blob: 2239a749896be226f60afad8bcf1ef7419a325a7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
module Messages exposing(..)
import Json.Decode
import Json.Encode exposing (Value)
-- The following module comes from bartavelle/json-helpers
import Json.Helpers exposing (..)
import Dict exposing (Dict)
import Set exposing (Set)
type alias GameView =
{ players: (List String)
}
jsonDecGameView : Json.Decode.Decoder ( GameView )
jsonDecGameView =
Json.Decode.succeed (\pplayers -> {players = pplayers}) |> custom (Json.Decode.list (Json.Decode.string))
jsonEncGameView : GameView -> Value
jsonEncGameView val =
(Json.Encode.list Json.Encode.string) val.players
type ServerMessage =
Welcome Int
| SyncGameView GameView
| Bye
jsonDecServerMessage : Json.Decode.Decoder ( ServerMessage )
jsonDecServerMessage =
let jsonDecDictServerMessage = Dict.fromList
[ ("Welcome", Json.Decode.lazy (\_ -> Json.Decode.map Welcome (Json.Decode.int)))
, ("SyncGameView", Json.Decode.lazy (\_ -> Json.Decode.map SyncGameView (jsonDecGameView)))
, ("Bye", Json.Decode.lazy (\_ -> Json.Decode.succeed Bye))
]
in decodeSumObjectWithSingleField "ServerMessage" jsonDecDictServerMessage
jsonEncServerMessage : ServerMessage -> Value
jsonEncServerMessage val =
let keyval v = case v of
Welcome v1 -> ("Welcome", encodeValue (Json.Encode.int v1))
SyncGameView v1 -> ("SyncGameView", encodeValue (jsonEncGameView v1))
Bye -> ("Bye", encodeValue (Json.Encode.list identity []))
in encodeSumObjectWithSingleField keyval val
|