Move things around some more.

stages/10/ElmHub.elm

@@ -0,0 +1,124 @@
+module ElmHub (..) where
+
+import Html exposing (..)
+import Html.Attributes exposing (..)
+import Html.Events exposing (..)
+import Http
+import Task exposing (Task)
+import Effects exposing (Effects)
+import Json.Decode exposing (Decoder, (:=))
+import Json.Encode
+import Signal exposing (Address)
+import Dict exposing (Dict)
+import SearchResult
+
+
+searchFeed : String -> Task x Action
+searchFeed query =
+  let
+    -- See https://developer.github.com/v3/search/#example for how to customize!
+    url =
+      "https://api.github.com/search/repositories?q="
+        ++ query
+        ++ "+language:elm"
+
+    task =
+      Http.get responseDecoder url
+        |> Task.map SetResults
+  in
+    Task.onError task (\_ -> Task.succeed (SetResults []))
+
+
+responseDecoder : Decoder (List SearchResult.Model)
+responseDecoder =
+  -- TODO use SearchResult's decoder
+  --Json.Decode.succeed []
+  ("items" := Json.Decode.list SearchResult.decoder)
+
+
+type alias Model =
+  { query : String
+  , results : Dict SearchResult.ResultId SearchResult.Model
+  }
+
+
+initialModel : Model
+initialModel =
+  { query = "tutorial"
+  , results = Dict.empty
+  }
+
+
+view : Address Action -> Model -> Html
+view address model =
+  div
+    [ class "content" ]
+    [ header
+        []
+        [ h1 [] [ text "ElmHub" ]
+        , span [ class "tagline" ] [ text "“Like GitHub, but for Elm things.”" ]
+        ]
+    , input [ class "search-query", onInput address SetQuery, defaultValue model.query ] []
+    , button [ class "search-button", onClick address Search ] [ text "Search" ]
+    , ul
+        [ class "results" ]
+        (viewSearchResults address model.results)
+    ]
+
+
+viewSearchResults : Address Action -> Dict SearchResult.ResultId SearchResult.Model -> List Html
+viewSearchResults address results =
+  results
+    |> Dict.values
+    |> List.sortBy (.stars >> negate)
+    |> filterResults
+    |> List.map (SearchResult.view address DeleteById)
+
+
+filterResults : List SearchResult.Model -> List SearchResult.Model
+filterResults results =
+  -- TODO filter out repos with 0 stars
+  -- using a case-expression rather than List.filter
+  results
+
+
+onInput address wrap =
+  on "input" targetValue (\val -> Signal.message address (wrap val))
+
+
+defaultValue str =
+  property "defaultValue" (Json.Encode.string str)
+
+
+type Action
+  = Search
+  | SetQuery String
+  | DeleteById SearchResult.ResultId
+  | SetResults (List SearchResult.Model)
+
+
+update : Action -> Model -> ( Model, Effects Action )
+update action model =
+  case action of
+    Search ->
+      ( model, Effects.task (searchFeed model.query) )
+
+    SetQuery query ->
+      ( { model | query = query }, Effects.none )
+
+    SetResults results ->
+      let
+        resultsById : Dict SearchResult.ResultId SearchResult.Model
+        resultsById =
+          results
+            |> List.map (\result -> ( result.id, result ))
+            |> Dict.fromList
+      in
+        ( { model | results = resultsById }, Effects.none )
+
+    DeleteById id ->
+      let
+        newModel =
+          { model | results = Dict.remove id model.results }
+      in
+        ( newModel, Effects.none )

stages/10/Main.elm

@@ -1,7 +1,7 @@
 module Main (..) where
 
 import StartApp
-import Component.ElmHub exposing (..)
+import ElmHub exposing (..)
 import Effects exposing (Effects)
 import Task exposing (Task)
 import Html exposing (Html)

