2 files changed, 12 insertions, 4 deletions

diff --git a/server/models/video/tag.ts b/server/models/video/tag.ts
index b110f2a43..ed8df8b48 100644
--- a/server/models/video/tag.ts
+++ b/server/models/video/tag.ts
@@ -1,5 +1,5 @@
 import * as Bluebird from 'bluebird'
-import { QueryTypes, Transaction } from 'sequelize'
+import { fn, QueryTypes, Transaction, col } from 'sequelize'
 import { AllowNull, BelongsToMany, Column, CreatedAt, Is, Model, Table, UpdatedAt } from 'sequelize-typescript'
 import { isVideoTagValid } from '../../helpers/custom-validators/videos'
 import { throwIfNotValid } from '../utils'
@@ -15,6 +15,10 @@ import { MTag } from '@server/typings/models'
     {
       fields: [ 'name' ],
       unique: true
+    },
+    {
+      name: 'tag_lower_name',
+      fields: [ fn('lower', col('name')) ] as any // FIXME: typings
     }
   ]
 })
diff --git a/server/models/video/video.ts b/server/models/video/video.ts
index 6a95f6ef7..6856dcd9f 100644
--- a/server/models/video/video.ts
+++ b/server/models/video/video.ts
@@ -468,13 +468,15 @@ export type AvailableForListIDsOptions = {
     // FIXME: issues with sequelize count when making a join on n:m relation, so we just make a IN()
     if (options.tagsAllOf || options.tagsOneOf) {
       if (options.tagsOneOf) {
+        const tagsOneOfLower = options.tagsOneOf.map(t => t.toLowerCase())
+
         whereAnd.push({
           id: {
             [ Op.in ]: Sequelize.literal(
               '(' +
               'SELECT "videoId" FROM "videoTag" ' +
               'INNER JOIN "tag" ON "tag"."id" = "videoTag"."tagId" ' +
-              'WHERE "tag"."name" IN (' + createSafeIn(VideoModel, options.tagsOneOf) + ')' +
+              'WHERE lower("tag"."name") IN (' + createSafeIn(VideoModel, tagsOneOfLower) + ')' +
               ')'
             )
           }
@@ -482,14 +484,16 @@ export type AvailableForListIDsOptions = {
       }
 
       if (options.tagsAllOf) {
+        const tagsAllOfLower = options.tagsAllOf.map(t => t.toLowerCase())
+
         whereAnd.push({
           id: {
             [ Op.in ]: Sequelize.literal(
               '(' +
               'SELECT "videoId" FROM "videoTag" ' +
               'INNER JOIN "tag" ON "tag"."id" = "videoTag"."tagId" ' +
-              'WHERE "tag"."name" IN (' + createSafeIn(VideoModel, options.tagsAllOf) + ')' +
-              'GROUP BY "videoTag"."videoId" HAVING COUNT(*) = ' + options.tagsAllOf.length +
+              'WHERE lower("tag"."name") IN (' + createSafeIn(VideoModel, tagsAllOfLower) + ')' +
+              'GROUP BY "videoTag"."videoId" HAVING COUNT(*) = ' + tagsAllOfLower.length +
               ')'
             )
           }