From 18daf268e2e334649c0e07f9c2117b91dab4bae5 Mon Sep 17 00:00:00 2001
From: Evgeny Kuznetsov <evgeny@kuznetsov.md>
Date: Tue, 28 Jan 2020 00:30:35 +0300
Subject: decouple feed description and output

---
 main.go | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

(limited to 'main.go')

diff --git a/main.go b/main.go
index d81ea48..75750aa 100644
--- a/main.go
+++ b/main.go
@@ -22,6 +22,7 @@ import (
 	"net/http"
 	"regexp"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/gorilla/feeds"
@@ -64,16 +65,22 @@ func main() {
 	}
 
 	populateFeed(feed, page)
+	describeFeed(feed)
 	describeEpisodes(feed)
 
 	feed.Created = time.Now()
+	outputFile := outputPath + "radiorus-" + programNumber + ".rss"
+
+	writeFeed(feed, outputFile)
+}
+
+func writeFeed(feed *feeds.Feed, filename string) {
 	rss, err := feed.ToRss()
 	if err != nil {
 		log.Fatal(err)
 	}
-	outputFile := outputPath + "radiorus-" + programNumber + ".rss"
 	output := []byte(rss)
-	if err := ioutil.WriteFile(outputFile, output, 0644); err != nil {
+	if err := ioutil.WriteFile(filename, output, 0644); err != nil {
 		log.Fatal(err)
 	}
 }
@@ -90,12 +97,6 @@ func populateFeed(feed *feeds.Feed, page []byte) {
 
 		episodes := episodeRe.FindAll(page, -1)
 
-		programAboutUrl := "http://www.radiorus.ru/brand/" + programNumber + "/about"
-		programAboutPage := getPage(programAboutUrl)
-		programAbout := programAboutRe.FindSubmatch(programAboutPage)[1]
-		re := regexp.MustCompile(`<(.+?)?>`)
-		feed.Description = string(re.ReplaceAll(programAbout, []byte(``)))
-
 		badFeed := false
 
 		for _, episode := range episodes {
@@ -140,6 +141,14 @@ func populateFeed(feed *feeds.Feed, page []byte) {
 	}
 }
 
+func describeFeed(feed *feeds.Feed) {
+	programAboutUrl := strings.TrimSuffix(feed.Link.Href, "episodes") + "about"
+	programAboutPage := getPage(programAboutUrl)
+	programAbout := programAboutRe.FindSubmatch(programAboutPage)[1]
+	re := regexp.MustCompile(`<(.+?)?>`)
+	feed.Description = string(re.ReplaceAll(programAbout, []byte(``)))
+}
+
 func describeEpisodes(feed *feeds.Feed) {
 	for _, item := range feed.Items {
 		page := getPage(item.Link.Href)
-- 
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