stages/10/SearchResult.elm

@@ -0,0 +1,50 @@
+module SearchResult (..) where
+
+import Html exposing (..)
+import Html.Attributes exposing (..)
+import Html.Events exposing (..)
+import Json.Decode exposing (Decoder, (:=))
+import Signal exposing (Address)
+import Dict exposing (Dict)
+
+
+type alias ResultId =
+  Int
+
+
+type alias Model =
+  { id : ResultId
+  , name : String
+  , stars : Int
+  }
+
+
+decoder : Decoder Model
+decoder =
+  Json.Decode.object3
+    Model
+    ("id" := Json.Decode.int)
+    ("full_name" := Json.Decode.string)
+    ("stargazers_count" := Json.Decode.int)
+
+
+view : Address a -> (Int -> a) -> Model -> Html
+view address delete result =
+  li
+    []
+    [ span [ class "star-count" ] [ text (toString result.stars) ]
+    , a
+        [ href
+            ("https://github.com/"
+              ++ (Debug.log
+                    "TODO we should not see this when typing in the search box!"
+                    result.name
+                 )
+            )
+        , target "_blank"
+        ]
+        [ text result.name ]
+    , button
+        [ class "hide-result", onClick address (delete result.id) ]
+        [ text "X" ]
+    ]

stages/11/Component/ElmHub.elm

@@ -82,21 +82,16 @@ viewSearchResults address results =
 
 
 filterResults : List Component.SearchResult.Model -> List Component.SearchResult.Model
-filterResults =
-  filterResultsHelp []
-
-
-filterResultsHelp : List Component.SearchResult.Model -> List Component.SearchResult.Model -> List Component.SearchResult.Model
-filterResultsHelp output results =
+filterResults results =
   case results of
     [] ->
-      output
+      []
 
     first :: rest ->
       if first.stars > 0 then
-        filterResultsHelp (first :: output) rest
+        first :: (filterResults rest)
       else
-        filterResultsHelp output rest
+        filterResults rest
 
 
 onInput address wrap =
@@ -111,7 +106,7 @@ viewSearchResult : Address Action -> Component.SearchResult.Model -> Html
 viewSearchResult address result =
   Component.SearchResult.view
     (Signal.forwardTo address (UpdateSearchResult result.id))
-    result
+    (Debug.log "rendering result..." result)
 
 
 type Action

stages/11/Component/SearchResult.elm

@@ -26,12 +26,8 @@ type Action
 
 update : Action -> Model -> ( Model, Effects Action )
 update action model =
-  case action of
-    Expand ->
-      ( { model | expanded = True }, Effects.none )
-
-    Collapse ->
-      ( { model | expanded = False }, Effects.none )
+  -- TODO make expand and collapse work
+  ( model, Effects.none )
 
 
 view : Address Action -> Model -> Html
@@ -44,11 +40,13 @@ view address model =
             [ href ("https://github.com/" ++ model.name), target "_blank" ]
             [ text model.name ]
         , button
-            [ class "hide-result", onClick address Collapse ]
+            -- TODO when the user clicks, send a Collapse action
+            [ class "hide-result" ]
             [ text "X" ]
         ]
        else
         [ button
-            [ class "expand-result", onClick address Expand ]
+            -- TODO when the user clicks, send an Expand action
+            [ class "expand-result" ]
             [ text "Show" ]
         ]

stages/11/README.md

@@ -16,8 +16,10 @@ to fail; in that case, just run `elm package install` again.)
 elm live Main.elm --open -- --output=elm.js
 ```
 
-## Compiling CSS
+## Running Tests
 
