From 4de52f287fd9f0cdae9b6cb55678e85458cbbc04 Mon Sep 17 00:00:00 2001
From: Joris Guyonvarch
Date: Wed, 15 Apr 2015 00:10:22 +0200
Subject: Adding a title to the mail

---
 src/AdListener.hs | 52 +++++++++++++++++-----------------------------------
 src/Mail.hs       | 17 ++++++++++++++---
 src/View/Ad.hs    | 42 +++++++++++++++++++++++++++++++++++++++---
 3 files changed, 70 insertions(+), 41 deletions(-)

diff --git a/src/AdListener.hs b/src/AdListener.hs
index 04e070b..1de56dc 100644
--- a/src/AdListener.hs
+++ b/src/AdListener.hs
@@ -17,7 +17,7 @@ import Model.Ad
 import Model.URL
 import Model.Resume
 
-import View.Ad (renderAds)
+import View.Ad
 
 import Page
 import Parser.Detail
@@ -63,50 +63,32 @@ listenToNewAdsWithResumes config viewedURLs resumes =
               time <- getCurrentFormattedTime
               if not (null newAds)
                 then
-                  let message = newAdsMessage time newAds
+                  let message = renderConsoleAds time newAds
                   in  do
                         T.putStrLn message
-                        trySendMail config message
+                        trySendMail config newAds
                 else
                   return ()
               waitOneMinute
               listenToNewAdsWithViewedURLs config (viewedURLs ++ newURLs)
 
-trySendMail :: Config -> Text -> IO ()
-trySendMail config message =
+trySendMail :: Config -> [Ad] -> IO ()
+trySendMail config ads =
   case C.mailTo config of
-    Just mailTo ->
-      do
-        eitherMailSuccess <- sendMail mailTo message
-        case eitherMailSuccess of
-          Right () ->
-            putStrLn "Mail sent."
-          Left error ->
-            T.putStrLn . T.concat $
-              [ "Error sending mail: "
-              , error
-              ]
     Nothing ->
       return ()
-
-newAdsMessage :: Text -> [Ad] -> Text
-newAdsMessage time newAds =
-  let newAdsMessage =
-        T.concat
-          [ "\nAt "
-          , time
-          , ", got "
-          , T.pack . show . length $ newAds
-          , " new ad"
-          , if length newAds > 1 then "s" else ""
-          ]
-      line = T.map (\_ -> '-') newAdsMessage
-  in  T.intercalate
-        "\n"
-        [ newAdsMessage
-        , T.concat [line, "\n"]
-        , renderAds newAds
-        ]
+    Just mailTo ->
+      let (title, message) = renderAds ads
+      in  do
+            eitherMailSuccess <- sendMail mailTo title message
+            case eitherMailSuccess of
+              Right () ->
+                putStrLn "\nMail sent."
+              Left error ->
+                T.putStrLn . T.concat $
+                  [ "\nError sending mail: "
+                  , error
+                  ]
 
 listenError :: Config -> [URL] -> Text -> IO ()
 listenError config viewedURLs error = do
diff --git a/src/Mail.hs b/src/Mail.hs
index bb96142..5fc2f24 100644
--- a/src/Mail.hs
+++ b/src/Mail.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE OverloadedStrings #-}
+
 module Mail
   ( sendMail
   ) where
@@ -11,10 +13,19 @@ import Network.Email.Sendmail (sendmail)
 
 import Utils.Either (mapLeft)
 
-sendMail :: [Text] -> Text -> IO (Either Text ())
-sendMail mailTo body =
+sendMail :: [Text] -> Text -> Text -> IO (Either Text ())
+sendMail mailTo subject message =
   let from = Just "no-reply@leboncoin-listener.com"
-  in  safeSendMail from (map T.unpack $ mailTo) (T.unpack body)
+  in  safeSendMail from (map T.unpack $ mailTo) (T.unpack $ makeBody subject message)
+
+makeBody :: Text -> Text -> Text
+makeBody subject message =
+  T.concat
+    [ "Subject: "
+    , subject
+    , "\n\n"
+    , message
+    ]
 
 safeSendMail :: Maybe String -> [String] -> String -> IO (Either Text ())
 safeSendMail from to body =
diff --git a/src/View/Ad.hs b/src/View/Ad.hs
index 6f094ee..acf0839 100644
--- a/src/View/Ad.hs
+++ b/src/View/Ad.hs
@@ -1,7 +1,8 @@
 {-# LANGUAGE OverloadedStrings #-}
 
 module View.Ad
-  ( renderAds
+  ( renderConsoleAds
+  , renderAds
   ) where
 
 import Data.List (intersperse)
@@ -16,8 +17,43 @@ import qualified Model.Resume as Resume
 import Model.Detail (Detail(..))
 import qualified Model.Detail as Detail
 
-renderAds :: [Ad] -> Text
-renderAds = T.intercalate "\n\n" . map renderAd
+renderConsoleAds :: Text -> [Ad] -> Text
+renderConsoleAds time ads =
+  let (title, message) = renderAds ads
+      titleWithTime =
+        T.concat
+          [ "\n["
+          , time
+          , "] "
+          , title
+          ]
+      line = T.map (\_ -> '-') title
+  in  T.intercalate
+        "\n"
+        [ titleWithTime
+        , line
+        , ""
+        , message
+        ]
+
+renderAds :: [Ad] -> (Text, Text)
+renderAds ads =
+  let titleMessage = renderTitle $ length ads
+      adsMessage = T.intercalate "\n\n" . map renderAd $ ads
+  in  (titleMessage, adsMessage)
+
+renderTitle :: Int -> Text
+renderTitle count =
+  T.concat
+    [ T.pack . show $ count
+    , agreement " nouvelle"
+    , agreement " annonce"
+    ]
+  where agreement word =
+          T.concat
+            [ word
+            , if count > 1 then "s" else ""
+            ]
 
 renderAd :: Ad -> Text
 renderAd ad =
-- 
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