update so its merges feeds and sorts newest to oldest

2024-08-26 22:49:39 -04:00 · 2024-08-26 22:49:39 -04:00 · 87a01d3df0
parent 96cff5792c
commit 87a01d3df0
1 changed files with 41 additions and 5 deletions
--- a/main.go
+++ b/main.go
@ -1,18 +1,41 @@
 package main

 import (
+	"bufio"
 	"context"
 	"fmt"
 	"log"
 	"os"
-	"time"
-	"bufio"
+	"sort"
 	"strings"
-	
+	"time"
+
 	"github.com/mmcdole/gofeed"
 )

-func main () {
+type RSSInfo struct {
+	Items []gofeed.Item
+}
+
+// Len returns the length of Items.
+func (f RSSInfo) Len() int {
+	return len(f.Items)
+}
+
+// Less compares PublishedParsed of Items[i], Items[k]
+// and returns true if Items[i] is less than Items[k].
+func (f RSSInfo) Less(i, k int) bool {
+	return f.Items[k].PublishedParsed.Before(
+		*f.Items[i].PublishedParsed,
+	)
+}
+
+// Swap swaps Items[i] and Items[k].
+func (f RSSInfo) Swap(i, k int) {
+	f.Items[i], f.Items[k] = f.Items[k], f.Items[i]
+}
+
+func main() {
 	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
 	defer cancel()

@ -21,6 +44,8 @@ func main () {
 	fmt.Println("<body>")
 	fmt.Println("<ul>")

+	items := []gofeed.Item{}
+
 	s := bufio.NewScanner(os.Stdin)
 	for s.Scan() {
 		fp := gofeed.NewParser()
@ -29,10 +54,21 @@ func main () {
 			log.Println(err)
 		} else {
 			for _, item := range feed.Items {
-				fmt.Printf("<li><a href=\"%s\">%s</a><p>%s</p></li>\n", item.Link, item.Title, item.Description)
+				items = append(items, *item)
 			}
 		}
 	}
+
+	info := RSSInfo{
+		Items: items,
+	}
+
+	sort.Sort(info)
+
+	for _, item := range info.Items {
+		fmt.Printf("<li><a href=\"%s\">%s</a><p>%s</p></li>\n", item.Link, item.Title, item.Description)
+	}
+
 	fmt.Println("</ul>")
 	fmt.Println("</body>")
 	fmt.Println("</html>")