func importHandler(w http.ResponseWriter, r *http.Request) {
file, _, err := r.FormFile("opmlFile")
if err != nil {
log.Print(err)
return
}
contents, err := ioutil.ReadAll(file)
if err != nil {
log.Print(err)
return
}
userid := getUserId(w, r)
urls, err := parser.ParseOPML(contents)
if err != nil {
log.Print(err)
return
}
for _, url := range urls {
feed := data.Feed{Id: data.GenerateId(url), Url: url}
was_inserted := db.AddFeed(feed, userid)
if was_inserted {
fetchFeed(feed)
}
}
fmt.Fprintf(w, "%s", "Imported")
}
func parseRSS(contents string) (string, []data.FeedItem, error) {
r := rss{}
feedItems := []data.FeedItem{}
d := xml.NewDecoder(bytes.NewReader([]byte(contents)))
d.CharsetReader = charset.NewReader
err := d.Decode(&r)
if err != nil {
return "", []data.FeedItem{}, err
}
channel := r.Channel
currentTime := time.Now()
var t time.Time
for i, item := range channel.Items {
if len(item.PubDate) == 0 {
t = currentTime.Add(-time.Duration(i) * time.Second)
} else {
t, err = parseTime(item.PubDate)
}
if err != nil {
log.Printf("%s", err)
t = time.Now()
}
if len(item.EncodedContent) > len(item.Description) {
item.Description = item.EncodedContent
}
words := strings.Split(item.Description, " ")
blurb_length := len(words)
if blurb_length > 50 {
blurb_length = 50
}
id := item.Guid
if len(id) == 0 {
id = item.Title
}
feedItem := data.FeedItem{data.GenerateId(id), item.Title, item.Link, strings.Join(words[:blurb_length], " ") + "...", item.Description, t}
feedItems = append(feedItems, feedItem)
}
return channel.Title, feedItems, nil
}
func parseFeed(contents string) (string, []data.FeedItem, error) {
r := feed{}
feedItems := []data.FeedItem{}
d := xml.NewDecoder(bytes.NewReader([]byte(contents)))
d.CharsetReader = charset.NewReader
err := d.Decode(&r)
if err != nil {
return "", []data.FeedItem{}, err
}
currentTime := time.Now()
var t time.Time
for i, entry := range r.Entries {
if len(entry.Published) == 0 {
entry.Published = entry.Updated
}
if len(entry.Published) == 0 {
t = currentTime.Add(-time.Duration(i) * time.Second)
} else {
t, err = parseTime(entry.Published)
if err != nil {
panic(err)
}
}
words := strings.Split(entry.Contents, " ")
blurb_length := len(words)
if blurb_length > 50 {
blurb_length = 50
}
feedItem := data.FeedItem{data.GenerateId(entry.Id), entry.Title, entry.Link.Href, strings.Join(words[:blurb_length], " ") + "...", entry.Contents, t}
feedItems = append(feedItems, feedItem)
}
return r.Title, feedItems, nil
}
func addFeedHandler(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
panic(err)
}
type JsonData struct {
Url string
}
var jsonData JsonData
json.Unmarshal(body, &jsonData)
feed := data.Feed{Id: data.GenerateId(jsonData.Url), Url: jsonData.Url, Title: jsonData.Url}
userid := getUserId(w, r)
was_inserted := db.AddFeed(feed, userid)
if was_inserted {
fetchFeed(feed)
}
listFeedsHandler(w, r)
}