docbrown/app/javascript/chat/actions/requestActions.js

export function rejectJoiningRequest(
  channelId,
  membershipId,
  successCb,
  failureCb,
) {
  fetch(`/chat_channel_memberships/remove_membership`, {
    method: 'POST',
    headers: {
      Accept: 'application/json',
      'X-CSRF-Token': window.csrfToken,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      status: 'pending',
      chat_channel_id: channelId,
      membership_id: membershipId,
    }),
    credentials: 'same-origin',
  })
    .then((response) => response.json())
    .then(successCb)
    .catch(failureCb);
}

export function acceptJoiningRequest(
  channelId,
  membershipId,
  successCb,
  failureCb,
) {
  fetch(`/chat_channel_memberships/add_membership`, {
    method: 'POST',
    headers: {
      Accept: 'application/json',
      'X-CSRF-Token': window.csrfToken,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      chat_channel_id: channelId,
      membership_id: membershipId,
      chat_channel_membership: {
        user_action: 'accept',
      },
    }),
    credentials: 'same-origin',
  })
    .then((response) => response.json())
    .then(successCb)
    .catch(failureCb);
}

export function sendChannelRequest(id, successCb, failureCb) {
  fetch(`/join_chat_channel`, {
    method: 'POST',
    headers: {
      Accept: 'application/json',
      'X-CSRF-Token': window.csrfToken,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      chat_channel_membership: {
        chat_channel_id: id,
      },
    }),
    credentials: 'same-origin',
  })
    .then((response) => response.json())
    .then(successCb)
    .catch(failureCb);
}