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57c36b27 C |
1 | import { Sequelize } from 'sequelize-typescript' |
2 | ||
06215f15 C |
3 | type SortType = { sortModel: any, sortValue: string } |
4 | ||
9a629c6e | 5 | // Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ] |
3bb6c526 | 6 | function getSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) { |
4b54f136 C |
7 | let { direction, field } = buildDirectionAndField(value) |
8 | ||
9 | if (field.toLowerCase() === 'match') { // Search | |
10 | field = Sequelize.col('similarity') | |
11 | } | |
5c39adb7 | 12 | |
9a629c6e C |
13 | return [ [ field, direction ], lastSort ] |
14 | } | |
15 | ||
16 | function getVideoSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) { | |
17 | let { direction, field } = buildDirectionAndField(value) | |
5c39adb7 | 18 | |
57c36b27 | 19 | // Alias |
4b54f136 C |
20 | if (field.toLowerCase() === 'match') { // Search |
21 | field = Sequelize.col('similarity') | |
22 | } else if (field.toLowerCase() === 'trending') { // Sort by aggregation | |
9a629c6e C |
23 | return [ |
24 | [ Sequelize.fn('COALESCE', Sequelize.fn('SUM', Sequelize.col('VideoViews.views')), '0'), direction ], | |
25 | ||
26 | [ Sequelize.col('VideoModel.views'), direction ], | |
27 | ||
28 | lastSort | |
29 | ] | |
30 | } | |
31 | ||
3bb6c526 | 32 | return [ [ field, direction ], lastSort ] |
5c39adb7 C |
33 | } |
34 | ||
3bb6c526 C |
35 | function getSortOnModel (model: any, value: string, lastSort: string[] = [ 'id', 'ASC' ]) { |
36 | let [ firstSort ] = getSort(value) | |
792dbaf0 | 37 | |
3bb6c526 C |
38 | if (model) return [ [ model, firstSort[0], firstSort[1] ], lastSort ] |
39 | return [ firstSort, lastSort ] | |
792dbaf0 GS |
40 | } |
41 | ||
3fd3ab2d C |
42 | function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value') { |
43 | if (validator(value) === false) { | |
44 | throw new Error(`"${value}" is not a valid ${fieldName}.`) | |
45 | } | |
46 | } | |
47 | ||
57c36b27 C |
48 | function buildTrigramSearchIndex (indexName: string, attribute: string) { |
49 | return { | |
50 | name: indexName, | |
51 | fields: [ Sequelize.literal('lower(immutable_unaccent(' + attribute + '))') as any ], | |
52 | using: 'gin', | |
53 | operator: 'gin_trgm_ops' | |
54 | } | |
55 | } | |
56 | ||
57 | function createSimilarityAttribute (col: string, value: string) { | |
58 | return Sequelize.fn( | |
59 | 'similarity', | |
60 | ||
61 | searchTrigramNormalizeCol(col), | |
62 | ||
63 | searchTrigramNormalizeValue(value) | |
64 | ) | |
65 | } | |
66 | ||
7ad9b984 C |
67 | function buildBlockedAccountSQL (serverAccountId: number, userAccountId?: number) { |
68 | const blockerIds = [ serverAccountId ] | |
69 | if (userAccountId) blockerIds.push(userAccountId) | |
70 | ||
71 | const blockerIdsString = blockerIds.join(', ') | |
72 | ||
73 | const query = 'SELECT "targetAccountId" AS "id" FROM "accountBlocklist" WHERE "accountId" IN (' + blockerIdsString + ')' + | |
74 | ' UNION ALL ' + | |
7ad9b984 C |
75 | 'SELECT "account"."id" AS "id" FROM account INNER JOIN "actor" ON account."actorId" = actor.id ' + |
76 | 'INNER JOIN "serverBlocklist" ON "actor"."serverId" = "serverBlocklist"."targetServerId" ' + | |
77 | 'WHERE "serverBlocklist"."accountId" IN (' + blockerIdsString + ')' | |
78 | ||
79 | return query | |
80 | } | |
81 | ||
5c39adb7 C |
82 | // --------------------------------------------------------------------------- |
83 | ||
65fcc311 | 84 | export { |
7ad9b984 | 85 | buildBlockedAccountSQL, |
06215f15 | 86 | SortType, |
792dbaf0 | 87 | getSort, |
9a629c6e | 88 | getVideoSort, |
3fd3ab2d | 89 | getSortOnModel, |
57c36b27 C |
90 | createSimilarityAttribute, |
91 | throwIfNotValid, | |
dbfd3e9b | 92 | buildTrigramSearchIndex |
57c36b27 C |
93 | } |
94 | ||
95 | // --------------------------------------------------------------------------- | |
96 | ||
97 | function searchTrigramNormalizeValue (value: string) { | |
2cebd797 | 98 | return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', value)) |
57c36b27 C |
99 | } |
100 | ||
101 | function searchTrigramNormalizeCol (col: string) { | |
102 | return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', Sequelize.col(col))) | |
65fcc311 | 103 | } |
9a629c6e C |
104 | |
105 | function buildDirectionAndField (value: string) { | |
106 | let field: any | |
107 | let direction: 'ASC' | 'DESC' | |
108 | ||
109 | if (value.substring(0, 1) === '-') { | |
110 | direction = 'DESC' | |
111 | field = value.substring(1) | |
112 | } else { | |
113 | direction = 'ASC' | |
114 | field = value | |
115 | } | |
116 | ||
117 | return { direction, field } | |
118 | } |