Add some basic elm

1 files changed, 65 insertions, 0 deletions

diff --git a/src/client/elm/Main.elm b/src/client/elm/Main.elm
new file mode 100644
index 0000000..8e1e9c8
--- /dev/null
+++ b/src/client/elm/Main.elm
@@ -0,0 +1,65 @@
+module Main exposing (..)
+
+-- import Html.Attributes exposing (..)
+import Html exposing (..)
+import Json.Decode exposing (string, Decoder)
+import Json.Decode.Pipeline exposing (decode, required)
+
+
+main : Program Flags Model msg
+main =
+    Html.programWithFlags
+        { init = init
+        , update = update
+        , view = view
+        , subscriptions = subscriptions
+        }
+
+type alias Flags = Json.Decode.Value
+
+
+type alias Model =
+    { users : List User
+    }
+
+
+type alias User =
+    { type_ : String
+    , value : String
+    }
+
+
+type UserType
+    = Class
+    | Teacher
+    | Room
+    | Student
+
+init : Flags -> ( Model, Cmd msg )
+init flags =
+    case Json.Decode.decodeValue decodeUsers flags of
+        Ok user ->
+            (Model user, Cmd.none)
+
+        Err err ->
+            Debug.crash err
+
+decodeUsers : Decoder (List User)
+decodeUsers = Json.Decode.list decodeUser
+
+decodeUser : Decoder User
+decodeUser =
+  decode User
+    |> required "type" string
+    |> required "value" string
+
+update : msg -> Model -> (Model, Cmd msg)
+update msg model = (model, Cmd.none)
+
+view : Model -> Html msg
+view model =
+  text <| toString model
+
+subscriptions : Model -> Sub msg
+subscriptions model =
+  Sub.none
\ No newline at end of file