1/*!
  2 * Module requirements.
  3 */
  4
  5var MongooseError = require('../error');
  6var utils = require('../utils');
  7
  8var SchemaType = require('../schematype');
  9
 10var CastError = SchemaType.CastError;
 11
 12/**
 13 * Date SchemaType constructor.
 14 *
 15 * @param {String} key
 16 * @param {Object} options
 17 * @inherits SchemaType
 18 * @api public
 19 */
 20
 21function SchemaDate(key, options) {
 22  SchemaType.call(this, key, options, 'Date');
 23}
 24
 25/**
 26 * This schema type's name, to defend against minifiers that mangle
 27 * function names.
 28 *
 29 * @api public
 30 */
 31SchemaDate.schemaName = 'Date';
 32
 33/*!
 34 * Inherits from SchemaType.
 35 */
 36SchemaDate.prototype = Object.create(SchemaType.prototype);
 37SchemaDate.prototype.constructor = SchemaDate;
 38
 39/**
 40 * Declares a TTL index (rounded to the nearest second) for _Date_ types only.
 41 *
 42 * This sets the `expireAfterSeconds` index option available in MongoDB >= 2.1.2.
 43 * This index type is only compatible with Date types.
 44 *
 45 * ####Example:
 46 *
 47 *     // expire in 24 hours
 48 *     new Schema({ createdAt: { type: Date, expires: 60*60*24 }});
 49 *
 50 * `expires` utilizes the `ms` module from [guille](https://github.com/guille/) allowing us to use a friendlier syntax:
 51 *
 52 * ####Example:
 53 *
 54 *     // expire in 24 hours
 55 *     new Schema({ createdAt: { type: Date, expires: '24h' }});
 56 *
 57 *     // expire in 1.5 hours
 58 *     new Schema({ createdAt: { type: Date, expires: '1.5h' }});
 59 *
 60 *     // expire in 7 days
 61 *     var schema = new Schema({ createdAt: Date });
 62 *     schema.path('createdAt').expires('7d');
 63 *
 64 * @param {Number|String} when
 65 * @added 3.0.0
 66 * @return {SchemaType} this
 67 * @api public
 68 */
 69
 70SchemaDate.prototype.expires = function(when) {
 71  if (!this._index || this._index.constructor.name !== 'Object') {
 72    this._index = {};
 73  }
 74
 75  this._index.expires = when;
 76  utils.expires(this._index);
 77  return this;
 78};
 79
 80/**
 81 * Check if the given value satisfies a required validator. To satisfy
 82 * a required validator, the given value must be an instance of `Date`.
 83 *
 84 * @param {Any} value
 85 * @param {Document} doc
 86 * @return {Boolean}
 87 * @api public
 88 */
 89
 90SchemaDate.prototype.checkRequired = function(value) {
 91  return value instanceof Date;
 92};
 93
 94/**
 95 * Sets a minimum date validator.
 96 *
 97 * ####Example:
 98 *
 99 *     var s = new Schema({ d: { type: Date, min: Date('1970-01-01') })
100 *     var M = db.model('M', s)
101 *     var m = new M({ d: Date('1969-12-31') })
102 *     m.save(function (err) {
103 *       console.error(err) // validator error
104 *       m.d = Date('2014-12-08');
105 *       m.save() // success
106 *     })
107 *
108 *     // custom error messages
109 *     // We can also use the special {MIN} token which will be replaced with the invalid value
110 *     var min = [Date('1970-01-01'), 'The value of path `{PATH}` ({VALUE}) is beneath the limit ({MIN}).'];
111 *     var schema = new Schema({ d: { type: Date, min: min })
112 *     var M = mongoose.model('M', schema);
113 *     var s= new M({ d: Date('1969-12-31') });
114 *     s.validate(function (err) {
115 *       console.log(String(err)) // ValidationError: The value of path `d` (1969-12-31) is before the limit (1970-01-01).
116 *     })
117 *
118 * @param {Date} value minimum date
119 * @param {String} [message] optional custom error message
120 * @return {SchemaType} this
121 * @see Customized Error Messages #error_messages_MongooseError-messages
122 * @api public
123 */
124
125SchemaDate.prototype.min = function(value, message) {
126  if (this.minValidator) {
127    this.validators = this.validators.filter(function(v) {
128      return v.validator !== this.minValidator;
129    }, this);
130  }
131
132  if (value) {
133    var msg = message || MongooseError.messages.Date.min;
134    msg = msg.replace(/{MIN}/, (value === Date.now ? 'Date.now()' : this.cast(value).toString()));
135    var _this = this;
136    this.validators.push({
137      validator: this.minValidator = function(val) {
138        var min = (value === Date.now ? value() : _this.cast(value));
139        return val === null || val.valueOf() >= min.valueOf();
140      },
141      message: msg,
142      type: 'min',
143      min: value
144    });
145  }
146
147  return this;
148};
149
150/**
151 * Sets a maximum date validator.
