Adding error feedbacks when adding a payment

1 files changed, 36 insertions, 0 deletions

diff --git a/src/client/Model/View/Payment/Add.elm b/src/client/Model/View/Payment/Add.elm
new file mode 100644
index 0000000..ff64388
--- /dev/null
+++ b/src/client/Model/View/Payment/Add.elm
@@ -0,0 +1,36 @@
+module Model.View.Payment.Add
+  ( AddPayment
+  , initAddPayment
+  , validateName
+  , validateCost
+  ) where
+
+import Result as Result exposing (Result(..))
+
+import Utils.Validation exposing (..)
+
+type alias AddPayment =
+  { name : String
+  , nameError : Maybe String
+  , cost : String
+  , costError : Maybe String
+  }
+
+initAddPayment : AddPayment
+initAddPayment =
+  { name = ""
+  , nameError = Nothing
+  , cost = ""
+  , costError = Nothing
+  }
+
+validateName : String -> Result String String
+validateName name =
+  name
+    |> validateNonEmpty "The name is required."
+
+validateCost : String -> Result String Int
+validateCost cost =
+  cost
+    |> validateNonEmpty "The cost is required."
+    |> flip Result.andThen (validateNumber "The cost must be a number.")