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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</span>
<a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Yesod</span><span class='hs-varop'>.</span><span class='hs-conid'>Default</span><span class='hs-varop'>.</span><span class='hs-conid'>Main</span>
<a name="line-4"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>defaultMain</span>
<a name="line-5"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>defaultRunner</span>
<a name="line-6"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>defaultDevelApp</span>
<a name="line-7"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-8"></a>
<a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Yesod</span><span class='hs-varop'>.</span><span class='hs-conid'>Default</span><span class='hs-varop'>.</span><span class='hs-conid'>Config</span>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Yesod</span><span class='hs-varop'>.</span><span class='hs-conid'>Logger</span> <span class='hs-layout'>(</span><span class='hs-conid'>Logger</span><span class='hs-layout'>,</span> <span class='hs-varid'>defaultDevelopmentLogger</span><span class='hs-layout'>,</span> <span class='hs-varid'>logString</span><span class='hs-layout'>)</span>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Wai</span> <span class='hs-layout'>(</span><span class='hs-conid'>Application</span><span class='hs-layout'>)</span>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Wai</span><span class='hs-varop'>.</span><span class='hs-conid'>Handler</span><span class='hs-varop'>.</span><span class='hs-conid'>Warp</span>
<a name="line-13"></a> <span class='hs-layout'>(</span><span class='hs-varid'>runSettings</span><span class='hs-layout'>,</span> <span class='hs-varid'>defaultSettings</span><span class='hs-layout'>,</span> <span class='hs-varid'>settingsPort</span><span class='hs-layout'>)</span>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesDirectoryExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>removeDirectoryRecursive</span><span class='hs-layout'>)</span>
<a name="line-15"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Wai</span><span class='hs-varop'>.</span><span class='hs-conid'>Middleware</span><span class='hs-varop'>.</span><span class='hs-conid'>Gzip</span> <span class='hs-layout'>(</span><span class='hs-varid'>gzip</span><span class='hs-layout'>,</span> <span class='hs-conid'>GzipFiles</span> <span class='hs-layout'>(</span><span class='hs-conid'>GzipCacheFolder</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>gzipFiles</span><span class='hs-layout'>,</span> <span class='hs-varid'>def</span><span class='hs-layout'>)</span>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Wai</span><span class='hs-varop'>.</span><span class='hs-conid'>Middleware</span><span class='hs-varop'>.</span><span class='hs-conid'>Autohead</span> <span class='hs-layout'>(</span><span class='hs-varid'>autohead</span><span class='hs-layout'>)</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Wai</span><span class='hs-varop'>.</span><span class='hs-conid'>Middleware</span><span class='hs-varop'>.</span><span class='hs-conid'>Jsonp</span> <span class='hs-layout'>(</span><span class='hs-varid'>jsonp</span><span class='hs-layout'>)</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-varid'>when</span><span class='hs-layout'>)</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-cpp'>#ifndef WINDOWS</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Signals</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Signal</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Concurrent</span> <span class='hs-layout'>(</span><span class='hs-varid'>forkIO</span><span class='hs-layout'>,</span> <span class='hs-varid'>killThread</span><span class='hs-layout'>)</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Concurrent</span><span class='hs-varop'>.</span><span class='hs-conid'>MVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>newEmptyMVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>putMVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>takeMVar</span><span class='hs-layout'>)</span>
<a name="line-24"></a><span class='hs-cpp'>#endif</span>
<a name="line-25"></a>
<a name="line-26"></a><a name="defaultMain"></a><span class='hs-comment'>-- | Run your app, taking environment and port settings from the</span>
<a name="line-27"></a><span class='hs-comment'>-- commandline.</span>
<a name="line-28"></a><span class='hs-comment'>--</span>
<a name="line-29"></a><span class='hs-comment'>-- Use @'fromArgs'@ when using the provided @'DefaultEnv'@ type, or</span>
<a name="line-30"></a><span class='hs-comment'>-- @'fromArgsWith'@ when using a custom type</span>
<a name="line-31"></a><span class='hs-comment'>--</span>
<a name="line-32"></a><span class='hs-comment'>-- > main :: IO ()</span>
<a name="line-33"></a><span class='hs-comment'>-- > main = defaultMain fromArgs withMySite</span>
<a name="line-34"></a><span class='hs-comment'>--</span>
<a name="line-35"></a><span class='hs-comment'>-- or</span>
<a name="line-36"></a><span class='hs-comment'>--</span>
<a name="line-37"></a><span class='hs-comment'>-- > main :: IO ()</span>
<a name="line-38"></a><span class='hs-comment'>-- > main = defaultMain (fromArgsWith customArgConfig) withMySite</span>
<a name="line-39"></a><span class='hs-comment'>--</span>
<a name="line-40"></a><span class='hs-definition'>defaultMain</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span> <span class='hs-varid'>env</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span> <span class='hs-varid'>env</span><span class='hs-layout'>)</span>
<a name="line-41"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>AppConfig</span> <span class='hs-varid'>env</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span>
<a name="line-42"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>AppConfig</span> <span class='hs-varid'>env</span> <span class='hs-varid'>extra</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Logger</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Application</span><span class='hs-layout'>)</span>
<a name="line-43"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-44"></a><span class='hs-definition'>defaultMain</span> <span class='hs-varid'>load</span> <span class='hs-varid'>getApp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-45"></a> <span class='hs-varid'>config</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>load</span>
<a name="line-46"></a> <span class='hs-varid'>logger</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>defaultDevelopmentLogger</span>
<a name="line-47"></a> <span class='hs-varid'>app</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getApp</span> <span class='hs-varid'>config</span> <span class='hs-varid'>logger</span>
<a name="line-48"></a> <span class='hs-varid'>runSettings</span> <span class='hs-varid'>defaultSettings</span>
