104 lines
2.6 KiB
Go
104 lines
2.6 KiB
Go
package backend
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import (
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"fmt"
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"io"
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"os"
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"time"
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"git.streifling.com/jason/rss"
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)
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func GenerateRSS(c *Config, db *DB) (*string, error) {
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channel := &rss.Channel{
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Title: c.Title,
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Link: c.Link,
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Description: c.Description,
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Items: make([]*rss.Item, 0),
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}
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articles, err := db.GetCertainArticles("published", true)
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if err != nil {
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return nil, fmt.Errorf("error getting published articles for RSS feed: %v", err)
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}
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for _, article := range articles {
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tags, err := db.GetArticleTags(article.ID)
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if err != nil {
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return nil, fmt.Errorf("error getting tags for articles for RSS feed: %v", err)
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}
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tagNames := make([]string, 0)
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for _, tag := range tags {
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tagNames = append(tagNames, tag.Name)
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}
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if article.IsInIssue || article.AutoGenerated {
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tagNames = append(tagNames, fmt.Sprint("Orient Express ", article.IssueID))
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}
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if article.AutoGenerated {
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tagNames = append(tagNames, "autogenerated")
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}
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user, err := db.GetUser(c, article.AuthorID)
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if err != nil {
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return nil, fmt.Errorf("error getting user user info for RSS feed: %v", err)
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}
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articleTitle, err := ConvertToPlain(article.Title)
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if err != nil {
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return nil, fmt.Errorf("error converting title to plain text for RSS feed: %v", err)
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}
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articleDescription, err := ConvertToPlain(article.Summary)
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if err != nil {
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return nil, fmt.Errorf("error converting description to plain text for RSS feed: %v", err)
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}
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item := &rss.Item{
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Author: user.FirstName + " " + user.LastName,
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Categories: tagNames,
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Description: articleDescription,
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Guid: string(article.ID),
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Link: article.ContentLink,
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PubDate: article.Created.Format(time.RFC1123Z),
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Title: articleTitle,
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}
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// if article.AutoGenerated {
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// item.Enclosure = &rss.Enclosure{
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// Url: article.EncURL,
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// Lenght: article.EncLength,
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// Type: article.EncType,
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// }
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// }
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//
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channel.Items = append(channel.Items, item)
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}
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feed := rss.NewFeed()
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feed.Channels = append(feed.Channels, channel)
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rss, err := feed.ToXML("UTF-8")
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if err != nil {
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return nil, fmt.Errorf("error converting RSS feed to XML: %v", err)
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}
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return &rss, nil
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}
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func SaveRSS(filename string, feed *string) error {
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file, err := os.Create(filename)
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if err != nil {
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return fmt.Errorf("error creating file for RSS feed: %v", err)
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}
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defer file.Close()
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if err = file.Chmod(0644); err != nil {
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return fmt.Errorf("error setting permissions for RSS file: %v", err)
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}
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if _, err = io.WriteString(file, *feed); err != nil {
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return fmt.Errorf("error writing to RSS file: %v", err)
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}
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return nil
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}
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