Die Datei „api-service.js“ für HTTP-Anfragen erstellt. HTTP-POST-Anforderung erstellt, um die generierten Umschläge zurückzuweisen.

EnvelopeGenerator.Web/wwwroot/js/api-service.js

@@ -0,0 +1,41 @@
+class Content {
+  static get JSON () {
+    return 'application/json';
+  }
+}
+
+class API {
+  static get REJECT_URL () {
+    return `/api/envelope/reject`;
+  }
+
+  static __XSRF_TOKEN
+  static get XSRF_TOKEN() {
+    API.__XSRF_TOKEN ??= document.getElementsByName('__RequestVerificationToken')[0].value;
+    return API.__XSRF_TOKEN;
+  }
+}
+
+const submitForm = async form => await fetch(form.action, {
+  method: form.method,
+  body: new FormData(form),
+  headers: {
+      "X-Requested-With": "XMLHttpRequest"
+  }
+})
+
+const createRequest = async (method, url, body, contentType) => {
+    return fetch(url, {
+        credentials: 'include',
+        method: method,
+        headers: {
+          'Content-Type': contentType,
+          'X-XSRF-TOKEN': API.XSRF_TOKEN
+        },
+        body: JSON.stringify(body)
+      })
+}
+
+const createPost = (url, body, contentType) => createRequest('POST', url, body, contentType);
+
+const rejectEnvelope = (reason) => createPost(API.REJECT_URL, reason, Content.JSON);