Playlists start working

elm.json

@@ -6,11 +6,13 @@
     "elm-version": "0.19.1",
     "dependencies": {
         "direct": {
+            "STTR13/ziplist": "1.3.0",
             "elm/browser": "1.0.2",
             "elm/core": "1.0.5",
             "elm/html": "1.0.0",
             "elm/http": "2.0.0",
             "elm/json": "1.1.3",
+            "elm/time": "1.0.0",
             "elm/url": "1.0.0",
             "jims/html-parser": "1.0.0",
             "mdgriffith/elm-ui": "1.1.8"
@@ -19,8 +21,8 @@
             "elm/bytes": "1.0.8",
             "elm/file": "1.0.5",
             "elm/parser": "1.1.0",
-            "elm/time": "1.0.0",
             "elm/virtual-dom": "1.0.2",
+            "elm-community/list-extra": "8.2.4",
             "rtfeldman/elm-hex": "1.0.0"
         }
     },

src/Colors.elm

@@ -0,0 +1,28 @@
+module Colors exposing (blackFont, greyBackground, primary, primaryOver, white)
+
+import Element
+
+
+primary : Element.Color
+primary =
+    Element.rgb255 50 115 220
+
+
+primaryOver : Element.Color
+primaryOver =
+    Element.rgb255 35 102 209
+
+
+white : Element.Color
+white =
+    Element.rgb255 255 255 255
+
+
+greyBackground : Element.Color
+greyBackground =
+    Element.rgba255 0 0 0 0.7
+
+
+blackFont : Element.Color
+blackFont =
+    Element.rgb255 54 54 54

src/Consts.elm

@@ -0,0 +1,21 @@
+module Consts exposing (homeFontSize, homePadding, name, url)
+
+
+url : String
+url =
+    "twitch.tforgione.fr"
+
+
+name : String
+name =
+    url
+
+
+homeFontSize : Int
+homeFontSize =
+    25
+
+
+homePadding : Int
+homePadding =
+    15

src/Core.elm

@@ -1,4 +1,4 @@
-module Core exposing (Model(..), Msg(..), init)
+module Core exposing (FullModel(..), Model, Msg(..), Page(..), init, update)
 
 import Browser.Navigation
 import Json.Decode as Decode
@@ -7,17 +7,38 @@ import Twitch
 import Url
 
 
-type Model
+type FullModel
+    = Unloaded
+    | Loaded Model
+
+
+type alias Model =
+    { playlists : List Twitch.Playlist
+    , page : Page
+    }
+
+
+type Page
     = Home
 
 
 type Msg
     = Noop
-    | ReceivedPlaylists (List Twitch.Playlist)
+    | PlaylistsReceived (List Twitch.Playlist)
 
 
-init : Decode.Value -> Url.Url -> Browser.Navigation.Key -> ( Model, Cmd Msg )
+init : Decode.Value -> Url.Url -> Browser.Navigation.Key -> ( FullModel, Cmd Msg )
 init _ _ _ =
-    ( Home
+    ( Unloaded
-    , Task.perform ReceivedPlaylists Twitch.fetchPlaylists
+    , Task.perform PlaylistsReceived Twitch.fetchPlaylists
     )
+
+
+update : Msg -> FullModel -> ( FullModel, Cmd Msg )
+update msg model =
+    case msg of
+        Noop ->
+            ( model, Cmd.none )
+
+        PlaylistsReceived playlists ->
+            ( Loaded { playlists = playlists, page = Home }, Cmd.none )

src/Main.elm

@@ -3,16 +3,15 @@ module Main exposing (main)
 import Browser
 import Core
 import Json.Decode as Decode
-import Updates
 import Url
 import Views
 
 
-main : Program Decode.Value Core.Model Core.Msg
+main : Program Decode.Value Core.FullModel Core.Msg
 main =
     Browser.application
         { init = Core.init
-        , update = Updates.update
+        , update = Core.update
         , view = Views.view
         , subscriptions = \_ -> Sub.none
         , onUrlChange = onUrlChange

src/Twitch.elm

@@ -1,4 +1,9 @@
-module Twitch exposing (Playlist, Video, fetchPlaylists)
+module Twitch exposing
+    ( Playlist
+    , Video
+    , fetchPlaylists
+    , playlistMiniatureUrl
+    )
 
 import Html.Parser
 import Http
@@ -7,7 +12,8 @@ import Task exposing (Task)
 
 
 type alias Playlist =
-    { name : String
+    { url : String
+    , name : String
     , videos : List Video
     }
 
@@ -15,7 +21,7 @@ type alias Playlist =
 type alias Video =
     { name : String
     , url : String
-    , duration : Float
+    , duration : Int
     }
 
