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Diffstat (limited to 'fig-web/src/Fig/Web.hs')
| -rw-r--r-- | fig-web/src/Fig/Web.hs | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/fig-web/src/Fig/Web.hs b/fig-web/src/Fig/Web.hs new file mode 100644 index 0000000..60dbbe7 --- /dev/null +++ b/fig-web/src/Fig/Web.hs @@ -0,0 +1,181 @@ +{-# Language QuasiQuotes #-} + +module Fig.Web where + +import Fig.Prelude + +import System.Random (randomRIO) + +import Control.Monad (unless) +import Control.Lens (use, (^?), Ixed (..)) +import qualified Control.Concurrent.Chan as Chan +import qualified Control.Concurrent.MVar as MVar + +import Data.Maybe (mapMaybe) +import qualified Data.Text as Text +import qualified Data.Text.Lazy as Text.L +import qualified Data.ByteString.Base64 as BS.Base64 +import qualified Data.Set as Set + +import qualified Network.Wai as Wai +-- import qualified Network.Wai.Middleware.Static as Wai.Static +import qualified Network.Wai.Handler.Warp as Warp +import qualified Network.WebSockets as WS + +import qualified Web.Scotty as Sc + +import Fig.Utils.SExpr +import Fig.Bus.Client +import Fig.Web.Utils +import Fig.Web.Auth +import Fig.Web.State +import qualified Fig.Web.DB as DB + +data LiveEvent + = LiveEventOnline !(Set.Set Text) + | LiveEventOffline !(Set.Set Text) + deriving (Show, Eq, Ord) + +server :: Config -> (Text, Text) -> IO () +server cfg busAddr = do + log $ "Web server running on port " <> tshow cfg.port + liveEvents <- Chan.newChan @LiveEvent + currentlyLive <- MVar.newMVar Set.empty + busClient busAddr + (\cmds -> do + log "Connected to bus!" + cmds.subscribe [sexp|(monitor twitch stream online)|] + Warp.run cfg.port =<< app cfg cmds liveEvents currentlyLive + ) + (\_cmds d -> do + case d of + SExprList (ev:rest) + | ev == [sexp|(monitor twitch stream online)|] -> do + let live = mapMaybe (\case SExprString s -> Just s; _ -> Nothing) rest + let new = Set.fromList live + old <- MVar.swapMVar currentlyLive new + let online = Set.difference new old + let offline = Set.difference old new + unless (Set.null online) . Chan.writeChan liveEvents $ LiveEventOnline online + unless (Set.null offline) . Chan.writeChan liveEvents $ LiveEventOnline offline + _ -> log $ "Invalid event: " <> tshow d + ) + (pure ()) + +sexprStr :: Text -> SExpr +sexprStr = SExprString . BS.Base64.encodeBase64 . encodeUtf8 + +app :: Config -> Commands IO -> Chan.Chan LiveEvent -> MVar.MVar (Set.Set Text) -> IO Wai.Application +app cfg cmds liveEvents currentlyLive = do + log "Connecting to database..." + db <- DB.connect cfg + log "Connected! Server active." + st <- stateRef + Sc.scottyApp do + -- Sc.middleware $ Wai.Static.staticPolicy $ Wai.Static.addBase cfg.assetPath + Sc.get "/" $ Sc.redirect "/index.html" + Sc.get "/api/check" $ authed cfg \auth -> do + Sc.json @[Text] [auth.id, auth.name] + Sc.put "/api/buffer" do + buf <- withState st $ use buffer + Sc.text $ Text.L.fromStrict buf + Sc.get "/api/motd" do + DB.get db "motd" >>= \case + Nothing -> Sc.text "" + Just val -> Sc.text . Text.L.fromStrict $ decodeUtf8 val + Sc.get "/api/catchphrase" do + let catchphrases = + [ "vtuber (male)" + , "man