Tastypie resource and fields for mongodb backends
Last updated 4 years ago by tastypie .
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A Tastypie resource for mongoose.

Install Mongoose Resource
npm install mongoose tastypie-mongoose
Make A mongoose Model
// Make A Mongoose Model
var Schema = new mongoose.Schema({ 
	,index:{type:Number, required:false}
	,guid:{type:String, requierd:false}
}, {collection:'tastypie'})

var Test = connection.model('Test', Schema)
Define A Resource
var tastypie = require("tastypie");
var MongoseResource = require('tastypie-mongoose');

// Default Query
var queryset = Test.find().lean().toConstructor()

// Define A Mongo Resource
var Mongo = MongoseResource.extend({
		queryset: queryset
		firstName: {type:'CharField', attribute:'name.first'} // Remaps name.first to firstName
		,lastName: {type:'CharField', attribute:'name.last'} // Remaps name.last to lastName


You can use a number of special query string params to control how data is paged on the list endpoint. Namely -

  • limit - Page size ( default 25 )
  • offset - The starting point in the list

limit=25&offset=50 would be the start of page 3


sorting is handled query param orderby where you can pass it the name of a field to sort on. Sorting is descending by default. Specifying a negetive field ( -<FOO> ) would flip the order

Advanced Filtering

You might have noticed the filtering field on the schema. One of the things that makes an API "Good" is the ability to use query and filter the data to get very specific subsets of data. Tastypie exposes this through the query string as field and filter combinations. By default, the resource doesn't have anything enabled, you need to specify which filters are allowed on which fields, or specify 1 to allow everything

Filter Types

Filter function
gt greater than
gte greater than or equal to
lt less than
lte less than or equal to
in Value in set ( [ 1,2,3 ])
nin Value Not in set
size Size of set ( array length )
startswith Case Sensitive string match
istartswith Case Insensitive string match
endswith Case Sensitive string match
iendswith Case Insensitive string match
contains Case Sensitive global string match
icontains Case Insensitive global string match
exact ( = ) Exact Case Sensitive string match
iexact Exact Case Insensitive string match
match Matches an item in an array ( elemMatch )

Filters are added by appending a double underscore __ and the filter type to the end of a field name. Given our example, if we wanted to find people who were older than 25, we would use the following URI syntax


Filters are additive for a given field. For example, if we we only wanted people where we between 25 and 45, we would just add another filter


The same double underscore __ syntax is used to access nested fields where the filter is always the last parameter. So we could find people whos age was greater than 25, less than 45 and whose Company Name starts with W


Remember, remapped fields still work for filtering, so the same would also be true for companyName


Resources provide a simple and expressive syntax to query for very specific subsets of data without any of the boilerplate work to set it up. And as you would expect, regular params will map back to exact where applicable



Tastypie supports multiple serialization formats out of the box as well as a way to define your own custom formats. The base serializer class supports xml, json & jsonp by default. You add formats or create your own serialization formats by subclassing the Serializer class and defining the approriate methods. Each format must define a to_<FORMAT> and a from_<FORMAT>. For example, tastypie defines the to_xml and from_xml methods. JSON is defined by to_json, from_json

To get back xml just change the Accept header NOTE: Hapi deals with most application/foo formats, but is blind to text/foo. So the safe bet here is to use text/xml

// curl -H "Accept: text/xml" http://localhost:3000/api/v1/user

<?xml version="1.0" encoding="UTF-8"?>
 <meta type="object">
  <count type="number">100</count>
  <limit type="number">1</limit>
  <offset type="number">0</offset>
  <previous type="null">null</previous>
  <next type="string">/api/v1/meth?limit=25&offset=25</next>
 <data type="array">
  <object type="object">
   <name type="string">Dejesus Zimmerman</name>
   <age type="number">31</age>
   <companyName type="string">AVENETRO</companyName>
   <id type="string">557af820f3c3008b415de02c</id>
   <uri type="string">/api/v1/meth/557af820f3c3008b415de02c</uri>

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