152 *
153 * ####Example:
154 *
155 *     var s = new Schema({ d: { type: Date, max: Date('2014-01-01') })
156 *     var M = db.model('M', s)
157 *     var m = new M({ d: Date('2014-12-08') })
158 *     m.save(function (err) {
159 *       console.error(err) // validator error
160 *       m.d = Date('2013-12-31');
161 *       m.save() // success
162 *     })
163 *
164 *     // custom error messages
165 *     // We can also use the special {MAX} token which will be replaced with the invalid value
166 *     var max = [Date('2014-01-01'), 'The value of path `{PATH}` ({VALUE}) exceeds the limit ({MAX}).'];
167 *     var schema = new Schema({ d: { type: Date, max: max })
168 *     var M = mongoose.model('M', schema);
169 *     var s= new M({ d: Date('2014-12-08') });
170 *     s.validate(function (err) {
171 *       console.log(String(err)) // ValidationError: The value of path `d` (2014-12-08) exceeds the limit (2014-01-01).
172 *     })
173 *
174 * @param {Date} maximum date
175 * @param {String} [message] optional custom error message
176 * @return {SchemaType} this
177 * @see Customized Error Messages #error_messages_MongooseError-messages
178 * @api public
179 */
180
181SchemaDate.prototype.max = function(value, message) {
182  if (this.maxValidator) {
183    this.validators = this.validators.filter(function(v) {
184      return v.validator !== this.maxValidator;
185    }, this);
186  }
187
188  if (value) {
189    var msg = message || MongooseError.messages.Date.max;
190    msg = msg.replace(/{MAX}/, (value === Date.now ? 'Date.now()' : this.cast(value).toString()));
191    var _this = this;
192    this.validators.push({
193      validator: this.maxValidator = function(val) {
194        var max = (value === Date.now ? value() : _this.cast(value));
195        return val === null || val.valueOf() <= max.valueOf();
196      },
197      message: msg,
198      type: 'max',
199      max: value
200    });
201  }
202
203  return this;
204};
205
206/**
207 * Casts to date
208 *
209 * @param {Object} value to cast
210 * @api private
211 */
212
213SchemaDate.prototype.cast = function(value) {
214  // If null or undefined
215  if (value === null || value === void 0 || value === '') {
216    return null;
217  }
218
219  if (value instanceof Date) {
220    return value;
221  }
222
223  var date;
224
225  if (typeof value === 'boolean') {
226    throw new CastError('date', value, this.path);
227  }
228
229  if (value instanceof Number || typeof value === 'number'
230      || String(value) == Number(value)) {
231    // support for timestamps
232    date = new Date(Number(value));
233  } else if (value.valueOf) {
234    // support for moment.js
235    date = new Date(value.valueOf());
236  }
237
238  if (!isNaN(date.valueOf())) {
239    return date;
240  }
241
242  throw new CastError('date', value, this.path);
243};
244
245/*!
246 * Date Query casting.
247 *
248 * @api private
249 */
250
251function handleSingle(val) {
252  return this.cast(val);
253}
254
255SchemaDate.prototype.$conditionalHandlers =
256    utils.options(SchemaType.prototype.$conditionalHandlers, {
257      $gt: handleSingle,
258      $gte: handleSingle,
259      $lt: handleSingle,
260      $lte: handleSingle
261    });
262
263
264/**
265 * Casts contents for queries.
266 *
267 * @param {String} $conditional
268 * @param {any} [value]
269 * @api private
270 */
271
272SchemaDate.prototype.castForQuery = function($conditional, val) {
273  var handler;
274
275  if (arguments.length !== 2) {
276    return this.cast($conditional);
277  }
278
279  handler = this.$conditionalHandlers[$conditional];
280
281  if (!handler) {
282    throw new Error('Can\'t use ' + $conditional + ' with Date.');
283  }
284
285  return handler.call(this, val);
286};
287
288/*!
289 * Module exports.
290 */
291
292module.exports = SchemaDate;