X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fmodels%2Futils.ts;h=50c865e758de9f5113a66a5f5554a83b55618d68;hb=7ad9b9846c44d198a736183fb186c2039f5236b5;hp=1606453e0e45212e04cf9591dc119415ea0f1816;hpb=3fd3ab2d34d512b160a5e6084d7609be7b4f4452;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/models/utils.ts b/server/models/utils.ts
index 1606453e0..50c865e75 100644
--- a/server/models/utils.ts
+++ b/server/models/utils.ts
@@ -1,24 +1,42 @@
-// Translate for example "-name" to [ 'name', 'DESC' ]
-function getSort (value: string) {
-  let field: string
-  let direction: 'ASC' | 'DESC'
+import { Sequelize } from 'sequelize-typescript'
 
-  if (value.substring(0, 1) === '-') {
-    direction = 'DESC'
-    field = value.substring(1)
-  } else {
-    direction = 'ASC'
-    field = value
+type SortType = { sortModel: any, sortValue: string }
+
+// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
+function getSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
+  let { direction, field } = buildDirectionAndField(value)
+
+  if (field.toLowerCase() === 'match') { // Search
+    field = Sequelize.col('similarity')
   }
 
-  return [ field, direction ]
+  return [ [ field, direction ], lastSort ]
 }
 
-function getSortOnModel (model: any, value: string) {
-  let sort = getSort(value)
+function getVideoSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
+  let { direction, field } = buildDirectionAndField(value)
 
-  if (model) return [ model, sort[0], sort[1] ]
-  return sort
+  // Alias
+  if (field.toLowerCase() === 'match') { // Search
+    field = Sequelize.col('similarity')
+  } else 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
+    ]
+  }
+
+  return [ [ field, direction ], lastSort ]
+}
+
+function getSortOnModel (model: any, value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
+  let [ firstSort ] = getSort(value)
+
+  if (model) return [ [ model, firstSort[0], firstSort[1] ], lastSort ]
+  return [ firstSort, lastSort ]
 }
 
 function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value') {
@@ -27,10 +45,76 @@ function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldN
   }
 }
 
+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(', ')
+
+  const query = 'SELECT "targetAccountId" AS "id" FROM "accountBlocklist" WHERE "accountId" IN (' + blockerIdsString + ')' +
+    ' UNION ALL ' +
+    // 'SELECT "accountId" FROM "accountBlocklist" WHERE "targetAccountId" = user.account.id
+    // 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 query
+}
+
 // ---------------------------------------------------------------------------
 
 export {
+  buildBlockedAccountSQL,
+  SortType,
   getSort,
+  getVideoSort,
   getSortOnModel,
-  throwIfNotValid
+  createSimilarityAttribute,
+  throwIfNotValid,
+  buildTrigramSearchIndex
+}
+
+// ---------------------------------------------------------------------------
+
+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: any
+  let direction: 'ASC' | 'DESC'
+
+  if (value.substring(0, 1) === '-') {
+    direction = 'DESC'
+    field = value.substring(1)
+  } else {
+    direction = 'ASC'
+    field = value
+  }
+
+  return { direction, field }
 }