Allow to remove only unused categories

2 files changed, 27 insertions, 23 deletions

diff --git a/client/src/View/Category/Category.hs b/client/src/View/Category/Category.hs
index 77a331a..5b41bb6 100644
--- a/client/src/View/Category/Category.hs
+++ b/client/src/View/Category/Category.hs
@@ -53,13 +53,14 @@ view input = do
     deleteCategory <- eventFromResult $ Table._out_delete . (\(_, b, _) -> b)
 
     result <- Loadable.viewShowValueWhileLoading categoryPage $
-      \(CategoryPage page categories count) -> do
+      \(CategoryPage page categories usedCategories count) -> do
         header <- headerView
 
         table <- Table.view $ Table.In
           { Table._in_currentUser = _in_currentUser input
           , Table._in_currency = _in_currency input
           , Table._in_categories = categories
+          , Table._in_usedCategories = usedCategories
           , Table._in_users = _in_users input
           }
 
@@ -75,18 +76,19 @@ view input = do
 
 headerView :: forall t m. MonadWidget t m => m (Event t ())
 headerView =
-  R.divClass "titleButton" $ do
-    R.el "h1" $
-      R.text $
-        Msg.get Msg.Category_Title
-
-    addCategory <- Button._out_clic <$>
-      (Button.view . Button.defaultIn . R.text $
-        Msg.get Msg.Category_Add)
-
-    addCategory <- Modal.view $ Modal.In
-      { Modal._in_show    = addCategory
-      , Modal._in_content = Form.view $ Form.In { Form._in_operation = Form.New }
-      }
-
-    return addCategory
+  R.divClass "withMargin" $
+    R.divClass "titleButton" $ do
+      R.el "h1" $
+        R.text $
+          Msg.get Msg.Category_Title
+
+      addCategory <- Button._out_clic <$>
+        (Button.view . Button.defaultIn . R.text $
+          Msg.get Msg.Category_Add)
+
+      addCategory <- Modal.view $ Modal.In
+        { Modal._in_show    = addCategory
+        , Modal._in_content = Form.view $ Form.In { Form._in_operation = Form.New }
+        }
+
+      return addCategory
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