.state, |
375 | createdAt: this.createdAt, | |
376 | updatedAt: this.updatedAt | |
377 | } | |
378 | } | |
379 | } |