Implement old bar.hs

1 files changed, 33 insertions, 0 deletions

diff --git a/Handler/UpdateItem.hs b/Handler/UpdateItem.hs
new file mode 100644
index 0000000..353572b
--- /dev/null
+++ b/Handler/UpdateItem.hs
@@ -0,0 +1,33 @@
+module Handler.UpdateItem where
+
+import Import
+
+import Handler.Common
+
+getUpdateItemR, postUpdateItemR :: ItemId -> Handler TypedContent
+getUpdateItemR = postUpdateItemR
+postUpdateItemR fsUpdateItem = do
+  Just entity <- fmap (Entity fsUpdateItem) <$> runDB (get fsUpdateItem)
+  
+  ((updateResult, fsUpdateForm), fsUpdateEncoding) <- runFormPost . itemForm . Just $ entityVal entity
+
+  mapM_ (addMessage "formError" . toHtml) =<< case updateResult of 
+    FormSuccess Item{..} -> [] <$ runDB (update fsUpdateItem [ ItemKind =. itemKind
+                                                             , ItemNormKind =. normalizeKind itemKind
+                                                             , ItemBought =. itemBought
+                                                             , ItemExpires =. itemExpires
+                                                             , ItemOpened =. itemOpened
+                                                             ])
+    FormFailure errors -> return errors
+    _ -> return []
+
+  selectRep $ do
+    provideRep $ case updateResult of
+      FormSuccess _ -> redirect $ InventoryListingR :#: fsUpdateItem :: Handler Html
+      _ -> do
+        (sortOn entityVal -> stock) <- runDB $ selectList [] []
+        defaultLayout $ inventoryListing InventoryState
+          { formState = Just UpdateForm{..}
+          , ..
+          }
+    provideJson ()