random name generator and stuff

frontend/assets/sass/style.scss

@@ -36,13 +36,17 @@ nav {
     background-size: contain;
   }
 
-  .board-search-input {
+  input {
     background-color: white;
     border-radius: .3em;
     border: 1px solid white;
     padding: .4em;
   }
 
+  button {
+    line-height: 1.7;
+  }
+
   ul {
     grid-area: rest-nav;
     list-style-type: none;

frontend/elm.json

@@ -11,6 +11,7 @@
             "elm/html": "1.0.0",
             "elm/http": "2.0.0",
             "elm/json": "1.1.2",
+            "elm/random": "1.0.0",
             "elm/url": "1.0.0"
         },
         "indirect": {

frontend/src/Main.elm

@@ -4,10 +4,13 @@ import Browser
 import Browser.Navigation as Nav
 import Html exposing (..)
 import Html.Attributes exposing (..)
+import Html.Events exposing (onClick, onInput)
 import Model exposing (Model)
 import Navigation
+import Random
 import Url
 import Url.Parser
+import WsMessage exposing (createSession)
 
 
 main =
@@ -59,6 +62,75 @@ type Msg
     | LinkClicked Browser.UrlRequest
     | WsIn String
     | WsOut String
+    | CreateRetro
+    | CreatePoker
+    | NameChanged String
+    | NameGenerated ScrambledName
+    | RandomizeName
+
+
+
+-- BOOT TIME
+
+
+type alias ScrambledName =
+    { prefix : String
+    , suffix : String
+    }
+
+
+randomUserName : Cmd Msg
+randomUserName =
+    let
+        prefixes =
+            [ "Joyful"
+            , "Squiddly"
+            , "Fast"
+            , "Tinkering"
+            , "Freezy"
+            , "Warm-To-The-Touch"
+            , "Red"
+            , "Pale"
+            , "Hardy"
+            , "Hardened"
+            , "Rocky"
+            , "Pokey"
+            , "Screeching"
+            , "Sweet"
+            , "Grumpy"
+            , "Tempered"
+            , "Bendy"
+            ]
+
+        suffixes =
+            [ "Rock"
+            , "Impala"
+            , "Liliac"
+            , "Bike"
+            , "Tinker"
+            , "Red"
+            , "Green"
+            , "Squid"
+            , "Sponge"
+            , "Star"
+            , "Fish"
+            , "Tandem"
+            , "Ground dweller"
+            , "Bird"
+            , "Ice cream"
+            , "Brush"
+            , "Highborn"
+            ]
+    in
+    Random.generate NameGenerated
+        (Random.map2 ScrambledName
+            (Random.uniform "Chuck" prefixes)
+            (Random.uniform "Norris" suffixes)
+        )
+
+
+
+-- UPDATE PART
 
 
 update : Msg -> Model -> ( Model, Cmd Msg )
@@ -77,19 +149,39 @@ update msg model =
                     -- TODO error reporting
                     ( { model | route = Navigation.Home }, Cmd.none )
 
+        -- WEBSOCKETS
         WsOut wsmsg ->
             ( model, wsout wsmsg )
 
         WsIn strmsg ->
             ( model, Cmd.none )
 
+        -- INIT
+        NameChanged name ->
+            ( { model | userName = name }, Cmd.none )
+
+        NameGenerated scrambled ->
+            ( { model | userName = scrambled.prefix ++ " " ++ scrambled.suffix }, Cmd.none )
+
+        RandomizeName ->
+            ( model, randomUserName )
+
+        -- RETRO
+        CreateRetro ->
+            Debug.todo "implement create retro"
+
+        -- POKER
+        CreatePoker ->
+            Debug.log (createSession model)
+                ( model, wsout (createSession model) )
+
 
 routeChanged : Navigation.Route -> Model -> ( Model, Cmd Msg )
 routeChanged route model =
     case route of
         Navigation.Home ->
             ( { model | route = route }
-            , Cmd.none
+            , randomUserName
             )
 
         Navigation.Poker session ->
@@ -98,6 +190,10 @@ routeChanged route model =
             )
 
