Adding an (ugly) elm implementation

3 files changed, 137 insertions, 0 deletions

diff --git a/challenge-100/lance-wicks/elm/elm.json b/challenge-100/lance-wicks/elm/elm.json
new file mode 100644
index 0000000000..7468f5e5cd
--- /dev/null
+++ b/challenge-100/lance-wicks/elm/elm.json
@@ -0,0 +1,28 @@
+{
+    "type": "application",
+    "source-directories": [
+        "src"
+    ],
+    "elm-version": "0.19.1",
+    "dependencies": {
+        "direct": {
+            "elm/browser": "1.0.2",
+            "elm/core": "1.0.5",
+            "elm/html": "1.0.0"
+        },
+        "indirect": {
+            "elm/json": "1.1.3",
+            "elm/time": "1.0.0",
+            "elm/url": "1.0.0",
+            "elm/virtual-dom": "1.0.2"
+        }
+    },
+    "test-dependencies": {
+        "direct": {
+            "elm-explorations/test": "1.2.2"
+        },
+        "indirect": {
+            "elm/random": "1.0.0"
+        }
+    }
+}
diff --git a/challenge-100/lance-wicks/elm/src/Fun.elm b/challenge-100/lance-wicks/elm/src/Fun.elm
new file mode 100644
index 0000000000..2f9775c70b
--- /dev/null
+++ b/challenge-100/lance-wicks/elm/src/Fun.elm
@@ -0,0 +1,69 @@
+module Fun exposing (convert)
+
+
+convert : String -> String
+convert time =
+    if String.contains "am" time then
+        String.slice 0 5 time
+
+    else if String.contains "pm" time then
+        let
+            hourMin =
+                String.split ":" time
+        in
+        case List.head hourMin of
+            Just a ->
+                let
+                    hour =
+                        String.toInt a
+                in
+                case hour of
+                    Just h ->
+                        let
+                            hx =
+                                h + 12
+                        in
+                        String.fromInt hx ++ String.slice 2 5 time
+
+                    Nothing ->
+                        ""
+
+            Nothing ->
+                ""
+
+    else
+        let
+            hourMin =
+                String.split ":" time
+        in
+        case List.head hourMin of
+            Just a ->
+                let
+                    hour =
+                        String.toInt a
+                in
+                case hour of
+                    Just h ->
+                        if h > 12 then
+                            let
+                                hx =
+                                    h - 12
+                            in
+                            let
+                                hourStr =
+                                    String.fromInt hx
+                            in
+                            if String.length hourStr > 1 then
+                                hourStr ++ String.slice 2 5 time ++ "pm"
+
+                            else
+                                "0" ++ hourStr ++ String.slice 2 5 time ++ "pm"
+
+                        else
+                            String.slice 0 5 time ++ "am"
+
+                    Nothing ->
+                        ""
+
+            Nothing ->
+                ""
diff --git a/challenge-100/lance-wicks/elm/tests/Example.elm b/challenge-100/lance-wicks/elm/tests/Example.elm
new file mode 100644
index 0000000000..64c70d1337
--- /dev/null
+++ b/challenge-100/lance-wicks/elm/tests/Example.elm
@@ -0,0 +1,40 @@
+module Example exposing (..)
+
+import Expect exposing (Expectation)
+import Fun exposing (convert)
+import Fuzz exposing (Fuzzer, int, list, string)
+import Test exposing (..)
+
+
+suite : Test
+suite =
+    describe "Fun"
+        [ test "convert 07:15" <|
+            \_ ->
+                let
+                    got =
+                        convert "07:15"
+                in
+                Expect.equal got "07:15am"
+        , test "convert 05:15pm" <|
+            \_ ->
+                let
+                    got =
+                        convert "05:15 pm"
+                in
+                Expect.equal got "17:15"
+        , test "convert 19:15" <|
+            \_ ->
+                let
+                    got =
+                        convert "19:15"
+                in
+                Expect.equal got "07:15pm"
+        , test "convert 09:15" <|
+            \_ ->
+                let
+                    got =
+                        convert "09:15 am"
+                in
+                Expect.equal got "09:15"
+        ]