 ```bash
-elm css css/Stylesheets.elm
+cd test
+elm package install
+elm test TestRunner.elm
 ```

stages/11/elm-package.json

@@ -12,8 +12,7 @@
         "evancz/elm-effects": "2.0.0 <= v < 3.0.0",
         "evancz/elm-html": "4.0.0 <= v < 5.0.0",
         "evancz/elm-http": "3.0.0 <= v < 4.0.0",
-        "evancz/start-app": "2.0.0 <= v < 3.0.0",
-        "rtfeldman/elm-css": "1.0.0 <= v < 2.0.0"
+        "evancz/start-app": "2.0.0 <= v < 3.0.0"
     },
     "elm-version": "0.16.0 <= v < 0.17.0"
 }

stages/11/style.css

@@ -1 +1,92 @@
 
+.content {
+  width: 960px;
+  margin: 0 auto;
+  padding: 30px;
+  font-family: Helvetica, Arial, serif;
+}
+
+header {
+  position: relative;
+  padding: 6px 12px;
+  height: 36px;
+  background-color: rgb(96, 181, 204);
+}
+
+h1 {
+  color: white;
+  font-weight: normal;
+  margin: 0;
+}
+
+.tagline {
+  color: #eee;
+  position: absolute;
+  right: 16px;
+  top: 12px;
+  font-size: 24px;
+  font-style: italic;
+}
+
+.results {
+  list-style-image: url('http://img-cache.cdn.gaiaonline.com/76bd5c99d8f2236e9d3672510e933fdf/http://i278.photobucket.com/albums/kk81/d3m3nt3dpr3p/Tiny-Star-Icon.png');
+  list-style-position: inside;
+  padding: 0;
+}
+
+.results li {
+  font-size: 18px;
+  margin-bottom: 16px;
+}
+
+.star-count {
+  font-weight: bold;
+  margin-right: 16px;
+}
+
+a {
+  color: rgb(96, 181, 204);
+  text-decoration: none;
+}
+
+a:hover {
+  text-decoration: underline;
+}
+
+.search-query {
+  padding: 8px;
+  font-size: 24px;
+  margin-bottom: 18px;
+  margin-top: 36px;
+}
+
+.search-button {
+  padding: 8px 16px;
+  font-size: 24px;
+  color: white;
+  border: 1px solid #ccc;
+  background-color: rgb(96, 181, 204);
+  margin-left: 12px
+}
+
+.search-button:hover {
+  color: rgb(96, 181, 204);
+  background-color: white;
+}
+
+.hide-result {
+  background-color: transparent;
+  border: 0;
+  font-weight: bold;
+  font-size: 18px;
+  margin-left: 18px;
+  cursor: pointer;
+}
+
+.hide-result:hover {
+  color: rgb(96, 181, 204);
+}
+
+button:focus, input:focus {
+  outline: none;
+}

stages/12/Component/ElmHub.elm

@@ -82,16 +82,21 @@ viewSearchResults address results =
 
 
 filterResults : List Component.SearchResult.Model -> List Component.SearchResult.Model
-filterResults results =
+filterResults =
+  filterResultsHelp []
+
+
+filterResultsHelp : List Component.SearchResult.Model -> List Component.SearchResult.Model -> List Component.SearchResult.Model
+filterResultsHelp output results =
   case results of
     [] ->
-      []
+      output
 
     first :: rest ->
       if first.stars > 0 then
-        first :: (filterResults rest)
+        filterResultsHelp (first :: output) rest
       else
-        filterResults rest
+        filterResultsHelp output rest
 
 
 onInput address wrap =
@@ -106,7 +111,7 @@ viewSearchResult : Address Action -> Component.SearchResult.Model -> Html
 viewSearchResult address result =
   Component.SearchResult.view
     (Signal.forwardTo address (UpdateSearchResult result.id))
-    (Debug.log "rendering result..." result)
+    result
 
 
 type Action

stages/12/Component/SearchResult.elm

@@ -26,8 +26,12 @@ type Action
 
 update : Action -> Model -> ( Model, Effects Action )
 update action model =
-  -- TODO make expand and collapse work
-  ( model, Effects.none )
+  case action of
+    Expand ->
+      ( { model | expanded = True }, Effects.none )
+
+    Collapse ->
+      ( { model | expanded = False }, Effects.none )
 
 
 view : Address Action -> Model -> Html
@@ -40,13 +44,11 @@ view address model =
             [ href ("https://github.com/" ++ model.name), target "_blank" ]
             [ text model.name ]
         , button
-            -- TODO when the user clicks, send a Collapse action
-            [ class "hide-result" ]
+            [ class "hide-result", onClick address Collapse ]
             [ text "X" ]
         ]
        else
         [ button
-            -- TODO when the user clicks, send an Expand action
-            [ class "expand-result" ]
+            [ class "expand-result", onClick address Expand ]
             [ text "Show" ]
         ]

stages/12/Main.elm

@@ -0,0 +1,27 @@
