actions.js

export function beginCreatingAttachment(attachment, type) {

  return function(dispatch) {
    const file = attachment.file
    delete attachment.file

    return AttachmentWebUtils.postAttachmentForAWSCredentials(attachment).then((response) => {
      const s3Data = response.uploadSignature.fields
      const url = response.uploadSignature.host
      const attachmentId = response.id
      const parentId = response.parent.id

      function onProgress(progress) {
        dispatch(updateUploadProgress(progress, type))
      }

      dispatch({
        type: BEGIN_CREATING_ATTACHMENT,
        payload: {
          type: type,
          file: file
        }
      })

      AttachmentWebUtils.uploadAttachmentToAWS(url, parentId, s3Data, file, onProgress).then(() => {
        AttachmentWebUtils.put(attachmentId).then((response) => {
          dispatch(successCreatingAttachment(response, type))
        }).catch((error) => {
          console.log("Error on PUT to attachment-service", error)
        })
      }).catch((error) => {
        console.log("Error on POST to AWS", error);
      })
    })
  }
}

export function beginLoadingPeople(query) {
  return {
    types: [
      BEGIN_LOADING_PEOPLE,
      SUCCESS_LOADING_PEOPLE,
      ERROR_LOADING_PEOPLE
    ],
    payload: {
      data: query,
      promise: PeopleWebUtils.fetch(query)
    }
  }
}