Added support for modifying downloaded files

backend/app.js

@@ -48,6 +48,125 @@ app.get('/using-encryption', function(req, res) {
     res.end("yes");
 });
 
+// objects
+
+function File(id, title, thumbnailURL, isAudio, duration) {
+    this.id = id;
+    this.title = title;
+    this.thumbnailURL = thumbnailURL;
+    this.isAudio = isAudio;
+    this.duration = duration;
+}
+
+// actual functions
+
+function getThumbnailMp3(name)
+{
+    var obj = getJSONMp3(name);
+    var thumbnailLink = obj.thumbnail;
+    return thumbnailLink;
+}
+
+function getThumbnailMp4(name)
+{
+    var obj = getJSONMp4(name);
+    var thumbnailLink = obj.thumbnail;
+    return thumbnailLink;
+}
+
+function getFileSizeMp3(name)
+{
+    var jsonPath = audioPath+name+".mp3.info.json";
+
+    if (fs.existsSync(jsonPath))
+        var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
+    else
+        var obj = 0;
+    
+    return obj.filesize;
+}
+
+function getFileSizeMp4(name)
+{
+    var jsonPath = videoPath+name+".info.json";
+    var filesize = 0;
+    if (fs.existsSync(jsonPath))
+    {
+        var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
+        var format = obj.format.substring(0,3);
+        for (i = 0; i < obj.formats.length; i++)
+        {
+            if (obj.formats[i].format_id == format)
+            {
+                filesize = obj.formats[i].filesize;
+            }
+        }
+    }
+    
+    return filesize;
+}
+
+function getJSONMp3(name)
+{
+    var jsonPath = audioPath+name+".mp3.info.json";
+    if (fs.existsSync(jsonPath))
+    var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
+    else
+        var obj = 0;
+    
+    return obj;
+}
+
+function getJSONMp4(name)
+{
+    var jsonPath = videoPath+name+".info.json";
+    if (fs.existsSync(jsonPath))
+    {
+        var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
+        return obj;
+    }
+    else return 0;
+}
+
+function getAmountDownloadedMp3(name)
+{
+    var partPath = audioPath+name+".mp3.part";
+    if (fs.existsSync(partPath))
+    {
+        const stats = fs.statSync(partPath);
+        const fileSizeInBytes = stats.size;
+        return fileSizeInBytes;
+    }
+    else
+        return 0;
+}
+
+
+
+function getAmountDownloadedMp4(name)
+{
+    var format = getVideoFormatID(name);
+    var partPath = videoPath+name+".f"+format+".mp4.part";
+    if (fs.existsSync(partPath))
+    {
+        const stats = fs.statSync(partPath);
+        const fileSizeInBytes = stats.size;
+        return fileSizeInBytes;
+    }
+    else
+        return 0;
+}
+
+function getVideoFormatID(name)
+{
+    var jsonPath = videoPath+name+".info.json";
+    if (fs.existsSync(jsonPath))
+    {
+        var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
+        var format = obj.format.substring(0,3);
+        return format;
+    }
+}
 
 app.post('/tomp3', function(req, res) {
     var url = req.body.url;
@@ -81,76 +200,6 @@ app.post('/tomp3', function(req, res) {
     res.end("yes");
 });
 
-function getFileSizeMp3(name)
-{
-    var jsonPath = audioPath+name+".mp3.info.json";
-
-    if (fs.existsSync(jsonPath))
-        var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
-    else
-        var obj = 0;
-    
-    return obj.filesize;
-}
-
-function getAmountDownloadedMp3(name)
-{
-    var partPath = audioPath+name+".mp3.part";
-    if (fs.existsSync(partPath))
-    {
-        const stats = fs.statSync(partPath);
-        const fileSizeInBytes = stats.size;
-        return fileSizeInBytes;
-    }
-    else
-        return 0;
-}
-
-function getFileSizeMp4(name)
-{
-    var jsonPath = videoPath+name+".info.json";
-    var filesize = 0;
-    if (fs.existsSync(jsonPath))
-    {
-        var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
-        var format = obj.format.substring(0,3);
-        for (i = 0; i < obj.formats.length; i++)
-        {
-            if (obj.formats[i].format_id == format)
-            {
-                filesize = obj.formats[i].filesize;
-            }
-        }
-    }
-    
-    return filesize;
-}
-
-function getAmountDownloadedMp4(name)
-{
-    var format = getVideoFormatID(name);
-    var partPath = videoPath+name+".f"+format+".mp4.part";
-    if (fs.existsSync(partPath))
-    {
-        const stats = fs.statSync(partPath);
-        const fileSizeInBytes = stats.size;
-        return fileSizeInBytes;
-    }
-    else
-        return 0;
-}
-
-function getVideoFormatID(name)
-{
-    var jsonPath = videoPath+name+".info.json";
-    if (fs.existsSync(jsonPath))
-    {
-        var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
-        var format = obj.format.substring(0,3);
-        return format;
-    }
-}
-
 app.post('/tomp4', function(req, res) {
     var url = req.body.url;
     var date = Date.now();
@@ -168,7 +217,8 @@ app.post('/tomp4', function(req, res) {
     res.end("yes");
 });
 
