1 files changed, 29 insertions, 0 deletions
diff --git a/src/client/elm/Update/LoggedIn/Add.elm b/src/client/elm/Update/LoggedIn/Add.elm
new file mode 100644
index 0000000..1f28997
--- /dev/null
+++ b/src/client/elm/Update/LoggedIn/Add.elm
@@ -0,0 +1,29 @@
+module Update.LoggedIn.Add
+  ( AddPaymentAction(..)
+  , updateAddPayment
+  ) where
+
+import Model.View.LoggedIn.Add exposing (..)
+
+type AddPaymentAction =
+  UpdateName String
+  | UpdateCost String
+  | AddError (Maybe String) (Maybe String)
+  | ToggleFrequency
+
+updateAddPayment : AddPaymentAction -> AddPayment -> AddPayment
+updateAddPayment action addPayment =
+  case action of
+    UpdateName name ->
+      { addPayment | name <- name }
+    UpdateCost cost ->
+      { addPayment | cost <- cost }
+    AddError nameError costError ->
+      { addPayment
+      | nameError <- nameError
+      , costError <- costError
+      }
+    ToggleFrequency ->
+      { addPayment
+      | frequency <- if addPayment.frequency == Punctual then Monthly else Punctual
+      }