From 0dfb7a7190b5039177627abc0cb8eed48313378b Mon Sep 17 00:00:00 2001
From: Evgeny Kuznetsov <evgeny@kuznetsov.md>
Date: Tue, 28 Jan 2020 22:48:55 +0300
Subject: use HTTPS

---
 main.go      | 13 +++++++++++--
 main_test.go | 20 ++++++++++++++++++++
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/main.go b/main.go
index c34dcf4..2d71e4d 100644
--- a/main.go
+++ b/main.go
@@ -62,7 +62,7 @@ func main() {
 	flag.StringVar(&programNumber, "brand", "57083", "brand number (defaults to Aerostat)")
 	flag.Parse()
 
-	url := "http://www.radiorus.ru/brand/" + programNumber + "/episodes"
+	url := "https://www.radiorus.ru/brand/" + programNumber + "/episodes"
 
 	feed := processURL(url)
 
@@ -156,7 +156,7 @@ func populateFeed(feed *feeds.Feed, page []byte) (err error) {
 		episodeDate := time.Date(date[2], time.Month(date[1]), date[0], date[3], date[4], 0, 0, moscow)
 
 		feed.Add(&feeds.Item{
-			Id:    episodeUrl,
+			Id:    episodeID(episodeUrl),
 			Link:  &feeds.Link{Href: episodeUrl},
 			Title: episodeTitle,
 			Enclosure: &feeds.Enclosure{
@@ -246,3 +246,12 @@ func cleanText(b []byte) []byte {
 func episodeURLPrefix(url string) string {
 	return strings.Split(url, "/brand/")[0] + "/brand/"
 }
+
+// episodeID generates episode ID from episode URL,
+// changes "https://" to "http://" for backwards compatibility purposes
+func episodeID(url string) string {
+	if strings.HasPrefix(url, "https://") {
+		return "http://" + strings.TrimPrefix(url, "https://")
+	}
+	return url
+}
diff --git a/main_test.go b/main_test.go
index 8aa272d..b3d1b7f 100644
--- a/main_test.go
+++ b/main_test.go
@@ -206,3 +206,23 @@ func TestEpisodeURLPrefix(t *testing.T) {
 		t.Fatalf("got %v, want %v", got, want)
 	}
 }
+
+func TestEpisodeID(t *testing.T) {
+	type testval struct {
+		url string
+		id  string
+	}
+
+	var tests = []testval{
+		{"http://www.radiorus.ru/brand/57083/episode/foo", "http://www.radiorus.ru/brand/57083/episode/foo"},
+		{"https://www.radiorus.ru/brand/57083/episode/foo", "http://www.radiorus.ru/brand/57083/episode/foo"},
+	}
+
+	for _, test := range tests {
+		got := episodeID(test.url)
+		want := test.id
+		if got != want {
+			t.Error("want:", want, "got:", got)
+		}
+	}
+}
-- 
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