+module Main (..) where
+
+import StartApp
+import Component.ElmHub exposing (..)
+import Effects exposing (Effects)
+import Task exposing (Task)
+import Html exposing (Html)
+
+
+main : Signal Html
+main =
+  app.html
+
+
+app : StartApp.App Model
+app =
+  StartApp.start
+    { view = view
+    , update = update
+    , init = ( initialModel, Effects.task (searchFeed initialModel.query) )
+    , inputs = []
+    }
+
+
+port tasks : Signal (Task Effects.Never ())
+port tasks =
+  app.tasks

stages/12/README.md

@@ -0,0 +1,23 @@
+Stage 12
+========
+
+## Installation
+
+```bash
+elm package install
+```
+
+(Answer `y` at the prompt. In rare cases a known issue can cause the download
+to fail; in that case, just run `elm package install` again.)
+
+## Building
+
+```bash
+elm live Main.elm --open -- --output=elm.js
+```
+
+## Compiling CSS
+
+```bash
+elm css css/Stylesheets.elm
+```

stages/12/elm-package.json

@@ -0,0 +1,19 @@
+{
+    "version": "1.0.0",
+    "summary": "Like GitHub, but for Elm stuff.",
+    "repository": "https://github.com/rtfeldman/elm-workshop.git",
+    "license": "BSD-3-Clause",
+    "source-directories": [
+        "."
+    ],
+    "exposed-modules": [],
+    "dependencies": {
+        "elm-lang/core": "3.0.0 <= v < 4.0.0",
+        "evancz/elm-effects": "2.0.0 <= v < 3.0.0",
+        "evancz/elm-html": "4.0.0 <= v < 5.0.0",
+        "evancz/elm-http": "3.0.0 <= v < 4.0.0",
+        "evancz/start-app": "2.0.0 <= v < 3.0.0",
+        "rtfeldman/elm-css": "1.0.0 <= v < 2.0.0"
+    },
+    "elm-version": "0.16.0 <= v < 0.17.0"
+}

stages/12/index.html

@@ -0,0 +1,26 @@
+<!DOCTYPE HTML>
+<html>
+
+<head>
+  <meta charset="UTF-8">
+  <title>ElmHub</title>
+  <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>
+</body>
+
+<script type="text/javascript">
+  var app = Elm.fullscreen(Elm.Main, {});
+
+  // Uncomment this line and comment out the above to enable elm-reactor support.
+  // var app = Elm.fullscreenDebug("ElmHub", "Main.elm");
+</script>
+
+</html>

stages/12/style.css

@@ -0,0 +1 @@
+

stages/12/test/TestRunner.elm

@@ -0,0 +1,15 @@
+module Main where
+
+import Signal exposing (Signal)
+
+import ElmTest exposing (consoleRunner)
+import Console exposing (IO, run)
+import Task
+
+import Tests
+
+console : IO ()
+console = consoleRunner Tests.all
+
+port runner : Signal (Task.Task x ())
+port runner = run console

stages/12/test/Tests.elm

@@ -0,0 +1,35 @@
+module Tests (..) where
+
+import ElmTest exposing (..)
+import ElmHub exposing (responseDecoder)
+import Json.Decode exposing (decodeString)
+
+
+all : Test
+all =
+  suite
+    "Decoding responses from GitHub"
+    [ test "they can decode empty responses"
+        <| let
+            emptyResponse =
+              """{ "items": [] }"""
+           in
+            assertEqual
+              (decodeString responseDecoder emptyResponse)
+              (Ok [])
+    , test "they can decode responses with results in them"
+        <| let
+            response =
+              """{ "items": [
+                { "id": 5, "full_name": "foo", "stargazers_count": 42 },
+                { "id": 3, "full_name": "bar", "stargazers_count": 77 }
+              ] }"""
+           in
+            assertEqual
+              (decodeString responseDecoder response)
+              (Ok
+                [ { id = 5, name = "foo", stars = 42 }
+                , { id = 3, name = "bar", stars = 77 }
+                ]
+              )
+    ]

stages/12/test/elm-package.json

@@ -0,0 +1,21 @@
+{
+    "version": "1.0.0",
+    "summary": "Like GitHub, but for Elm stuff.",
+    "repository": "https://github.com/rtfeldman/elm-workshop.git",
+    "license": "BSD-3-Clause",
+    "source-directories": [
+        ".",
+        ".."
+    ],
+    "exposed-modules": [],
+    "dependencies": {
+        "deadfoxygrandpa/elm-test": "3.1.1 <= v < 4.0.0",
+        "elm-lang/core": "3.0.0 <= v < 4.0.0",
+        "evancz/elm-effects": "2.0.0 <= v < 3.0.0",
+        "evancz/elm-html": "4.0.0 <= v < 5.0.0",
+        "evancz/elm-http": "3.0.0 <= v < 4.0.0",
+        "evancz/start-app": "2.0.0 <= v < 3.0.0",
+        "laszlopandy/elm-console": "1.0.3 <= v < 2.0.0"
