Developing Offline Support for Delightful App

Offline photos browsing has been one of the features I have planned since the beginning for Delightful app. Core Data was of course the first thing I considered. However, since I use Mantle to simplify the model layer and JSON serialization, I couldn’t figure out a simple way to mix it with Core Data. In the first version of the app I ended up using simple cache mechanism using TMCache. But the performance was not so good especially when caching thousand of photos.

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