-app.post('/mp3fileexists', function(req, res) {
+// gets the status of the mp3 file that's being downloaded
+app.post('/fileStatusMp3', function(req, res) {
     var name = req.body.name + "";
     var exists = "";
     var fullpath = audioPath + name + ".mp3";
@@ -189,7 +239,8 @@ app.post('/mp3fileexists', function(req, res) {
     res.end("yes");
 });
 
-app.post('/mp4fileexists', function(req, res) {
+// gets the status of the mp4 file that's being downloaded
+app.post('/fileStatusMp4', function(req, res) {
     var name = req.body.name;
     var exists = "";
     var fullpath = videoPath + name + ".mp4";
@@ -210,6 +261,113 @@ app.post('/mp4fileexists', function(req, res) {
     res.end("yes");
 });
 
+// gets all download mp3s
+app.post('/getMp3s', function(req, res) {
+    var mp3s = [];
+    var fullpath = audioPath;
+    var files = fs.readdirSync(audioPath);
+    
+    for (var i in files)
+    {
+        var nameLength = path.basename(files[i]).length;
+        var ext = path.basename(files[i]).substring(nameLength-4, nameLength);
+        if (ext == ".mp3") 
+        {
+            var jsonobj = getJSONMp3(path.basename(files[i]).substring(0, path.basename(files[i]).length-4));
+            var id = path.basename(files[i]).substring(0, path.basename(files[i]).length-4);
+            var title = jsonobj.title;
+
+            if (title.length > 14) // edits title if it's too long
+            {
+                title = title.substring(0,12) + "...";
+            }
+
+            var thumbnail = jsonobj.thumbnail;
+            var duration = jsonobj.duration;
+            var isaudio = true;
+            var file = new File(id, title, thumbnail, isaudio, duration);
+            mp3s.push(file);
+        }
+    }
+
+    res.send(mp3s);
+    res.end("yes");
+});
+
+// gets all download mp4s
+app.post('/getMp4s', function(req, res) {
+    var mp4s = [];
+    var fullpath = videoPath;
+    var files = fs.readdirSync(videoPath);
+    
+    for (var i in files)
+    {
+        var nameLength = path.basename(files[i]).length;
+        var ext = path.basename(files[i]).substring(nameLength-4, nameLength);
+        if (ext == ".mp4") 
+        {
+            var jsonobj = getJSONMp4(path.basename(files[i]).substring(0, path.basename(files[i]).length-4));
+            var id = path.basename(files[i]).substring(0, path.basename(files[i]).length-4);
+            var title = jsonobj.title;
+
+            if (title.length > 14) // edits title if it's too long
+            {
+                title = title.substring(0,12) + "...";
+            }
+
+            var thumbnail = jsonobj.thumbnail;
+            var duration = jsonobj.duration;
+            var isaudio = false;
+            var file = new File(id, title, thumbnail, isaudio, duration);
+            mp4s.push(file);
+        }
+    }
+
+    res.send(mp4s);
+    res.end("yes");
+});
+
+// deletes mp3 file
+app.post('/deleteMp3', function(req, res) {
+    var name = req.body.name;
+    var fullpath = audioPath + name + ".mp3";
+    var wasDeleted = false;
+    if (fs.existsSync(fullpath))
+    {
+        fs.unlink(fullpath);
+        wasDeleted = true;
+        res.send(wasDeleted);
+        res.end("yes");
+    }
+    else
+    {
+        wasDeleted = false;
+        res.send(wasDeleted);
+        res.end("yes");
+    }
+});
+
+// deletes mp4 file
+app.post('/deleteMp4', function(req, res) {
+    var name = req.body.name;
+    var fullpath = videoPath + name + ".mp4";
+    var wasDeleted = false;
+    if (fs.existsSync(fullpath))
+    {
+        fs.unlink(fullpath);
+        wasDeleted = true;
+        res.send(wasDeleted);
+        res.end("yes");
+    }
+    else
+    {
+        wasDeleted = false;
+        res.send(wasDeleted);
+        res.end("yes");
+    }
+});
+
+
 app.get('/video/:id', function(req , res){
     var head;
     const path = "video/" + req.params.id + ".mp4";