+    },
+    "elm-version": "0.16.0 <= v < 0.17.0"
+}

stages/9/ElmHub.elm

@@ -11,6 +11,7 @@ import Json.Decode exposing (Decoder, (:=))
 import Json.Encode
 import Signal exposing (Address)
 import Dict exposing (Dict)
+import SearchResult
 
 
 searchFeed : String -> Task x Action
@@ -29,37 +30,18 @@ searchFeed query =
     Task.onError task (\_ -> Task.succeed (SetResults []))
 
 
-responseDecoder : Decoder (List SearchResult)
+responseDecoder : Decoder (List SearchResult.Model)
 responseDecoder =
-  "items" := Json.Decode.list searchResultDecoder
-
-
-searchResultDecoder : Decoder SearchResult
-searchResultDecoder =
-  Json.Decode.object3
-    SearchResult
-    ("id" := Json.Decode.int)
-    ("full_name" := Json.Decode.string)
-    ("stargazers_count" := Json.Decode.int)
+  -- TODO use SearchResult's decoder
+  Json.Decode.succeed []
 
 
 type alias Model =
   { query : String
-  , results : Dict ResultId SearchResult
+  , results : Dict SearchResult.ResultId SearchResult.Model
   }
 
 
-type alias SearchResult =
-  { id : ResultId
-  , name : String
-  , stars : Int
-  }
-
-
-type alias ResultId =
-  Int
-
-
 initialModel : Model
 initialModel =
   { query = "tutorial"
@@ -84,20 +66,12 @@ view address model =
     ]
 
 
-viewSearchResults : Address Action -> Dict ResultId SearchResult -> List Html
+viewSearchResults : Address Action -> Dict SearchResult.ResultId SearchResult.Model -> List Html
 viewSearchResults address results =
   results
     |> Dict.values
     |> List.sortBy (.stars >> negate)
-    |> filterResults
-    |> List.map (viewSearchResult address)
-
-
-filterResults : List SearchResult -> List SearchResult
-filterResults results =
-  -- TODO filter out repos with 0 stars
-  -- using a case-expression rather than List.filter
-  []
+    |> List.map (SearchResult.view address)
 
 
 onInput address wrap =
@@ -108,33 +82,11 @@ defaultValue str =
   property "defaultValue" (Json.Encode.string str)
 
 
-viewSearchResult : Address Action -> SearchResult -> Html
-viewSearchResult address result =
-  li
-    []
-    [ span [ class "star-count" ] [ text (toString result.stars) ]
-    , a
-        [ href
-            ("https://github.com/"
-              ++ (Debug.log "Viewing" result.name)
-             {- TODO we should no longer see this
-             console output when typing in the search box!
-             -}
-            )
-        , target "_blank"
-        ]
-        [ text result.name ]
-    , button
-        [ class "hide-result", onClick address (DeleteById result.id) ]
-        [ text "X" ]
-    ]
-
-
 type Action
   = Search
   | SetQuery String
-  | DeleteById ResultId
-  | SetResults (List SearchResult)
+  | DeleteById SearchResult.ResultId
+  | SetResults (List SearchResult.Model)
 
 
 update : Action -> Model -> ( Model, Effects Action )
@@ -148,7 +100,7 @@ update action model =
 
     SetResults results ->
       let
-        resultsById : Dict ResultId SearchResult
+        resultsById : Dict SearchResult.ResultId SearchResult.Model
         resultsById =
           results
             |> List.map (\result -> ( result.id, result ))

stages/9/SearchResult.elm

@@ -0,0 +1,45 @@
+module SearchResult (..) where
+
+import Html exposing (..)
+import Html.Attributes exposing (..)
+import Html.Events exposing (..)
+import Json.Decode exposing (Decoder, (:=))
+import Signal exposing (Address)
+import Dict exposing (Dict)
+
+
+type alias ResultId =
+  Int
+
+
+type alias Model =
+  { id : ResultId
+  , name : String
+  , stars : Int
+  }
+
+
+decoder : Decoder Model
+decoder =
+  Json.Decode.object3
+    Model
+    ("id" := Json.Decode.int)
+    ("full_name" := Json.Decode.string)
+    ("stargazers_count" := Json.Decode.int)
+
+
+view : Address a -> Model -> Html
+view address result =
+  li
+    []
+    [ span [ class "star-count" ] [ text (toString result.stars) ]
+    , a
+        [ href ("https://github.com/" ++ result.name)
+        , target "_blank"
+        ]
+        [ text result.name ]
+    , button
+        -- TODO onClick, send a delete action to the address
+        [ class "hide-result" ]
+        [ text "X" ]
+    ]