const mysql = require('./mysql');
const {searchSql,limitSql} = require("../tools/searchSql");
const log = require("../logger").logger("d_news","info");

function addReadNum(id){
   let sql = `UPDATE hfy_news SET hits = hits + 1 WHERE id = ? limit 1`;
   let values = [id];
   return mysql.pq(sql,values);
}

function loadTypes() {
  let sql = `SELECT * FROM hfy_news_type`;
  return mysql.pq(sql, []);
}

// 轻量搜索接口
function searchAllNewsMini(type='array',searchParam,page,limit){
  let sql;
  let values = [];
  if(type === 'count'){
    sql = `select count(*) as total `;
  }else{
    sql = `select
    news.id as id ,
    news.title as name,
    n_type.type_key
    `;
  }
  sql += `
   from
   hfy_news as news ,
   hfy_news_type as n_type
  `
  sql += ` where news.type_id = n_type.type_id`
  if(searchParam.key){
    sql += ` and news.title like '%${searchParam.key}%'`
  }
  if(searchParam.type){
    sql += ` and n_type.type_key = ?`
    values.push(searchParam.type)
  }
  return searchSql(mysql.pq,type,sql,values,limit,page);
}

function getNewsById(id){
  let sql = `SELECT * FROM hfy_news WHERE id = ? limit 1`;
  return mysql.pq(sql,[id]);
}

module.exports = {
  addReadNum,
  loadTypes,
  searchAllNewsMini,
  getNewsById
}