Shift all the parts up a number.

part8/ElmHub.elm

@@ -10,11 +10,10 @@ import Effects exposing (Effects)
 import Json.Decode exposing (Decoder, (:=))
 import Json.Encode
 import Signal exposing (Address)
-import Dict exposing (Dict)
 
 
-searchFeed : String -> Task x Action
-searchFeed query =
+searchFeed : Address String -> String -> Task x Action
+searchFeed address query =
   let
     -- See https://developer.github.com/v3/search/#example for how to customize!
     url =
@@ -24,11 +23,13 @@ searchFeed query =
         ++ query
         ++ "+language:elm&sort=stars&order=desc"
 
+    -- These only talk to JavaScript ports now. They don't
+    -- actually do any actions themselves.
     task =
-      Http.get responseDecoder url
-        |> Task.map SetResults
+      Signal.send address query
+        |> Task.map (\_ -> DoNothing)
   in
-    Task.onError task (\_ -> Task.succeed (SetResults []))
+    Task.onError task (\_ -> Task.succeed DoNothing)
 
 
 responseDecoder : Decoder (List SearchResult)
@@ -47,7 +48,7 @@ searchResultDecoder =
 
 type alias Model =
   { query : String
-  , results : Dict ResultId SearchResult
+  , results : List SearchResult
   }
 
 
@@ -65,7 +66,7 @@ type alias ResultId =
 initialModel : Model
 initialModel =
   { query = "tutorial"
-  , results = Dict.empty
+  , results = []
   }
 
 
@@ -82,16 +83,10 @@ view address model =
     , button [ class "search-button", onClick address Search ] [ text "Search" ]
     , ul
         [ class "results" ]
-        (viewSearchResults address model.results)
+        (List.map (viewSearchResult address) model.results)
     ]
 
 
-viewSearchResults : Address Action -> Dict ResultId SearchResult -> List Html
-viewSearchResults address results =
-  -- TODO sort by star count and render
-  []
-
-
 onInput address wrap =
   on "input" targetValue (\val -> Signal.message address (wrap val))
 
@@ -119,26 +114,35 @@ type Action
   | SetQuery String
   | DeleteById ResultId
   | SetResults (List SearchResult)
+  | DoNothing
 
 
-update : Action -> Model -> ( Model, Effects Action )
-update action model =
+update : Address String -> Action -> Model -> ( Model, Effects Action )
+update searchAddress action model =
   case action of
     Search ->
-      ( model, Effects.task (searchFeed model.query) )
+      ( model, Effects.task (searchFeed searchAddress model.query) )
 
     SetQuery query ->
       ( { model | query = query }, Effects.none )
 
     SetResults results ->
       let
-        resultsById : Dict ResultId SearchResult
-        resultsById =
-          -- TODO convert results list into a Dict
-          Dict.empty
+        newModel =
+          { model | results = results }
       in
-        ( { model | results = resultsById }, Effects.none )
+        ( newModel, Effects.none )
 
-    DeleteById id ->
-      -- TODO delete the result with the given id
+    DeleteById idToHide ->
+      let
+        newResults =
+          model.results
+            |> List.filter (\{ id } -> id /= idToHide)
+
+        newModel =
+          { model | results = newResults }
+      in
+        ( newModel, Effects.none )
+
+    DoNothing ->
       ( model, Effects.none )

part8/Main.elm

@@ -5,6 +5,9 @@ import ElmHub exposing (..)
 import Effects exposing (Effects)
 import Task exposing (Task)
 import Html exposing (Html)
+import Signal
+import Json.Encode
+import Json.Decode
 
 
 main : Signal Html
@@ -16,12 +19,40 @@ app : StartApp.App Model
 app =
   StartApp.start
     { view = view
-    , update = update
-    , init = ( initialModel, Effects.task (searchFeed initialModel.query) )
-    , inputs = []
+    , update = update search.address
+    , init = ( initialModel, Effects.task (searchFeed search.address initialModel.query) )
+    , inputs = [ responseActions ]
     }
 
 
 port tasks : Signal (Task Effects.Never ())
 port tasks =
   app.tasks
+
+
+search : Signal.Mailbox String
+search =
+  Signal.mailbox ""
+
+
+port githubSearch : Signal String
+port githubSearch =
+  search.signal
+
+
+responseActions : Signal Action
+responseActions =
+  Signal.map decodeGithubResponse githubResponse
+
+
+decodeGithubResponse : Json.Encode.Value -> Action
+decodeGithubResponse value =
+  case Json.Decode.decodeValue responseDecoder value of
+    Ok results ->
+      SetResults results
+
+    Err _ ->
+      DoNothing
+
+
+port githubResponse : Signal Json.Encode.Value

part8/README.md

@@ -1,4 +1,4 @@
-Part 8
+Part 7
 ======
 
 ## Installation
@@ -15,3 +15,11 @@ to fail; in that case, just run `elm package install` again.)
 ```bash
 elm live Main.elm --open -- --output=elm.js
 ```
+
+## Running Tests
+
+```bash
+cd test
+elm package install
+elm test TestRunner.elm
+```

part8/index.html

@@ -4,23 +4,37 @@
 <head>
   <meta charset="UTF-8">
   <title>ElmHub</title>
+  <script type="text/javascript" src="github.js"></script>
   <script type="text/javascript" src="elm.js"></script>
-
-  <!-- Uncomment the below line to enable elm-reactor support. -->
-  <!-- <script type="text/javascript" src="/_reactor/debug.js"></script> -->
-
   <link rel="stylesheet" href="style.css">
   <link rel="icon" type="image/png" href="elm-hub.png">
 </head>
 
 <body>
+  <div id="elm-landing-pad"></div>
 </body>
 
 <script type="text/javascript">
-  var app = Elm.fullscreen(Elm.Main, {});
+  // documentation: https://github.com/michael/github
+  var github = new Github();
 
-  // Uncomment this line and comment out the above to enable elm-reactor support.
-  // var app = Elm.fullscreenDebug("ElmHub", "Main.elm");
+  var app = Elm.embed(
+    Elm.Main,
+    document.getElementById("elm-landing-pad"),
+    {githubResponse: []});
+
+  function searchGithub(query) {
+    console.log("Searching for", query);
+    var search = github.getSearch(query);
+
+    search.repositories({}, function (err, repositories) {
+      console.log("Got response", repositories);
+
+      // TODO: app.ports.portNameGoesHere.send(repositories);
+    });
+  }
+
+  // TODO app.ports.portNameGoesHere.subscribe(searchGithub);
 </script>
 
 </html>