/**
* 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;
}
}
private void createEntityValuesResponseRec(
Entity entity,
Iterable<AttributeMetaData> attrs,
Fetch fetch,
Map<String, Object> responseData) {
responseData.put(
"_href",
Href.concatEntityHref(BASE_URI, entity.getEntityMetaData().getName(), entity.getIdValue()));
for (AttributeMetaData attr : attrs) // TODO performance use fetch instead of attrs
{
String attrName = attr.getName();
if (fetch == null || fetch.hasField(attr)) {
FieldTypeEnum dataType = attr.getDataType().getEnumType();
switch (dataType) {
case BOOL:
responseData.put(attrName, entity.getBoolean(attrName));
break;
case CATEGORICAL:
case XREF:
case FILE:
Entity refEntity = entity.getEntity(attrName);
Map<String, Object> refEntityResponse;
if (refEntity != null) {
Fetch refAttrFetch = fetch != null ? fetch.getFetch(attr) : null;
refEntityResponse = createEntityResponse(refEntity, refAttrFetch, false);
} else {
refEntityResponse = null;
}
responseData.put(attrName, refEntityResponse);
break;
case CATEGORICAL_MREF:
case MREF:
Iterable<Entity> refEntities = entity.getEntities(attrName);
List<Map<String, Object>> refEntityResponses;
if (refEntities != null) {
refEntityResponses = new ArrayList<Map<String, Object>>();
Fetch refAttrFetch = fetch != null ? fetch.getFetch(attrName) : null;
for (Entity refEntitiesEntity : refEntities) {
refEntityResponses.add(
createEntityResponse(refEntitiesEntity, refAttrFetch, false));
}
} else {
refEntityResponses = null;
}
responseData.put(attrName, refEntityResponses);
break;
case COMPOUND:
throw new RuntimeException("Invalid data type [" + dataType + "]");
case DATE:
Date dateValue = entity.getDate(attrName);
String dateValueStr = dateValue != null ? getDateFormat().format(dateValue) : null;
responseData.put(attrName, dateValueStr);
break;
case DATE_TIME:
Date dateTimeValue = entity.getDate(attrName);
String dateTimeValueStr =
dateTimeValue != null ? getDateTimeFormat().format(dateTimeValue) : null;
responseData.put(attrName, dateTimeValueStr);
break;
case DECIMAL:
responseData.put(attrName, entity.getDouble(attrName));
break;
case EMAIL:
case ENUM:
case HTML:
case HYPERLINK:
case SCRIPT:
case STRING:
case TEXT:
responseData.put(attrName, entity.getString(attrName));
break;
case INT:
responseData.put(attrName, entity.getInt(attrName));
break;
case LONG:
responseData.put(attrName, entity.getLong(attrName));
break;
default:
throw new RuntimeException("Unknown data type [" + dataType + "]");
}
}
}
}