Validate add payment server side

1 files changed, 28 insertions, 0 deletions

diff --git a/src/client/elm/Update/LoggedIn/AddPayment.elm b/src/client/elm/Update/LoggedIn/AddPayment.elm
index 3eb2ea4..4c9c484 100644
--- a/src/client/elm/Update/LoggedIn/AddPayment.elm
+++ b/src/client/elm/Update/LoggedIn/AddPayment.elm
@@ -1,26 +1,54 @@
 module Update.LoggedIn.AddPayment
   ( updateAddPayment
+  , addPaymentError
   ) where
 
+import Maybe
+import Json.Decode as Json exposing ((:=))
+
 import Model.Action.AddPaymentAction exposing (..)
 import Model.View.LoggedIn.AddPayment exposing (..)
+import Model.Translations exposing (Translations, getMessage)
 import Model.Payment exposing (PaymentFrequency(..))
 
 updateAddPayment : AddPaymentAction -> AddPayment -> AddPayment
 updateAddPayment action addPayment =
   case action of
+
+    NoOp ->
+      addPayment
+
     UpdateName name ->
       { addPayment | name = name }
+
     UpdateCost cost ->
       { addPayment | cost = cost }
+
     AddError nameError costError ->
       { addPayment
       | nameError = nameError
       , costError = costError
+      , waitingServer = False
       }
+
     ToggleFrequency ->
       { addPayment
       | frequency = if addPayment.frequency == Punctual then Monthly else Punctual
       }
+
     WaitingServer ->
       { addPayment | waitingServer = True }
+
+addPaymentError : Translations -> String -> Maybe AddPaymentAction
+addPaymentError translations jsonErr =
+  let decoder =
+        Json.object2 (,)
+          (Json.maybe <| "name" := Json.string)
+          (Json.maybe <| "cost" := Json.string)
+  in  case Json.decodeString decoder jsonErr of
+        Err _ ->
+          Nothing
+        Ok (mbNameKey, mbCostKey) ->
+          Just <| AddError
+            (Maybe.map (flip getMessage translations) mbNameKey)
+            (Maybe.map (flip getMessage translations) mbCostKey)