From 3caf77d3b11f2dbc12e52d665183d36604c1dab9 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Wed, 19 Jun 2019 14:55:58 +0200
Subject: Add language filters in user preferences

---
 client/src/app/shared/users/user.model.ts          |  1 +
 client/src/app/shared/video/abstract-video-list.ts | 27 ++++++++++++++++++----
 client/src/app/shared/video/video.service.ts       | 22 +++++++++++++-----
 3 files changed, 40 insertions(+), 10 deletions(-)

(limited to 'client/src/app/shared')

diff --git a/client/src/app/shared/users/user.model.ts b/client/src/app/shared/users/user.model.ts
index 14d13959a..95a6ce9f9 100644
--- a/client/src/app/shared/users/user.model.ts
+++ b/client/src/app/shared/users/user.model.ts
@@ -18,6 +18,7 @@ export class User implements UserServerModel {
   webTorrentEnabled: boolean
   autoPlayVideo: boolean
   videosHistoryEnabled: boolean
+  videoLanguages: string[]
 
   videoQuota: number
   videoQuotaDaily: number
diff --git a/client/src/app/shared/video/abstract-video-list.ts b/client/src/app/shared/video/abstract-video-list.ts
index dc8f9cda9..cf4b5ef8e 100644
--- a/client/src/app/shared/video/abstract-video-list.ts
+++ b/client/src/app/shared/video/abstract-video-list.ts
@@ -1,7 +1,7 @@
-import { debounceTime } from 'rxjs/operators'
+import { debounceTime, first, tap } from 'rxjs/operators'
 import { OnDestroy, OnInit } from '@angular/core'
 import { ActivatedRoute, Router } from '@angular/router'
-import { fromEvent, Observable, Subscription } from 'rxjs'
+import { fromEvent, Observable, of, Subscription } from 'rxjs'
 import { AuthService } from '../../core/auth'
 import { ComponentPagination } from '../rest/component-pagination.model'
 import { VideoSortField } from './sort-field.type'
@@ -32,18 +32,20 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableFor
   sort: VideoSortField = '-publishedAt'
 
   categoryOneOf?: number
+  languageOneOf?: string[]
   defaultSort: VideoSortField = '-publishedAt'
 
   syndicationItems: Syndication[] = []
 
   loadOnInit = true
-  videos: Video[] = []
+  useUserVideoLanguagePreferences = false
   ownerDisplayType: OwnerDisplayType = 'account'
   displayModerationBlock = false
   titleTooltip: string
   displayVideoActions = true
   groupByDate = false
 
+  videos: Video[] = []
   disabled = false
 
   displayOptions: MiniatureDisplayOptions = {
@@ -98,7 +100,12 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableFor
       .subscribe(() => this.calcPageSizes())
 
     this.calcPageSizes()
-    if (this.loadOnInit === true) this.loadMoreVideos()
+
+    const loadUserObservable = this.loadUserVideoLanguagesIfNeeded()
+
+    if (this.loadOnInit === true) {
+      loadUserObservable.subscribe(() => this.loadMoreVideos())
+    }
   }
 
   ngOnDestroy () {
@@ -245,4 +252,16 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableFor
 
     this.router.navigate([ path ], { queryParams, replaceUrl: true, queryParamsHandling: 'merge' })
   }
+
+  private loadUserVideoLanguagesIfNeeded () {
+    if (!this.authService.isLoggedIn() || !this.useUserVideoLanguagePreferences) {
+      return of(true)
+    }
+
+    return this.authService.userInformationLoaded
+        .pipe(
+          first(),
+          tap(() => this.languageOneOf = this.user.videoLanguages)
+        )
+  }
 }
diff --git a/client/src/app/shared/video/video.service.ts b/client/src/app/shared/video/video.service.ts
index ef489648c..871bc9e46 100644
--- a/client/src/app/shared/video/video.service.ts
+++ b/client/src/app/shared/video/video.service.ts
@@ -35,12 +35,13 @@ import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
 import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
 
 export interface VideosProvider {
-  getVideos (
+  getVideos (parameters: {
     videoPagination: ComponentPagination,
     sort: VideoSortField,
     filter?: VideoFilter,
-    categoryOneOf?: number
-  ): Observable<{ videos: Video[], totalVideos: number }>
+    categoryOneOf?: number,
+    languageOneOf?: string[]
+  }): Observable<{ videos: Video[], totalVideos: number }>
 }
 
 @Injectable()
@@ -206,12 +207,15 @@ export class VideoService implements VideosProvider {
                )
   }
 
-  getVideos (
+  getVideos (parameters: {
     videoPagination: ComponentPagination,
     sort: VideoSortField,
     filter?: VideoFilter,
-    categoryOneOf?: number
-  ): Observable<{ videos: Video[], totalVideos: number }> {
+    categoryOneOf?: number,
+    languageOneOf?: string[]
+  }): Observable<{ videos: Video[], totalVideos: number }> {
+    const { videoPagination, sort, filter, categoryOneOf, languageOneOf } = parameters
+
     const pagination = this.restService.componentPaginationToRestPagination(videoPagination)
 
     let params = new HttpParams()
@@ -225,6 +229,12 @@ export class VideoService implements VideosProvider {
       params = params.set('categoryOneOf', categoryOneOf + '')
     }
 
+    if (languageOneOf) {
+      for (const l of languageOneOf) {
+        params = params.append('languageOneOf[]', l)
+      }
+    }
+
     return this.authHttp
                .get<ResultList<Video>>(VideoService.BASE_VIDEO_URL, { params })
                .pipe(
-- 
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