Group videos on chronological order

4 files changed, 97 insertions, 6 deletions

diff --git a/client/src/app/shared/video/abstract-video-list.html b/client/src/app/shared/video/abstract-video-list.html
index 14f48b54b..11cf1bd92 100644
--- a/client/src/app/shared/video/abstract-video-list.html
+++ b/client/src/app/shared/video/abstract-video-list.html
@@ -22,11 +22,18 @@
     myInfiniteScroller (nearOfBottom)="onNearOfBottom()" [autoInit]="true"
     class="videos"
   >
-    <my-video-miniature
-      *ngFor="let video of videos; trackBy: videoById" [video]="video" [user]="user" [ownerDisplayType]="ownerDisplayType"
-      [displayVideoActions]="displayVideoActions" [displayOptions]="displayOptions"
-      (videoBlacklisted)="removeVideoFromArray(video)" (videoRemoved)="removeVideoFromArray(video)"
-    >
-    </my-video-miniature>
+    <ng-container *ngFor="let video of videos; trackBy: videoById;">
+      <div class="date-title" *ngIf="getCurrentGroupedDateLabel(video)">
+        {{ getCurrentGroupedDateLabel(video) }}
+      </div>
+
+
+      <my-video-miniature
+        [video]="video" [user]="user" [ownerDisplayType]="ownerDisplayType"
+        [displayVideoActions]="displayVideoActions" [displayOptions]="displayOptions"
+        (videoBlacklisted)="removeVideoFromArray(video)" (videoRemoved)="removeVideoFromArray(video)"
+      >
+      </my-video-miniature>
+    </ng-container>
   </div>
 </div>
diff --git a/client/src/app/shared/video/abstract-video-list.scss b/client/src/app/shared/video/abstract-video-list.scss
index d94596113..98b80fdfd 100644
--- a/client/src/app/shared/video/abstract-video-list.scss
+++ b/client/src/app/shared/video/abstract-video-list.scss
@@ -24,6 +24,18 @@
   }
 }
 
+.date-title {
+  font-size: 16px;
+  font-weight: $font-semibold;
+  margin-bottom: 20px;
+  margin-top: -10px;
+  padding-top: 20px;
+
+  &:not(:first-child) {
+    border-top: 1px solid $separator-border-color;
+  }
+}
+
 .margin-content {
   @include adapt-margin-content-width;
 }
diff --git a/client/src/app/shared/video/abstract-video-list.ts b/client/src/app/shared/video/abstract-video-list.ts
index fa9d38735..eba05c07d 100644
--- a/client/src/app/shared/video/abstract-video-list.ts
+++ b/client/src/app/shared/video/abstract-video-list.ts
@@ -11,6 +11,17 @@ import { MiniatureDisplayOptions, OwnerDisplayType } from '@app/shared/video/vid
 import { Syndication } from '@app/shared/video/syndication.model'
 import { Notifier, ServerService } from '@app/core'
 import { DisableForReuseHook } from '@app/core/routing/disable-for-reuse-hook'
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { isThisMonth, isThisWeek, isToday, isYesterday } from '@shared/core-utils/miscs/date'
+
+enum GroupDate {
+  UNKNOWN = 0,
+  TODAY = 1,
+  YESTERDAY = 2,
+  THIS_WEEK = 3,
+  THIS_MONTH = 4,
+  OLDER = 5
+}
 
 export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableForReuseHook {
   pagination: ComponentPagination = {
@@ -31,6 +42,7 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableFor
   displayModerationBlock = false
   titleTooltip: string
   displayVideoActions = true
+  groupByDate = false
 
   disabled = false
 
@@ -50,11 +62,15 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableFor
   protected abstract serverService: ServerService
   protected abstract screenService: ScreenService
   protected abstract router: Router
+  protected abstract i18n: I18n
   abstract titlePage: string
 
   private resizeSubscription: Subscription
   private angularState: number
 
+  private groupedDateLabels: { [id in GroupDate]: string }
+  private groupedDates: { [id: number]: GroupDate } = {}
+
   abstract getVideosObservable (page: number): Observable<{ videos: Video[], totalVideos: number }>
 
