fix option parsing & settings

scaffold.hs

@@ -100,6 +100,7 @@ scaffold = do
     mkDir "static/css"
     mkDir "config"
 
+    writeFile' ("config/Settings.yaml") $(codegen "Settings_yaml")
     writeFile' ("config/" ++ project ++ ".hs") $(codegen "test_hs")
     writeFile' (project ++ ".cabal") $ if backendS == "m" then $(codegen "mini-cabal") else $(codegen "cabal")
     writeFile' ".ghci" $(codegen "dotghci")

scaffold/Settings_hs.cg

@@ -76,7 +76,7 @@ data AppConfig = AppConfig {
 
 loadConfig :: AppEnvironment -> IO AppConfig
 loadConfig env = do
-    allSettings <- (join $ decodeFile ("Settings.yaml" :: String)) >>= fromMapping
+    allSettings <- (join $ decodeFile ("config/Settings.yaml" :: String)) >>= fromMapping
     settings <- lookupMapping (show env) allSettings
     appPortS <- lookupScalar "appPort" settings
     appRootS <- lookupScalar "appRoot" settings
@@ -84,7 +84,7 @@ loadConfig env = do
     return $ AppConfig {
       appEnv = env
     , appPort = read $ appPortS
-    , appRoot = read $ appRootS
+    , appRoot = read $ (show appRootS)
     , connectionPoolSize = read $ connectionPoolSizeS
     }
 

scaffold/Settings_yaml.cg

@@ -1,7 +1,7 @@
-Default: &default
+Default: &defaults
   appRoot: http://localhost
   appPort: 3000
-  connectionPoolLimit: 10
+  connectionPoolSize: 10
 
 Development:
   <<: *defaults

scaffold/test_hs.cg

@@ -1,5 +1,6 @@
 {-# LANGUAGE CPP, DeriveDataTypeable #-}
 import qualified Settings as Settings
+import Settings (AppConfig(..))
 import Controller (with~sitearg~)
 import Network.Wai.Handler.Warp (run)
 import System.Console.CmdArgs
@@ -8,44 +9,49 @@ import Data.Char (toUpper, toLower)
 #if PRODUCTION
 main :: IO ()
 main = do
-    appEnv <- getAppEnv
+    args <- cmdArgs argConfig
+    appEnv <- getAppEnv args
     config <- Settings.loadConfig appEnv
-    with~sitearg~ config $ run (Settings.appPort settings)
+    let c = if (port args) /= 0 then config {appPort = (port args) } else config
+    with~sitearg~ c $ run (appPort c)
 
 #else
+
 import System.IO (hPutStrLn, stderr)
 import Network.Wai.Middleware.Debug (debug)
-
 main :: IO ()
 main = do
-    appEnv <- getAppEnv
+    args <- cmdArgs argConfig
+    appEnv <- getAppEnv args
     config <- Settings.loadConfig appEnv
-    hPutStrLn stderr $ "Application launched, listening on port " ++ show (Settings.appPort config)
-    with~sitearg~ config $ run (Settings.appPort config) . debug
+    let c = if (port args) /= 0 then config {appPort = (port args) } else config
+    do hPutStrLn stderr $ "Application launched, listening on port " ++ show (appPort c)
+       with~sitearg~ c $ run (appPort c) . debug
 #endif
 
-data ArgConfig = ArgConfig {environment :: String}
+data ArgConfig = ArgConfig {environment :: String, port :: Int}
                  deriving (Show, Data, Typeable)
 
-config = ArgConfig{ environment = def
-  &= help "application environment, one of:" ++ (foldl1 (++) environments)
+argConfig = ArgConfig{ environment = def 
+  &= help ("application environment, one of: " ++ (foldl1 (\a b -> a ++ ", " ++ b) environments))
   &= typ "ENVIRONMENT"
-#if PRODUCTION
-  &= opt "production"
-#else
-  &= opt "development"
-#endif
+  ,port = def &= typ "PORT"
 }
 
 environments :: [String]
-environments = map show ([minBound..maxBound] :: [Settings.AppEnvironment])
-
+environments = map ((map toLower) . show) ([minBound..maxBound] :: [Settings.AppEnvironment])
 
 -- | retrieve the -e environment option
-getAppEnv :: IO Settings.AppEnvironment
-getAppEnv = do
-    cfg <- cmdArgs config
-    return $ read $ capitalize $ environment cfg
+getAppEnv :: ArgConfig ->  IO Settings.AppEnvironment
+getAppEnv cfg = do
+    let e = if (environment cfg) /= "" then (environment cfg)
+            else
+#if PRODUCTION
+                  "production"
+#else
+                  "development"
+#endif
+    return $ read $ capitalize e
   where
     capitalize [] = []
     capitalize (x:xs) = toUpper x : map toLower xs

tests/runscaffold.sh

@@ -1,6 +1,4 @@
 #!/bin/sh
 
-cd .. &&
 cabal clean && cabal install &&
-rm -rf foobar && runghc scaffold.hs init < sample-input.txt && cd foobar && cabal install && cabal install -fdevel && cd .. &&
-cd tests
+  rm -rf foobar && runghc scaffold.hs init < tests/sample-input.txt && cd foobar && cabal install && cabal install -fdevel && cd ..