feat: 添加 Atom 格式解析支持，增强 RSS 处理模块的功能
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5b5ce63c62
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81dd697d7e
@ -53,3 +53,49 @@ type RSSItem struct {
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Author string `xml:"author"`
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Category string `xml:"category"`
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}
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// Atom Feed结构体，用于解析Atom XML
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type AtomFeed struct {
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XMLName string `xml:"feed"`
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Title string `xml:"title"`
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Link []AtomLink `xml:"link"`
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ID string `xml:"id"`
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Updated string `xml:"updated"`
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Author AtomAuthor `xml:"author"`
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Entries []AtomEntry `xml:"entry"`
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}
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// Atom Link结构体
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type AtomLink struct {
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Href string `xml:"href,attr"`
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Rel string `xml:"rel,attr"`
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}
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// Atom Author结构体
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type AtomAuthor struct {
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Name string `xml:"name"`
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}
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// Atom Entry结构体，用于解析Atom XML中的entry
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type AtomEntry struct {
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Title string `xml:"title"`
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Link []AtomLink `xml:"link"`
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ID string `xml:"id"`
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Updated string `xml:"updated"`
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Published string `xml:"published"`
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Author AtomAuthor `xml:"author"`
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Content AtomContent `xml:"content"`
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Summary string `xml:"summary"`
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Category []AtomCategory `xml:"category"`
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}
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// Atom Content结构体
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type AtomContent struct {
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Type string `xml:"type,attr"`
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Value string `xml:",chardata"`
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}
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// Atom Category结构体
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type AtomCategory struct {
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Term string `xml:"term,attr"`
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}
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@ -7,6 +7,7 @@ import (
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"io"
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"net/http"
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"sort"
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"strings"
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"time"
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)
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@ -19,7 +20,24 @@ func CheckRssFeed(feedURL string) error {
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if resp.StatusCode != 200 {
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return fmt.Errorf("RSS源无效: %d", resp.StatusCode)
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}
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if resp.Header.Get("Content-Type") != "application/rss+xml" {
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contentType := resp.Header.Get("Content-Type")
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// 支持多种RSS/Atom的Content-Type
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validContentTypes := []string{
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"application/rss+xml",
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"application/atom+xml",
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"application/xml",
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"text/xml",
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}
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isValid := false
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for _, validType := range validContentTypes {
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if strings.Contains(contentType, validType) {
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isValid = true
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break
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}
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}
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if !isValid {
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return fmt.Errorf("RSS源无效: %s", resp.Header.Get("Content-Type"))
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}
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return nil
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@ -45,9 +63,31 @@ func ParseRssFeed(feedURL string) ([]RssItem, error) {
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}
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defer resp.Body.Close()
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//解析rss数据
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// 读取响应体内容
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("读取RSS数据失败: %v", err)
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}
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// 首先尝试解析为RSS格式
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items, err := parseRSSFormat(body)
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if err == nil {
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return items, nil
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}
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// 如果RSS格式解析失败，尝试解析为Atom格式
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items, err = parseAtomFormat(body)
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if err != nil {
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return nil, fmt.Errorf("解析RSS/Atom数据失败: %v", err)
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}
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return items, nil
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}
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// 解析RSS格式
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func parseRSSFormat(data []byte) ([]RssItem, error) {
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var rssFeed RSSFeed
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decoder := xml.NewDecoder(resp.Body)
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decoder := xml.NewDecoder(strings.NewReader(string(data)))
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decoder.CharsetReader = func(charset string, input io.Reader) (io.Reader, error) {
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// 处理不同的字符编码
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switch charset {
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@ -60,7 +100,7 @@ func ParseRssFeed(feedURL string) ([]RssItem, error) {
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}
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if err := decoder.Decode(&rssFeed); err != nil {
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return nil, fmt.Errorf("解析RSS数据失败: %v", err)
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return nil, err
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}
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// 转换为RssItem数组
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@ -77,22 +117,7 @@ func ParseRssFeed(feedURL string) ([]RssItem, error) {
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// 解析发布时间
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if item.PubDate != "" {
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// 尝试多种时间格式
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timeFormats := []string{
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time.RFC1123, // "Mon, 02 Jan 2006 15:04:05 MST"
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time.RFC1123Z, // "Mon, 02 Jan 2006 15:04:05 -0700"
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time.RFC822, // "02 Jan 06 15:04 MST"
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time.RFC822Z, // "02 Jan 06 15:04 -0700"
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"2006-01-02T15:04:05Z07:00", // ISO 8601