<a name="line-49"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>settingsPort</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>appPort</span> <span class='hs-varid'>config</span>
<a name="line-50"></a> <span class='hs-layout'>}</span> <span class='hs-varid'>app</span>
<a name="line-51"></a>
<a name="line-52"></a><a name="defaultRunner"></a><span class='hs-comment'>-- | Run your application continously, listening for SIGINT and exiting</span>
<a name="line-53"></a><span class='hs-comment'>-- when recieved</span>
<a name="line-54"></a><span class='hs-comment'>--</span>
<a name="line-55"></a><span class='hs-comment'>-- > withYourSite :: AppConfig DefaultEnv -> Logger -> (Application -> IO a) -> IO ()</span>
<a name="line-56"></a><span class='hs-comment'>-- > withYourSite conf logger f = do</span>
<a name="line-57"></a><span class='hs-comment'>-- > Settings.withConnectionPool conf $ \p -> do</span>
<a name="line-58"></a><span class='hs-comment'>-- > runConnectionPool (runMigration yourMigration) p</span>
<a name="line-59"></a><span class='hs-comment'>-- > defaultRunner f $ YourSite conf logger p</span>
<a name="line-60"></a><span class='hs-definition'>defaultRunner</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Application</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Application</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-61"></a><span class='hs-definition'>defaultRunner</span> <span class='hs-varid'>f</span> <span class='hs-varid'>app</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-62"></a> <span class='hs-comment'>-- clear the .static-cache so we don't have stale content</span>
<a name="line-63"></a> <span class='hs-varid'>exists</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>staticCache</span>
<a name="line-64"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>exists</span> <span class='hs-varop'>$</span> <span class='hs-varid'>removeDirectoryRecursive</span> <span class='hs-varid'>staticCache</span>
<a name="line-65"></a><span class='hs-cpp'>#ifdef WINDOWS</span>
<a name="line-66"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>middlewares</span> <span class='hs-varid'>app</span><span class='hs-layout'>)</span>
<a name="line-67"></a><span class='hs-cpp'>#else</span>
<a name="line-68"></a> <span class='hs-varid'>tid</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>forkIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>middlewares</span> <span class='hs-varid'>app</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-69"></a> <span class='hs-varid'>flag</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newEmptyMVar</span>
<a name="line-70"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>Signal</span><span class='hs-varop'>.</span><span class='hs-varid'>installHandler</span> <span class='hs-conid'>Signal</span><span class='hs-varop'>.</span><span class='hs-varid'>sigINT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Signal</span><span class='hs-varop'>.</span><span class='hs-conid'>CatchOnce</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-71"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Caught an interrupt"</span>
<a name="line-72"></a> <span class='hs-varid'>killThread</span> <span class='hs-varid'>tid</span>
<a name="line-73"></a> <span class='hs-varid'>putMVar</span> <span class='hs-varid'>flag</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-conid'>Nothing</span>
<a name="line-74"></a> <span class='hs-varid'>takeMVar</span> <span class='hs-varid'>flag</span>
<a name="line-75"></a><span class='hs-cpp'>#endif</span>
<a name="line-76"></a> <span class='hs-keyword'>where</span>
<a name="line-77"></a> <span class='hs-varid'>middlewares</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>gzip</span> <span class='hs-varid'>gset</span> <span class='hs-varop'>.</span> <span class='hs-varid'>jsonp</span> <span class='hs-varop'>.</span> <span class='hs-varid'>autohead</span>
<a name="line-78"></a>
<a name="line-79"></a> <span class='hs-varid'>gset</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>def</span> <span class='hs-layout'>{</span> <span class='hs-varid'>gzipFiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GzipCacheFolder</span> <span class='hs-varid'>staticCache</span> <span class='hs-layout'>}</span>
<a name="line-80"></a> <span class='hs-varid'>staticCache</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>".static-cache"</span>
<a name="line-81"></a>
<a name="line-82"></a><a name="defaultDevelApp"></a><span class='hs-comment'>-- | Run your development app using a custom environment type and loader</span>
<a name="line-83"></a><span class='hs-comment'>-- function</span>
<a name="line-84"></a><span class='hs-definition'>defaultDevelApp</span>
<a name="line-85"></a> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span> <span class='hs-varid'>env</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span> <span class='hs-varid'>env</span><span class='hs-layout'>)</span>
<a name="line-86"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>AppConfig</span> <span class='hs-varid'>env</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ A means to load your development @'AppConfig'@</span>
<a name="line-87"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>AppConfig</span> <span class='hs-varid'>env</span> <span class='hs-varid'>extra</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Logger</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Application</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ Get your @Application@</span>
<a name="line-88"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-conid'>Application</span><span class='hs-layout'>)</span>
<a name="line-89"></a><span class='hs-definition'>defaultDevelApp</span> <span class='hs-varid'>load</span> <span class='hs-varid'>getApp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-90"></a> <span class='hs-varid'>conf</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>load</span>
<a name="line-91"></a> <span class='hs-varid'>logger</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>defaultDevelopmentLogger</span>
<a name="line-92"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>appPort</span> <span class='hs-varid'>conf</span>
<a name="line-93"></a> <span class='hs-varid'>logString</span> <span class='hs-varid'>logger</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Devel application launched, listening on port "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>p</span>
<a name="line-94"></a> <span class='hs-varid'>app</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getApp</span> <span class='hs-varid'>conf</span> <span class='hs-varid'>logger</span>
<a name="line-95"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-varid'>app</span><span class='hs-layout'>)</span>
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