From 1735026c201591c4192317f3a5371c8548f8fa1c Mon Sep 17 00:00:00 2001
From: 4gray <dev@artslab.info>
Date: Wed, 6 Nov 2019 22:14:40 +0100
Subject: [PATCH] feat: list with recent playlists

---
 src/app/app.module.ts                         | 10 ++--
 .../playlist-uploader.component.css           | 16 ++++++
 .../playlist-uploader.component.html          | 51 +++++++++----------
 .../playlist-uploader.component.ts            | 46 +++++++++++++++--
 .../recent-playlists.component.html           |  3 ++
 .../recent-playlists.component.scss           |  3 ++
 .../recent-playlists.component.ts             | 18 +++++++
 src/app/services/m3u-service.service.ts       |  9 ++++
 8 files changed, 122 insertions(+), 34 deletions(-)
 create mode 100644 src/app/components/recent-playlists/recent-playlists.component.html
 create mode 100644 src/app/components/recent-playlists/recent-playlists.component.scss
 create mode 100644 src/app/components/recent-playlists/recent-playlists.component.ts

diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 6b8bed5fb..aa36e46ca 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -13,13 +13,15 @@ import { NgxUploaderModule } from 'ngx-uploader';
 import { PlaylistUploaderComponent } from './components/playlist-uploader/playlist-uploader.component';
 import { VideoPlayerComponent } from './components/video-player/video-player.component';
 import { MaterialModule } from './material.module';
+import { RecentPlaylistsComponent } from './components/recent-playlists/recent-playlists.component';
 
 @NgModule({
     declarations: [
         AppComponent,
         ChannelListContainerComponent,
         PlaylistUploaderComponent,
-        VideoPlayerComponent
+        VideoPlayerComponent,
+        RecentPlaylistsComponent,
     ],
     imports: [
         AppRoutingModule,
@@ -30,10 +32,10 @@ import { MaterialModule } from './material.module';
         MaterialModule,
         NgxUploaderModule,
         ServiceWorkerModule.register('ngsw-worker.js', {
-            enabled: environment.production
-        })
+            enabled: environment.production,
+        }),
     ],
     providers: [],
-    bootstrap: [AppComponent]
+    bootstrap: [AppComponent],
 })
 export class AppModule {}
diff --git a/src/app/components/playlist-uploader/playlist-uploader.component.css b/src/app/components/playlist-uploader/playlist-uploader.component.css
index e69de29bb..16211734f 100644
--- a/src/app/components/playlist-uploader/playlist-uploader.component.css
+++ b/src/app/components/playlist-uploader/playlist-uploader.component.css
@@ -0,0 +1,16 @@
+.drop-container {
+    /*width: 400px;*/
+    height: 100px;
+    border: 1px dashed #ccc;
+    border-radius: 10px;
+    margin: 0 auto;
+    padding: 10px;
+    text-align: center;
+    color: #666;
+}
+
+input {
+    border-radius: 4px;
+    border: 1px solid #ccc;
+    padding: 5px;
+}
diff --git a/src/app/components/playlist-uploader/playlist-uploader.component.html b/src/app/components/playlist-uploader/playlist-uploader.component.html
index 123128e24..3bc83126b 100644
--- a/src/app/components/playlist-uploader/playlist-uploader.component.html
+++ b/src/app/components/playlist-uploader/playlist-uploader.component.html
@@ -1,26 +1,25 @@
-<div
-    class="drop-container"
-    ngFileDrop
-    [options]="options"
-    (uploadOutput)="onUploadOutput($event)"
-    [uploadInput]="uploadInput">
-    <p>
-        Drag files here or
-        <label class="upload-button">
-            <input
-                type="file"
-                ngFileSelect
-                [options]="options"
-                (uploadOutput)="onUploadOutput($event)"
-                [uploadInput]="uploadInput"
-                multiple>
-            browse
-        </label>
-        to upload.
-    </p>
-
-    <!-- <h3>Recent playlists:</h3>
-    TODO
-    <h3>Insert playlist by URL:</h3>
-    TODO -->
-</div>
+<mat-card>
+    <mat-card-subtitle>Add playlist</mat-card-subtitle>
+    <div class="drop-container" ngFileDrop [options]="options" (uploadOutput)="onUploadOutput($event)"
+        [uploadInput]="uploadInput">
+        <p>
+            Drag files here or
+            <label class="upload-button">
+                <input type="file" ngFileSelect [options]="options" (uploadOutput)="onUploadOutput($event)"
+                    [uploadInput]="uploadInput" multiple>
+                browse
+            </label>
+            to upload.
+        </p>
+    </div>
+</mat-card>
+<br>
+<ng-container *ngIf="(playlists | keyvalue)?.length > 0">
+    <mat-card>
+        <mat-card-subtitle>Recent playlists</mat-card-subtitle>
+        <mat-card-content>
+            <app-recent-playlists [playlists]="playlists" (playlistClicked)="setPlaylist($event)">
+            </app-recent-playlists>
+        </mat-card-content>
+    </mat-card>
+</ng-container>
\ No newline at end of file
diff --git a/src/app/components/playlist-uploader/playlist-uploader.component.ts b/src/app/components/playlist-uploader/playlist-uploader.component.ts
index 6ad432a10..a51a77e8d 100644
--- a/src/app/components/playlist-uploader/playlist-uploader.component.ts
+++ b/src/app/components/playlist-uploader/playlist-uploader.component.ts
@@ -22,6 +22,7 @@ export class PlaylistUploaderComponent {
     humanizeBytes: Function;
     dragOver: boolean;
     options: UploaderOptions;
+    playlists: any;
 