   abstract generateSyndicationList (): void
@@ -64,6 +80,15 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableFor
   }
 
   ngOnInit () {
+    this.groupedDateLabels = {
+      [GroupDate.UNKNOWN]: null,
+      [GroupDate.TODAY]: this.i18n('Today'),
+      [GroupDate.YESTERDAY]: this.i18n('Yesterday'),
+      [GroupDate.THIS_WEEK]: this.i18n('This week'),
+      [GroupDate.THIS_MONTH]: this.i18n('This month'),
+      [GroupDate.OLDER]: this.i18n('Older')
+    }
+
     // Subscribe to route changes
     const routeParams = this.route.snapshot.queryParams
     this.loadRouteParams(routeParams)
@@ -113,6 +138,8 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableFor
         this.pagination.totalItems = totalVideos
         this.videos = this.videos.concat(videos)
 
+        if (this.groupByDate) this.buildGroupedDateLabels()
+
         this.onMoreVideos()
       },
 
@@ -134,6 +161,49 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableFor
     this.videos = this.videos.filter(v => v.id !== video.id)
   }
 
+  buildGroupedDateLabels () {
+    let currentGroupedDate: GroupDate = GroupDate.UNKNOWN
+
+    for (const video of this.videos) {
+      const publishedDate = video.publishedAt
+
+      if (currentGroupedDate < GroupDate.TODAY && isToday(publishedDate)) {
+        currentGroupedDate = GroupDate.TODAY
+        this.groupedDates[ video.id ] = currentGroupedDate
+        continue
+      }
+
+      if (currentGroupedDate < GroupDate.YESTERDAY && isYesterday(publishedDate)) {
+        currentGroupedDate = GroupDate.YESTERDAY
+        this.groupedDates[ video.id ] = currentGroupedDate
+        continue
+      }
+
+      if (currentGroupedDate < GroupDate.THIS_WEEK && isThisWeek(publishedDate)) {
+        currentGroupedDate = GroupDate.THIS_WEEK
+        this.groupedDates[ video.id ] = currentGroupedDate
+        continue
+      }
+
+      if (currentGroupedDate < GroupDate.THIS_MONTH && isThisMonth(publishedDate)) {
+        currentGroupedDate = GroupDate.THIS_MONTH
+        this.groupedDates[ video.id ] = currentGroupedDate
+        continue
+      }
+
+      if (currentGroupedDate < GroupDate.OLDER) {
+        currentGroupedDate = GroupDate.OLDER
+        this.groupedDates[ video.id ] = currentGroupedDate
+      }
+    }
+  }
+
+  getCurrentGroupedDateLabel (video: Video) {
+    if (this.groupByDate === false) return undefined
+
+    return this.groupedDateLabels[this.groupedDates[video.id]]
+  }
+
   // On videos hook for children that want to do something
   protected onMoreVideos () { /* empty */ }
 
diff --git a/client/src/app/shared/video/videos-selection.component.ts b/client/src/app/shared/video/videos-selection.component.ts
index 955ebca9f..d69f7b70e 100644
--- a/client/src/app/shared/video/videos-selection.component.ts
+++ b/client/src/app/shared/video/videos-selection.component.ts
@@ -20,6 +20,7 @@ import { Video } from '@app/shared/video/video.model'
 import { PeerTubeTemplateDirective } from '@app/shared/angular/peertube-template.directive'
 import { VideoSortField } from '@app/shared/video/sort-field.type'
 import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
+import { I18n } from '@ngx-translate/i18n-polyfill'
 
 export type SelectionType = { [ id: number ]: boolean }
 
@@ -44,6 +45,7 @@ export class VideosSelectionComponent extends AbstractVideoList implements OnIni
   globalButtonsTemplate: TemplateRef<any>
 
   constructor (
+    protected i18n: I18n,
     protected router: Router,
     protected route: ActivatedRoute,
     protected notifier: Notifier,