Product/789 user contact email

coscine/issues#789

src/requests/contactchange-api.ts

+const axios = require('axios');
+
+import apiConnectionBasic from '../basic/api-connection-basic';
+
+function getContactChangeApiUrl() {
+  return (
+    'https://' + apiConnectionBasic.getHostName() + '/coscine/api/Coscine.Api.User/ContactChange/'
+  );
+}
+
+export class ContactChangeApi {
+  public static getStatus(
+    thenHandler: any = apiConnectionBasic.defaultThenHandler,
+    catchHandler: any = apiConnectionBasic.defaultOnCatch
+  ) {
+    apiConnectionBasic.setHeader();
+    return axios
+      .get(getContactChangeApiUrl() + 'status')
+      .then(thenHandler)
+      .catch(catchHandler);
+  }
+  public static confirm(
+    token: string,
+    thenHandler: any = apiConnectionBasic.defaultThenHandler,
+    catchHandler: any = apiConnectionBasic.defaultOnCatch
+  ) {
+    return axios
+      .get(getContactChangeApiUrl() + 'confirm/' + token)
+      .then(thenHandler)
+      .catch(catchHandler);
+  }
+  public static emailChange(
+    body: any,
+    thenHandler: any = apiConnectionBasic.defaultThenHandler,
+    catchHandler: any = apiConnectionBasic.defaultOnCatch
+  ) {
+    apiConnectionBasic.setHeader();
+    const config = { headers: {'Content-Type': 'application/json'} };
+    return axios
+      .post(getContactChangeApiUrl() + 'emailchange', body, config)
+      .then(thenHandler)
+      .catch(catchHandler);
+  }
+}