src/app/app.component.html

@@ -1,14 +1,14 @@
 <mat-toolbar color="primary" class="top">
-        <table width="100%" height="100%">
+    <table width="100%" height="100%">
-            <td class="topbar" style="text-align: left; left:0px; font-size: 15px">
+        <td class="topbar" style="text-align: left; left:0px; font-size: 15px">
-            </td>
+        </td>
-            <td class="topbar" style="text-align: center">
+        <td class="topbar" style="text-align: center">
-                <div style="margin-top: 14px">{{topBarTitle}}</div>
+            <div style="margin-top: 14px">{{topBarTitle}}</div>
-            </td>
+        </td>
-            <td class="topbar" style="text-align: right">
+        <td class="topbar" style="text-align: right">
-    
+
-            </td>
+        </td>
-        </table>
+    </table>
 </mat-toolbar>
 
 <br/>
@@ -27,19 +27,66 @@
             </form>
             <br/>
             <mat-checkbox [(ngModel)]="audioOnly" style="float: left; margin-top: -12px">Only Audio</mat-checkbox>
-            <button style="float: right; margin-top: -16px" (click)="downloadClicked()" [disabled]="downloadingfile" type="submit" mat-raised-button color="primary">Download</button>
+            <button style="float: right; margin-top: -16px" (click)="downloadClicked()" [disabled]="downloadingfile" type="submit" mat-raised-button
+                color="primary">Download</button>
         </mat-card-content>
     </div>
 </mat-card>
 <br/>
 <div class="centered big" id="bar_div" *ngIf="downloadingfile;else nofile">
-        <div *ngIf="determinateProgress;else indeterminateprogress">
+    <div *ngIf="determinateProgress;else indeterminateprogress">
-                <mat-progress-bar mode="determinate" value="{{percentDownloaded}}"></mat-progress-bar>
+        <mat-progress-bar mode="determinate" value="{{percentDownloaded}}"></mat-progress-bar>
-        </div>
+    </div>
-        <ng-template #indeterminateprogress>
+    <ng-template #indeterminateprogress>
-                <mat-progress-bar mode="indeterminate"></mat-progress-bar>
+        <mat-progress-bar mode="indeterminate"></mat-progress-bar>
-        </ng-template>
+    </ng-template>
+    <br/>
 </div>
 <ng-template #nofile>
 
 </ng-template>
+<mat-accordion>
+    <mat-expansion-panel class="big">
+        <mat-expansion-panel-header>
+            <mat-panel-title>
+                Audio
+            </mat-panel-title>
+            <mat-panel-description>
+                Your audio files are here
+            </mat-panel-description>
+        </mat-expansion-panel-header>
+        <div *ngIf="mp3s.length > 0;else nomp3s">
+            <mat-grid-list cols="4" rowHeight="150px">
+                <mat-grid-tile *ngFor="let file of mp3s; index as i;">
+                    <app-file-card [title]="file.title" [name]="file.id" [thumbnailURL]="file.thumbnailURL" [length]="file.duration" [isAudio]="true"></app-file-card>
+                </mat-grid-tile>
+            </mat-grid-list>
+        </div>
+
+    </mat-expansion-panel>
+    <mat-expansion-panel class="big">
+        <mat-expansion-panel-header>
+            <mat-panel-title>
+                Video
+            </mat-panel-title>
+            <mat-panel-description>
+                Your video files are here
+            </mat-panel-description>
+        </mat-expansion-panel-header>
+        <div *ngIf="mp4s.length > 0;else nomp4s">
+            <mat-grid-list cols="4" rowHeight="150px">
+                <mat-grid-tile *ngFor="let file of mp4s; index as i;">
+                    <app-file-card [title]="file.title" [name]="file.id" [thumbnailURL]="file.thumbnailURL" [length]="file.duration" [isAudio]="false"></app-file-card>
+                </mat-grid-tile>
+            </mat-grid-list>
+        </div>
+    </mat-expansion-panel>
+</mat-accordion>
+
+<ng-template #nomp3s>
+
+</ng-template>
+
+<ng-template #nomp4s>
+
+</ng-template>

