1 files changed, 21 insertions, 11 deletions
diff --git a/src/client/ServerCommunication.elm b/src/client/ServerCommunication.elm
index 9bf2008..9359160 100644
--- a/src/client/ServerCommunication.elm
+++ b/src/client/ServerCommunication.elm
@@ -11,7 +11,7 @@ import Json.Decode exposing (..)
 import Date
 
 import Model.Message exposing (messageDecoder)
-import Model.Payment exposing (PaymentId)
+import Model.Payment exposing (PaymentId, perPage, paymentsDecoder)
 
 import Update as U
 import Update.SignIn exposing (..)
@@ -22,6 +22,7 @@ type Communication =
   | SignIn String
   | AddPayment String Int
   | DeletePayment PaymentId
+  | UpdatePage Int
   | SignOut
 
 serverCommunications : Signal.Mailbox Communication
@@ -42,17 +43,19 @@ getRequest communication =
     NoCommunication ->
       Nothing
     SignIn login ->
-      Just (simplePost ("/signIn?login=" ++ login))
+      Just (simple "post" ("/signIn?login=" ++ login))
     AddPayment name cost ->
-      Just (simplePost ("/payment/add?name=" ++ name ++ "&cost=" ++ (toString cost)))
+      Just (simple "post" ("/payment/add?name=" ++ name ++ "&cost=" ++ (toString cost)))
     DeletePayment paymentId ->
-      Just (simplePost ("payment/delete?id=" ++ paymentId))
+      Just (simple "post" ("payment/delete?id=" ++ paymentId))
+    UpdatePage page ->
+      Just (simple "get" ("payments?page=" ++ toString page ++ "&perPage=" ++ toString perPage))
     SignOut ->
-      Just (simplePost  "/signOut")
+      Just (simple "post"  "/signOut")
 
-simplePost : String -> Http.Request
-simplePost url =
-  { verb = "post"
+simple : String -> String -> Http.Request
+simple method url =
+  { verb = method
   , headers = []
   , url = url
   , body = Http.empty
@@ -70,14 +73,21 @@ communicationToAction communication response =
         AddPayment name cost ->
           decodeResponse
             response
+            messageDecoder
             (\id -> U.UpdatePayment (UP.AddPayment id name cost))
         DeletePayment id ->
           U.UpdatePayment (UP.Remove id)
+        UpdatePage page ->
+          decodeResponse
+            response
+            paymentsDecoder
+            (\payments -> U.UpdatePayment (UP.UpdatePage page payments))
         SignOut ->
           U.GoSignInView
     else
       decodeResponse
         response
+        messageDecoder
         (\error ->
           case communication of
             SignIn _ ->
@@ -86,11 +96,11 @@ communicationToAction communication response =
               U.NoOp
         )
 
-decodeResponse : Http.Response -> (String -> U.Action) -> U.Action
-decodeResponse response responseToAction =
+decodeResponse : Http.Response -> Decoder a -> (a -> U.Action) -> U.Action
+decodeResponse response decoder responseToAction =
   case response.value of
     Http.Text text ->
-      case decodeString messageDecoder text of
+      case decodeString decoder text of
         Ok x ->
           responseToAction x
         Err _ ->