From fc7ef51582e503b077fc2b0839d598f79d96e3ec Mon Sep 17 00:00:00 2001
From: Oliviayuuuu317 <Oliviayu317@outlook.com>
Date: Wed, 22 Apr 2026 18:13:29 -0400
Subject: [PATCH] add rss feed scraping

---
 models/rss_feed.go | 139 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 models/rss_feed.go

diff --git a/models/rss_feed.go b/models/rss_feed.go
new file mode 100644
index 0000000..6f8cca4
--- /dev/null
+++ b/models/rss_feed.go
@@ -0,0 +1,139 @@
+package main
+
+import (
+	"encoding/xml"
+	"fmt"
+	"io"
+	"net/http"
+	"regexp"
+	"strings"
+)
+
+type RSS struct {
+	Channel Channel `xml:"channel"`
+}
+
+type Channel struct {
+	Items []Item `xml:"item"`
+}
+
+type Item struct {
+	Title       string `xml:"title"`
+	Description string `xml:"description"`
+	PubDate     string `xml:"pubDate"`
+}
+
+type Song struct {
+	Title  string
+	Source string
+	Artist string
+}
+
+type TimeSlot struct {
+	Time  string
+	Songs []Song
+}
+
+type ConcertDay struct {
+	Title     string
+	TimeSlots []TimeSlot
+}
+
+// matches HTML tag
+var tagPattern = regexp.MustCompile(`<[^>]+>`)
+
+// removes all HTML tags from a string
+func stripTags(s string) string {
+	return strings.TrimSpace(tagPattern.ReplaceAllString(s, ""))
+}
+
+var originPattern = regexp.MustCompile(`\(from "([^"]+)"\)`)
+
+func parseSong(line string) Song {
+	song := Song{}
+
+	title, artist, found := strings.Cut(line, " / ")
+	if found {
+		song.Artist = strings.TrimSpace(artist)
+	}
+
+	match := originPattern.FindStringSubmatch(title)
+
+	if match != nil {
+		song.Source = match[1]
+		title = strings.TrimSpace(originPattern.ReplaceAllString(title, ""))
+	}
+	song.Title = title
+	return song
+
+}
+
+// converts HTML into TimeSlot structure
+func parseDescription(desc string) []TimeSlot {
+	var slots []TimeSlot
+	var current *TimeSlot
+
+	var lines []string
+	for _, current := range strings.Split(desc, "<br>") {
+		for _, line := range strings.Split(current, "\n") {
+			lines = append(lines, line)
+		}
+	}
+
+	for _, line := range lines {
+		text := stripTags(line)
+		if text == "" {
+			continue
+		}
+
+		isHeader := false
+		switch text {
+		case "Morning", "Afternoon", "Evening":
+			isHeader = true
+		}
+		if isHeader {
+			slots = append(slots, TimeSlot{Time: text})
+			current = &slots[len(slots)-1]
+		} else if current != nil {
+			current.Songs = append(current.Songs, parseSong(text))
+		}
+	}
+	return slots
+}
+
+func main() {
+	resp, err := http.Get("https://apps.chimes.cornell.edu/music/rss.xml")
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+	data, err := io.ReadAll(resp.Body)
+	if err != nil {
+		panic(err)
+	}
+
+	var rss RSS
+	if err := xml.Unmarshal(data, &rss); err != nil {
+		panic(err)
+	}
+
+	var allConcerts []ConcertDay
+	for _, item := range rss.Channel.Items {
+		cleanHTML := strings.NewReplacer("&lt;", "<", "&gt;", ">", "&amp;", "&").Replace(item.Description)
+		day := ConcertDay{
+			Title:     item.Title,
+			TimeSlots: parseDescription(cleanHTML),
+		}
+		allConcerts = append(allConcerts, day)
+	}
+
+	for _, day := range allConcerts {
+		fmt.Println("=====", day.Title, "=====")
+		for _, slot := range day.TimeSlots {
+			fmt.Println(slot.Time)
+			for _, song := range slot.Songs {
+				fmt.Printf("%q by %q from %q\n", song.Title, song.Artist, song.Source)
+			}
+		}
+	}
+}