X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fmodels%2Futils.ts;h=e7e6ddde1f61e6c86117b4fa073f32bf6ebfe45e;hb=951532924c1b3fd547cbf45f0c9cf9734203d6b4;hp=1bf61d2a693021aff86a88732587dfabe3ccd87b;hpb=792dbaf07f83fbe3f1d209cd9edf190442c7d2f3;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/models/utils.ts b/server/models/utils.ts
index 1bf61d2a6..e7e6ddde1 100644
--- a/server/models/utils.ts
+++ b/server/models/utils.ts
@@ -1,35 +1,192 @@
-// Translate for example "-name" to [ 'name', 'DESC' ]
-function getSort (value: string) {
-  let field: string
-  let direction: 'ASC' | 'DESC'
+import { Model, Sequelize } from 'sequelize-typescript'
+import * as validator from 'validator'
+import { Col } from 'sequelize/types/lib/utils'
+import { col, literal, OrderItem } from 'sequelize'
 
-  if (value.substring(0, 1) === '-') {
-    direction = 'DESC'
-    field = value.substring(1)
+type SortType = { sortModel: string, sortValue: string }
+
+// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
+function getSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
+  const { direction, field } = buildDirectionAndField(value)
+
+  let finalField: string | Col
+
+  if (field.toLowerCase() === 'match') { // Search
+    finalField = Sequelize.col('similarity')
+  } else if (field === 'videoQuotaUsed') { // Users list
+    finalField = Sequelize.col('videoQuotaUsed')
   } else {
-    direction = 'ASC'
-    field = value
+    finalField = field
+  }
+
+  return [ [ finalField, direction ], lastSort ]
+}
+
+function getVideoSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
+  const { direction, field } = buildDirectionAndField(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
+    ]
+  }
+
+  let finalField: string | Col
+
+  // Alias
+  if (field.toLowerCase() === 'match') { // Search
+    finalField = Sequelize.col('similarity')
+  } else {
+    finalField = field
+  }
+
+  const firstSort = typeof finalField === 'string'
+    ? finalField.split('.').concat([ direction ]) as any // FIXME: sequelize typings
+    : [ finalField, direction ]
+
+  return [ firstSort, lastSort ]
+}
+
+function getBlacklistSort (model: any, value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
+  const [ firstSort ] = getSort(value)
+
+  if (model) return [ [ literal(`"${model}.${firstSort[ 0 ]}" ${firstSort[ 1 ]}`) ], lastSort ] as any[] // FIXME: typings
+  return [ firstSort, lastSort ]
+}
+
+function isOutdated (model: { createdAt: Date, updatedAt: Date }, refreshInterval: number) {
+  const now = Date.now()
+  const createdAtTime = model.createdAt.getTime()
+  const updatedAtTime = model.updatedAt.getTime()
+
+  return (now - createdAtTime) > refreshInterval && (now - updatedAtTime) > refreshInterval
+}
+
+function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value', nullable = false) {
+  if (nullable && (value === null || value === undefined)) return
+
+  if (validator(value) === false) {
+    throw new Error(`"${value}" is not a valid ${fieldName}.`)
+  }
+}
+
+function buildTrigramSearchIndex (indexName: string, attribute: string) {
+  return {
+    name: indexName,
+    fields: [ Sequelize.literal('lower(immutable_unaccent(' + attribute + '))') as any ],
+    using: 'gin',
+    operator: 'gin_trgm_ops'
   }
+}
+
+function createSimilarityAttribute (col: string, value: string) {
+  return Sequelize.fn(
+    'similarity',
+
+    searchTrigramNormalizeCol(col),
+
+    searchTrigramNormalizeValue(value)
+  )
+}
+
+function buildBlockedAccountSQL (serverAccountId: number, userAccountId?: number) {
+  const blockerIds = [ serverAccountId ]
+  if (userAccountId) blockerIds.push(userAccountId)
+
+  const blockerIdsString = blockerIds.join(', ')
+
+  return 'SELECT "targetAccountId" AS "id" FROM "accountBlocklist" WHERE "accountId" IN (' + blockerIdsString + ')' +
+    ' UNION ALL ' +
+    'SELECT "account"."id" AS "id" FROM account INNER JOIN "actor" ON account."actorId" = actor.id ' +
+    'INNER JOIN "serverBlocklist" ON "actor"."serverId" = "serverBlocklist"."targetServerId" ' +
+    'WHERE "serverBlocklist"."accountId" IN (' + blockerIdsString + ')'
+}
 
-  return [ field, direction ]
+function buildServerIdsFollowedBy (actorId: any) {
+  const actorIdNumber = parseInt(actorId + '', 10)
+
+  return '(' +
+    'SELECT "actor"."serverId" FROM "actorFollow" ' +
+    'INNER JOIN "actor" ON actor.id = "actorFollow"."targetActorId" ' +
+    'WHERE "actorFollow"."actorId" = ' + actorIdNumber +
+  ')'
 }
 
-function addMethodsToModel (model: any, classMethods: Function[], instanceMethods: Function[] = []) {
-  classMethods.forEach(m => model[m.name] = m)
-  instanceMethods.forEach(m => model.prototype[m.name] = m)
+function buildWhereIdOrUUID (id: number | string) {
+  return validator.isInt('' + id) ? { id } : { uuid: id }
 }
 
-function getSortOnModel (model: any, value: string) {
-  let sort = getSort(value)
+function parseAggregateResult (result: any) {
+  if (!result) return 0
+
+  const total = parseInt(result + '', 10)
+  if (isNaN(total)) return 0
 
-  if (model) return [ { model: model }, sort[0], sort[1] ]
-  return sort
+  return total
+}
+
+const createSafeIn = (model: typeof Model, stringArr: (string | number)[]) => {
+  return stringArr.map(t => model.sequelize.escape('' + t))
+                  .join(', ')
+}
+
+function buildLocalAccountIdsIn () {
+  return literal(
+    '(SELECT "account"."id" FROM "account" INNER JOIN "actor" ON "actor"."id" = "account"."actorId" AND "actor"."serverId" IS NULL)'
+  )
+}
+
+function buildLocalActorIdsIn () {
+  return literal(
+    '(SELECT "actor"."id" FROM "actor" WHERE "actor"."serverId" IS NULL)'
+  )
 }
 
 // ---------------------------------------------------------------------------
 
 export {
-  addMethodsToModel,
+  buildBlockedAccountSQL,
+  buildLocalActorIdsIn,
+  SortType,
+  buildLocalAccountIdsIn,
   getSort,
-  getSortOnModel
+  getVideoSort,
+  getBlacklistSort,
+  createSimilarityAttribute,
+  throwIfNotValid,
+  buildServerIdsFollowedBy,
+  buildTrigramSearchIndex,
+  buildWhereIdOrUUID,
+  isOutdated,
+  parseAggregateResult,
+  createSafeIn
+}
+
+// ---------------------------------------------------------------------------
+
+function searchTrigramNormalizeValue (value: string) {
+  return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', value))
+}
+
+function searchTrigramNormalizeCol (col: string) {
+  return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', Sequelize.col(col)))
+}
+
+function buildDirectionAndField (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 }
 }