1/*!
 2 * Module requirements
 3 */
 4
 5var MongooseError = require('../error.js');
 6
 7/**
 8 * Document Validation Error
 9 *
10 * @api private
11 * @param {Document} instance
12 * @inherits MongooseError
13 */
14
15function ValidationError(instance) {
16  if (instance && instance.constructor.name === 'model') {
17    MongooseError.call(this, instance.constructor.modelName + ' validation failed');
18  } else {
19    MongooseError.call(this, 'Validation failed');
20  }
21  if (Error.captureStackTrace) {
22    Error.captureStackTrace(this);
23  } else {
24    this.stack = new Error().stack;
25  }
26  this.name = 'ValidationError';
27  this.errors = {};
28  if (instance) {
29    instance.errors = this.errors;
30  }
31}
32
33/*!
34 * Inherits from MongooseError.
35 */
36
37ValidationError.prototype = Object.create(MongooseError.prototype);
38ValidationError.prototype.constructor = MongooseError;
39
40
41/**
42 * Console.log helper
43 */
44
45ValidationError.prototype.toString = function() {
46  var ret = this.name + ': ';
47  var msgs = [];
48
49  Object.keys(this.errors).forEach(function(key) {
50    if (this === this.errors[key]) {
51      return;
52    }
53    msgs.push(String(this.errors[key]));
54  }, this);
55
56  return ret + msgs.join(', ');
57};
58
59/*!
60 * Module exports
61 */
62
63module.exports = exports = ValidationError;