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Active Model Serializers
The ActiveModel::Serializers gem can help you build JSON APIs through serializer objects. This provides a dedicated place to fully customize the JSON output.
(10 minutes)
Public Activity
Learn how to easily add a user activity feed using the public_activity gem. Here I show both the default setup using model callbacks and a manual way to trigger activities.
(10 minutes)
ActiveAttr
ActiveAttr provides what Active Model left out. If you need to create a table-less model with features similar to Active Record, watch this episode.
(5 minutes)
Facebook Authentication
This will show how to create a new facebook application and configure it. Then add some authentication with the omniauth-facebook gem and top it off with a client-side authentication using the JavaScript SDK.
(12 minutes)
Model Versioning
If you need to keep track of a model's history of changes and switch between versions, consider using the vestal_versions gem like I show in this episode.
(9 minutes)
Pretty URLs with FriendlyId
If you are tired of model ids in the URL, overriding to_param can only get you so far. The friendly_id plugin can help by making it easy to generate a URL slug and maintain a history.
(7 minutes)
Tagging
There are several gems to help implement tags in a Rails app. Here I show you how to integrate acts-as-taggable-on and then show how to do it from scratch.
(11 minutes)
Ransack
Ransack allows you to easily build complex search forms. It also helps in adding sortable links and building a dynamic advanced search page.
(10 minutes)
Undo with Paper Trail
Undo and redo behavior is easy to add with a versioning gem such as Paper Trail. Learn how to add an undo link to any model's flash message.
(13 minutes)
OmniAuth Identity
With the release of OmniAuth 1.0 there is a new Identity strategy which allows users to register/login with a password if they don't want to use an external provider.
(11 minutes)