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50d6de9c C |
1 | import * as Bluebird from 'bluebird' |
2 | import { values } from 'lodash' | |
3 | import * as Sequelize from 'sequelize' | |
4 | import { AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, Model, Table, UpdatedAt } from 'sequelize-typescript' | |
5 | import { FollowState } from '../../../shared/models/actors' | |
6 | import { FOLLOW_STATES } from '../../initializers/constants' | |
7 | import { ServerModel } from '../server/server' | |
8 | import { getSort } from '../utils' | |
9 | import { ActorModel } from './actor' | |
10 | ||
11 | @Table({ | |
12 | tableName: 'actorFollow', | |
13 | indexes: [ | |
14 | { | |
15 | fields: [ 'actorId' ] | |
16 | }, | |
17 | { | |
18 | fields: [ 'targetActorId' ] | |
19 | }, | |
20 | { | |
21 | fields: [ 'actorId', 'targetActorId' ], | |
22 | unique: true | |
23 | } | |
24 | ] | |
25 | }) | |
26 | export class ActorFollowModel extends Model<ActorFollowModel> { | |
27 | ||
28 | @AllowNull(false) | |
29 | @Column(DataType.ENUM(values(FOLLOW_STATES))) | |
30 | state: FollowState | |
31 | ||
32 | @CreatedAt | |
33 | createdAt: Date | |
34 | ||
35 | @UpdatedAt | |
36 | updatedAt: Date | |
37 | ||
38 | @ForeignKey(() => ActorModel) | |
39 | @Column | |
40 | actorId: number | |
41 | ||
42 | @BelongsTo(() => ActorModel, { | |
43 | foreignKey: { | |
44 | name: 'actorId', | |
45 | allowNull: false | |
46 | }, | |
47 | as: 'ActorFollower', | |
48 | onDelete: 'CASCADE' | |
49 | }) | |
50 | ActorFollower: ActorModel | |
51 | ||
52 | @ForeignKey(() => ActorModel) | |
53 | @Column | |
54 | targetActorId: number | |
55 | ||
56 | @BelongsTo(() => ActorModel, { | |
57 | foreignKey: { | |
58 | name: 'targetActorId', | |
59 | allowNull: false | |
60 | }, | |
61 | as: 'ActorFollowing', | |
62 | onDelete: 'CASCADE' | |
63 | }) | |
64 | ActorFollowing: ActorModel | |
65 | ||
66 | static loadByActorAndTarget (actorId: number, targetActorId: number, t?: Sequelize.Transaction) { | |
67 | const query = { | |
68 | where: { | |
69 | actorId, | |
70 | targetActorId: targetActorId | |
71 | }, | |
72 | include: [ | |
73 | { | |
74 | model: ActorModel, | |
75 | required: true, | |
76 | as: 'ActorFollower' | |
77 | }, | |
78 | { | |
79 | model: ActorModel, | |
80 | required: true, | |
81 | as: 'ActorFollowing' | |
82 | } | |
83 | ], | |
84 | transaction: t | |
85 | } | |
86 | ||
87 | return ActorFollowModel.findOne(query) | |
88 | } | |
89 | ||
90 | static loadByActorAndTargetHost (actorId: number, targetHost: string, t?: Sequelize.Transaction) { | |
91 | const query = { | |
92 | where: { | |
93 | actorId | |
94 | }, | |
95 | include: [ | |
96 | { | |
97 | model: ActorModel, | |
98 | required: true, | |
99 | as: 'ActorFollower' | |
100 | }, | |
101 | { | |
102 | model: ActorModel, | |
103 | required: true, | |
104 | as: 'ActorFollowing', | |
105 | include: [ | |
106 | { | |
107 | model: ServerModel, | |
108 | required: true, | |
109 | where: { | |
110 | host: targetHost | |
111 | } | |
112 | } | |
113 | ] | |
114 | } | |
115 | ], | |
116 | transaction: t | |
117 | } | |
118 | ||
119 | return ActorFollowModel.findOne(query) | |
120 | } | |
121 | ||
122 | static listFollowingForApi (id: number, start: number, count: number, sort: string) { | |
123 | const query = { | |
124 | distinct: true, | |
125 | offset: start, | |
126 | limit: count, | |
127 | order: [ getSort(sort) ], | |
128 | include: [ | |
129 | { | |
130 | model: ActorModel, | |
131 | required: true, | |
132 | as: 'ActorFollower', | |
133 | where: { | |
134 | id | |
135 | } | |
136 | }, | |
137 | { | |
138 | model: ActorModel, | |
139 | as: 'ActorFollowing', | |
140 | required: true, | |
141 | include: [ ServerModel ] | |
142 | } | |
143 | ] | |
144 | } | |
145 | ||
146 | return ActorFollowModel.findAndCountAll(query) | |
147 | .then(({ rows, count }) => { | |
148 | return { | |
149 | data: rows, | |
150 | total: count | |
151 | } | |
152 | }) | |
153 | } | |
154 | ||
155 | static listFollowersForApi (id: number, start: number, count: number, sort: string) { | |
