Add download function

src/components/factory.ts

@@ -84,3 +84,44 @@ export const updateFromWebApiWrapperAsync = async (funcAsync: asyncFunction, set
       setShowLoader(false)
   }
 }
+
+export const download = async (url:string, fileName?:string) => {
+  const response = await fetch(url, {
+    headers: {
+      Authorization: 'Bearer ' + localStorage['token']
+    },
+    method: 'Get'
+  })
+  const requestFileName = decodeURI(fileName
+    ??response.headers
+      .get('content-disposition')
+      ?.split(';')
+      .splice(-1)[0]
+      .split("'")
+      .splice(-1)[0]
+      ?? url.replace('\\','/')
+      .split('/')
+      .splice(-1)[0]
+      ?? 'file')
+  const blob = await response.blob()
+  const reader = new FileReader();
+  reader.readAsDataURL(blob);
+  reader.onload = function (e) {
+    let a = document.createElement('a');
+    a.href = (e.target?.result?.toString() ?? '');
+    a.download = requestFileName;
+    document.body.appendChild(a); // we need to append the element to the dom -> otherwise it will not work in firefox
+    a.click();    
+    a.remove();
+  };
+}
+
+export const upload = async (url:string, formData: FormData) => {
+  await fetch(url, {
+    headers: {
+      Authorization: 'Bearer ' + localStorage['token']
+    },
+    method: 'Post',
+    body: formData,
+  })
+}