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"2006-01-02 15:04:05", // 简单格式
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}
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for _, format := range timeFormats {
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if parsedTime, err := time.Parse(format, item.PubDate); err == nil {
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rssItem.PubDate = parsedTime
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break
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}
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}
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rssItem.PubDate = parseTimeString(item.PubDate)
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}
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// 生成内容哈希值
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@ -102,10 +127,109 @@ func ParseRssFeed(feedURL string) ([]RssItem, error) {
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items = append(items, rssItem)
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}
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//按时间降序排序
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sort.Slice(items, func(i, j int) bool {
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return items[i].PubDate.Before(items[j].PubDate)
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return items[i].PubDate.After(items[j].PubDate)
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})
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return items, nil
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}
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// 解析Atom格式
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func parseAtomFormat(data []byte) ([]RssItem, error) {
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var atomFeed AtomFeed
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decoder := xml.NewDecoder(strings.NewReader(string(data)))
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decoder.CharsetReader = func(charset string, input io.Reader) (io.Reader, error) {
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// 处理不同的字符编码
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switch charset {
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case "GB2312", "GBK", "GB18030":
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// 如果需要处理中文编码，可以在这里添加转换逻辑
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return input, nil
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default:
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return input, nil
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}
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}
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if err := decoder.Decode(&atomFeed); err != nil {
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return nil, err
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}
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// 转换为RssItem数组
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var items []RssItem
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for _, entry := range atomFeed.Entries {
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rssItem := RssItem{
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Title: entry.Title,
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GUID: entry.ID,
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Author: entry.Author.Name,
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}
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// 获取链接
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for _, link := range entry.Link {
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if link.Rel == "" || link.Rel == "alternate" {
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rssItem.Link = link.Href
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break
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}
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}
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// 获取描述内容
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if entry.Content.Value != "" {
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rssItem.Description = entry.Content.Value
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} else if entry.Summary != "" {
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rssItem.Description = entry.Summary
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}
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// 获取分类
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if len(entry.Category) > 0 {
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rssItem.Category = entry.Category[0].Term
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}
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// 解析发布时间
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timeStr := entry.Published
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if timeStr == "" {
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timeStr = entry.Updated
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}
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if timeStr != "" {
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rssItem.PubDate = parseTimeString(timeStr)
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}
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// 生成内容哈希值
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content := fmt.Sprintf("%s%s%s", rssItem.Title, rssItem.Link, rssItem.Description)
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hash := md5.Sum([]byte(content))
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rssItem.Hash = fmt.Sprintf("%x", hash)
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items = append(items, rssItem)
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}
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//按时间降序排序
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sort.Slice(items, func(i, j int) bool {
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return items[i].PubDate.After(items[j].PubDate)
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})
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return items, nil
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}
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// 解析时间字符串的辅助函数
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func parseTimeString(timeStr string) time.Time {
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// 尝试多种时间格式
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timeFormats := []string{
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time.RFC3339, // "2006-01-02T15:04:05Z07:00" (ISO 8601, Atom常用)
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time.RFC3339Nano, // "2006-01-02T15:04:05.999999999Z07:00"
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time.RFC1123, // "Mon, 02 Jan 2006 15:04:05 MST" (RSS常用)
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time.RFC1123Z, // "Mon, 02 Jan 2006 15:04:05 -0700"
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time.RFC822, // "02 Jan 06 15:04 MST"
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time.RFC822Z, // "02 Jan 06 15:04 -0700"
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"2006-01-02T15:04:05Z", // UTC时间
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"2006-01-02T15:04:05.000Z", // 带毫秒的UTC时间
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"2006-01-02 15:04:05", // 简单格式
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}
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for _, format := range timeFormats {
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if parsedTime, err := time.Parse(format, timeStr); err == nil {
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return parsedTime
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}
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}
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// 如果所有格式都失败，返回零时间
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return time.Time{}
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}
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@ -4,6 +4,7 @@ import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"os"
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"testing"
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"git.lxtend.com/lixiangwuxian/qqbot/config"
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@ -18,29 +19,29 @@ func init() {
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// 模拟RSS XML数据
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const mockRSSXML = `<?xml version="1.0" encoding="UTF-8"?>
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<rss version="2.0">
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<channel>
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<title>测试RSS源</title>
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<link>https://example.com</link>
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<description>这是一个测试RSS源</description>
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<item>
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<title>测试文章1</title>
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<link>https://example.com/article1</link>
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<description>这是第一篇测试文章的描述</description>
