From 56b4aef769386e9fbe3b074698451e8b74489d61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Benencia?= <rul@kalgan.cc>
Date: Sun, 1 Sep 2013 21:10:33 -0300
Subject: Email mode working for almost all kind of test-emails

---
 Email.hs    | 20 ++++++++++++++++++--
 Handlers.hs |  3 ++-
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/Email.hs b/Email.hs
index c1c524f..4d310c4 100644
--- a/Email.hs
+++ b/Email.hs
@@ -7,7 +7,7 @@
  -}
 module Email where
 
-import Codec.MIME.Type(MIMEValue(..), MIMEContent(..))
+import Codec.MIME.Type(MIMEValue(..), MIMEContent(..), showMIMEType, Type(..), MIMEType(..))
 import Data.Char(toLower)
 import Data.List(find)
 
@@ -15,7 +15,23 @@ getBody :: MIMEValue -> String
 getBody msg =
   case mime_val_content msg of
     Single c -> c
-    _        -> "Buggity Buggity Buggity!"
+    Multi mvs -> case firstTextPart mvs of
+      Just mv -> unwrapContent . mime_val_content $ mv
+      Nothing -> "Buggity Buggity Buggity!"
+  where
+    unwrapContent (Single c) = c
+
+-- hackish function for showing the email. In he future the logic of this
+-- function should be improved.
+firstTextPart []       = Nothing
+firstTextPart (mv:mvs) = case mime_val_content mv of
+  Single c   -> if isText mv then Just mv else firstTextPart mvs
+  Multi mvs' -> firstTextPart mvs'
+
+  where
+  isText = \mv -> case (mimeType $ mime_val_type mv) of
+    Text text -> True
+    _         -> False
 
 getHeaders :: MIMEValue -> [(String,String)]
 getHeaders = mime_val_headers
diff --git a/Handlers.hs b/Handlers.hs
index 503358b..ccce1d0 100644
--- a/Handlers.hs
+++ b/Handlers.hs
@@ -9,6 +9,7 @@ module Handlers where
 
 import Codec.MIME.Parse(parseMIMEMessage)
 import Codec.MIME.Type(MIMEValue(..))
+import Control.Exception(evaluate)
 import Control.Monad.State
 import Data.List(intercalate, stripPrefix)
 import System.FilePath(FilePath, takeFileName, dropTrailingPathSeparator)
@@ -33,7 +34,7 @@ changeMode :: Mode -> LazymailCurses ()
 changeMode EmailMode   = return ()
 changeMode IndexMode   = do
   st <- get
-  msg <- liftIO $ UTF8.readFile . selectedEmailPath . indexState $ st
+  msg <- liftIO $ UTF8.readFile (selectedEmailPath . indexState $ st)
   let email = parseMIMEMessage msg
   let body = getBody $ email
   let el = formatBody body $ screenColumns st
-- 
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