Viper Module Generator

Gem to generate VIPER modules to use them in your Objective-C/Swift projects The implementation scheme returned by this generator is hardly inspired in the example and post of Objc.io, http://www.objc.io/issue-13/viper.html .

• Features
  • Changelog
  • Expected in version 0.2
• Viper files structure
• How to install vipergen
• How to generate a VIPER module with a given name?
• Developer tips
  • Update the gem
  • Add a new template
• Resources

Features

• Generates the module in Swift and Objective-C
• Ready to be installed as a gem https://rubygems.org/gems/VIPERGen

Changelog 0.1.6

• Added templates command to know which templates are available
• YAML file in each template with the information about the template (more scalable)

Changelog 0.1

• Added default template
• Fully components tested

Expected in version 0.2

• Example project of Redbooth login with notifications
• FetchedResultsController template
• Default template in Swift
• Login template
• Integrate with XCode as a plugin (http://nshipster.com/xcode-plugins/)

Viper files structure

.objc
+-- DataManager
|   +-- VIPERDataManager.h
|   +-- VIPERDataManager.m
+-- Interactor
|   +-- VIPERInteractor.h
|   +-- VIPERInteractor.m
+-- Presenter
|   +-- VIPERPresenter.h
|   +-- VIPERPresenter.m
+-- ViewController
|   +-- VIPERViewController.h
|   +-- VIPERViewController.m
+-- WireFrame
|   +-- VIPERWireFrame.h
|   +-- VIPERWireFrame.m
+-- Protocols
|   +-- VIPERProtocols.h
.swift
+-- DataManager
|   +-- VIPERDataManager.swift
+-- Interactor
|   +-- VIPERInteractor.swift
+-- Presenter
|   +-- VIPERPresenter.swift
+-- ViewController
|   +-- VIPERViewController.swift
+-- WireFrame
|   +-- VIPERWireFrame.swift
+-- Protocols
|   +-- VIPERProtocols.swift

How to install vipergen ?

You can install it easily as using the gem. With ruby installed in your OSX execute:

sudo gem install vipergen

If everything were right, you should have now the vipergem command available in your system console

How to generate a VIPER module with a given name?

You have just to execute the following command

vipergen generate MyFirstViperModule --path=~/myproject/shared

And then the files structure will be automatically created. Don't forget to add this folder to your project dragging it into the XCode/Appcode inspector

Developer tips

Update the gem

When the gem is updated it has to be reported to the gem repository. I followed this tutorial http://amaras-tech.co.uk/article/43/Creating_executable_gems that basically says that once you have your gem ready execute:

gem build vipergen.gemspec
gem install vipergen-0.1.gem
gem push vipergen-0.1.gem

Then you'll be asked for your credentials in order to make the update in the repo (http://guides.rubygems.org/publishing/)

Add a new template

Are you interested in VIPER and you would like to contribute with this gem adding new templates? Feel free to do it. It's pretty easy. You've just to:

• Create a folder inside templates with the name of your template
• You'll have to create inside the templates in both languages, Swift and Objective-C (get inspired from existing templates)
• Use the word VIPER where you want the name to be replaced in.
• Remember to add the file viperspec.yml with the description of your template as below:

author: pepi
author_email: [email protected]
template_description: Default template with the simplest structure using VIPER
updated_at: 2014-08-24

• Report it as a PR in this repo updating the gem version in Gemspec.

Resources

• Rspec documentation: http://rubydoc.info/gems/rspec-expectations/frames
• XCode Plugins: http://nshipster.com/xcode-plugins/
• XCodeProj gem (to modify project groups structure): https://github.com/CocoaPods/Xcodeproj
• Thor, powerful Ruby library for command line: http://whatisthor.com/

Contact

If you have any doubt about the gem or even if you want to make any suggestion you can do it directly to my email address, [email protected] . You can use the issues Github page too