adapt payload body to entity convention with type + id

src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/api.js

@@ -2,8 +2,8 @@
 const getBodyTypeId = (payload) => {
    const body = {};
    if (payload !== null) {
-      const typeId = `${payload.result.type}_id`;
-      body[typeId] = payload.result[typeId];
+      body['type'] = payload.type;
+      body['id'] = payload.id;
    };
    console.log('body', body);
    return body;
@@ -52,17 +52,18 @@ const patchAccompanyingCourse = (id, body) => {
 * method POST/DELETE, add/close a participation to the accompanyingCourse
 *
 *  @id               integer - id of accompanyingCourse
-*  @person_id        integer - id of person
+*  @payload          integer - id of person
 *  @method           string - POST or DELETE
 */
-const postParticipation = (id, person_id, method) => {
+const postParticipation = (id, payload, method) => {
+   const body = getBodyTypeId(payload);
    const url = `/api/1.0/person/accompanying-course/${id}/participation.json`;
    return fetch(url, {
          method: method,
          headers: {
            'Content-Type': 'application/json;charset=utf-8'
          },
-         body: JSON.stringify({person_id: person_id})
+         body: JSON.stringify(body)
       })
       .then(response => {
          if (response.ok) { return response.json(); }