new: Add RSS Feed

internal/mApp/mRss.go

@@ -0,0 +1,56 @@
+package mApp
+
+import (
+	"fmt"
+	"log"
+	"strconv"
+	"time"
+
+	"github.com/gorilla/feeds"
+)
+
+func (ma *MApp) generateRSS() string {
+	layout := "2006-01-02 15:04:05"
+	now := time.Now()
+
+	feed := &feeds.Feed{
+		Created:     now,
+		Title:       ma.Config.MSite.Info.Title,
+		Link:        &feeds.Link{Href: ma.Config.MSite.Info.Link},
+		Author:      &feeds.Author{Name: ma.Config.MSite.Info.Author, Email: ma.Config.MSite.Info.Email},
+		Description: ma.Config.MSite.Info.Description,
+	}
+
+	count := 0
+	var items []*feeds.Item
+	for _, post := range ma.Posts {
+		if count >= ma.Config.MSite.Post.RecentPost.Number {
+			break
+		}
+		
+		updated, err := time.Parse(layout, post.Date)
+		if err != nil {
+			log.Println("Error parsing updated time ", post.Date)
+			continue
+		}
+
+		item := &feeds.Item{
+			Title:   post.Title,
+			Id:      strconv.FormatUint(post.Index, 10),
+			Link:    &feeds.Link{Href: fmt.Sprintf("%s/post/%s", ma.Config.MSite.Info.Link, post.HtmlHash)},
+			Author:  &feeds.Author{Name: ma.Config.MSite.Info.Author, Email: ma.Config.MSite.Info.Email},
+			Updated: updated,
+		}
+
+		items = append(items, item)
+		count++
+	}
+
+	feed.Items = items
+	rss, err := feed.ToRss()
+	if err != nil {
+		log.Println("Error generating rss ", err)
+	}
+
+	return rss
+}