From 1d1a22fa20279681e75927389e42496fce58301b Mon Sep 17 00:00:00 2001
From: Moh Achun Armando <mohamad.armando@kumparan.com>
Date: Thu, 18 Jan 2024 13:41:40 +0700
Subject: [PATCH] feature: add IsURLReachable

---
 bson_test.go |  5 ++---
 url.go       | 14 ++++++++++++++
 url_test.go  | 24 +++++++++++++++++++++++-
 3 files changed, 39 insertions(+), 4 deletions(-)

diff --git a/bson_test.go b/bson_test.go
index f20d19b..1b2248d 100644
--- a/bson_test.go
+++ b/bson_test.go
@@ -16,15 +16,14 @@ func BenchmarkTimeFromObjectIDHex(_ *testing.B) {
 
 	for _, v := range cases {
 		_, _ = TimeFromObjectIDHex(v)
-
 	}
 }
 
 func TestTimeFromObjectIDHex(t *testing.T) {
 	t.Run("valid hex objectID", func(t *testing.T) {
 		cases := map[string]time.Time{
-			"63acfc824ffda9000ee65045": time.Date(2022, time.December, 29, 2, 33, 38, 0, time.Local),
-			"5c4b288bac1b2972d0291377": time.Date(2019, time.January, 25, 15, 17, 31, 0, time.Local),
+			"63acfc824ffda9000ee65045": time.Date(2022, time.December, 29, 2, 33, 38, 0, time.UTC),
+			"5c4b288bac1b2972d0291377": time.Date(2019, time.January, 25, 15, 17, 31, 0, time.UTC),
 		}
 
 		for k, v := range cases {
diff --git a/url.go b/url.go
index 6099658..b7d1db8 100644
--- a/url.go
+++ b/url.go
@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"net/http"
 	"net/url"
 	"path"
 )
@@ -16,3 +17,16 @@ func JoinURL(baseURL string, pathElements ...string) (string, error) {
 	u.Path = path.Join(append(append(elements, u.Path), pathElements...)...)
 	return u.String(), nil
 }
+
+// IsURLReachable check is the url reachable
+func IsURLReachable(url string) bool {
+	res, err := http.Head(url) //nolint:gosec
+	if err != nil {
+		return false
+	}
+	defer func() {
+		_ = res.Body.Close()
+	}()
+
+	return res.StatusCode == http.StatusOK
+}
diff --git a/url_test.go b/url_test.go
index 0e690a6..1cc9c13 100644
--- a/url_test.go
+++ b/url_test.go
@@ -48,7 +48,6 @@ func Test_JoinURL(t *testing.T) {
 
 			assert.Equal(t, "https://kumparan.com/trending/feed", resURL)
 			assert.NoError(t, err)
-
 		})
 	})
 
@@ -69,3 +68,26 @@ func Test_JoinURL(t *testing.T) {
 		assert.NoError(t, err)
 	})
 }
+
+func TestIsURLReachable(t *testing.T) {
+	t.Run("should return true on valid + reachable url", func(t *testing.T) {
+		url := "https://google.com"
+
+		res := IsURLReachable(url)
+		assert.True(t, res)
+	})
+
+	t.Run("should return false on valid + not reachable url", func(t *testing.T) {
+		url := "https://haha.hihi"
+
+		res := IsURLReachable(url)
+		assert.False(t, res)
+	})
+
+	t.Run("should return false on invalid + not reachable url", func(t *testing.T) {
+		url := "haha"
+
+		res := IsURLReachable(url)
+		assert.False(t, res)
+	})
+}