From a7db22556b91bc7c499e010b4c051f4442ad8ce2 Mon Sep 17 00:00:00 2001
From: Joris
Date: Tue, 29 Dec 2015 22:38:42 +0100
Subject: Using persona to validate emails

---
 src/client/elm/Utils/Validation.elm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/client/elm/Utils/Validation.elm

(limited to 'src/client/elm/Utils/Validation.elm')

diff --git a/src/client/elm/Utils/Validation.elm b/src/client/elm/Utils/Validation.elm
new file mode 100644
index 0000000..b9bccb3
--- /dev/null
+++ b/src/client/elm/Utils/Validation.elm
@@ -0,0 +1,23 @@
+module Utils.Validation
+  ( validateNonEmpty
+  , validateNumber
+  ) where
+
+import String
+import Reads exposing (readInt)
+
+validateNonEmpty : String -> String -> Result String String
+validateNonEmpty message str =
+  if String.isEmpty str
+   then Err message
+   else Ok str
+
+validateNumber : String -> (Int -> Bool) -> String -> Result String Int
+validateNumber message numberForm str =
+  case readInt str of
+    Just number ->
+      if numberForm number
+        then Ok number
+        else Err message
+    Nothing ->
+      Err message
-- 
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