Added file upload UI

frontend/src/app/format-file-size-pipe.pipe.spec.ts

@@ -0,0 +1,8 @@
+import { FormatFileSizePipePipe } from './format-file-size-pipe.pipe';
+
+describe('FormatFileSizePipePipe', () => {
+  it('create an instance', () => {
+    const pipe = new FormatFileSizePipePipe();
+    expect(pipe).toBeTruthy();
+  });
+});

frontend/src/app/format-file-size-pipe.pipe.ts

@@ -0,0 +1,19 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'formatFileSizePipe',
+  standalone: true
+})
+export class FormatFileSizePipePipe implements PipeTransform {
+
+  transform(value: number, ...args: unknown[]): string {
+    if (value === null || value === 0) return '0 Bytes';
+
+    const units = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
+    const index = Math.min(Math.floor(Math.log(value) / Math.log(1024)), units.length - 1);
+    const filesize = Number((value / Math.pow(1024, index)).toFixed(2));
+
+    return `${filesize.toLocaleString()} ${units[index]}`;
+  }
+
+}

frontend/src/app/upload/upload.component.html

@@ -1,34 +1,63 @@
 <div class="container mx-auto p-4 mt-4">
   <h1 class="text-4xl font-bold text-center text-gray-800 mb-10">Upload Your File</h1>
   <div class="bg-white shadow-lg rounded-lg p-6">
-    <div class="flex flex-col items-center justify-center">
+    <div *ngIf="!uploadStarted" class="flex flex-col items-center justify-center">
       <!-- File Drop Area -->
-      <div class="border-2 border-dashed border-gray-300 rounded-lg w-full p-20 flex flex-col items-center justify-center mb-6">
+      <div
+        *ngIf="!fileToUpload && !uploadStarted"
+        (drop)="onDrop($event)"
+        (dragover)="onDragOver($event)"
+        (click)="fileInput.click()"
+        class="border-2 border-dashed border-gray-300 rounded-lg w-full p-20 flex flex-col items-center justify-center mb-6 animate-in fade-in duration-500">
         <img class="w-16 mb-3" src="./assets/cloud-arrow-up-solid.svg">
         <p class="text-gray-700 mb-3">Drag and drop your files here or <span class="text-blue-600 cursor-pointer">browse</span></p>
-        <input type="file" class="hidden" />
+        <input
+          #fileInput
+          (change)="onFileSelected($event)"
+          type="file" class="hidden" />
+      </div>
+      <!-- File Details -->
+      <div
+        *ngIf="fileToUpload && !uploadStarted"
+        class="w-full p-10 flex flex-col items-center justify-center mb-3 animate-in fade-in duration-500">
+        <img class="w-14 mb-3" src="./assets/file-solid.svg">
+        <p class="text-gray-700 mb-3"> {{ fileToUpload.name }} </p>
+        <p class="text-gray-700 mb-3"> {{ fileToUpload.size | formatFileSizePipe }} </p>
       </div>
       <!-- Settings -->
       <div class="w-full mb-10">
         <label class="block text-gray-700 text-l font-bold mb-4">Options</label>
         <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
           <div class="flex items-center">
-            <input type="checkbox" class="toggle" checked />
-            <span class="ml-2 text-gray-700">Store for only one hour</span>
+            <input id="shortStorage" [(ngModel)]="shortStorage" type="checkbox" class="toggle" checked />
+            <label for="shortStorage" class="ml-2 text-gray-700">Store for only one hour</label>
           </div>
           <div class="flex items-center">
-            <input type="checkbox" class="toggle" />
-            <span class="ml-2 text-gray-700">Allow only one download</span>
+            <input id="singleDownload" [(ngModel)]="singleDownload" type="checkbox" class="toggle" />
+            <label for="singleDownload" class="ml-2 text-gray-700">Allow only one download</label>
           </div>
           <div class="flex items-center">
-            <input type="checkbox" class="toggle" />
-            <span class="ml-2 text-gray-700">Protect download with password</span>
+            <input id="passwordProtected" [(ngModel)]="passwordProtected" type="checkbox" class="toggle" />
+            <label for="passwordProtected" class="ml-2 text-gray-700">Protect download with password</label>
           </div>
         </div>
       </div>
       <!-- Upload Button -->
-      <button class="btn btn-primary w-full max-w-xs">Upload Files</button>
+      <button class="btn btn-primary w-full max-w-xs" (click)="startUpload()">Upload File</button>
+    </div>
+    <div *ngIf="uploadStarted && fileToUpload && !uploadFinished" class="flex flex-col items-center justify-center animate-in fade-in duration-500">
+      <div class="radial-progress" [style.--value]="uploadProgress" style="--size:12rem; --thickness: 2rem;" role="progressbar">{{uploadProgress}}%</div>
+      <p class="text-gray-700 mt-4">Uploading {{ fileToUpload.name }}...</p>
+    </div>
+    <div *ngIf="uploadFinished" class="flex flex-col items-center justify-center animate-in fade-in duration-1000">
+      <img class="w-16 mb-3" src="./assets/circle-check-solid.svg">
+      <p class="text-gray-700 mb-3">File uploaded successfully!</p>
+      <button class="btn btn-primary w-full max-w-xs">Upload Another File</button>
     </div>
   </div>
   <p class="text-gray-600 text-center mt-6">Drag and drop files, or click to select the files you want to share.</p>
 </div>
+<!-- Invisible SVGs to prevent lazy loading -->
+<div class="invisible">
+  <img src="./assets/file-solid.svg">
+</div>

