feat: 条目更新时更新update_time字段 (#736)

CHANGELOG.MD

@@ -7,6 +7,7 @@
 ## 优化
 
 - 条目条件查询接口
+- 条目更新时更新update_time字段
 
 # 0.20.3
 

server/src/main/java/run/ikaros/server/core/subject/service/impl/SubjectServiceImpl.java

@@ -158,6 +158,10 @@ public synchronized Mono<Subject> create(Subject subject) {
         Assert.notNull(subject, "'subject' must not be null.");
         Assert.notNull(subject.getType(), "'subject.type' must not be null.");
         return copyProperties(subject, new SubjectEntity())
+            .map(subjectEntity -> {
+                subjectEntity.setUpdateTime(LocalDateTime.now());
+                return subjectEntity;
+            })
             .flatMap(subjectRepository::save)
             .doOnNext(entity -> applicationContext.publishEvent(new SubjectAddEvent(this, entity)))
             .flatMap(subjectEntity -> copyProperties(subjectEntity, subject));
@@ -182,7 +186,8 @@ public Mono<Void> update(Subject subject) {
             .flatMap(this::publishSubjectUpdateEvent)
             .flatMap(entity -> {
                 Map<SqlIdentifier, Object> map = new HashMap<>();
-                map.put(SqlIdentifier.unquoted("update_time"), entity.getUpdateTime());
+                map.put(SqlIdentifier.unquoted("update_time"),
+                    entity.getUpdateTime() == null ? LocalDateTime.now() : entity.getUpdateTime());
                 map.put(SqlIdentifier.unquoted("name"), entity.getName());
                 map.put(SqlIdentifier.unquoted("nameCn"), entity.getNameCn());
                 map.put(SqlIdentifier.unquoted("cover"), entity.getCover());