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validate.js
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81 lines (70 loc) · 1.62 KB
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'use strict'
const permission = require('./config').permission;
function create(name,obj) {
if(name == undefined || name.length > 64 || name.length == 0){
throw new Error("table name not valid");
}
let result = [];
if (!isArrayFn(obj)) {
throw new Error('raw must be an Array');
}
let setFields = new Set();
// let isHavePk = false;
for (let i = 0; i < obj.length; i++) {
if (!obj[i].field || !obj[i].type) {
throw new Error('Raw must have field and type');
}
// field must be unique
if(setFields.has(obj[i].field)){
throw new Error('Duplicate column name `'+obj[i].field+'`');
}
setFields.add(obj[i].field);
switch(obj[i].type)
{
case "int":
case "float":
case "double":
case "decimal":
case "blob":
case "text":
case "datetime":
case "date":
case "longtext":
break;
case "varchar":
case "char":
if(!obj[i].length){
throw new Error('The type varchar must have length');
}
break;
default:
throw new Error('invalid type '+obj[i].type);
}
// if (obj[i].PK) {
// if (isHavePk) {
// throw new Error('the table only have a PK');
// }
// node.PK = 1;
// isHavePk = true;
// }
}
}
function assign(obj) {
let result = 0;
if (!isArrayFn(obj)) {
throw new Error('flags must be an Array');
}
for (var i = 0; i < obj.length; i++) {
if (permission[obj[i]]) {
result = result | permission[obj[i]];
}
}
if (result === 0) throw new Error('invalidate flags');
console.log(result);
return result;
}
function isArrayFn(o) {
return Object.prototype.toString.call(o) === '[object Array]';
}
exports.create = create;
exports.assign = assign;