diff --git a/src/app/admin/utils/navbar-admin/navbar-admin.component.ts b/src/app/admin/utils/navbar-admin/navbar-admin.component.ts
index dd4f436..5df617a 100644
--- a/src/app/admin/utils/navbar-admin/navbar-admin.component.ts
+++ b/src/app/admin/utils/navbar-admin/navbar-admin.component.ts
@@ -34,7 +34,7 @@ export class NavbarAdminComponent
 
     onDeconnexionCallback(retour: any): void
     {
-        console.log(retour);
+        if(retour.status !== "success") console.log(retour);
     }
 
 }
diff --git a/src/app/advertiser/adList/page-ad-list-advertiser/page-ad-list-advertiser.component.ts b/src/app/advertiser/adList/page-ad-list-advertiser/page-ad-list-advertiser.component.ts
index ca072a5..6adf0ed 100644
--- a/src/app/advertiser/adList/page-ad-list-advertiser/page-ad-list-advertiser.component.ts
+++ b/src/app/advertiser/adList/page-ad-list-advertiser/page-ad-list-advertiser.component.ts
@@ -84,9 +84,12 @@ export class PageAdListAdvertiserComponent implements AfterViewInit
             console.log(retour);
         }
         else {
-            for(let advert of retour.data) this.tabAdvertWithCountViews.push(this.advertToAdvertWithCountViews(advert));
-            this.dataSource = new MatTableDataSource<AdvertWithCountViews>();
-            this.onFilter();
+            if(retour.data.length !== 0)
+            {
+                for(let advert of retour.data) this.tabAdvertWithCountViews.push(this.advertToAdvertWithCountViews(advert));
+                this.dataSource = new MatTableDataSource<AdvertWithCountViews>();
+                this.onFilter();
+            }
         }
     }
 
diff --git a/src/app/advertiser/pages-popularity/pages-popularity.component.html b/src/app/advertiser/pages-popularity/pages-popularity.component.html
index 1f59267..30fbd44 100644
--- a/src/app/advertiser/pages-popularity/pages-popularity.component.html
+++ b/src/app/advertiser/pages-popularity/pages-popularity.component.html
@@ -27,7 +27,7 @@
 
 
         <!-- chart -->
-        <div class="chartContainer">
+        <div *ngIf="isDisplayable" class="chartContainer">
             <canvas baseChart
                     [datasets]="lineChartData"
                     [labels]="lineChartLabels"
diff --git a/src/app/advertiser/pages-popularity/pages-popularity.component.ts b/src/app/advertiser/pages-popularity/pages-popularity.component.ts
index 1f38b9c..29f6811 100644
--- a/src/app/advertiser/pages-popularity/pages-popularity.component.ts
+++ b/src/app/advertiser/pages-popularity/pages-popularity.component.ts
@@ -25,7 +25,7 @@ interface CoupleNameViews {
 })
 export class PagesPopularityComponent implements OnInit
 {
-    formControl: FormControl;
+    formControl: FormControl = new FormControl();
     allCoupleNameViews: CoupleNameViews[] = [];
 
     allInterests: string[] = [];
@@ -48,6 +48,8 @@ export class PagesPopularityComponent implements OnInit
         }
     };
 
+    isDisplayable: boolean = false;
+
 
     constructor( private router: Router,
                  public themeService: ThemeService,
@@ -167,8 +169,8 @@ export class PagesPopularityComponent implements OnInit
         this.lineChartLabels = [];
 
         if(this.step <= 0) this.step = 0;
-        if(this.endDate === null) this.endDate = new Date();
-        if(this.startDate === null) this.startDate = new Date(this.endDate.getTime() - this.oneWeek); // date d'il y a une semaine
+        if((this.endDate === null) || (this.endDate === undefined)) this.endDate = new Date();
+        if((this.startDate === null) || (this.startDate === undefined)) this.startDate = new Date(this.endDate.getTime() - this.oneWeek); // date d'il y a une semaine
 
         const startTime = this.startDate.getTime();
         const endTime = this.endDate.getTime();
@@ -211,6 +213,7 @@ export class PagesPopularityComponent implements OnInit
 
             this.lineChartData.push({"data": data.slice(), "label": label});
         }
+        this.isDisplayable = true;
     }
 