     /**
      * Creates an instanceof PlaylistUploaderComponent
@@ -34,6 +35,8 @@ export class PlaylistUploaderComponent {
         private m3uService: M3uService,
         private router: Router
     ) {
+        this.getPlaylists();
+
         this.options = {
             concurrency: 1,
             maxUploads: 1,
@@ -59,11 +62,12 @@ export class PlaylistUploaderComponent {
                     const playlist = this.m3uService.convertArrayToPlaylist(
                         array
                     );
+                    this.savePlaylist(
+                        this.files[0].name,
+                        JSON.stringify(playlist)
+                    );
 
-                    playlist.segments.forEach(element => {
-                        this.channelStore.add(createChannel(element));
-                        this.navigateToPlayer();
-                    });
+                    this.setPlaylist(playlist);
                 };
                 fileReader.readAsText(this.files[0].nativeFile);
             }
@@ -106,4 +110,38 @@ export class PlaylistUploaderComponent {
     navigateToPlayer(): void {
         this.router.navigateByUrl('/iptv', { skipLocationChange: true });
     }
+
+    /**
+     * Saves playlist to the localStorage
+     * @param name name of the playlist
+     * @param playlist playlist to save
+     */
+    savePlaylist(name: string, playlist: any): void {
+        localStorage.setItem(name, playlist);
+    }
+
+    /**
+     * Reads all saved playlists from the localStorage
+     */
+    getPlaylists(): void {
+        this.playlists = { ...localStorage };
+
+        this.playlists = Object.keys(this.playlists)
+            .filter(key => key.includes('.m3u'))
+            .reduce((obj, key) => {
+                obj[key] = JSON.parse(this.playlists[key]);
+                return obj;
+            }, {});
+    }
+
+    /**
+     * Sets the given playlist as active for the current session
+     * @param playlist m3u playlist
+     */
+    setPlaylist(playlist: any): void {
+        playlist.segments.forEach(element => {
+            this.channelStore.add(createChannel(element));
+            this.navigateToPlayer();
+        });
+    }
 }
diff --git a/src/app/components/recent-playlists/recent-playlists.component.html b/src/app/components/recent-playlists/recent-playlists.component.html
new file mode 100644
index 000000000..396a34e29
--- /dev/null
+++ b/src/app/components/recent-playlists/recent-playlists.component.html
@@ -0,0 +1,3 @@
+<button *ngFor="let playlist of playlists | keyvalue" mat-stroked-button (click)="playlistClicked.emit(playlist.value)">
+    {{playlist.key}}
+</button>
\ No newline at end of file
diff --git a/src/app/components/recent-playlists/recent-playlists.component.scss b/src/app/components/recent-playlists/recent-playlists.component.scss
new file mode 100644
index 000000000..88254dbbc
--- /dev/null
+++ b/src/app/components/recent-playlists/recent-playlists.component.scss
@@ -0,0 +1,3 @@
+button {
+    margin: 5px;
+}
diff --git a/src/app/components/recent-playlists/recent-playlists.component.ts b/src/app/components/recent-playlists/recent-playlists.component.ts
new file mode 100644
index 000000000..fdee9f98a
--- /dev/null
+++ b/src/app/components/recent-playlists/recent-playlists.component.ts
@@ -0,0 +1,18 @@
+import { Component, Input, Output, EventEmitter } from '@angular/core';
+
+@Component({
+    selector: 'app-recent-playlists',
+    templateUrl: './recent-playlists.component.html',
+    styleUrls: ['./recent-playlists.component.scss'],
+})
+export class RecentPlaylistsComponent {
+    /**
+     * Playlist object
+     */
+    @Input() playlists: any;
+
+    /**
+     * Emits on playlist click
+     */
+    @Output() playlistClicked: EventEmitter<any> = new EventEmitter();
+}
diff --git a/src/app/services/m3u-service.service.ts b/src/app/services/m3u-service.service.ts
index 6b03d7928..59f3a4537 100644
--- a/src/app/services/m3u-service.service.ts
+++ b/src/app/services/m3u-service.service.ts
@@ -18,4 +18,13 @@ export class M3uService {
         this.m3u8FileParser.read(m3uArray.join('\n'));
         return this.m3u8FileParser.getResult();
     }
+
+    /**
+     * Converts string to playlist structure
+     * @param m3uString playlist as string
+     */
+    convertStringToPlaylist(m3uString: string): any {
+        this.m3u8FileParser.read(m3uString);
+        return this.m3u8FileParser.getResult();
+    }
 }