public static RedditState Reduce(RedditState state, IAction action)
{
if (state == null)
{
state = new RedditState();
}
// combineReducer
state.selectedSubreddit = SelectedSubredditReducer(state.selectedSubreddit, action);
state.postsBySubreddit = PostsBySubredditReducer(state.postsBySubreddit, action);
return(state);
}
private static bool ShouldFetchPosts(RedditState state, string subreddit)
{
if (state == null)
{
return(true);
}
if (!state.postsBySubreddit.TryGetValue(subreddit, out var post))
{
return(true);
}
if (post.isFetching)
{
return(false);
}
return(post.didInvalidate);
}