wkr-util/cjs/validators/validateMustExist.js

Utility library for wkr project.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _f = require("@cullylarson/f");

var _validate = require("@cullylarson/validate");

var _mysql = require("@cullylarson/mysql");

var _default = (0, _f.curry)((pool, tableName, paramNameToColumnName, value, params) => {
  // if columnInfo is an array, the first item is the column name, the second item
  // is SQL that should be used as the value or value placeholder. It must include a question mark which will be replaced by the value.
  const buildCondition = (columnInfo, value) => {
    const columnName = Array.isArray(columnInfo) ? columnInfo[0] : columnInfo;
    const valuePlaceholder = Array.isArray(columnInfo) ? columnInfo[1] : '?';
    return [`${columnName} = ${valuePlaceholder}`, // the condition query
    value // the value to fill in for the '?'
    ];
  };

  const whereInfo = (0, _f.isObject)(paramNameToColumnName) && !Array.isArray(paramNameToColumnName) ? (0, _f.compose)(_f.values, (0, _f.map)((columnInfo, paramName) => buildCondition(columnInfo, params[paramName])))(paramNameToColumnName) : [buildCondition(paramNameToColumnName, value)]; // nothing to check

  if (!whereInfo.length) return (0, _validate.simpleValidationResult)();
  const where = whereInfo.map((0, _f.get)(0, '')).join(' AND ');
  const whereValues = whereInfo.map((0, _f.get)(1, ''));
  return (0, _mysql.query)(pool, `SELECT COUNT(*) as count FROM ${tableName} WHERE ${where}`, whereValues).then((0, _f.get)(['results', 0, 'count'], 0)).then((0, _f.toInt)(0)).then(count => {
    return count === 0 ? (0, _validate.simpleValidationResult)((0, _validate.messageObj)('not-found', 'The entry could not be found.')) : (0, _validate.simpleValidationResult)();
  });
});

exports.default = _default;
module.exports = exports.default;