Monthly Downloads: 11
Programming language: Haskell
License: BSD 2-clause "Simplified" License
Tags: Network    
Latest version: v0.2.2.2

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reddit for haskell CircleCI

A Haskell library for interacting with the Reddit API.

A couple of examples

Let's get all the posts from the frontpage of Reddit and write a summary of each of them to the console:

{-# LANGUAGE OverloadedStrings #-}
import Reddit
import Reddit.Types.Post

import Control.Monad
import Control.Monad.IO.Class
import Data.Monoid
import qualified Data.Text as Text
import qualified Data.Text.IO as Text

main = runRedditAnon $ do
  Listing _ _ posts <- getPosts
  forM_ posts $ \post -> do
    liftIO $ Text.putStrLn $
       "[" <> tshow (score post) <> "] " <>
       title post <> " (" <> tshow (subreddit post) <> ")"

tshow = Text.pack . show

Let's check to see which of a group of users has the highest link karma:

{-# LANGUAGE OverloadedStrings #-}
import Reddit
import Reddit.Types.User

import Data.List
import Data.Ord

usersToCheck = ["nikita-volkov", "simonmar", "bos", "roche"]

main = runRedditAnon $ do
  infos <- mapM (getUserInfo . Username) usersToCheck
  return $ maximumBy (comparing linkKarma) infos


Pure tests

cabal test test

This suite will only run test that don't require doing any IO. Helpful because it runs quickly and isn't subject to any network problems.

Anonymous tests

cabal test test-anon

There's also a suite of tests that can be run anonymously without having to set up a user account and an empty subreddit.

Full IO tests

cabal test test-io

The test test suite will run the tests that don't rely on doing any IO, but the test-io should be used too to ensure that IO functions do what they're supposed to do. If you want to run the IO suite, add a file test_config.yaml to the reddit/ directory, like this:

username: my_reddit_username
password: my_reddit_password
subreddit: test_subreddit # A subreddit that the user has moderator access to
client_id: MY_CLIENT_ID # Your reddit app client ID
client_secret: MY_CLIENT_SECRET # Your reddit app client secret

Your app client and secret can be found in your reddit preferences