url escape the name for dnschain API

rosa.cabal

@@ -29,7 +29,7 @@ executable rosa
   default-language:    Haskell2010
   other-extensions:    RecordWildCards, OverloadedStrings
   build-depends:       base >=4.8 && <5.0 , aeson, text,
-                       vector, unordered-containers,
+                       vector, uri-encode, unordered-containers,
                        wreq, lens, bytestring, directory,
                        optparse-applicative, namecoin-update
   ghc-options:         -O2

src/Main.hs

@@ -1,22 +1,33 @@
-{-# LANGUAGE RecordWildCards, OverloadedStrings #-}
+{-# LANGUAGE RecordWildCards #-}
+{-# LANGUAGE OverloadedStrings #-}
+
 -- | Main module
 module Main where
 
+-- Rosa modules
 import Json
 
+-- Networking
+import Namecoin                    (rpcRequest, uri)
+import Network.URI.Encode          (encode)
+import Network.Wreq                (get, responseBody)
+
+-- IO
+import Options.Applicative
+import System.Directory            (XdgDirectory(..), getXdgDirectory)
+import qualified Data.Text.IO      as T
+
+-- Data manipulation
+import Data.Text                   (Text)
+import Data.Aeson                  (Value(..), decode, toJSON)
+import Data.HashMap.Strict         (delete)
+import Data.ByteString.Lazy.Char8  (pack, unpack)
+
+-- Misc
+import Data.Maybe                  (fromMaybe)
 import Control.Lens                (view)
 import Control.Monad               (when)
-import Namecoin                    (Error, rpcRequest, uri)
-import Network.Wreq                (get, responseBody)
-import System.Directory            (XdgDirectory(..), getXdgDirectory)
-import Data.Aeson                  (Value(..), decode, toJSON)
-import Data.Maybe                  (fromJust, fromMaybe)
-import Data.HashMap.Strict         (delete)
-import Data.ByteString.Lazy.Char8  (pack)
-import Data.Monoid
-import Options.Applicative
 
-import qualified Data.Text.IO as T
 
 -- * CLI interface
 
@@ -54,7 +65,7 @@ options = Options
   <*> switch
       ( long "block"
      <> short 'b'
-     <> help "Show blockchain data (require local connection)" )
+     <> help "Show blockchain data" )
   <*> switch
       ( long "raw"
      <> short 'r'
@@ -77,7 +88,7 @@ main :: IO ()
 main = execParser description >>= exec where
   exec Options{..} =
     if dnschain
-      then doDnschain url name raw
+      then doDnschain url name raw block
       else doLocal name block conf
 
 
@@ -106,13 +117,18 @@ doLocal name block conf = do
         blockInfo = toJSON (delete "value" res)
 
 
--- | Connect to dnschain api endpoint
-doDnschain :: String -> String -> Bool -> IO ()
-doDnschain url name raw = do
-  body <- view responseBody <$> get (url++"/v1/namecoin/key/"++name)
+-- | Connect to dnschain API endpoint
+doDnschain :: String -> String -> Bool -> Bool -> IO ()
+doDnschain url name raw block = do
+  body <- view responseBody <$> get (url++"/v1/namecoin/key/"++encode name)
   if raw
-    then print body
-    else putStrLn $
+    then putStrLn (unpack body)
+    else do
       case decode body of
-        Just res -> repr res
-        Nothing  -> "Error parsing data"
+        Nothing  -> putStrLn "Error parsing data"
+        Just res -> putStrLn $
+            if block
+              then repr res
+              else repr $ (res .| "data") .| "value"
+
+  where (Object x) .| y = x |. y