From a6727f104f808e533052f2bd83bc89cd6bfa0522 Mon Sep 17 00:00:00 2001
From: Joris Guyonvarch
Date: Sun, 19 Jul 2015 00:45:42 +0200
Subject: Adding UI to sign in and sign out

---
 src/client/ServerCommunication.elm | 63 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/client/ServerCommunication.elm

(limited to 'src/client/ServerCommunication.elm')

diff --git a/src/client/ServerCommunication.elm b/src/client/ServerCommunication.elm
new file mode 100644
index 0000000..e29b084
--- /dev/null
+++ b/src/client/ServerCommunication.elm
@@ -0,0 +1,63 @@
+module ServerCommunication
+  ( Communication(..)
+  , sendRequest
+  , serverCommunications
+  ) where
+
+import Signal
+import Task
+import Task exposing (Task)
+import Http
+
+import Update as U
+
+type Communication =
+  NoCommunication
+  | SignIn String
+  | SignOut
+
+serverCommunications : Signal.Mailbox Communication
+serverCommunications = Signal.mailbox NoCommunication
+
+sendRequest : Communication -> Task Http.RawError U.Action
+sendRequest communication =
+  case getRequest communication of
+    Nothing ->
+      Task.succeed U.NoOp
+    Just request ->
+      Http.send Http.defaultSettings request
+        |> Task.map (communicationToAction communication)
+
+getRequest : Communication -> Maybe Http.Request
+getRequest communication =
+  case communication of
+    NoCommunication ->
+      Nothing
+    SignIn login ->
+      Just
+        { verb = "post"
+        , headers = []
+        , url = "/signIn?login=" ++ login
+        , body = Http.empty
+        }
+    SignOut ->
+      Just
+        { verb = "post"
+        , headers = []
+        , url = "/signOut"
+        , body = Http.empty
+        }
+
+communicationToAction : Communication -> Http.Response -> U.Action
+communicationToAction communication response =
+  if response.status == 200
+    then
+      case communication of
+        NoCommunication ->
+          U.NoOp
+        SignIn _ ->
+          U.NoOp
+        SignOut ->
+          U.SignIn
+    else
+      U.NoOp
-- 
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