of letters" + , "cool guy, online" + , "internet clown man" + , "professional emacs fan" + , "web freak" + , "guy who really likes programming" + , "i use nixos btw" + , "(are these funny or cringe or both?)" + , "haha yay" + , "Joel" + ] :: [Text] + i <- randomRIO (0, length catchphrases - 1) + case catchphrases ^? ix i of + Nothing -> Sc.text "man of letters" + Just val -> Sc.text $ Text.L.fromStrict val + Sc.get "/api/user/:name" do + name <- Text.toLower <$> Sc.pathParam "name" + DB.get db ("user:" <> encodeUtf8 name) >>= \case + Nothing -> do + Sc.status status404 + Sc.text "user not found" + Just val -> Sc.text . Text.L.fromStrict $ decodeUtf8 val + Sc.post "/api/redeem" do + me <- Text.toLower <$> Sc.formParam "ayem" + name <- Sc.formParam "name" + input <- Sc.formParamMaybe "input" + liftIO $ cmds.publish [sexp|(frontend redeem incoming)|] + $ mconcat + [ [ sexprStr me + , sexprStr name + ] + , maybe [] ((:[]) . sexprStr) input + ] + Sc.text "it worked" + Sc.get "/api/songs" do + DB.hvals db "songnames" >>= \case + Nothing -> do + Sc.status status404 + Sc.text "no sounds found :(" + Just songs -> Sc.text . Text.L.fromStrict . pretty . SExprList @Void $ SExprString . decodeUtf8 <$> songs + Sc.get "/api/song/:hash" do + hash <- Sc.pathParam "hash" + DB.hget db "songnotes" hash >>= \case + Nothing -> do + Sc.status status404 + Sc.text "song not found" + Just val -> Sc.text . Text.L.fromStrict $ decodeUtf8 val + Sc.get "/api/poke/:name" do + target <- encodeUtf8 . Text.toLower <$> Sc.pathParam "name" + inbox <- fromMaybe [] <$> DB.smembers db ("pokeinbox:" <> target) + Sc.text . Text.L.fromStrict . pretty . SExprList @Void $ sexprStr . decodeUtf8 <$> inbox + Sc.post "/api/poke/:name" do + me <- encodeUtf8 . Text.toLower <$> Sc.formParam "ayem" + target <- encodeUtf8 . Text.toLower <$> Sc.pathParam "name" + DB.sismember db ("pokeinbox:" <> me) target >>= \case + True -> do + log . tshow $ "handshake between " <> me <> " and " <> target <> " complete!" + DB.srem db ("pokeinbox:" <> target) [me] + DB.srem db ("pokeinbox:" <> me) [target] + Sc.text "complete" + False -> do + log . tshow $ "partial handshake from " <> me <> " to " <> target + DB.sadd db ("pokeinbox:" <> target) [me] + Sc.text "partial" + Sc.get "/api/sentiment" do + s <- DB.get db "sentiment" >>= \case + Nothing -> pure "0" + Just x -> pure x + Sc.text . Text.L.fromStrict . decodeUtf8 $ s + Sc.post "/api/sentiment/green" do + DB.incr db "sentiment" + Sc.post "/api/sentiment/red" do + DB.decr db "sentiment" + Sc.get "/api/circle" do + live <- liftIO $ MVar.readMVar currentlyLive + Sc.text . Text.L.fromStrict . pretty . SExprList @Void $ SExprString <$> Set.toList live + websocket "/api/circle/events" \conn -> do + c <- Chan.dupChan liveEvents + forever do + ev <- liftIO $ Chan.readChan c + WS.sendTextData conn $ case ev of + LiveEventOnline online -> + pretty $ SExprList @Void + [ SExprString "online" + , SExprList $ SExprString <$> Set.toList online + ] + LiveEventOffline offline -> + pretty $ SExprList @Void + [ SExprString "offline" + , SExprList $ SExprString <$> Set.toList offline + ] + Sc.notFound do + Sc.text "not found" |