 
+
+-- HTML STUFF
+
+
 view : Model -> Browser.Document Msg
 view model =
     { title = "Open-Retro"
@@ -106,11 +202,24 @@ view model =
             [ h1 [ class "app-title" ] [ text "Open-Retro" ]
             , ul []
                 [ li []
-                    [ input [ class "board-search-input", placeholder "Session ID..." ] [] ]
+                    [ input [ onInput NameChanged, value model.userName ]
+                        []
+                    ]
+                , li []
+                    [ button
+                        [ onClick RandomizeName ]
+                        [ text "🎲" ]
+                    ]
                 , li []
-                    [ text "🂿 New retro" ]
+                    [ button
+                        [ onClick CreateRetro ]
+                        [ text "🂿 New retro" ]
+                    ]
                 , li []
-                    [ text "🃠 New poker" ]
+                    [ button
+                        [ onClick CreatePoker ]
+                        [ text "🃠 New poker" ]
+                    ]
                 ]
             ]
         , main_ [] (appContent model)

frontend/src/Model.elm

@@ -16,6 +16,7 @@ type alias Model =
     , route : Navigation.Route
     , httpError : Maybe Http.Error
     , userUuid : Uuid
+    , userName : String
     , session : Maybe String
     }
 
@@ -38,6 +39,8 @@ initialModel init =
         Maybe.Nothing
         -- userUuid
         init.userUuid
+        -- userName
+        ""
         -- session
         Maybe.Nothing
 

frontend/src/WsMessage.elm

@@ -1,19 +1,42 @@
-module WsMessage exposing (..)
+module WsMessage exposing (Action(..), Publisher, WsMessage, createSession, decode, msgDecoder, strToAction)
 
+import Dict exposing (Dict)
 import Json.Decode exposing (Decoder, andThen, decodeString, fail, field, map2, map3, string, succeed)
+import Json.Encode as Enc
+import Model exposing (Model)
 
 
 type Action
     = Publish
+    | CreateSession
+
+
+stringToAction : Dict String Action
+stringToAction =
+    Dict.fromList
+        [ ( "Publish", Publish )
+        , ( "CreateSession", CreateSession )
+        ]
+
+
+actionToString : Action -> String
+actionToString action =
+    Dict.filter
+        (\_ v -> v == action)
+        stringToAction
+        |> Dict.keys
+        |> List.head
+        |> Maybe.withDefault ""
 
 
 strToAction : String -> Decoder Action
 strToAction str =
-    if str == "Publish" then
+    case Dict.get str stringToAction of
-        succeed Publish
+        Just val ->
+            succeed val
 
-    else
+        Nothing ->
-        fail ("invalid action '" ++ str ++ "'")
+            fail ("invalid action '" ++ str ++ "'")
 
 
 type alias Publisher =
@@ -33,26 +56,19 @@ type alias WsMessage =
 -- DECODERS
 
 
-publisherDecoder : Decoder Publisher
-publisherDecoder =
-    map2 Publisher
-        (field "uuid" string)
-        (field "name" string)
-
-
 msgDecoder : Decoder WsMessage
 msgDecoder =
     map3 WsMessage
-        actionDecoder
+        (field "action" string |> andThen strToAction)
-        (field "publisher" publisherDecoder)
+        (field "publisher"
+            (map2 Publisher
+                (field "uuid" string)
+                (field "name" string)
+            )
+        )
         (field "payload" string)
 
 
-actionDecoder : Decoder Action
-actionDecoder =
-    field "action" string |> andThen strToAction
-
-
 decode : String -> Maybe WsMessage
 decode str =
     case decodeString msgDecoder str of
@@ -61,3 +77,22 @@ decode str =
 
         Err _ ->
             Nothing
+
+
+
+-- ENCODERS
+
+
+createSession : Model -> String
+createSession model =
+    Enc.object
+        [ ( "action", Enc.string (actionToString CreateSession) )
+        , ( "publisher"
+          , Enc.object
+                [ ( "uuid", Enc.string model.userUuid )
+                , ( "name", Enc.string model.userName )
+                ]
+          )
+        , ( "payload", Enc.string "" )
+        ]
+        |> Enc.encode 0