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module Fig.Web.Module.User
( public
) where
import Fig.Prelude
import Data.Maybe (mapMaybe)
import qualified Data.Text as Text
import qualified Data.ByteString.Char8 as BS.C8
import qualified Data.Map.Strict as Map
import qualified Data.Aeson as Aeson
import Fig.Web.Utils
import Fig.Web.Types
import qualified Fig.Web.DB as DB
getText :: MonadIO m => DB -> ByteString -> m (Maybe Text)
getText db key = do
DB.get db key >>= \case
Nothing -> pure Nothing
Just v -> pure . eitherToMaybe $ decodeUtf8' v
getTextList :: MonadIO m => DB -> ByteString -> m [Text]
getTextList db key = do
xs <- DB.lrange db key 0 (-1)
pure $ mapMaybe (eitherToMaybe . decodeUtf8') xs
getTextValuedMap :: MonadIO m => DB -> ByteString -> m (Map.Map Text Text)
getTextValuedMap db key = do
vs <- Map.toList <$> DB.hgetall db key
pure . Map.fromList $ flip mapMaybe vs \(k, v) -> do
tk <- eitherToMaybe $ decodeUtf8' k
tv <- eitherToMaybe $ decodeUtf8' v
Just (tk, tv)
getIntegerValuedMap :: MonadIO m => DB -> ByteString -> m (Map.Map Text Integer)
getIntegerValuedMap db key = do
vs <- Map.toList <$> DB.hgetall db key
pure . Map.fromList $ flip mapMaybe vs \(k, v) -> do
tk <- eitherToMaybe $ decodeUtf8' k
(iv, _) <- BS.C8.readInteger v
Just (tk, iv)
data UserInfo = UserInfo
{ stats :: Map.Map Text Integer
, talents :: Map.Map Text Integer
, properties :: Map.Map Text Text
, badges :: [Text]
} deriving Generic
instance Aeson.ToJSON UserInfo
getUserInfo :: MonadIO m => DB -> ByteString -> m UserInfo
getUserInfo db uid = do
stats <- getIntegerValuedMap db $ "user:stats:" <> uid
talents <- getIntegerValuedMap db $ "user:talents:" <> uid
properties <- getTextValuedMap db $ "user:properties:" <> uid
badges <- getTextList db $ "user:badges:" <> uid
pure UserInfo{..}
data TalentInfo = TalentInfo
{ tid :: Text
, name :: Text
, desc :: Text
} deriving Generic
instance Aeson.ToJSON TalentInfo
getTalentInfo :: MonadIO m => DB -> Text -> m (Maybe TalentInfo)
getTalentInfo db tid = do
mnm <- DB.hget db "talent:name" $ encodeUtf8 tid
mdesc <- DB.hget db "talent:desc" $ encodeUtf8 tid
let mres = (,)
<$> (eitherToMaybe . decodeUtf8' =<< mnm)
<*> (eitherToMaybe . decodeUtf8' =<< mdesc)
case mres of
Just (name, desc) -> pure $ Just TalentInfo{..}
Nothing -> pure Nothing
public :: PublicModule
public a = do
-- legacy user API
onGet "/api/user/:name" do
name <- Text.toLower <$> pathParam "name"
DB.get a.db ("user:" <> encodeUtf8 name) >>= \case
Nothing -> do
status status404
respondText "user not found"
Just val -> respondText $ decodeUtf8 val
-- username to id mapping
onGet "/api/user-id/:name" do
name <- pathParam "name"
getText a.db ("user-id:" <> encodeUtf8 (Text.toLower name)) >>= \case
Nothing -> do
status status404
respondText "username not found"
Just val -> respondText val
-- users
onGet "/api/user/info/:uid" do -- get everything bundled together
uid <- pathParam "uid"
info <- getUserInfo a.db uid
case Map.lookup "name" info.properties of
Just _ -> respondJSON info
Nothing -> do
status status404
respondText "no such user"
onGet "/api/user/stats/:uid" do
uid <- pathParam "uid"
respondJSON =<< getIntegerValuedMap a.db ("user:stats:" <> uid)
onGet "/api/user/talents/:uid" do
uid <- pathParam "uid"
respondJSON =<< getIntegerValuedMap a.db ("user:talents:" <> uid)
onGet "/api/user/properties/:uid" do
uid <- pathParam "uid"
respondJSON =<< getTextValuedMap a.db ("user:properties:" <> uid)
onGet "/api/user/badges/:uid" do
uid <- pathParam "uid"
respondJSON =<< getTextList a.db ("user:badges:" <> uid)
onGet "/api/user/avatar/:uid.png" do
uuidpng <- pathParam "uid.png"
case Text.stripSuffix ".png" uuidpng of
Nothing -> do
status status400
respondText "malformed user avatar path"
Just uid -> DB.get a.db ("user:avatar:" <> encodeUtf8 uid) >>= \case
Nothing -> do
addHeader "Content-Type" "image/png"
respondBytes "\137PNG\r\n\SUB\n\NUL\NUL\NUL\rIHDR\NUL\NUL\NUL\STX\NUL\NUL\NUL\STX\b\ACK\NUL\NUL\NULr\182\r$\NUL\NUL\NUL\SOHsRGB\NUL\174\206\FS\233\NUL\NUL\NUL\SUBIDAT\b\153cd``\248\207T)\206\192\192T)\254\159\129\129\225?\NUL\RS\188\EOT#\137b%\ACK\NUL\NUL\NUL\NULIEND\174B`\130"
Just img -> do
addHeader "Content-Type" "image/png"
respondBytes img
-- talents
onGet "/api/talents" do
names <- DB.hgetall a.db "talent:name"
descs <- DB.hgetall a.db "talent:desc"
respondJSON $ Map.intersectionWithKey
(\tid name desc -> TalentInfo{..})
(Map.fromList $ bimap decodeUtf8 decodeUtf8 <$> Map.toList names)
(Map.fromList $ bimap decodeUtf8 decodeUtf8 <$> Map.toList descs)
onGet "/api/talent/:tid" do
tid <- pathParam "tid"
getTalentInfo a.db tid >>= \case
Nothing -> do
status status404
respondText "talent not found"
Just t -> respondJSON t
onGet "/api/talent/icon/:tid.png" do
tidpng <- pathParam "tid.png"
case Text.stripSuffix ".png" tidpng of
Nothing -> do
status status400
respondText "malformed talent icon path"
Just tid -> DB.hget a.db "talent:icon" (encodeUtf8 tid) >>= \case
Nothing -> do
status status404
respondText "talent not found"
Just img -> do
addHeader "Content-Type" "image/png"
respondBytes img
-- badges
onGet "/api/badge/:uuid" do
uuid <- pathParam "uuid"
respondJSON =<< getTextList a.db ("badge:" <> uuid)
|
