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57c36b27 | 1 | import { Sequelize } from 'sequelize-typescript' |
418d092a | 2 | import * as validator from 'validator' |
57c36b27 | 3 | |
06215f15 C |
4 | type SortType = { sortModel: any, sortValue: string } |
5 | ||
9a629c6e | 6 | // Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ] |
3bb6c526 | 7 | function getSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) { |
4b54f136 C |
8 | let { direction, field } = buildDirectionAndField(value) |
9 | ||
10 | if (field.toLowerCase() === 'match') { // Search | |
11 | field = Sequelize.col('similarity') | |
12 | } | |
5c39adb7 | 13 | |
9a629c6e C |
14 | return [ [ field, direction ], lastSort ] |
15 | } | |
16 | ||
17 | function getVideoSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) { | |
18 | let { direction, field } = buildDirectionAndField(value) | |
5c39adb7 | 19 | |
57c36b27 | 20 | // Alias |
4b54f136 C |
21 | if (field.toLowerCase() === 'match') { // Search |
22 | field = Sequelize.col('similarity') | |
23 | } else if (field.toLowerCase() === 'trending') { // Sort by aggregation | |
9a629c6e C |
24 | return [ |
25 | [ Sequelize.fn('COALESCE', Sequelize.fn('SUM', Sequelize.col('VideoViews.views')), '0'), direction ], | |
26 | ||
27 | [ Sequelize.col('VideoModel.views'), direction ], | |
28 | ||
29 | lastSort | |
30 | ] | |
31 | } | |
32 | ||
afa4374a C |
33 | const firstSort = typeof field === 'string' ? |
34 | field.split('.').concat([ direction ]) : | |
35 | [ field, direction ] | |
36 | ||
37 | return [ firstSort, lastSort ] | |
5c39adb7 C |
38 | } |
39 | ||
3bb6c526 C |
40 | function getSortOnModel (model: any, value: string, lastSort: string[] = [ 'id', 'ASC' ]) { |
41 | let [ firstSort ] = getSort(value) | |
792dbaf0 | 42 | |
3bb6c526 C |
43 | if (model) return [ [ model, firstSort[0], firstSort[1] ], lastSort ] |
44 | return [ firstSort, lastSort ] | |
792dbaf0 GS |
45 | } |
46 | ||
3fd3ab2d C |
47 | function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value') { |
48 | if (validator(value) === false) { | |
49 | throw new Error(`"${value}" is not a valid ${fieldName}.`) | |
50 | } | |
51 | } | |
52 | ||
57c36b27 C |
53 | function buildTrigramSearchIndex (indexName: string, attribute: string) { |
54 | return { | |
55 | name: indexName, | |
56 | fields: [ Sequelize.literal('lower(immutable_unaccent(' + attribute + '))') as any ], | |
57 | using: 'gin', | |
58 | operator: 'gin_trgm_ops' | |
59 | } | |
60 | } | |
61 | ||
62 | function createSimilarityAttribute (col: string, value: string) { | |
63 | return Sequelize.fn( | |
64 | 'similarity', | |
65 | ||
66 | searchTrigramNormalizeCol(col), | |
67 | ||
68 | searchTrigramNormalizeValue(value) | |
69 | ) | |
70 | } | |
71 | ||
7ad9b984 C |
72 | function buildBlockedAccountSQL (serverAccountId: number, userAccountId?: number) { |
73 | const blockerIds = [ serverAccountId ] | |
74 | if (userAccountId) blockerIds.push(userAccountId) | |
75 | ||
76 | const blockerIdsString = blockerIds.join(', ') | |
77 | ||
418d092a | 78 | return 'SELECT "targetAccountId" AS "id" FROM "accountBlocklist" WHERE "accountId" IN (' + blockerIdsString + ')' + |
7ad9b984 | 79 | ' UNION ALL ' + |
7ad9b984 C |
80 | 'SELECT "account"."id" AS "id" FROM account INNER JOIN "actor" ON account."actorId" = actor.id ' + |
81 | 'INNER JOIN "serverBlocklist" ON "actor"."serverId" = "serverBlocklist"."targetServerId" ' + | |
82 | 'WHERE "serverBlocklist"."accountId" IN (' + blockerIdsString + ')' | |
418d092a C |
83 | } |
84 | ||
85 | function buildServerIdsFollowedBy (actorId: any) { | |
86 | const actorIdNumber = parseInt(actorId + '', 10) | |
87 | ||
88 | return '(' + | |
89 | 'SELECT "actor"."serverId" FROM "actorFollow" ' + | |
90 | 'INNER JOIN "actor" ON actor.id = "actorFollow"."targetActorId" ' + | |
91 | 'WHERE "actorFollow"."actorId" = ' + actorIdNumber + | |
92 | ')' | |
93 | } | |
7ad9b984 | 94 | |
418d092a C |
95 | function buildWhereIdOrUUID (id: number | string) { |
96 | return validator.isInt('' + id) ? { id } : { uuid: id } | |
7ad9b984 C |
97 | } |
98 | ||
5c39adb7 C |
99 | // --------------------------------------------------------------------------- |
100 | ||
65fcc311 | 101 | export { |
7ad9b984 | 102 | buildBlockedAccountSQL, |
06215f15 | 103 | SortType, |
792dbaf0 | 104 | getSort, |
9a629c6e | 105 | getVideoSort, |
3fd3ab2d | 106 | getSortOnModel, |
57c36b27 C |
107 | createSimilarityAttribute, |
108 | throwIfNotValid, | |
418d092a C |
109 | buildServerIdsFollowedBy, |
110 | buildTrigramSearchIndex, | |
111 | buildWhereIdOrUUID | |
57c36b27 C |
112 | } |
113 | ||
114 | // --------------------------------------------------------------------------- | |
115 | ||
116 | function searchTrigramNormalizeValue (value: string) { | |
2cebd797 | 117 | return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', value)) |
57c36b27 C |
118 | } |
119 | ||
120 | function searchTrigramNormalizeCol (col: string) { | |
121 | return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', Sequelize.col(col))) | |
65fcc311 | 122 | } |
9a629c6e C |
123 | |
124 | function buildDirectionAndField (value: string) { | |
125 | let field: any | |
126 | let direction: 'ASC' | 'DESC' | |
127 | ||
128 | if (value.substring(0, 1) === '-') { | |
129 | direction = 'DESC' | |
130 | field = value.substring(1) | |
131 | } else { | |
132 | direction = 'ASC' | |
133 | field = value | |
134 | } | |
135 | ||
136 | return { direction, field } | |
137 | } |