 
@@ -282,9 +285,9 @@ export class PagesPopularityComponent implements OnInit
     {
         let i = 0;
         let n = tabDate.length;
-        let time0 = date0.getTime();
+        let time0 = (new Date(date0)).getTime();
 
-        while((i <n) && (time0 > tabDate[i].getTime())) i++;
+        while((i <n) && (time0 > (new Date(tabDate[i])).getTime())) i++;
         if(i === n) tabDate.push(date0);
         else tabDate.splice(i, 0, date0);
 
diff --git a/src/app/advertiser/utils/navbar-advertiser/navbar-advertiser.component.ts b/src/app/advertiser/utils/navbar-advertiser/navbar-advertiser.component.ts
index 9bd8e1e..7f403db 100644
--- a/src/app/advertiser/utils/navbar-advertiser/navbar-advertiser.component.ts
+++ b/src/app/advertiser/utils/navbar-advertiser/navbar-advertiser.component.ts
@@ -35,7 +35,7 @@ export class NavbarAdvertiserComponent
 
     onDeconnexionCallback(retour: any): void
     {
-        console.log(retour);
+        if(retour.status !== "success") console.log(retour);
     }
 
 }
diff --git a/src/app/user/myPlaylists/video-list/video-list.component.ts b/src/app/user/myPlaylists/video-list/video-list.component.ts
index e2a5eac..504884e 100644
--- a/src/app/user/myPlaylists/video-list/video-list.component.ts
+++ b/src/app/user/myPlaylists/video-list/video-list.component.ts
@@ -3,7 +3,6 @@ import {ThemeService} from "../../../utils/services/theme/theme.service";
 import {AddVideoToPlaylistsService} from "../../utils/services/addVideoToPlaylists/add-video-to-playlists.service";
 import {MessageService} from "../../../utils/services/message/message.service";
 import {MatSnackBar} from "@angular/material/snack-bar";
-import {UserHistoryService} from "../../utils/services/userHistory/userHistory.service";
 import {Router} from "@angular/router";
 import {ProfilService} from "../../../utils/services/profil/profil.service";
 
@@ -24,7 +23,6 @@ export class VideoListComponent implements OnChanges
                  public themeService: ThemeService,
                  private addVideoToPlaylistsService: AddVideoToPlaylistsService,
                  private snackBar: MatSnackBar,
-                 private historiqueService: UserHistoryService,
                  private profilService: ProfilService,
                  private router: Router ) { }
 
diff --git a/src/app/user/search/page-search/page-search.component.ts b/src/app/user/search/page-search/page-search.component.ts
index 362e69f..7d48734 100644
--- a/src/app/user/search/page-search/page-search.component.ts
+++ b/src/app/user/search/page-search/page-search.component.ts
@@ -23,8 +23,8 @@ export class PageSearchComponent implements OnInit
     tabPlateform = TAB_PLATEFORM;
     tabVideo: VideoAll[] = [];
     search: string = "";
-    ad1: any = { title: "", url: "", images: [] };
-    ad2: any = { title: "", url: "", images: [] };
+    ad1: any;
+    ad2: any;
 
 
     constructor( private messageService: MessageService,
@@ -45,8 +45,11 @@ export class PageSearchComponent implements OnInit
 
