From da2a0c13aa89705c65fdb9df2f496fb4eea29654 Mon Sep 17 00:00:00 2001
From: Joris
Date: Sat, 4 Jan 2020 19:22:45 +0100
Subject: Allow to remove only unused categories

---
 client/src/View/Category/Table.hs | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'client/src/View/Category/Table.hs')

diff --git a/client/src/View/Category/Table.hs b/client/src/View/Category/Table.hs
index fbe76e9..90d013d 100644
--- a/client/src/View/Category/Table.hs
+++ b/client/src/View/Category/Table.hs
@@ -10,8 +10,8 @@ import qualified Data.Text               as T
 import           Reflex.Dom              (Dynamic, Event, MonadWidget)
 import qualified Reflex.Dom              as R
 
-import           Common.Model            (Category (..), Currency, User (..),
-                                          UserId)
+import           Common.Model            (Category (..), CategoryId, Currency,
+                                          User (..), UserId)
 import qualified Common.Model            as CM
 import qualified Common.Msg              as Msg
 import qualified Common.View.Format      as Format
@@ -24,10 +24,11 @@ import qualified Util.Either             as EitherUtil
 import qualified View.Category.Form      as Form
 
 data In t = In
-  { _in_currentUser :: UserId
-  , _in_currency    :: Currency
-  , _in_categories  :: [Category]
-  , _in_users       :: [User]
+  { _in_currentUser    :: UserId
+  , _in_currency       :: Currency
+  , _in_categories     :: [Category]
+  , _in_usedCategories :: [CategoryId]
+  , _in_users          :: [User]
   }
 
 data Out t = Out
@@ -60,7 +61,8 @@ view input = do
             e
           return $ () <$ R.fmapMaybe EitherUtil.eitherToMaybe res
         }
-    , Table._in_isOwner = const True
+    , Table._in_canEdit = const True
+    , Table._in_canDelete = not . flip elem (_in_usedCategories input) . _category_id
     }
 
   return $ Out
-- 
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