fix(message): allow users to delete their own notifications

(cherry picked from commit ea051ea5d76ee9e553754f027e6d3c5ce3aec2b1)

pigx-upms/pigx-upms-biz/src/main/java/com/pig4cloud/pigx/admin/controller/SysMessageController.java

@@ -157,6 +157,13 @@ public class SysMessageController {
         return R.ok(sysMessageService.readMessage(id));
     }
 
+    @Operation(summary = "删除当前用户消息", description = "仅删除当前用户的接收记录")
+    @SysLog("删除当前用户消息")
+    @DeleteMapping("/user/{id}")
+    public R removeUserMessage(@PathVariable("id") Long id) {
+        return R.ok(sysMessageService.removeUserMessage(id));
+    }
+
     /**
      * 查询用户公告
      *

pigx-upms/pigx-upms-biz/src/main/java/com/pig4cloud/pigx/admin/service/SysMessageService.java

@@ -44,6 +44,9 @@ public interface SysMessageService extends IService<SysMessageEntity> {
      */
     Boolean readMessage(Long id);
 
+    /** 删除当前用户的消息接收记录。 */
+    Boolean removeUserMessage(Long id);
+
     /**
      * 获取信息
      *

pigx-upms/pigx-upms-biz/src/main/java/com/pig4cloud/pigx/admin/service/impl/SysMessageServiceImpl.java

@@ -217,6 +217,14 @@ public class SysMessageServiceImpl extends ServiceImpl<SysMessageMapper, SysMess
         return Boolean.TRUE;
     }
 
+    @Override
+    public Boolean removeUserMessage(Long id) {
+        relationMapper.delete(Wrappers.<SysMessageRelationEntity>lambdaQuery()
+                .eq(SysMessageRelationEntity::getMsgId, id)
+                .eq(SysMessageRelationEntity::getUserId, SecurityUtils.getUser().getId()));
+        return Boolean.TRUE;
+    }
+
     /**
      * 获取信息
      *

pigx-upms/pigx-upms-biz/src/test/java/com/pig4cloud/pigx/admin/service/impl/SysMessageDeletionTests.java

@@ -0,0 +1,39 @@
+package com.pig4cloud.pigx.admin.service.impl;
+
+import com.baomidou.mybatisplus.core.MybatisConfiguration;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
+import com.pig4cloud.pigx.admin.api.entity.SysMessageRelationEntity;
+import com.pig4cloud.pigx.admin.mapper.SysMessageRelationMapper;
+import com.pig4cloud.pigx.common.security.service.PigxUser;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.apache.ibatis.builder.MapperBuilderAssistant;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.*;
+
+class SysMessageDeletionTests {
+
+    @Test
+    void deletesOnlyTheCurrentUsersReceipt() {
+        TableInfoHelper.initTableInfo(new MapperBuilderAssistant(new MybatisConfiguration(), "relation"), SysMessageRelationEntity.class);
+        var relations = mock(SysMessageRelationMapper.class);
+        var service = new SysMessageServiceImpl(null, null, relations, null, null, null, null);
+        var user = mock(PigxUser.class);
+        when(user.getId()).thenReturn(1001L);
+        try {
+            SecurityContextHolder.getContext().setAuthentication(new UsernamePasswordAuthenticationToken(user, null));
+            assertThat(service.removeUserMessage(123L)).isTrue();
+        } finally {
+            SecurityContextHolder.clearContext();
+        }
+        var condition = ArgumentCaptor.forClass(LambdaQueryWrapper.class);
+        verify(relations).delete(condition.capture());
+        assertThat(condition.getValue().getSqlSegment()).contains("msg_id =", "user_id =");
+        assertThat(condition.getValue().getParamNameValuePairs().values()).containsExactlyInAnyOrder(123L, 1001L);
+        verifyNoMoreInteractions(relations);
+    }
+}