refactor: 重命名 ParseRssFeed 函数为 ParseFeed，并更新相关调用，增强代码可读性和一致性；添加 RSS 解析测试用例，确保功能的正确性和稳定性

handler/rss/job.go

@@ -47,7 +47,7 @@ func CheckNewRss() {
 			continue
 		}
 		//获取最新的rss数据
-		title, items, err := ParseRssFeed(feed.FeedURL)
+		title, items, err := ParseFeed(feed.FeedURL)
 		if err != nil {
 			continue
 		}
@@ -64,11 +64,12 @@ func CheckNewRss() {
 					&qq_message.TextMessage{
 						Type: qq_message.TypeText,
 						Data: qq_message.TextMessageData{
-							Text: fmt.Sprintf("您订阅的%s发布了新的文章: %s", title, items[0].Title),
+							Text: fmt.Sprintf("您订阅的%s发布了新的文章: %s\n%s", title, items[0].Title, items[0].Link),
 						},
 					},
 				},
 			})
+			db.Model(&group).Update("last_item_hash", items[0].Hash)
 		}
 	}
 }

handler/rss/parse.go

@@ -3,6 +3,7 @@ package rss
 import (
 	"crypto/md5"
 	"encoding/xml"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -43,7 +44,7 @@ func CheckRssFeed(feedURL string) error {
 	return nil
 }
 
-func ParseRssFeed(feedURL string) (string, []RssItem, error) {
+func ParseFeed(feedURL string) (string, []RssItem, error) {
 	//确认大小
 	resp, err := http.Head(feedURL)
 	if err != nil {
@@ -81,6 +82,10 @@ func ParseRssFeed(feedURL string) (string, []RssItem, error) {
 		return "", nil, fmt.Errorf("解析RSS/Atom数据失败: %v", err)
 	}
 
+	if len(items) == 0 {
+		return title, nil, errors.New("未解析到rss信息")
+	}
+
 	return title, items, nil
 }
 

handler/rss/rss.go

@@ -27,7 +27,7 @@ func init() {
 
 func TestRss(msg model.Message) (reply *model.Reply) {
 	rssUrl := util.SplitN(msg.StructuredMsg[0].(*qq_message.TextMessage).Data.Text, 2)[1]
-	title, items, err := ParseRssFeed(rssUrl)
+	title, items, err := ParseFeed(rssUrl)
 	if err != nil {
 		return &model.Reply{
 			ReplyMsg:       "解析RSS源失败: " + err.Error(),
@@ -76,7 +76,8 @@ func Subscribe(msg model.Message) (reply *model.Reply) {
 
 // SubscribeToFeed 订阅RSS源
 func SubscribeToFeed(feedURL string, userID int64, groupID int64) error {
-	db := sqlite3.GetGormDB()
+	db := sqlite3.GetGormDB().Begin()
+	defer db.Rollback()
 
 	// 确保URL有协议前缀
 	if !regexp.MustCompile(`^https?://`).MatchString(feedURL) {
@@ -116,16 +117,22 @@ func SubscribeToFeed(feedURL string, userID int64, groupID int64) error {
 		return fmt.Errorf("该群已订阅过此RSS源")
 	}
 
+	//获取最新文章hash
+	_, items, err := ParseFeed(feedURL)
+	if err != nil {
+		return err
+	}
+
 	// 创建订阅关系
 	newSubscribe := RssSubscribe{
-		FeedID:  feedID,
-		GroupID: int(groupID),
+		FeedID:       feedID,
+		GroupID:      int(groupID),
+		LastItemHash: items[0].Hash,
 	}
 	if err := db.Create(&newSubscribe).Error; err != nil {
 		return fmt.Errorf("创建订阅关系失败: %v", err)
 	}
-
-	return nil
+	return db.Commit().Error
 }
 
 func MySubscribed(msg model.Message) (reply *model.Reply) {