 
@@ -31,6 +37,16 @@ get { url, resolver } =
         }
 
 
+playlistMiniatureUrl : Playlist -> String
+playlistMiniatureUrl playlist =
+    case List.head playlist.videos of
+        Just v ->
+            v.url ++ "miniature-050.png"
+
+        _ ->
+            ""
+
+
 fetchPlaylists : Task x (List Playlist)
 fetchPlaylists =
     fetchPlaylistPath |> Task.andThen fetchPlaylistsMapper
@@ -40,25 +56,18 @@ fetchPlaylistPath : Task x (List String)
 fetchPlaylistPath =
     get
         { url = "/videos"
-        , resolver = Http.stringResolver parsePlaylistPath
+        , resolver = Http.stringResolver parseHrefs
         }
 
 
 fetchPlaylist : String -> Task x Playlist
 fetchPlaylist name =
-    get
+    fetchPlaylistName name
-        { url = "/videos/" ++ name ++ "/description.json"
-        , resolver = Http.stringResolver parsePlaylistName
-        }
         |> Task.andThen
             (\a ->
-                Task.map (\b -> Playlist a b)
+                fetchPlaylistVideoPaths name
-                    (get
+                    |> Task.andThen (\c -> fetchVideos name c)
-                        { url = "/videos/" ++ name
+                    |> Task.map (Playlist name a)
-                        , resolver = Http.stringResolver parsePlaylistVideoPaths
-                        }
-                        |> Task.andThen (\c -> fetchVideos name c)
-                    )
             )
 
 
@@ -69,7 +78,7 @@ fetchVideo playlist video =
             "/videos/" ++ playlist ++ video
     in
     get
-        { url = "/videos/" ++ playlist ++ "/" ++ video ++ "/description.json"
+        { url = url ++ "description.json"
         , resolver = Http.stringResolver (parseVideo url)
         }
 
@@ -79,6 +88,22 @@ fetchVideos playlist videos =
     Task.sequence (List.map (fetchVideo playlist) videos)
 
 
+fetchPlaylistName : String -> Task x String
+fetchPlaylistName path =
+    get
+        { url = "/videos/" ++ path ++ "description.json"
+        , resolver = Http.stringResolver parsePlaylistName
+        }
+
+
+fetchPlaylistVideoPaths : String -> Task x (List String)
+fetchPlaylistVideoPaths name =
+    get
+        { url = "/videos/" ++ name
+        , resolver = Http.stringResolver parseHrefs
+        }
+
+
 parseVideo : String -> Http.Response String -> Result x Video
 parseVideo url result =
     case result of
@@ -114,37 +139,8 @@ parsePlaylistName result =
             Ok ""
 
 
-parsePlaylistVideoPaths : Http.Response String -> Result x (List String)
+parseHrefs : Http.Response String -> Result x (List String)
-parsePlaylistVideoPaths result =
+parseHrefs result =
-    case result of
-        Http.GoodStatus_ _ content ->
-            let
-                withoutDoctype =
-                    if String.startsWith "<!doctype" (String.toLower content) then
-                        String.lines content |> List.drop 1 |> String.join "\n"
-
-                    else
-                        content
-
-                decoded =
-                    Html.Parser.run withoutDoctype
-
-                hrefs =
-                    Result.map findHrefs decoded
-            in
-            case hrefs of
-                Ok h ->
-                    Ok (List.filter (String.endsWith "/") h)
-
-                _ ->
-                    Ok []
-
-        _ ->
-            Ok []
-
-
-parsePlaylistPath : Http.Response String -> Result x (List String)
-parsePlaylistPath result =
     case result of
         Http.GoodStatus_ _ content ->
             let
@@ -211,4 +207,4 @@ decodeVideo : String -> Decode.Decoder Video
 decodeVideo url =
     Decode.map2 (\x y -> Video x url y)
         (Decode.field "title" Decode.string)
-        (Decode.field "duration" Decode.float)
+        (Decode.map Basics.round (Decode.field "duration" Decode.float))

src/Updates.elm

@@ -1,17 +0,0 @@
-module Updates exposing (update)
-
-import Core
-
-
-update : Core.Msg -> Core.Model -> ( Core.Model, Cmd Core.Msg )
-update msg model =
-    case msg of
-        Core.Noop ->
-            ( model, Cmd.none )
-
-        Core.ReceivedPlaylists playlists ->
-            let
-                _ =
-                    Debug.log "p" playlists
-            in
-            ( model, Cmd.none )

src/Views.elm

@@ -1,12 +1,197 @@
 module Views exposing (view)
 
 import Browser
+import Colors
+import Consts
 import Core
-import Element
+import Element exposing (Element)
+import Element.Background as Background
+import Element.Border as Border
+import Element.Font as Font
+import Element.Input as Input
+import Twitch
 
