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import { literal, OrderItem, Sequelize } from 'sequelize'
// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
function getSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
const { direction, field } = buildSortDirectionAndField(value)
let finalField: string | ReturnType<typeof Sequelize.col>
if (field.toLowerCase() === 'match') { // Search
finalField = Sequelize.col('similarity')
} else {
finalField = field
}
return [ [ finalField, direction ], lastSort ]
}
function getAdminUsersSort (value: string): OrderItem[] {
const { direction, field } = buildSortDirectionAndField(value)
let finalField: string | ReturnType<typeof Sequelize.col>
if (field === 'videoQuotaUsed') { // Users list
finalField = Sequelize.col('videoQuotaUsed')
} else {
finalField = field
}
const nullPolicy = direction === 'ASC'
? 'NULLS FIRST'
: 'NULLS LAST'
// FIXME: typings
return [ [ finalField as any, direction, nullPolicy ], [ 'id', 'ASC' ] ]
}
function getPlaylistSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
const { direction, field } = buildSortDirectionAndField(value)
if (field.toLowerCase() === 'name') {
return [ [ 'displayName', direction ], lastSort ]
}
return getSort(value, lastSort)
}
function getVideoSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
const { direction, field } = buildSortDirectionAndField(value)
if (field.toLowerCase() === 'trending') { // Sort by aggregation
return [
[ Sequelize.fn('COALESCE', Sequelize.fn('SUM', Sequelize.col('VideoViews.views')), '0'), direction ],
[ Sequelize.col('VideoModel.views'), direction ],
lastSort
]
} else if (field === 'publishedAt') {
return [
[ 'ScheduleVideoUpdate', 'updateAt', direction + ' NULLS LAST' ],
[ Sequelize.col('VideoModel.publishedAt'), direction ],
lastSort
]
}
let finalField: string | ReturnType<typeof Sequelize.col>
// Alias
if (field.toLowerCase() === 'match') { // Search
finalField = Sequelize.col('similarity')
} else {
finalField = field
}
const firstSort: OrderItem = typeof finalField === 'string'
? finalField.split('.').concat([ direction ]) as OrderItem
: [ finalField, direction ]
return [ firstSort, lastSort ]
}
function getBlacklistSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
const { direction, field } = buildSortDirectionAndField(value)
const videoFields = new Set([ 'name', 'duration', 'views', 'likes', 'dislikes', 'uuid' ])
if (videoFields.has(field)) {
return [
[ literal(`"Video.${field}" ${direction}`) ],
lastSort
] as OrderItem[]
}
return getSort(value, lastSort)
}
function getInstanceFollowsSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
const { direction, field } = buildSortDirectionAndField(value)
if (field === 'redundancyAllowed') {
return [
[ 'ActorFollowing.Server.redundancyAllowed', direction ],
lastSort
]
}
return getSort(value, lastSort)
}
function getChannelSyncSort (value: string): OrderItem[] {
const { direction, field } = buildSortDirectionAndField(value)
if (field.toLowerCase() === 'videochannel') {
return [
[ literal('"VideoChannel.name"'), direction ]
]
}
return [ [ field, direction ] ]
}
function buildSortDirectionAndField (value: string) {
let field: string
let direction: 'ASC' | 'DESC'
if (value.substring(0, 1) === '-') {
direction = 'DESC'
field = value.substring(1)
} else {
direction = 'ASC'
field = value
}
return { direction, field }
}
export {
buildSortDirectionAndField,
getPlaylistSort,
getSort,
getAdminUsersSort,
getVideoSort,
getBlacklistSort,
getChannelSyncSort,
getInstanceFollowsSort
}
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