     adCallback(retour: any): void
     {
-        if(retour !== "success") {
-            console.log(retour);
+        console.log("adCallback retour:");
+        console.log(retour);
+
+        if(retour.status !== "success") {
+            //console.log(retour);
         }
         else {
             this.ad1 = retour.data[0];
diff --git a/src/app/user/search/video-grid/video-grid.component.ts b/src/app/user/search/video-grid/video-grid.component.ts
index 00af085..ce2dfde 100644
--- a/src/app/user/search/video-grid/video-grid.component.ts
+++ b/src/app/user/search/video-grid/video-grid.component.ts
@@ -1,6 +1,5 @@
 import {Component, Input } from '@angular/core';
 import {VideoAll} from "../../../utils/interfaces/video";
-import {UserHistoryService} from "../../utils/services/userHistory/userHistory.service";
 import {AddVideoToPlaylistsService} from "../../utils/services/addVideoToPlaylists/add-video-to-playlists.service";
 import {Router} from "@angular/router";
 import {MessageService} from "../../../utils/services/message/message.service";
@@ -19,8 +18,7 @@ export class VideoGridComponent
     indexPage: number = 0;
 
 
-    constructor( private historiqueService: UserHistoryService,
-                 private addVideoToPlaylistsService: AddVideoToPlaylistsService,
+    constructor( private addVideoToPlaylistsService: AddVideoToPlaylistsService,
                  private router: Router,
                  private messageService: MessageService ) {}
 
diff --git a/src/app/user/utils/components/advert/advert.component.html b/src/app/user/utils/components/advert/advert.component.html
index 39d1334..b1c034a 100644
--- a/src/app/user/utils/components/advert/advert.component.html
+++ b/src/app/user/utils/components/advert/advert.component.html
@@ -1,23 +1,26 @@
-<div *ngIf="from==='search' || from==='myPlaylists'" class="myContainer">
+<div *ngIf="(from==='search' || from==='myPlaylists') && (imageExist)"
+     class="myContainer">
+
     <span class="helper"></span>
-    <img [src]="'assets/pub/'+ad.images[idxImage].url"
-         [alt]="ad.title"
+    <img [src]="image.base64"
+         [alt]="image.description"
          (click)="onClick()"
          id="imgFromSearchOrMyPlaylists">
+
 </div>
 
 <!-- --------------------------------------------------------------------- -->
 
-<img *ngIf="from === 'watchingLeft'"
-     [src]="'assets/pub/'+ad.images[idxImage].url"
-     [alt]="ad.title"
+<img *ngIf="from === 'watchingLeft' && (imageExist)"
+     [src]="image.base64"
+     [alt]="image.description"
      (click)="onClick()"
      id="imgFromWatchingLeft">
 
 <!-- --------------------------------------------------------------------- -->
 
-<img *ngIf="from === 'watchingRight'"
-     [src]="'assets/pub/'+ad.images[idxImage].url"
-     [alt]="ad.title"
+<img *ngIf="from === 'watchingRight' && (imageExist)"
+     [src]="image.base64"
+     [alt]="image.description"
      (click)="onClick()"
      id="imgFromWatchingRight">
diff --git a/src/app/user/utils/components/advert/advert.component.ts b/src/app/user/utils/components/advert/advert.component.ts
index d8c62d9..8008745 100644
--- a/src/app/user/utils/components/advert/advert.component.ts
+++ b/src/app/user/utils/components/advert/advert.component.ts
@@ -1,6 +1,4 @@
-import {Component, Input, OnInit} from '@angular/core';
-import {Advert} from "../../../../utils/interfaces/advert";
-import {Router} from "@angular/router";
+import {Component, Input, OnChanges, SimpleChanges} from '@angular/core';
 
 
 
@@ -9,26 +7,32 @@ import {Router} from "@angular/router";
     templateUrl: './advert.component.html',
     styleUrls: ['./advert.component.scss']
 })
-export class AdvertComponent implements OnInit
+export class AdvertComponent implements OnChanges
 {
     @Input() ad: any;
     @Input() from: string = "search";
-    idxImage: number = 0;
+    image: any;
+    imageExist: boolean = false;
 
