package com.ctrip.framework.apollo.biz.service;
import com.ctrip.framework.apollo.biz.config.BizConfig;
import com.ctrip.framework.apollo.biz.entity.Audit;
import com.ctrip.framework.apollo.biz.entity.Item;
import com.ctrip.framework.apollo.biz.entity.Namespace;
import com.ctrip.framework.apollo.biz.repository.ItemRepository;
import com.ctrip.framework.apollo.common.exception.BadRequestException;
import com.ctrip.framework.apollo.common.exception.NotFoundException;
import com.ctrip.framework.apollo.common.utils.BeanUtils;
import com.ctrip.framework.apollo.core.utils.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
@Service
public class ItemService {
@Autowired
private ItemRepository itemRepository;
@Autowired
private NamespaceService namespaceService;
@Autowired
private AuditService auditService;
@Autowired
private BizConfig bizConfig;
@Transactional
public Item delete(long id, String operator) {
Item item = itemRepository.findOne(id);
if (item == null) {
throw new IllegalArgumentException("item not exist. ID:" + id);
}
item.setDeleted(true);
item.setDataChangeLastModifiedBy(operator);
Item deletedItem = itemRepository.save(item);
auditService.audit(Item.class.getSimpleName(), id, Audit.OP.DELETE, operator);
return deletedItem;
}
@Transactional
public int batchDelete(long namespaceId, String operator) {
return itemRepository.deleteByNamespaceId(namespaceId, operator);
}
public Item findOne(String appId, String clusterName, String namespaceName, String key) {
Namespace namespace = namespaceService.findOne(appId, clusterName, namespaceName);
if (namespace == null) {
throw new NotFoundException(
String.format("namespace not found for %s %s %s", appId, clusterName, namespaceName));
}
Item item = itemRepository.findByNamespaceIdAndKey(namespace.getId(), key);
return item;
}
public Item findLastOne(String appId, String clusterName, String namespaceName) {
Namespace namespace = namespaceService.findOne(appId, clusterName, namespaceName);
if (namespace == null) {
throw new NotFoundException(
String.format("namespace not found for %s %s %s", appId, clusterName, namespaceName));
}
return findLastOne(namespace.getId());
}
public Item findLastOne(long namespaceId) {
return itemRepository.findFirst1ByNamespaceIdOrderByLineNumDesc(namespaceId);
}
public Item findOne(long itemId) {
Item item = itemRepository.findOne(itemId);
return item;
}
public List<Item> findItemsWithoutOrdered(Long namespaceId) {
List<Item> items = itemRepository.findByNamespaceId(namespaceId);
if (items == null) {
return Collections.emptyList();
}
return items;
}
public List<Item> findItemsWithoutOrdered(String appId, String clusterName, String namespaceName) {
Namespace namespace = namespaceService.findOne(appId, clusterName, namespaceName);
if (namespace != null) {
return findItemsWithoutOrdered(namespace.getId());
} else {
return Collections.emptyList();
}
}
public List<Item> findItemsWithOrdered(Long namespaceId) {
List<Item> items = itemRepository.findByNamespaceIdOrderByLineNumAsc(namespaceId);
if (items == null) {
return Collections.emptyList();
}
return items;
}
public List<Item> findItemsWithOrdered(String appId, String clusterName, String namespaceName) {
Namespace namespace = namespaceService.findOne(appId, clusterName, namespaceName);
if (namespace != null) {
return findItemsWithOrdered(namespace.getId());
} else {
return Collections.emptyList();
}
}
public List<Item> findItemsModifiedAfterDate(long namespaceId, Date date) {
return itemRepository.findByNamespaceIdAndDataChangeLastModifiedTimeGreaterThan(namespaceId, date);
}
@Transactional
public Item save(Item entity) {
checkItemKeyLength(entity.getKey());
checkItemValueLength(entity.getNamespaceId(), entity.getValue());
entity.setId(0);//protection
if (entity.getLineNum() == 0) {
Item lastItem = findLastOne(entity.getNamespaceId());
int lineNum = lastItem == null ? 1 : lastItem.getLineNum() + 1;
entity.setLineNum(lineNum);
}
Item item = itemRepository.save(entity);
auditService.audit(Item.class.getSimpleName(), item.getId(), Audit.OP.INSERT,
item.getDataChangeCreatedBy());
return item;
}
@Transactional
public Item update(Item item) {
checkItemValueLength(item.getNamespaceId(), item.getValue());
Item managedItem = itemRepository.findOne(item.getId());
BeanUtils.copyEntityProperties(item, managedItem);
managedItem = itemRepository.save(managedItem);
auditService.audit(Item.class.getSimpleName(), managedItem.getId(), Audit.OP.UPDATE,
managedItem.getDataChangeLastModifiedBy());
return managedItem;
}
private boolean checkItemValueLength(long namespaceId, String value) {
int limit = getItemValueLengthLimit(namespaceId);
if (!StringUtils.isEmpty(value) && value.length() > limit) {
throw new BadRequestException("value too long. length limit:" + limit);
}
return true;
}
private boolean checkItemKeyLength(String key) {
if (!StringUtils.isEmpty(key) && key.length() > bizConfig.itemKeyLengthLimit()) {
throw new BadRequestException("key too long. length limit:" + bizConfig.itemKeyLengthLimit());
}
return true;
}
private int getItemValueLengthLimit(long namespaceId) {
Map<Long, Integer> namespaceValueLengthOverride = bizConfig.namespaceValueLengthLimitOverride();
if (namespaceValueLengthOverride != null && namespaceValueLengthOverride.containsKey(namespaceId)) {
return namespaceValueLengthOverride.get(namespaceId);
}
return bizConfig.itemValueLengthLimit();
}
}