cpolis/cmd/view/rss.go

96 lines
2.4 KiB
Go

package view
import (
"fmt"
"html/template"
"log"
"net/http"
"time"
"git.streifling.com/jason/rss"
"streifling.com/jason/cpolis/cmd/control"
"streifling.com/jason/cpolis/cmd/model"
)
func ShowRSS(db *model.DB, title, link, desc string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
channel := &rss.Channel{
Title: title,
Link: link,
Description: desc,
Items: make([]*rss.Item, 0),
}
articles, err := db.GetCertainArticles(true, false)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
for _, article := range articles {
tags, err := db.GetArticleTags(article.ID)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
tagNames := make([]string, 0)
for _, tag := range tags {
tagNames = append(tagNames, tag.Name)
}
tagNames = append(tagNames, fmt.Sprint("Orient Express ", article.IssueID))
user, err := db.GetUser(article.AuthorID)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
articleTitle, err := control.ConvertToPlain(article.Title)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
articleDescription, err := control.ConvertToPlain(article.Description)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
articleContent, err := control.ConvertToHTML(article.Content)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
channel.Items = append(channel.Items, &rss.Item{
Title: articleTitle,
Author: user.FirstName + user.LastName,
PubDate: article.Created.Format(time.RFC1123Z),
Description: articleDescription,
Content: &rss.Content{Value: articleContent},
Categories: tagNames,
})
}
feed := rss.NewFeed()
feed.Channels = append(feed.Channels, channel)
rss, err := feed.ToXML()
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
files := []string{"web/templates/index.html", "web/templates/feed.rss"}
tmpl, err := template.ParseFiles(files...)
template.Must(tmpl, err).Execute(w, rss)
}
}