-    constructor(private router: Router) { }
 
-    ngOnInit(): void
+    constructor() { }
+
+
+    ngOnChanges(changes: SimpleChanges): void
     {
-        const nbImages = this.ad.images.length;
-        if(nbImages === 0) this.ad.images.push({url: "img pub"});
-        this.idxImage = Math.floor(Math.random() * nbImages);
-
-        if(this.ad.title === "") this.ad.title = "--- pub ---" ;
+        if((this.ad !== null) && (this.ad !== undefined))
+        {
+            const nbImages = this.ad.images.length;
+            const indexImage = Math.floor(Math.random() * nbImages);
+            this.image = this.ad.images[indexImage];
+            this.imageExist = true;
+        }
     }
 
+
     onClick(): void
     {
-        document.location.href = this.ad.url;
+        if(this.ad.url !== "") document.location.href = this.ad.url;
     }
 
 }
diff --git a/src/app/user/utils/components/navbar-user/navbar-user.component.ts b/src/app/user/utils/components/navbar-user/navbar-user.component.ts
index bb2e345..5947c0b 100644
--- a/src/app/user/utils/components/navbar-user/navbar-user.component.ts
+++ b/src/app/user/utils/components/navbar-user/navbar-user.component.ts
@@ -35,7 +35,7 @@ export class NavbarUserComponent
 
     onDeconnexionCallback(retour: any): void
     {
-        console.log(retour);
+        if(retour.status !== "success") console.log(retour);
     }
 
 }
diff --git a/src/app/user/utils/services/userHistory/userHistory.service.spec.ts b/src/app/user/utils/services/userHistory/userHistory.service.spec.ts
deleted file mode 100644
index b7cba8c..0000000
--- a/src/app/user/utils/services/userHistory/userHistory.service.spec.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-import { TestBed } from '@angular/core/testing';
-
-import { UserHistoryService } from './userHistory.service';
-
-describe('HistoriqueService', () => {
-  let service: UserHistoryService;
-
-  beforeEach(() => {
-    TestBed.configureTestingModule({});
-    service = TestBed.inject(UserHistoryService);
-  });
-
-  it('should be created', () => {
-    expect(service).toBeTruthy();
-  });
-});
diff --git a/src/app/user/utils/services/userHistory/userHistory.service.ts b/src/app/user/utils/services/userHistory/userHistory.service.ts
deleted file mode 100644
index 66b0999..0000000
--- a/src/app/user/utils/services/userHistory/userHistory.service.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-import { Injectable } from '@angular/core';
-import {VideoDB} from "../../../../utils/interfaces/video";
-import {MessageService} from "../../../../utils/services/message/message.service";
-
-
-
-@Injectable({
-    providedIn: 'root'
-})
-export class UserHistoryService
-{
-    private tabVideoUrlClicked: string[] = [];
-
-
-    constructor(private messageService: MessageService) { }
-
-
-    public addVideoToHistoque(video: VideoDB): void
-    {
-        if (!this.tabVideoUrlClicked.includes(video.videoId))
-        {
-            this.tabVideoUrlClicked.push(video.videoId);
-            video.watchedDates.push(new Date());
-
-            // --- VRAI CODE ---
-            /*
-            this.messageService
-                .sendMessage("user/add/watchedVideo", {watchedVideo: watchedVideo0})
-                .subscribe(retour => {});
-            */
-        }
-    }
-
-
-    public clearTabVideoUrlClicked()
-    {
-        this.tabVideoUrlClicked = [];
-    }
-
-}
diff --git a/src/app/user/watching/page-watching-video/page-watching-video.component.ts b/src/app/user/watching/page-watching-video/page-watching-video.component.ts
index fd1e2f7..f501d95 100644
--- a/src/app/user/watching/page-watching-video/page-watching-video.component.ts
+++ b/src/app/user/watching/page-watching-video/page-watching-video.component.ts
@@ -38,8 +38,8 @@ export class PageWatchingVideoComponent implements OnInit
         interest: ""
     };
     search: string = "";
-    ad1: any = { title: "", url: "", images: [] };
-    ad2: any = { title: "", url: "", images: [] };
+    ad1: any;
+    ad2: any;
     from: string = "";
 
     playlist: PlaylistDB;