 
-view : Core.Model -> Browser.Document Core.Msg
+view : Core.FullModel -> Browser.Document Core.Msg
 view model =
-    { title = "twitch.tforgione.fr"
+    { title = Consts.url
-    , body = [ Element.layout [] (Element.text "sup") ]
+    , body = [ Element.layout [] (viewContent model) ]
     }
+
+
+viewContent : Core.FullModel -> Element Core.Msg
+viewContent model =
+    let
+        content =
+            case model of
+                Core.Unloaded ->
+                    Element.none
+
+                Core.Loaded submodel ->
+                    mainView submodel
+    in
+    Element.column [ Element.width Element.fill ] [ topBar, content ]
+
+
+mainView : Core.Model -> Element Core.Msg
+mainView model =
+    case model.page of
+        Core.Home ->
+            playlistsView model.playlists
+
+
+topBar : Element Core.Msg
+topBar =
+    Element.row
+        [ Element.width Element.fill
+        , Background.color Colors.primary
+        , Font.color Colors.white
+        , Font.size Consts.homeFontSize
+        ]
+        [ homeButton ]
+
+
+homeButton : Element Core.Msg
+homeButton =
+    Input.button
+        [ Element.padding Consts.homePadding
+        , Element.height Element.fill
+        , Element.mouseOver [ Background.color Colors.primaryOver ]
+        , Font.bold
+        ]
+        { label = Element.text Consts.name
+        , onPress = Nothing
+        }
+
+
+playlistsView : List Twitch.Playlist -> Element Core.Msg
+playlistsView playlists =
+    let
+        empty =
+            Element.el [ Element.width Element.fill ] Element.none
+
+        views =
+            List.map playlistView playlists
+
+        grouped =
+            group 4 views
+
+        rows =
+            grouped
+                |> List.map (\x -> List.map (Maybe.withDefault empty) x)
+                |> List.map (Element.row [ Element.spacing 10, Element.width Element.fill ])
+
+        final =
+            Element.column [ Element.padding 10, Element.spacing 10, Element.width Element.fill ] rows
+    in
+    final
+
+
+playlistView : Twitch.Playlist -> Element Core.Msg
+playlistView playlist =
+    let
+        image =
+            Element.image [ Element.width Element.fill, Element.height Element.fill, Element.inFront inFront ]
+                { description = "", src = Twitch.playlistMiniatureUrl playlist }
+
+        length =
+            List.length playlist.videos
+
+        label =
+            String.fromInt length
+                ++ " video"
+                ++ (if length > 1 then
+                        "s"
+
+                    else
+                        ""
+                   )
+
+        inFront =
+            Element.el
+                [ Element.alignBottom
+                , Element.alignRight
+                , Background.color Colors.greyBackground
+                , Border.rounded 5
+                , Element.padding 5
+                , Font.color Colors.white
+                ]
+                (Element.text label)
+                |> Element.el [ Element.alignBottom, Element.alignRight, Element.padding 5 ]
+
+        display =
+            Element.column [ Element.width Element.fill, Element.spacing 10 ]
+                [ image
+                , Element.paragraph [ Font.bold, Font.color Colors.blackFont ] [ Element.text playlist.name ]
+                ]
+
+        button =
+            Input.button [ Element.width Element.fill, Element.alignTop ]
+                { label = display
+                , onPress = Nothing
+                }
+    in
+    button
+
+
+formatTime : Int -> String
+formatTime time =
+    String.fromInt (toHours time)
+        ++ ":"
+        ++ String.fromInt (toMinutes time)
+        ++ ":"
+        ++ String.fromInt (toSeconds time)
+
+
+toHours : Int -> Int
+toHours i =
+    i // 3600
+
+
+toMinutes : Int -> Int
+toMinutes i =
+    modBy 3600 i // 60
+
+
+toSeconds : Int -> Int
+toSeconds i =
+    modBy 60 i
+
+
+group : Int -> List a -> List (List (Maybe a))
+group size list =
+    let
+        grouped =
+            List.map (List.map Just) (groupAux size list [])
+
+        groupedRev =
+            List.reverse grouped
+
+        ( firstFixed, tail ) =
+            case groupedRev of
+                h :: t ->
+                    ( List.concat [ h, List.repeat (size - List.length h) Nothing ], t )
+
+                [] ->
+                    ( [], [] )
+
+        fixed =
+            (firstFixed :: tail) |> List.reverse
+    in
+    fixed
+
+
+groupAux : Int -> List a -> List (List a) -> List (List a)
+groupAux size list acc =
+    if List.isEmpty list then
+        acc
+
+    else
+        let
+            groupHead =
+                List.take size list
+
+            groupTail =
+                List.drop size list
+        in
+        groupAux size groupTail (groupHead :: acc)