Add local search

Main.hs

@@ -1,16 +1,24 @@
-{-# LANGUAGE RecordWildCards #-}
+{-# LANGUAGE RecordWildCards, OverloadedStrings #-}
 
-import Network.Wreq (get, responseBody)
-import System.Console.ArgParser
+import Network.Wreq        (get, responseBody)
+import Data.Aeson          (decode, toJSON)
+import Data.Maybe          (fromJust)
+import Data.HashMap.Strict (delete)
+import Control.Monad       (when)
 import Control.Lens
-import Data.Aeson
+
+import qualified Data.ByteString.Lazy.Char8 as C
+import System.Console.ArgParser
+import System.Process
 import Json
 
+
 data Name = Name 
   { name  :: String
   , url   :: String
   , local :: Bool
-  , raw :: Bool
+  , block :: Bool
+  , raw   :: Bool
   } deriving (Show)
 
 parser :: ParserSpec Name
@@ -18,6 +26,7 @@ parser = Name
   `parsedBy` reqPos   "name"                           `Descr` "Namecoin name id"
   `andBy`    optPos   "http://dns.dnschain.net/" "url" `Descr` "Use custom dnschain API url"
   `andBy`    boolFlag "local"                          `Descr` "Use local namecoind db"
+  `andBy`    boolFlag "block"                          `Descr` "Show blockchain data (require local connecton)"
   `andBy`    boolFlag "raw"                            `Descr` "Print raw JSON data"
 
 main :: IO ()
@@ -25,10 +34,23 @@ main = mkApp parser >>= flip runApp exec
 
 exec :: Name -> IO ()
 exec args@Name{..} = 
-  if local then putStrLn "to do"
+  if local
+  then do
+    out <- readProcess "namecoind" ["name_show", name] ""
+    case decode $ C.pack out of
+      Just res -> do
+        putStrLn $ repr value
+        when block $ putStrLn (repr extra)
+        where
+          value = fromJust . decode . C.pack $ res |: "value"
+          extra = toJSON $ delete "value" res
+      Nothing  -> putStrLn "Error parsing data"
   else do
 	  req <- get (url ++ name)
-	  if raw then print $ req ^. responseBody
-	  else case decode (req ^. responseBody) of
+	  print args
+	  let body = req ^. responseBody
+	  if raw
+	  then print body
+	  else case decode body of
 		  Just res -> putStrLn $ repr res
 		  Nothing  -> putStrLn "Error parsing data"