add some very crude file uploading

src-ui/src/app/components/dashboard/dashboard.component.ts

@@ -1,4 +1,6 @@
 import { Component, OnInit } from '@angular/core';
+import { FileSystemDirectoryEntry, FileSystemFileEntry, NgxFileDropEntry } from 'ngx-file-drop';
+import { DocumentService } from 'src/app/services/rest/document.service';
 
 @Component({
   selector: 'app-dashboard',
@@ -7,9 +9,37 @@ import { Component, OnInit } from '@angular/core';
 })
 export class DashboardComponent implements OnInit {
 
-  constructor() { }
+  constructor(private documentService: DocumentService) { }
 
   ngOnInit(): void {
   }
 
+  public fileOver(event){
+    console.log(event);
+  }
+ 
+  public fileLeave(event){
+    console.log(event);
+  }
+ 
+  public dropped(files: NgxFileDropEntry[]) {
+    for (const droppedFile of files) {
+ 
+      // Is it a file?
+      if (droppedFile.fileEntry.isFile) {
+        const fileEntry = droppedFile.fileEntry as FileSystemFileEntry;
+        console.log(fileEntry)
+        fileEntry.file((file: File) => {
+          console.log(file)
+          const formData = new FormData()
+          formData.append('document', file, file.name)
+          this.documentService.uploadDocument(formData).subscribe(result => {
+            console.log(result)
+          }, error => {
+            console.error(error)
+          })
+        });
+      }
+    }
+  }
 }