Added basic categorization functionality in the server & UI

src/app/settings/settings.component.html

@@ -115,15 +115,38 @@
                         </mat-form-field>
                     </div>
 
-                    <div class="col-12 mt-4">
+                    <div class="col-12 mt-4 mb-5">
                         <mat-form-field class="text-field" style="margin-right: 12px;" color="accent">
                             <textarea matInput [(ngModel)]="new_config['Downloader']['custom_args']" placeholder="Custom args" i18n-placeholder="Custom args input placeholder"></textarea>
                             <mat-hint><ng-container i18n="Custom args setting input hint">Global custom args for downloads on the home page. Args are delimited using two commas like so: ,,</ng-container></mat-hint>
                             <button class="args-edit-button" (click)="openArgsModifierDialog()" mat-icon-button><mat-icon>edit</mat-icon></button>
                         </mat-form-field>
                     </div>
-
-                    <div class="col-12 mt-5">
+                </div>
+            </div>
+            <mat-divider></mat-divider>
+            <div *ngIf="new_config" class="container-fluid">
+                <div class="row">
+                    <div class="col-12 mt-3 mb-2">
+                        <h6 i18n="Categories">Categories</h6>
+                        <div cdkDropList class="category-list" (cdkDropListDropped)="dropCategory($event)">
+                            <div class="category-box" *ngFor="let category of postsService.categories" cdkDrag>
+                                <div class="category-custom-placeholder" *cdkDragPlaceholder></div>
+                                {{category['name']}}
+                                <span style="float: right">
+                                    <button mat-icon-button (click)="openEditCategoryDialog(category)"><mat-icon>edit</mat-icon></button>
+                                    <button mat-icon-button><mat-icon>cancel</mat-icon></button>
+                                </span>
+                            </div>
+                        </div>
+                        <button style="margin-top: 10px;" mat-mini-fab (click)="openAddCategoryDialog()"><mat-icon>add</mat-icon></button>
+                    </div>
+                </div>
+            </div>
+            <mat-divider></mat-divider>
+            <div *ngIf="new_config" class="container-fluid">
+                <div class="row">
+                    <div class="col-12 mt-3">
                         <mat-checkbox color="accent" [(ngModel)]="new_config['Downloader']['use_youtubedl_archive']"><ng-container i18n="Use youtubedl archive setting">Use youtube-dl archive</ng-container></mat-checkbox>
                     </div>
 

src/app/settings/settings.component.scss

@@ -30,4 +30,55 @@
     margin-left: 15px;
     margin-bottom: 12px;
     bottom: 4px;
+}
+
+.category-list {
+    width: 500px;
+    max-width: 100%;
+    border: solid 1px #ccc;
+    min-height: 60px;
+    display: block;
+    // background: white;
+    border-radius: 4px;
+    overflow: hidden;
+}
+
+.category-box {
+    padding: 20px 10px;
+    border-bottom: solid 1px #ccc;
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    justify-content: space-between;
+    box-sizing: border-box;
+    cursor: move;
+    // background: white;
+    font-size: 14px;
+}
+
+.cdk-drag-preview {
+    box-sizing: border-box;
+    border-radius: 4px;
+    box-shadow: 0 5px 5px -3px rgba(0, 0, 0, 0.2),
+                0 8px 10px 1px rgba(0, 0, 0, 0.14),
+                0 3px 14px 2px rgba(0, 0, 0, 0.12);
+}
+
+.cdk-drag-animating {
+    transition: transform 250ms cubic-bezier(0, 0, 0.2, 1);
+}
+
+.category-box:last-child {
+    border: none;
+}
+
+.category-list.cdk-drop-list-dragging .category-box:not(.cdk-drag-placeholder) {
+    transition: transform 250ms cubic-bezier(0, 0, 0.2, 1);
+}
+
+.category-custom-placeholder {
+background: #ccc;
+border: dotted 3px #999;
+min-height: 60px;
+transition: transform 250ms cubic-bezier(0, 0, 0.2, 1);
 }

src/app/settings/settings.component.ts

@@ -9,6 +9,9 @@ import { CURRENT_VERSION } from 'app/consts';
 import { MatCheckboxChange } from '@angular/material/checkbox';
 import { CookiesUploaderDialogComponent } from 'app/dialogs/cookies-uploader-dialog/cookies-uploader-dialog.component';
 import { ConfirmDialogComponent } from 'app/dialogs/confirm-dialog/confirm-dialog.component';
+import { moveItemInArray, CdkDragDrop } from '@angular/cdk/drag-drop';
+import { InputDialogComponent } from 'app/input-dialog/input-dialog.component';
+import { EditCategoryDialogComponent } from 'app/dialogs/edit-category-dialog/edit-category-dialog.component';
 
 @Component({
   selector: 'app-settings',
@@ -77,6 +80,47 @@ export class SettingsComponent implements OnInit {
     })
   }
 
+  dropCategory(event: CdkDragDrop<string[]>) {
+    moveItemInArray(this.postsService.categories, event.previousIndex, event.currentIndex);
+    this.postsService.updateCategories(this.postsService.categories);
+  }
+
+  openAddCategoryDialog() {
+    const done = new EventEmitter<any>();
+    const dialogRef = this.dialog.open(InputDialogComponent, {
+      width: '300px',
+      data: {
+        inputTitle: 'Name the category',
+        inputPlaceholder: 'Name',
+        submitText: 'Add',
+        doneEmitter: done
+      }
+    });
+
+    done.subscribe(name => {
+
+      // Eventually do additional checks on name
+      if (name) {
+        this.postsService.createCategory(name).subscribe(res => {
+          if (res['success']) {
+            this.postsService.reloadCategories();
+            dialogRef.close();
+            const new_category = res['new_category'];
+            this.openEditCategoryDialog(new_category);
+          }
+        });
+      }
+    });
+  }
+
+  openEditCategoryDialog(category) {
+    this.dialog.open(EditCategoryDialogComponent, {
+      data: {
+        category: category
+      }
+    });
+  }
+
   generateAPIKey() {
     this.postsService.generateNewAPIKey().subscribe(res => {
       if (res['new_api_key']) {