156 | const query = { | |
157 | distinct: true, | |
158 | offset: start, | |
159 | limit: count, | |
160 | order: [ getSort(sort) ], | |
161 | include: [ | |
162 | { | |
163 | model: ActorModel, | |
164 | required: true, | |
165 | as: 'ActorFollower', | |
166 | include: [ ServerModel ] | |
167 | }, | |
168 | { | |
169 | model: ActorModel, | |
170 | as: 'ActorFollowing', | |
171 | required: true, | |
172 | where: { | |
173 | id | |
174 | } | |
175 | } | |
176 | ] | |
177 | } | |
178 | ||
179 | return ActorFollowModel.findAndCountAll(query) | |
180 | .then(({ rows, count }) => { | |
181 | return { | |
182 | data: rows, | |
183 | total: count | |
184 | } | |
185 | }) | |
186 | } | |
187 | ||
188 | static listAcceptedFollowerUrlsForApi (actorIds: number[], t: Sequelize.Transaction, start?: number, count?: number) { | |
189 | return ActorFollowModel.createListAcceptedFollowForApiQuery('followers', actorIds, t, start, count) | |
190 | } | |
191 | ||
192 | static listAcceptedFollowerSharedInboxUrls (actorIds: number[], t: Sequelize.Transaction) { | |
ca309a9f | 193 | return ActorFollowModel.createListAcceptedFollowForApiQuery( |
759f8a29 | 194 | 'followers', |
ca309a9f C |
195 | actorIds, |
196 | t, | |
197 | undefined, | |
198 | undefined, | |
759f8a29 C |
199 | 'sharedInboxUrl', |
200 | true | |
ca309a9f | 201 | ) |
50d6de9c C |
202 | } |
203 | ||
204 | static listAcceptedFollowingUrlsForApi (actorIds: number[], t: Sequelize.Transaction, start?: number, count?: number) { | |
205 | return ActorFollowModel.createListAcceptedFollowForApiQuery('following', actorIds, t, start, count) | |
206 | } | |
207 | ||
759f8a29 C |
208 | private static async createListAcceptedFollowForApiQuery ( |
209 | type: 'followers' | 'following', | |
210 | actorIds: number[], | |
211 | t: Sequelize.Transaction, | |
212 | start?: number, | |
213 | count?: number, | |
214 | columnUrl = 'url', | |
215 | distinct = false | |
216 | ) { | |
50d6de9c C |
217 | let firstJoin: string |
218 | let secondJoin: string | |
219 | ||
220 | if (type === 'followers') { | |
221 | firstJoin = 'targetActorId' | |
222 | secondJoin = 'actorId' | |
223 | } else { | |
224 | firstJoin = 'actorId' | |
225 | secondJoin = 'targetActorId' | |
226 | } | |
227 | ||
759f8a29 C |
228 | const selections: string[] = [] |
229 | if (distinct === true) selections.push('DISTINCT("Follows"."' + columnUrl + '") AS "url"') | |
230 | else selections.push('"Follows"."' + columnUrl + '" AS "url"') | |
231 | ||
232 | selections.push('COUNT(*) AS "total"') | |
233 | ||
50d6de9c C |
234 | const tasks: Bluebird<any>[] = [] |
235 | ||
759f8a29 | 236 | for (let selection of selections) { |
50d6de9c C |
237 | let query = 'SELECT ' + selection + ' FROM "actor" ' + |
238 | 'INNER JOIN "actorFollow" ON "actorFollow"."' + firstJoin + '" = "actor"."id" ' + | |
239 | 'INNER JOIN "actor" AS "Follows" ON "actorFollow"."' + secondJoin + '" = "Follows"."id" ' + | |
240 | 'WHERE "actor"."id" = ANY ($actorIds) AND "actorFollow"."state" = \'accepted\' ' | |
241 | ||
242 | if (count !== undefined) query += 'LIMIT ' + count | |
243 | if (start !== undefined) query += ' OFFSET ' + start | |
244 | ||
245 | const options = { | |
246 | bind: { actorIds }, | |
247 | type: Sequelize.QueryTypes.SELECT, | |
248 | transaction: t | |
249 | } | |
250 | tasks.push(ActorFollowModel.sequelize.query(query, options)) | |
251 | } | |
252 | ||
253 | const [ followers, [ { total } ] ] = await | |
254 | Promise.all(tasks) | |
255 | const urls: string[] = followers.map(f => f.url) | |
256 | ||
257 | return { | |
258 | data: urls, | |
259 | total: parseInt(total, 10) | |
260 | } | |
261 | } | |
262 | ||
263 | toFormattedJSON () { | |
264 | const follower = this.ActorFollower.toFormattedJSON() | |
265 | const following = this.ActorFollowing.toFormattedJSON() | |
266 | ||
267 | return { | |
268 | id: this.id, | |
269 | follower, | |
270 | following, | |
271 | state: this.state, | |
272 | createdAt: this.createdAt, | |
273 | updatedAt: this.updatedAt | |
274 | } | |
275 | } | |
276 | } |