2020-09-02 15:48:37 +00:00
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package main
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import (
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"net/http"
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2020-09-15 15:01:53 +00:00
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"strings"
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2020-09-02 15:48:37 +00:00
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"time"
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2020-10-06 17:07:48 +00:00
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2020-11-01 17:37:21 +00:00
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"github.com/araddon/dateparse"
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2021-07-04 16:33:24 +00:00
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"github.com/jlelse/feeds"
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2021-06-28 20:17:18 +00:00
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"go.goblog.app/app/pkgs/contenttype"
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2020-09-02 15:48:37 +00:00
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)
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type feedType string
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const (
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2020-10-06 17:07:48 +00:00
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noFeed feedType = ""
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rssFeed feedType = "rss"
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atomFeed feedType = "atom"
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jsonFeed feedType = "json"
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2020-09-02 15:48:37 +00:00
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)
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2021-06-06 12:39:42 +00:00
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func (a *goBlog) generateFeed(blog string, f feedType, w http.ResponseWriter, r *http.Request, posts []*post, title string, description string) {
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2020-09-02 15:48:37 +00:00
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now := time.Now()
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2020-09-20 19:37:04 +00:00
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if title == "" {
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2021-06-06 12:39:42 +00:00
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title = a.cfg.Blogs[blog].Title
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2020-09-20 19:37:04 +00:00
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}
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2021-08-05 12:53:22 +00:00
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title = a.renderMdTitle(title)
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2020-09-20 19:37:04 +00:00
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if description == "" {
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2021-06-06 12:39:42 +00:00
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description = a.cfg.Blogs[blog].Description
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2020-09-20 19:37:04 +00:00
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}
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2020-09-02 15:48:37 +00:00
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feed := &feeds.Feed{
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Title: title,
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Description: description,
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2021-06-10 20:09:50 +00:00
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Link: &feeds.Link{Href: a.getFullAddress(strings.TrimSuffix(r.URL.Path, "."+string(f)))},
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2020-09-02 15:48:37 +00:00
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Created: now,
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2020-11-01 17:37:21 +00:00
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Author: &feeds.Author{
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2021-06-06 12:39:42 +00:00
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Name: a.cfg.User.Name,
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Email: a.cfg.User.Email,
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2020-11-01 17:37:21 +00:00
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},
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Image: &feeds.Image{
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2021-06-06 12:39:42 +00:00
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Url: a.cfg.User.Picture,
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2020-11-01 17:37:21 +00:00
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},
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2020-09-02 15:48:37 +00:00
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}
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2020-10-15 15:32:46 +00:00
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for _, p := range posts {
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2020-09-02 15:48:37 +00:00
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feed.Add(&feeds.Item{
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2021-08-05 06:09:34 +00:00
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Title: p.RenderedTitle,
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2021-06-06 12:39:42 +00:00
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Link: &feeds.Link{Href: a.fullPostURL(p)},
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2021-06-18 12:32:03 +00:00
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Description: a.postSummary(p),
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2020-10-15 15:32:46 +00:00
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Id: p.Path,
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2021-07-19 14:32:45 +00:00
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Content: string(a.postHtml(p, true)),
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2021-07-27 10:51:08 +00:00
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Created: timeNoErr(dateparse.ParseLocal(p.Published)),
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Updated: timeNoErr(dateparse.ParseLocal(p.Updated)),
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2020-09-02 15:48:37 +00:00
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})
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}
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var err error
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2021-02-16 15:26:21 +00:00
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var feedString, feedMediaType string
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2020-09-02 15:48:37 +00:00
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switch f {
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2020-10-06 17:07:48 +00:00
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case rssFeed:
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2021-06-18 12:32:03 +00:00
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feedMediaType = contenttype.RSS
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2021-02-16 15:26:21 +00:00
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feedString, err = feed.ToRss()
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2020-10-06 17:07:48 +00:00
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case atomFeed:
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2021-06-18 12:32:03 +00:00
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feedMediaType = contenttype.ATOM
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2021-02-16 15:26:21 +00:00
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feedString, err = feed.ToAtom()
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2020-10-06 17:07:48 +00:00
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case jsonFeed:
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2021-06-18 12:32:03 +00:00
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feedMediaType = contenttype.JSONFeed
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2021-02-16 15:26:21 +00:00
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feedString, err = feed.ToJSON()
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2020-09-14 14:07:37 +00:00
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default:
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return
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2020-09-02 15:48:37 +00:00
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}
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if err != nil {
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2020-10-13 11:40:16 +00:00
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w.Header().Del(contentType)
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2021-06-06 12:39:42 +00:00
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a.serveError(w, r, err.Error(), http.StatusInternalServerError)
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2020-09-02 15:48:37 +00:00
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return
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}
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2021-06-18 12:32:03 +00:00
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w.Header().Set(contentType, feedMediaType+contenttype.CharsetUtf8Suffix)
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_, _ = a.min.Write(w, feedMediaType, []byte(feedString))
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2020-09-02 15:48:37 +00:00
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}
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