[haskell] updated main, init and server reset handling

haskell/app/Main.hs

@@ -2,34 +2,20 @@
 
 module Main (main) where
 
-import Control.Exception
-import System.Environment
-import System.Posix.Process
-
 import SpaceTraders
 import SpaceTraders.Automation.Init
-import SpaceTraders.APIClient.Errors
 import SpaceTraders.APIClient.Ships
 import SpaceTraders.APIClient.Systems
-import SpaceTraders.Database.Agents
-import SpaceTraders.Database.Contracts
-import SpaceTraders.Database.Ships
 
 main :: IO ()
 main = do
   env <- initST
-  runSpaceTradersT getAgent env >>= print
-  s <- runSpaceTradersT initSystems env
-  case s of
-    Left (APIResetHappened _) -> do
-      p <- getExecutablePath
-      a <- getArgs
-      e <- getEnvironment
-      executeFile p False a (Just e)
-    Left e -> throwIO e
-    Right s' -> print $ length s'
-  runSpaceTradersT getContracts env >>= print
-  ss <- runSpaceTradersT getShips env
-  runSpaceTradersT (dock $ head ss) env >>= print
-  runSpaceTradersT (orbit $ head ss) env >>= print
+  runSpaceTradersT main' env
   deinitST env
+  where
+    main' :: SpaceTradersT ()
+    main' = do
+      _ <- initSystems
+      (Right ships) <- myShips -- work around to fetch the initial probe
+      _ <- orbit (head ships)
+      return ()

haskell/src/SpaceTraders/APIClient/Client.hs

@@ -20,6 +20,9 @@ import qualified Data.Text as T
 import qualified Data.Text.Encoding as T
 import Network.HTTP.Simple
 import Network.HTTP.Types.Status
+import System.Directory
+import System.Environment
+import System.Posix.Process
 
 import SpaceTraders
 import SpaceTraders.APIClient.Errors
@@ -86,4 +89,10 @@ sendPaginated pagination requestBuilder = do
           Right (APIRateLimit r) -> do
             liftIO $ delay (1_000_000 * (round $ retryAfter r))
             sendPaginated' request
+          Right (APIResetHappened _) -> liftIO $ do
+            removeFile "spacetraders.db"
+            p <- getExecutablePath
+            a <- getArgs
+            e <- getEnvironment
+            executeFile p False a (Just e) -- we exec on ourselves
           Right e -> return $ Left e

haskell/src/SpaceTraders/Automation/Init.hs

@@ -55,7 +55,6 @@ registerST = do
       addAgent $ agent r'
       addContract $ contract r'
       addShip $ ship r'
-      _ <- myShips -- in order to fetch the starting probe that is not advertised in the register message
       let t = token r'
       addToken t
       return t