Lens is a very simple yet elegant query builder made in Swift to work with CoreData.

Features

• Chainable method calls
• Generics Support

Requirements

• iOS 7.0+ / Mac OS X 10.9+
• Xcode 6.1

Installation

You can use CocoaPods to integrate Lens in your project. You can install it with the following command

$ gem install cocoapods

Update your Podfile to use Lens

pod 'Lens'

Then, run the following command

$ pod install

Usage

Query all objects from a single entity

lens(forEntity: Person.self, managedObjectContext).look();

Query entities based on their properties.

lens(forEntity: Person.self, managedObjectContext).find(@"name").equals(@"John").look();

Compound your queries.

lens(forEntity: Person.self, managedObjectContext).find(@"name").equals(@"John").and(@"age").equals(26).look();

Sort your results

lens(forEntity: Person.self, inContext: managedObjectContext).sort("name", ascending: true).look();

Who to blame

• Lourenço Marinho (@lopima)

More

Lens is a working in progress so feel free to fork this project and improve it!

License

Lens is released under the MIT license. See LICENSE for details.