fix(send): add MyBatis Plus pagination interceptor so queryRecords returns correct total

backend/mci-server/src/main/java/com/sino/mci/config/MybatisPlusConfig.java

@@ -1,7 +1,10 @@
 package com.sino.mci.config;
 
+import com.baomidou.mybatisplus.annotation.DbType;
 import com.baomidou.mybatisplus.core.config.GlobalConfig;
 import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
 import org.apache.ibatis.session.SqlSessionFactory;
 import org.mybatis.spring.annotation.MapperScan;
@@ -14,10 +17,18 @@ import javax.sql.DataSource;
 @MapperScan({"com.sino.mci.admin.repository", "com.sino.mci.channel.repository", "com.sino.mci.crm.repository", "com.sino.mci.flow.repository", "com.sino.mci.inbound.repository", "com.sino.mci.message.repository", "com.sino.mci.policy.repository", "com.sino.mci.send.repository"})
 public class MybatisPlusConfig {
 
+    @Bean
+    public MybatisPlusInterceptor mybatisPlusInterceptor() {
+        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
+        return interceptor;
+    }
+
     @Bean
     public SqlSessionFactory sqlSessionFactory(DataSource dataSource, MetaObjectHandler metaObjectHandler) throws Exception {
         MybatisSqlSessionFactoryBean factoryBean = new MybatisSqlSessionFactoryBean();
         factoryBean.setDataSource(dataSource);
+        factoryBean.setPlugins(mybatisPlusInterceptor());
 
         GlobalConfig globalConfig = new GlobalConfig();
         globalConfig.setMetaObjectHandler(metaObjectHandler);

backend/mci-server/src/test/java/com/sino/mci/config/MybatisPlusConfigTest.java

@@ -0,0 +1,23 @@
+package com.sino.mci.config;
+
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class MybatisPlusConfigTest {
+
+    @Test
+    void mybatisPlusInterceptorContainsPaginationInnerInterceptor() {
+        MybatisPlusConfig config = new MybatisPlusConfig();
+        MybatisPlusInterceptor interceptor = config.mybatisPlusInterceptor();
+
+        assertNotNull(interceptor);
+        assertTrue(
+                interceptor.getInterceptors().stream().anyMatch(i -> i instanceof PaginationInnerInterceptor),
+                "MybatisPlusInterceptor should contain PaginationInnerInterceptor"
+        );
+    }
+}