puzzle/db.js

143 lines
3.8 KiB
JavaScript

const mysql = require('mysql');
const vars = require('./vars');
const logcon = mysql.createConnection({
host: 'db',
user: 'user',
password: 'user',
database: 'users'
});
logcon.connect();
// check_for
module.exports.cv = (table,key,value,callback) => {
logcon.query(`SELECT * FROM ${table}`, (err, rows, fields) => {
let log = '';
if (err) {
console.log("sql err");
throw err;
}
rows.forEach(rec => {
if (rec[key]==value){
log = rec[key];
return;
}
});
if (log != ''){
callback(log);
}
else{
callback(null);
}
})
}
// module.exports.ccv = (table,ekey,key,value,callback) => {
// logcon.query('SELECT * FROM `'+table+'`', (err, rows, fields) => {
// let log = '';
// if (err) {
// console.log("sql err");
// throw err;
// }
// rows.forEach(rec => {
// if (rec[key]==value){
// log = rec[key];
// return;
// }
// });
// if (log != ''){
// callback(log);
// }
// else{
// callback(null);
// }
// })
// }
module.exports.dl = (table,key,value,callback) => {
// console.log('SELECT * FROM `'+table+'` WHERE `'+key+'` = '+value);
logcon.query(`DELETE FROM ${table} WHERE ${key} = ${value}`, (err, rows, fields) => {
if (err) {
console.log("sql err");
throw err;
}else{
callback(rows);
}
})
}
// get_from
module.exports.gv = (table,key,value,callback) => {
// console.log('SELECT * FROM `'+table+'` WHERE `'+key+'` = '+value);
logcon.query(`SELECT * FROM ${table} WHERE ${key} = ${value}`, (err, rows, fields) => {
if (err) {
console.log("sql err");
throw err;
}else{
callback(rows);
}
})
}
module.exports.gav = (table,callback) => {
// console.log('SELECT * FROM `'+table+'` WHERE `'+key+'` = '+value);
logcon.query(`SELECT * FROM ${table} WHERE 1`, (err, rows, fields) => {
if (err) {
console.log("sql err");
throw err;
}else{
callback(rows);
}
})
}
module.exports.ggv = (table,ekey,key,value,callback) => {
// console.log('SELECT * FROM `'+table+'` WHERE `'+key+'` = '+value);
logcon.query(`SELECT ${ekey} FROM ${table} WHERE ${key} = ${value}`, (err, rows, fields) => {
if (err) {
console.log("sql err");
throw err;
}else{
callback(rows);
}
})
}
// set_in
module.exports.sv = (table,key,value,ekey,evalue,callback) => {
logcon.query(`UPDATE ${table} SET ${key} = '${value}' WHERE ${ekey} = '${evalue}'`, (err , rows) => {
// console.log("UPDATE `"+table+"` SET `"+key+"` = '"+value+"' WHERE `"+ekey+"` = '"+evalue+"'");
if (err) {
console.log("sql err");
throw err;
}else{
callback(rows);
}
})
}
module.exports.nr = (table,keys,values) =>{
// console.log('INSERT INTO `'+table+'`('+keys+') VALUES ('+values+')');
logcon.query(`INSERT INTO ${table} (${keys}) VALUES (${values})`,(err,res) =>{
if (err) {
console.log("sql err");
throw err;
}else{
return true;
}
})
}
module.exports.glv = (table,last_value,callback) =>{
// console.log('INSERT INTO `'+table+'`('+keys+') VALUES ('+values+')');
logcon.query(`SELECT * FROM ${table} ORDER BY ${last_value} DESC LIMIT 1;`,(err,res) =>{
if (err) {
console.log("sql err");
throw err;
}else{
callback(res);
}
})
}