frontend/src/app/upload/upload.component.ts

@@ -1,12 +1,78 @@
-import { Component } from '@angular/core';
+import {Component, ElementRef, ViewChild} from '@angular/core';
+import {NgIf} from "@angular/common";
+import {FormatFileSizePipePipe} from "../format-file-size-pipe.pipe";
+import {FormsModule} from "@angular/forms";
 
 @Component({
   selector: 'app-upload',
   standalone: true,
-  imports: [],
+  imports: [
+    NgIf,
+    FormatFileSizePipePipe,
+    FormsModule
+  ],
   templateUrl: './upload.component.html',
   styleUrl: './upload.component.scss'
 })
 export class UploadComponent {
+  @ViewChild('fileInput') fileInput!: ElementRef;
 
+  fileToUpload: File | null = null;
+
+  shortStorage: boolean = false;
+  singleDownload: boolean = false;
+  passwordProtected: boolean = false;
+  password: string = '';
+
+  uploadStarted: boolean = false;
+  uploadProgress = 0;
+  uploadFinished = false;
+
+  /**
+   * Manages the file input click or drag and drop
+   */
+  onFileSelected(event: any): void {
+    const files = event.target.files;
+    if (files && files.length > 0) {
+      this.handleFiles(files);
+    }
+  }
+  onDragOver(event: DragEvent): void {
+    event.preventDefault();
+    event.stopPropagation();
+    // Optionally add visual feedback
+  }
+  onDrop(event: DragEvent): void {
+    event.preventDefault();
+    event.stopPropagation();
+    const files = event.dataTransfer?.files;
+    if (files && files.length > 0) {
+      this.handleFiles(files);
+    }
+    // Remove visual feedback
+  }
+  handleFiles(files: FileList): void {
+    for(let i = 0; i < files.length; i++) {
+      const file = files[i];
+      this.fileToUpload = file;
+    }
+  }
+
+  startUpload(): void {
+    if (this.fileToUpload) {
+      console.log(`Uploading file: ${this.fileToUpload.name}, Short storage: ${this.shortStorage}, Single download: ${this.singleDownload}, Password protected: ${this.passwordProtected}`);
+      this.uploadStarted = true;
+
+
+      const interval = setInterval(() => {
+        if (this.uploadProgress < 100) {
+          this.uploadProgress++;
+        } else {
+          clearInterval(interval); // Stop the interval when progress reaches 100%
+          this.uploadFinished = true;
+        }
+      }, 10);
+
+    }
+  }
 }

frontend/src/assets/circle-check-solid.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--!Font Awesome Free 6.5.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path fill="#2b3440" d="M256 512A256 256 0 1 0 256 0a256 256 0 1 0 0 512zM369 209L241 337c-9.4 9.4-24.6 9.4-33.9 0l-64-64c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0l47 47L335 175c9.4-9.4 24.6-9.4 33.9 0s9.4 24.6 0 33.9z"/></svg>

frontend/src/assets/file-solid.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512"><!--!Font Awesome Free 6.5.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path fill="#2b3440" d="M0 64C0 28.7 28.7 0 64 0H224V128c0 17.7 14.3 32 32 32H384V448c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V64zm384 64H256V0L384 128z"/></svg>