/**
* Try to create multiple entities in one transaction. If one fails all fails.
*
* @param entityName name of the entity where the entities are going to be added.
* @param request EntityCollectionCreateRequestV2
* @param response HttpServletResponse
* @return EntityCollectionCreateResponseBodyV2
* @throws Exception
*/
@RequestMapping(value = "/{entityName}", method = POST, produces = APPLICATION_JSON_VALUE)
@ResponseBody
public EntityCollectionBatchCreateResponseBodyV2 createEntities(
@PathVariable("entityName") String entityName,
@RequestBody @Valid EntityCollectionBatchRequestV2 request,
HttpServletResponse response)
throws Exception {
final EntityMetaData meta = dataService.getEntityMetaData(entityName);
if (meta == null) {
throw createUnknownEntityException(entityName);
}
try {
final List<Entity> entities =
request
.getEntities()
.stream()
.map(e -> this.restService.toEntity(meta, e))
.collect(Collectors.toList());
final EntityCollectionBatchCreateResponseBodyV2 responseBody =
new EntityCollectionBatchCreateResponseBodyV2();
final List<String> ids = new ArrayList<String>();
// Add all entities
this.dataService.add(entityName, entities.stream());
entities.forEach(
entity -> {
String id = entity.getIdValue().toString();
ids.add(id.toString());
responseBody
.getResources()
.add(
new AutoValue_ResourcesResponseV2(
Href.concatEntityHref(RestControllerV2.BASE_URI, entityName, id)));
});
responseBody.setLocation(
Href.concatEntityCollectionHref(
RestControllerV2.BASE_URI, entityName, meta.getIdAttribute().getName(), ids));
response.setStatus(HttpServletResponse.SC_CREATED);
return responseBody;
} catch (Exception e) {
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
throw e;
}
}