src/app/app.component.ts

@@ -1,5 +1,6 @@
 import { Component, OnInit } from '@angular/core';
 import {PostsService} from './posts.services';
+import {FileCardComponent} from './file-card/file-card.component';
 import { Observable } from 'rxjs/Observable';
 import {FormControl, Validators} from '@angular/forms';
 import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
@@ -23,6 +24,10 @@ export class AppComponent {
   exists: string = "";
   topBarTitle: string = "Youtube Downloader";
   percentDownloaded: number;
+
+  mp3s: any[] = [];
+  mp4s: any[] = [];
+
   constructor(private postsService: PostsService, public snackBar: MatSnackBar) { 
     this.audioOnly = true;
 
@@ -35,10 +40,14 @@ export class AppComponent {
       this.postsService.path = backendUrl;
       this.postsService.startPath = backendUrl;
       this.postsService.startPathSSL = backendUrl;
+
+      this.getMp3s();
+      this.getMp4s();
     },
     error => {
       console.log(error);
     });
+
   }
 
   urlForm = new FormControl('', [Validators.required]);
@@ -67,6 +76,48 @@ export class AppComponent {
     });
   }
 
+  getMp3s() {
+    this.postsService.getMp3s().subscribe(result => {
+      var mp3s = result;
+      this.mp3s = mp3s;
+    },
+    error => {
+      console.log(error);
+    });
+  }
+
+  getMp4s() {
+    this.postsService.getMp4s().subscribe(result => {
+      var mp4s = result;
+      this.mp4s = mp4s;
+    },
+    error => {
+      console.log(error);
+    });
+  }
+
+  public removeFromMp3(name: string)
+  {
+    for (var i = 0; i < this.mp3s.length; i++)
+    {
+      if (this.mp3s[i].id == name)
+      {
+        this.mp3s.splice(i,1);
+      }
+    }
+  }
+
+  public removeFromMp4(name: string)
+  {
+    for (var i = 0; i < this.mp4s.length; i++)
+    {
+      if (this.mp4s[i].id == name)
+      {
+        this.mp4s.splice(i,1);
+      }
+    }
+  }
+
   ngOnInit() {
   }
 
@@ -167,7 +218,7 @@ export class AppComponent {
     return re.test(str);
   }
 
-  openSnackBar(message: string, action: string) {
+  public openSnackBar(message: string, action: string) {
     this.snackBar.open(message, action, {
       duration: 2000,
     });

src/app/app.module.ts

@@ -1,8 +1,9 @@
 import { BrowserModule } from '@angular/platform-browser';
 import { NgModule } from '@angular/core';
 import {MatNativeDateModule, MatRadioModule, MatInputModule, MatButtonModule, MatSidenavModule, MatIconModule, MatListModule,
-  MatSnackBarModule, MatCardModule, MatSelectModule, MatToolbarModule, MatCheckboxModule,
+  MatSnackBarModule, MatCardModule, MatSelectModule, MatToolbarModule, MatCheckboxModule, MatGridListModule,
-  MatProgressBarModule  } from '@angular/material';
+  MatProgressBarModule, MatExpansionModule,
+  MatGridList} from '@angular/material';
   import {FormsModule, ReactiveFormsModule} from '@angular/forms';
 import { AppComponent } from './app.component';
 import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
@@ -10,10 +11,12 @@ import { HttpModule } from '@angular/http';
 import { HttpClientModule } from '@angular/common/http';
 import { PostsService } from 'app/posts.services';
 import {APP_BASE_HREF} from '@angular/common';
+import { FileCardComponent } from './file-card/file-card.component';
 