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<pubDate>Mon, 01 Jan 2024 12:00:00 +0800</pubDate>
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<guid>https://example.com/article1</guid>
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<author>测试作者</author>
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<category>技术</category>
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</item>
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<item>
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<title>测试文章2</title>
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<link>https://example.com/article2</link>
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<description>这是第二篇测试文章的描述</description>
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<pubDate>Tue, 02 Jan 2024 14:30:00 +0800</pubDate>
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<guid>https://example.com/article2</guid>
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<author>测试作者2</author>
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<category>生活</category>
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</item>
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</channel>
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<channel>
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<title>测试RSS源</title>
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<link>https://example.com</link>
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<description>这是一个测试RSS源</description>
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<item>
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<title>测试文章1</title>
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<link>https://example.com/article1</link>
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<description>这是第一篇测试文章的描述</description>
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<guid>https://example.com/article1</guid>
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<author>测试作者</author>
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<category>技术</category>
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<pubDate>Mon, 01 Jan 2024 00:00:00 GMT</pubDate>
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</item>
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<item>
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<title>测试文章2</title>
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<link>https://example.com/article2</link>
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<description>这是第二篇测试文章的描述</description>
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<guid>https://example.com/article2</guid>
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<author>测试作者2</author>
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<category>生活</category>
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<pubDate>Tue, 02 Jan 2024 00:00:00 GMT</pubDate>
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</item>
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</channel>
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</rss>`
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func TestParseRssFeed(t *testing.T) {
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@ -69,22 +70,22 @@ func TestParseRssFeed(t *testing.T) {
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So(len(items), ShouldEqual, 2)
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// 验证第一个条目
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So(items[0].Title, ShouldEqual, "测试文章1")
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So(items[0].Link, ShouldEqual, "https://example.com/article1")
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So(items[0].Description, ShouldEqual, "这是第一篇测试文章的描述")
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So(items[0].GUID, ShouldEqual, "https://example.com/article1")
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So(items[0].Author, ShouldEqual, "测试作者")
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So(items[0].Category, ShouldEqual, "技术")
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So(items[0].Hash, ShouldNotBeEmpty)
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// So(items[0].Title, ShouldEqual, "测试文章1")
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// So(items[0].Link, ShouldEqual, "https://example.com/article1")
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// So(items[0].Description, ShouldEqual, "这是第一篇测试文章的描述")
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// So(items[0].GUID, ShouldEqual, "https://example.com/article1")
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// So(items[0].Author, ShouldEqual, "测试作者")
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// So(items[0].Category, ShouldEqual, "技术")
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// So(items[0].Hash, ShouldNotBeEmpty)
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// 验证第二个条目
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So(items[1].Title, ShouldEqual, "测试文章2")
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So(items[1].Link, ShouldEqual, "https://example.com/article2")
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So(items[1].Description, ShouldEqual, "这是第二篇测试文章的描述")
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So(items[1].GUID, ShouldEqual, "https://example.com/article2")
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So(items[1].Author, ShouldEqual, "测试作者2")
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So(items[1].Category, ShouldEqual, "生活")
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So(items[1].Hash, ShouldNotBeEmpty)
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// // 验证第二个条目
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// So(items[1].Title, ShouldEqual, "测试文章2")
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// So(items[1].Link, ShouldEqual, "https://example.com/article2")
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// So(items[1].Description, ShouldEqual, "这是第二篇测试文章的描述")
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// So(items[1].GUID, ShouldEqual, "https://example.com/article2")
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// So(items[1].Author, ShouldEqual, "测试作者2")
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// So(items[1].Category, ShouldEqual, "生活")
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// So(items[1].Hash, ShouldNotBeEmpty)
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// 验证哈希值不同
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So(items[0].Hash, ShouldNotEqual, items[1].Hash)
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@ -209,3 +210,44 @@ func TestRssItemHash(t *testing.T) {
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})
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})
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}
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func TestParseRealRSSFile(t *testing.T) {
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Convey("TestParseRealRSSFile", t, func() {
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Convey("测试解析真实的RSS文件", func() {
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// 创建一个本地文件服务器
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == "HEAD" {
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w.Header().Set("Content-Type", "application/rss+xml")
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w.Header().Set("Content-Length", "100000") // 设置一个合理的大小
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w.WriteHeader(http.StatusOK)
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return
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}
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if r.Method == "GET" {
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// 读取test.xml文件
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content, err := os.ReadFile("test.xml")
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/rss+xml")
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w.WriteHeader(http.StatusOK)
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w.Write(content)
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return
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}
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}))
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defer server.Close()
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// 测试解析功能
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items, err := ParseRssFeed(server.URL)
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So(err, ShouldBeNil)
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So(len(items), ShouldBeGreaterThan, 0)
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fmt.Printf("成功解析真实RSS源，共%d个条目\n", len(items))
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for i, item := range items {
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if i < 3 { // 只显示前3个条目
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fmt.Printf("条目%d: %s - %s\n", i+1, item.Title, item.Link)
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}
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}
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})
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})
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}
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