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
|
/*!
* Module dependencies.
*/
var Mixed = require('../schema/mixed');
var ValidationError = require('../error/validation');
var parallel = require('async/parallel');
var flatten = require('./common').flatten;
var modifiedPaths = require('./common').modifiedPaths;
/**
* Applies validators and defaults to update and findOneAndUpdate operations,
* specifically passing a null doc as `this` to validators and defaults
*
* @param {Query} query
* @param {Schema} schema
* @param {Object} castedDoc
* @param {Object} options
* @method runValidatorsOnUpdate
* @api private
*/
module.exports = function(query, schema, castedDoc, options) {
var keys = Object.keys(castedDoc || {});
var updatedKeys = {};
var updatedValues = {};
var numKeys = keys.length;
var hasDollarUpdate = false;
var modified = {};
for (var i = 0; i < numKeys; ++i) {
if (keys[i].charAt(0) === '$') {
modifiedPaths(castedDoc[keys[i]], '', modified);
var flat = flatten(castedDoc[keys[i]]);
var paths = Object.keys(flat);
var numPaths = paths.length;
for (var j = 0; j < numPaths; ++j) {
var updatedPath = paths[j].replace('.$.', '.0.');
updatedPath = updatedPath.replace(/\.\$$/, '.0');
if (keys[i] === '$set' || keys[i] === '$setOnInsert') {
updatedValues[updatedPath] = flat[paths[j]];
} else if (keys[i] === '$unset') {
updatedValues[updatedPath] = undefined;
}
updatedKeys[updatedPath] = true;
}
hasDollarUpdate = true;
}
}
if (!hasDollarUpdate) {
modifiedPaths(castedDoc, '', modified);
updatedValues = flatten(castedDoc);
updatedKeys = Object.keys(updatedValues);
}
var updates = Object.keys(updatedValues);
var numUpdates = updates.length;
var validatorsToExecute = [];
var validationErrors = [];
function iter(i) {
var schemaPath = schema._getSchema(updates[i]);
if (schemaPath) {
// gh-4305: `_getSchema()` will report all sub-fields of a 'Mixed' path
// as 'Mixed', so avoid double validating them.
if (schemaPath instanceof Mixed && schemaPath.$fullPath !== updates[i]) {
return;
}
validatorsToExecute.push(function(callback) {
schemaPath.doValidate(
updatedValues[updates[i]],
function(err) {
if (err) {
err.path = updates[i];
validationErrors.push(err);
}
callback(null);
},
options && options.context === 'query' ? query : null,
{updateValidator: true});
});
}
}
for (i = 0; i < numUpdates; ++i) {
iter(i);
}
return function(callback) {
parallel(validatorsToExecute, function() {
if (validationErrors.length) {
var err = new ValidationError(null);
for (var i = 0; i < validationErrors.length; ++i) {
err.errors[validationErrors[i].path] = validationErrors[i];
}
return callback(err);
}
callback(null);
});
};
};
|