Forgot to include dcc-attachment-upload component

src/app/components/dcc/dcc-attachment-upload/dcc-attachment-upload.component.html

+<!--
+  Copyright 2025 Physikalisch-Technische Bundesanstalt
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+  1. Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+
+  2. Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+  3. Neither the name of the copyright holder nor the names of its contributors
+  may be used to endorse or promote products derived from this software without
+  specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND
+  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+  OF THE POSSIBILITY OF SUCH DAMAGE.
+-->
+<input #fileUpload (change)="onChange($event)" class="file-input" type="file" />
+<button (click)="fileUpload.click()" mat-icon-button matTooltip="'dcc.uploadFile' | translate" type="button">
+  <mat-icon>attach_file</mat-icon>
+</button>
+

src/app/components/dcc/dcc-attachment-upload/dcc-attachment-upload.component.scss

+/**
+*  Copyright 2025 Physikalisch-Technische Bundesanstalt
+*
+*  Redistribution and use in source and binary forms, with or without
+*  modification, are permitted provided that the following conditions are met:
+*
+*  1. Redistributions of source code must retain the above copyright notice,
+*  this list of conditions and the following disclaimer.
+*
+*  2. Redistributions in binary form must reproduce the above copyright notice,
+*  this list of conditions and the following disclaimer in the documentation
+*  and/or other materials provided with the distribution.
+*
+*  3. Neither the name of the copyright holder nor the names of its contributors
+*  may be used to endorse or promote products derived from this software without
+*  specific prior written permission.
+*
+*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND
+*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+*  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+*  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+*  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+*  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+*  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+*  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+*  OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*/
+.file-input {
+  display: none;
+}

src/app/components/dcc/dcc-attachment-upload/dcc-attachment-upload.component.spec.ts

+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { DccAttachmentUploadComponent } from './dcc-attachment-upload.component';
+
+describe('DccAttachmentUploadComponent', () => {
+  let component: DccAttachmentUploadComponent;
+  let fixture: ComponentFixture<DccAttachmentUploadComponent>;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [DccAttachmentUploadComponent]
+    });
+    fixture = TestBed.createComponent(DccAttachmentUploadComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/components/dcc/dcc-attachment-upload/dcc-attachment-upload.component.ts

+import { Component, EventEmitter, Output } from '@angular/core';
+
+import { ByteDataDto } from 'src/app/generated/dcc/model/byteDataDto';
+
+@Component({
+  selector: 'app-dcc-attachment-upload',
+  templateUrl: './dcc-attachment-upload.component.html',
+  styleUrls: ['./dcc-attachment-upload.component.scss'],
+})
+export class DccAttachmentUploadComponent {
+  @Output() fileSelected = new EventEmitter<ByteDataDto>();
+
+  constructor() {}
+
+  async onChange(event: any) {
+    const file: File = event.target.files[0];
+    if (file) {
+      const binary = await this.readFile(file);
+      const byteData = {
+        content: this.arrayBufferToBase64(binary),
+        mimeType: file.type,
+        fileName: file.name,
+      };
+      this.fileSelected.emit(byteData);
+    }
+  }
+
+  readFile(file: File): Promise<ArrayBuffer> {
+    return new Promise((resolve) => {
+      const reader = new FileReader();
+      reader.onload = () => resolve(reader.result as ArrayBuffer);
+      reader.readAsArrayBuffer(file);
+    });
+  }
+
+  private arrayBufferToBase64(buffer: ArrayBuffer): string {
+    let binary = '';
+    const bytes = new Uint8Array(buffer);
+    const len = bytes.byteLength;
+    for (let i = 0; i < len; i++) {
+      binary += String.fromCharCode(bytes[i]);
+    }
+    return window.btoa(binary);
+  }
+}
+