 @NgModule({
   declarations: [
-    AppComponent
+    AppComponent,
+    FileCardComponent
   ],
   imports: [
     BrowserModule,
@@ -34,6 +37,8 @@ import {APP_BASE_HREF} from '@angular/common';
     MatSidenavModule,
     MatIconModule,
     MatListModule,
+    MatGridListModule,
+    MatExpansionModule,
     MatProgressBarModule
   ],
   providers: [PostsService],

src/app/file-card/file-card.component.css

@@ -0,0 +1,33 @@
+.example-card {
+  width: 150px;
+  height: 125px;
+  padding: 0px;
+}
+
+.deleteButton {
+  top:-5px;
+  right:-5px;
+  position:absolute;
+}
+
+/* Coerce the <span> icon container away from display:inline */
+.mat-icon-button .mat-button-wrapper {
+  display: flex;
+  justify-content: center;
+}
+
+.image {
+  max-width:100%;
+  max-height:100%;
+}
+
+.example-full-width-height {
+  width: 100%;
+  height: 100%
+}
+
+.centered {
+  margin: 0 auto;
+  top: 50%;
+  left: 50%;
+}

src/app/file-card/file-card.component.html

@@ -0,0 +1,13 @@
+<mat-card class="example-card">
+  <button (click)="deleteFile()" class="deleteButton" mat-icon-button><mat-icon>delete_forever</mat-icon></button>
+  <div style="padding:5px">
+    <b>{{title}}</b>
+    <br/>
+    ID: {{name}}
+</div>
+    
+
+  
+  <div class="centered example-full-width-height"><img class="image" src="{{thumbnailURL}}" alt="Thumbnail"></div>
+
+</mat-card>

src/app/file-card/file-card.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FileCardComponent } from './file-card.component';
+
+describe('FileCardComponent', () => {
+  let component: FileCardComponent;
+  let fixture: ComponentFixture<FileCardComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ FileCardComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FileCardComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/file-card/file-card.component.ts

@@ -0,0 +1,48 @@
+import { Component, OnInit, Input } from '@angular/core';
+import {PostsService} from '../posts.services';
+import {MatSnackBar} from '@angular/material';
+import {AppComponent} from '../app.component';
+
+@Component({
+  selector: 'app-file-card',
+  templateUrl: './file-card.component.html',
+  styleUrls: ['./file-card.component.css']
+})
+export class FileCardComponent implements OnInit {
+
+  @Input() title:string;
+  @Input() length:string;
+  @Input() name:string;
+  @Input() thumbnailURL: string;
+  @Input() isAudio: boolean = true;
+
+  constructor(private postsService: PostsService, public snackBar: MatSnackBar, private appComponent: AppComponent) { }
+
+  ngOnInit() {
+  }
+
+  deleteFile()
+  {
+    this.postsService.deleteFile(this.name, this.isAudio).subscribe(result => {
+      if (result == true)
+      {
+        this.openSnackBar("Delete success!", "OK.");
+        if (this.isAudio)
+          this.appComponent.removeFromMp3(name);
+        else
+          this.appComponent.removeFromMp4(name);
+      }
+      else
+      {
+        this.openSnackBar("Delete failed!", "OK.");
+      }
+    });
+  }
+
+  public openSnackBar(message: string, action: string) {
+    this.snackBar.open(message, action, {
+      duration: 2000,
+    });
+  }
+
+}

src/app/posts.services.ts

@@ -56,12 +56,12 @@ export class PostsService {
     }
 
     getFileStatusMp3(name: string): Observable<any> {
-        return this.http.post(this.path + "mp3fileexists",{name: name})
+        return this.http.post(this.path + "fileStatusMp3",{name: name})
             .map(res => res.json());
     }
 
     getFileStatusMp4(name: string): Observable<any> {
-        return this.http.post(this.path + "mp4fileexists",{name: name})
+        return this.http.post(this.path + "fileStatusMp4",{name: name})
             .map(res => res.json());
     }
 
@@ -70,6 +70,32 @@ export class PostsService {
         return this.http.get(window.location.href + "backend/config/default.json")
                         .map(res => res.json());
     }
+
+    deleteFile(name: string, isAudio: boolean)
+    {
+        if (isAudio)
+        {
+            return this.http.post(this.path + "deleteMp3",{name: name})
+                .map(res => res.json());
+        }
+        else
+        {
+            return this.http.post(this.path + "deleteMp4",{name: name})
+                .map(res => res.json());
+        }
+    }
+
+    getMp3s()
+    {
+        return this.http.post(this.path + "getMp3s", {})
+            .map(res => res.json());
+    }
+
+    getMp4s()
+    {
+        return this.http.post(this.path + "getMp4s", {})
+            .map(res => res.json());
+    }
 }