shave off unused modules

breve.cabal

@@ -33,11 +33,11 @@ executable breve
   other-extensions:   RecordWildCards, DeriveGeneric,
                       DataKinds, KindSignatures, TypeOperators
   build-depends:      base >=4.8 && <5.0,
-                      warp, warp-tls, tls, blaze-html, blaze-markup,
-                      servant-server, servant, servant-blaze,
+                      warp, warp-tls, tls, blaze-html,
+                      servant, servant-server, servant-blaze,
                       wai, wai-extra, streaming-commons, http-api-data,
-                      transformers, mtl,
-                      text, aeson, bytestring, binary,
+
+                      mtl, text, aeson, bytestring, binary,
                       hashtables, cryptohash, random,
                       configurator, directory
   ghc-options:        -threaded -O2

src/Application.hs

@@ -15,7 +15,6 @@ import Breve.UrlTable
 import Views
 
 -- Misc
-import Data.Monoid
 import Control.Monad.IO.Class  (liftIO)
 import qualified Data.Text.IO  as T
 
@@ -25,19 +24,19 @@ import Data.Aeson               (ToJSON)
 import GHC.Generics             (Generic)
 
 -- HTML replies
-import Text.Blaze.Html5         (Html)
-import Text.Blaze.Renderer.Utf8 (renderMarkup)
+import Text.Blaze.Html5              (Html)
+import Text.Blaze.Html.Renderer.Utf8 (renderHtml)
 
 -- API definition
 import Servant
 import Servant.HTML.Blaze       (HTML)
 import Web.FormUrlEncoded       (FromForm(..), parseUnique)
-import GHC.TypeNats             (Nat)
 
 
 -- * Types
 
 -- | API successful reply
+--
 -- This is the reply returned by the JSON API
 -- handler when the url has been shortned
 -- successfully.
@@ -49,7 +48,7 @@ data ApiReply = ApiReply
 
 instance ToJSON ApiReply
 
--- | This type is just a wrapped around a 'Text'
+-- | This type is just a wrapper around a 'Text'
 -- value. It's used to create a 'FromForm' instance
 -- for a 'Url'.
 newtype UrlForm = UrlForm Text
@@ -92,15 +91,16 @@ type App =
 -- +----------+------+----------------------+
 -- | path     | type | description          |
 -- +==========+======+======================+
--- | /        | POST | upload a new url     |
+-- | /api     | POST | upload a new url     |
 -- +----------+------+----------------------+
 type API =
   "api" :> ReqBody '[FormUrlEncoded] UrlForm :> Post '[JSON] ApiReply
 
 -- | Breve application
---
--- Breve takes as parameters the bind url and the urls table
-breve :: FilePath -> Url -> UrlTable -> Application
+breve :: FilePath    -- ^ static assets path
+      -> Url         -- ^ bind url
+      -> UrlTable    -- ^ url hashtable
+      -> Application
 breve static url table = serve (Proxy :: Proxy Breve) (breveServer static url table)
 
 -- | Empty application
@@ -135,7 +135,7 @@ resolver table name = do
   url <- liftIO (extract table name)
   case url of
     Nothing  ->
-      throwError $ err404 { errBody = renderMarkup (message "404: not found") }
+      throwError $ err404 { errBody = renderHtml (message "404: not found") }
     Just url -> do
       logStr ("Resolved " <> name <> " -> " <> url)
       pure (addHeader url NoContent)

src/Main.hs

@@ -7,7 +7,7 @@ run the Breve webserver.
 module Main where
 
 -- Breve modules
-import Application
+import Application     (breve, emptyApp)
 import Breve.Settings
 import Breve.UrlTable
 import Paths_breve     (getDataFileName)