schema.js
1.88 KB
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
/**
* Module dependencies.
*/
var mongoose = require('mongoose')
, Schema = mongoose.Schema;
/**
* Schema definition
*/
// recursive embedded-document schema
var Comment = new Schema();
Comment.add({
title : { type: String, index: true }
, date : Date
, body : String
, comments : [Comment]
});
var BlogPost = new Schema({
title : { type: String, index: true }
, slug : { type: String, lowercase: true, trim: true }
, date : Date
, buf : Buffer
, comments : [Comment]
, creator : Schema.ObjectId
});
var Person = new Schema({
name: {
first: String
, last : String
}
, email: { type: String, required: true, index: { unique: true, sparse: true } }
, alive: Boolean
});
/**
* Accessing a specific schema type by key
*/
BlogPost.path('date')
.default(function(){
return new Date()
})
.set(function(v){
return v == 'now' ? new Date() : v;
});
/**
* Pre hook.
*/
BlogPost.pre('save', function(next, done){
emailAuthor(done); // some async function
next();
});
/**
* Methods
*/
BlogPost.methods.findCreator = function (callback) {
return this.db.model('Person').findById(this.creator, callback);
}
BlogPost.statics.findByTitle = function (title, callback) {
return this.find({ title: title }, callback);
}
BlogPost.methods.expressiveQuery = function (creator, date, callback) {
return this.find('creator', creator).where('date').gte(date).run(callback);
}
/**
* Plugins
*/
function slugGenerator (options){
options = options || {};
var key = options.key || 'title';
return function slugGenerator(schema){
schema.path(key).set(function(v){
this.slug = v.toLowerCase().replace(/[^a-z0-9]/g, '').replace(/-+/g, '');
return v;
});
};
};
BlogPost.plugin(slugGenerator());
/**
* Define model.
*/
mongoose.model('BlogPost', BlogPost);
mongoose.model('Person', Person);