代码拉取完成,页面将自动刷新
package com.ruben.simplegraphql.provider;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.bean.copier.CopyOptions;
import cn.hutool.core.io.IoUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruben.simplegraphql.pojo.po.RoleInfo;
import com.ruben.simplegraphql.pojo.po.UserInfo;
import com.ruben.simplegraphql.pojo.po.UserRole;
import com.ruben.simplegraphql.pojo.vo.RoleVO;
import com.ruben.simplegraphql.pojo.vo.UserVO;
import com.ruben.simplegraphql.util.ConvertUtil;
import graphql.GraphQL;
import graphql.execution.instrumentation.Instrumentation;
import graphql.execution.instrumentation.tracing.TracingInstrumentation;
import graphql.schema.GraphQLSchema;
import graphql.schema.idl.RuntimeWiring;
import graphql.schema.idl.SchemaGenerator;
import graphql.schema.idl.SchemaParser;
import graphql.schema.idl.TypeDefinitionRegistry;
import io.github.vampireachao.stream.plugin.mybatisplus.Database;
import io.github.vampireachao.stream.plugin.mybatisplus.Many;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;
import org.springframework.util.ResourceUtils;
import javax.annotation.PostConstruct;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.net.URL;
import java.util.List;
import static graphql.schema.idl.TypeRuntimeWiring.newTypeWiring;
/**
* GraphQLProvider
*
* @author VampireAchao
* @since 2022/9/25
*/
@Component
public class GraphQLProvider {
private GraphQL graphQL;
@PostConstruct
public void init() throws IOException {
URL url = ResourceUtils.getURL("classpath:schema.graphqls");
String sdl = IoUtil.readUtf8((BufferedInputStream) url.getContent());
GraphQLSchema graphqlSchema = buildSchema(sdl);
Instrumentation instrumentation = new TracingInstrumentation();
this.graphQL = GraphQL.newGraphQL(graphqlSchema).instrumentation(instrumentation).build();
}
private GraphQLSchema buildSchema(String sdl) {
TypeDefinitionRegistry typeRegistry = new SchemaParser().parse(sdl);
RuntimeWiring runtimeWiring = buildWiring();
SchemaGenerator schemaGenerator = new SchemaGenerator();
return schemaGenerator.makeExecutableSchema(typeRegistry, runtimeWiring);
}
@SuppressWarnings("unchecked")
private RuntimeWiring buildWiring() {
return RuntimeWiring.newRuntimeWiring()
.type(newTypeWiring("Query")
.dataFetcher("users", environment -> {
Page<UserInfo> paramPage = BeanUtil.mapToBean(environment.getArguments(), Page.class, false, CopyOptions.create());
UserInfo userInfo = BeanUtil.mapToBean(environment.getArguments(), UserInfo.class, false, CopyOptions.create());
return Database.page(paramPage, Wrappers.lambdaQuery(userInfo)).convert(new UserVO()::convert);
})
.dataFetcher("roles", environment -> {
String name = environment.getArgument("name");
List<RoleInfo> queryRoles = Database.list(Wrappers.lambdaQuery(RoleInfo.class).like(RoleInfo::getRoleName, name));
return ConvertUtil.convertList(queryRoles, RoleVO.class);
})
)
.type(newTypeWiring("User")
.dataFetcher("roles", environment -> {
UserVO userVO = environment.getSource();
List<String> roleIds = Many.query(userVO.getId(), UserRole::getUserId, UserRole::getRoleId);
return Many.query(roleIds, RoleInfo::getId, new RoleVO()::convert);
})
)
.type(newTypeWiring("Role")
.dataFetcher("users", environment -> {
RoleVO roleVO = environment.getSource();
List<Long> userIds = Many.query(roleVO.getId(), UserRole::getRoleId, UserRole::getUserId);
return Many.query(userIds, UserInfo::getId, new UserVO()::convert);
})
)
.build();
}
@Bean
public GraphQL graphQL() {
return graphQL;
}
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。