all files / keystone/fields/types/number/ NumberType.js

94.44% Statements 68/72
79.75% Branches 63/79
85.71% Functions 6/7
94.44% Lines 68/72
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131                     12× 12× 12×       12×                 12× 12×   10×                                                     37× 37×   35× 26× 26×               10× 10×              
var FieldType = require('../Type');
var numeral = require('numeral');
var util = require('util');
var utils = require('keystone-utils');
 
 
/**
 * Number FieldType Constructor
 * @extends Field
 * @api public
 */
function number (list, path, options) {
	this._nativeType = Number;
	this._fixedSize = 'small';
	this._underscoreMethods = ['format'];
	this.formatString = (options.format === false) ? false : (options.format || '0,0[.][000000000000]');
	if (this.formatString && typeof this.formatString !== 'string') {
		throw new Error('FieldType.Number: options.format must be a string.');
	}
	number.super_.call(this, list, path, options);
}
util.inherits(number, FieldType);
 
number.prototype.validateInput = function (data, callback) {
	var value = this.getValueFromData(data);
	var result = value === undefined || typeof value === 'number' || value === null;
	if (typeof value === 'string') {
		if (value === '') {
			result = true;
		} else {
			value = utils.number(value);
			result = !isNaN(value);
		}
	}
	utils.defer(callback, result);
};
 
number.prototype.validateRequiredInput = function (item, data, callback) {
	var value = this.getValueFromData(data);
	var result = !!(value || typeof value === 'number');
	if (value === undefined && item.get(this.path)) {
		result = true;
	}
	utils.defer(callback, result);
};
 
/**
 * Add filters to a query
 */
number.prototype.addFilterToQuery = function (filter, query) {
	query = query || {};
	if (filter.mode === 'equals' && !filter.value) {
		query[this.path] = filter.inverted ? { $nin: ['', 0, null] } : { $in: ['', 0, null] };
		return query;
	}
	if (filter.mode === 'between') {
		var min = utils.number(filter.value.min);
		var max = utils.number(filter.value.max);
		if (!isNaN(min) && !isNaN(max)) {
			query[this.path] = filter.inverted ? { $gte: max, $lte: min } : { $gte: min, $lte: max };
		}
		return query;
	}
	var value = utils.number(filter.value);
	if (!isNaN(value)) {
		if (filter.mode === 'gt') {
			query[this.path] = filter.inverted ? { $lt: value } : { $gt: value };
		}
		else if (filter.mode === 'lt') {
			query[this.path] = filter.inverted ? { $gt: value } : { $lt: value };
		}
		else {
			query[this.path] = value;
		}
	}
	return query;
};
 
/**
 * Formats the field value
 */
number.prototype.format = function (item, format) {
	var value = item.get(this.path);
	if (format || this.formatString) {
		return (typeof value === 'number') ? numeral(value).format(format || this.formatString) : '';
	} else {
		return value || value === 0 ? String(value) : '';
	}
};
 
/**
 * Checks that a valid number has been provided in a data object
 * An empty value clears the stored value and is considered valid
 *
 * Deprecated
 */
number.prototype.inputIsValid = function (data, required, item) {
	var value = this.getValueFromData(data);
	if (value === undefined && item && (item.get(this.path) || item.get(this.path) === 0)) {
		return true;
	}
	if (value !== undefined && value !== '') {
		var newValue = utils.number(value);
		return (!isNaN(newValue));
	} else {
		return (required) ? false : true;
	}
};
 
/**
 * Updates the value for this field in the item from a data object
 */
number.prototype.updateItem = function (item, data, callback) {
	var value = this.getValueFromData(data);
	if (value === undefined) {
		return process.nextTick(callback);
	}
	var newValue = utils.number(value);
	if (!isNaN(newValue)) {
		Eif (newValue !== item.get(this.path)) {
			item.set(this.path, newValue);
		}
	} else Eif (typeof item.get(this.path) === 'number') {
		item.set(this.path, null);
	}
	process.nextTick(callback);
};
 
/* Export Field Type */
module.exports = number;