ssjygl-xsct-service/ssjygl-xsx-common/src/main/java/com/cowr/ssjygl/customer/CustomerService.java

package com.cowr.ssjygl.customer;

import com.cowr.common.Const;
import com.cowr.common.base.BaseService;
import com.cowr.common.view.PageParam;
import com.cowr.model.Customer;
import com.jfinal.kit.StrKit;
import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Page;
import com.jfinal.plugin.activerecord.Record;

import java.util.ArrayList;
import java.util.List;

/**
 * Generated by COWR Mon Apr 06 21:35:28 CST 2020
 * TableName: customer
 * Remarks: 客户
 * PrimaryKey: id
 */
public class CustomerService extends BaseService {
    public static final CustomerService me = new CustomerService();

    public Page<Record> find(PageParam pp, String name, Integer del, Integer type) {
        String       selectsql = "select t.*, a.name receiver_name, a.phone receiver_phone, a.address receiver_address ";
        String       fromsql   = "from customer t\n" +
                " left join (\n" +
                "   select t.* from customer_receiver t\n" +
                "   left join (\n" +
                "       select max(t.id) customer_receiver_id, t.customer_id from customer_receiver t\n" +
                "       group by t.customer_id\n" +
                "   ) a on a.customer_receiver_id = t.id and t.customer_id = a.customer_id\n" +
                "   where a.customer_receiver_id is not null\n" +
                " ) a on a.customer_id = t.id \n" +
                "  where 1=1 \n";
        List<Object> paraList  = new ArrayList<>();

        if(del == null){
            fromsql += " and t.del = 0 \n";
        }else if (del == Const.LOGIC_DEL_VALID || del == Const.LOGIC_DEL_INVALID) {
            fromsql += " and t.del = ? \n";
            paraList.add(del);
        }

        if(StrKit.notBlank(name)){
            fromsql += " and t.name like ? \n";
            paraList.add("%" + name + "%");
        }

        if(type != null){
            fromsql += " and t.type = ? \n";
            paraList.add(type);
        }

        String totalRowSql = "select count(*) " + fromsql;
        String findSql     = selectsql + fromsql;

        // 前端传了排序字段，并且排序字段存在相关表中
        if (StrKit.notBlank(pp.getSort_field()) && Customer.dao.hasColunm(pp.getSort_field())) {
            findSql += " order by t." + pp.getSort_field() + " is null, t." + pp.getSort_field();

            if (Const.ORDER_BY_ASC.equals(pp.getSort_order())) {
                findSql += " " + Const.ORDER_BY_ASC;
            } else {
                findSql += " " + Const.ORDER_BY_DESC;
            }
        }

        Page<Record> page = Db.paginateByFullSql(pp.getPage(), pp.getSize(), totalRowSql, findSql, paraList.toArray());
        List<Record> list = page.getList();

        if(!list.isEmpty()) {
            List<String> ids = new ArrayList<>();

            for (Record record : list) {
                ids.add(record.getStr("id"));
            }

            List<Record> prepaycustomers = Db.find(" select t.*, s.name supermarket_name from prepay_customer t \n" +
                    " left join supermarket s on s.id = t.supermarket_id \n" +
                    " where t.customer_id in(" + StrKit.join(ids, ",") + ")");

            for (Record record : list) {
                int id = record.getInt("id");

                if (record.get("prepay_customer") == null) {
                    record.set("prepay_customer", new ArrayList<>());
                }

                for (Record p : prepaycustomers) {
                    int customer_id = p.getInt("customer_id");

                    if (id == customer_id) {
                        ((ArrayList) record.get("prepay_customer")).add(p);
                    }
                }
            }
        }

        return page;
    }

    public List<Customer> list() {
        return Customer.dao.find("select * from customer");
    }
}