init

1 files changed, 96 insertions, 0 deletions

diff --git a/atom/atom.go b/atom/atom.go
new file mode 100644
index 0000000..f0c49e8
--- /dev/null
+++ b/atom/atom.go
@@ -0,0 +1,96 @@
+// taken from https://git.sr.ht/~m15o/html-journal
+// Copyright 2022 m15o
+// Distributed under the terms of a BSD 3-Clause license, see LICENSE file.
+
+package atom
+
+import (
+	"encoding/xml"
+	"git.sr.ht/~m15o/htmlj"
+	"time"
+)
+
+type Feed struct {
+	XMLName  xml.Name `xml:"http://www.w3.org/2005/Atom feed"`
+	Title    string   `xml:"title"`
+	ID       string   `xml:"id"`
+	Link     []Link   `xml:"link"`
+	Updated  TimeStr  `xml:"updated"`
+	Author   *Person  `xml:"author"`
+	Icon     string   `xml:"icon,omitempty"`
+	Logo     string   `xml:"logo,omitempty"`
+	Subtitle string   `xml:"subtitle,omitempty"`
+	Entry    []*Entry `xml:"entry"`
+}
+
+type Entry struct {
+	Title     string  `xml:"title"`
+	ID        string  `xml:"id"`
+	Link      []Link  `xml:"link"`
+	Published TimeStr `xml:"published"`
+	Updated   TimeStr `xml:"updated"`
+	Author    *Person `xml:"author"`
+	Summary   *Text   `xml:"summary"`
+	Content   *Text   `xml:"content"`
+}
+
+type Link struct {
+	Rel      string `xml:"rel,attr,omitempty"`
+	Href     string `xml:"href,attr"`
+	Type     string `xml:"type,attr,omitempty"`
+	HrefLang string `xml:"hreflang,attr,omitempty"`
+	Title    string `xml:"title,attr,omitempty"`
+	Length   uint   `xml:"length,attr,omitempty"`
+}
+
+type Person struct {
+	Name     string `xml:"name"`
+	URI      string `xml:"uri,omitempty"`
+	Email    string `xml:"email,omitempty"`
+	InnerXML string `xml:",innerxml"`
+}
+
+type Text struct {
+	Type string `xml:"type,attr"`
+	Body string `xml:",chardata"`
+}
+
+type TimeStr string
+
+func Time(t time.Time) TimeStr {
+	return TimeStr(t.Format("2006-01-02T15:04:05-07:00"))
+}
+
+func FeedFromJournal(u string, j *htmlj.Journal) *Feed {
+	f := &Feed{
+		Title: j.Title,
+		ID:    u,
+		Author: &Person{
+			Name: j.Title,
+			URI:  u,
+		},
+		Updated: Time(j.Updated),
+		Link: []Link{
+			{
+				Rel:  "alternate",
+				Href: u,
+			},
+		},
+	}
+
+	for i := 0; i < len(j.Entries); i++ {
+		p := j.Entries[i]
+		f.Entry = append(f.Entry, &Entry{
+			Title:     p.Title,
+			ID:        u + "#" + p.Title,
+			Published: Time(p.Published),
+			Updated:   Time(p.Published),
+			Content: &Text{
+				Type: "html",
+				Body: p.Content,
+			},
+		})
+	}
+
+	return f
+}