finish up the atom news feed API

api/database/multilang.go

@@ -16,7 +16,7 @@ func (ml *Multilang) Supports(lang string) bool {
 	ml_ref := reflect.ValueOf(ml).Elem()
 
 	for i := 0; i < reflect.Indirect(ml_ref).NumField(); i++ {
-		if name := reflect.Indirect(ml_ref).Field(i).Type().Name(); strings.ToLower(name) == lang {
+		if name := reflect.Indirect(ml_ref).Type().Field(i).Name; strings.ToLower(name) == lang {
 			return true
 		}
 	}

api/database/news.go

@@ -57,7 +57,7 @@ func (n *News) Scan(rows *sql.Rows) (err error) {
 }
 
 func (n *News) IsValid() bool {
-	return n.Author != "" && n.ID != "" && !n.Title.Empty() && !n.Content.Empty()
+	return n.Time != 0 && n.Author != "" && n.ID != "" && !n.Title.Empty() && !n.Content.Empty()
 }
 
 func (db *Type) NewsNext(n *News) bool {

api/go.mod

@@ -2,7 +2,11 @@ module github.com/ngn13/website/api
 
 go 1.21.3
 
-require github.com/gofiber/fiber/v2 v2.52.5
+require (
+	github.com/gofiber/fiber/v2 v2.52.5
+	github.com/mattn/go-sqlite3 v1.14.24
+	github.com/russross/blackfriday/v2 v2.1.0
+)
 
 require (
 	github.com/andybalholm/brotli v1.0.5 // indirect
@@ -11,9 +15,7 @@ require (
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.15 // indirect
-	github.com/mattn/go-sqlite3 v1.14.24 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
-	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasthttp v1.51.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect

api/routes/admin.go

@@ -138,6 +138,8 @@ func PUT_AddNews(c *fiber.Ctx) error {
 		return util.ErrBadJSON(c)
 	}
 
+	news.Time = uint64(time.Now().Unix())
+
 	if !news.IsValid() {
 		return util.ErrBadReq(c)
 	}

api/routes/news.go

@@ -1,7 +1,9 @@
 package routes
 
 import (
+	"sort"
 	"strings"
+	"time"
 
 	"github.com/gofiber/fiber/v2"
 	"github.com/ngn13/website/api/config"
@@ -9,12 +11,31 @@ import (
 	"github.com/ngn13/website/api/util"
 )
 
+// feed_entry is a temporary struct used to pass the news to the news.xml
+type feed_entry struct {
+	Title   string
+	Author  string
+	Time    time.Time
+	RFC3339 string
+	Content string
+}
+
+// convert UNIX timestamp to RFC3339 (format used by atom feeds)
+func (e *feed_entry) From(news *database.News, lang string) {
+	e.Title = news.Title.Get(lang)
+	e.Author = news.Author
+	e.Time = time.Unix(int64(news.Time), 0)
+	e.RFC3339 = e.Time.Format(time.RFC3339)
+	e.Content = news.Content.Get(lang)
+}
+
 func GET_News(c *fiber.Ctx) error {
 	var (
-		news []database.News
-		n    database.News
-		feed []byte
-		err  error
+		entries []feed_entry
+		news    database.News
+		indx    uint64
+		feed    []byte
+		err     error
 	)
 
 	db := c.Locals("database").(*database.Type)
@@ -27,17 +48,25 @@ func GET_News(c *fiber.Ctx) error {
 	}
 
 	lang = strings.ToLower(lang)
+	indx = 0
 
-	for db.NewsNext(&n) {
-		if n.Supports(lang) {
-			news = append(news, n)
+	for db.NewsNext(&news) {
+		if news.Supports(lang) {
+			entries = append(entries, feed_entry{})
+			entries[indx].From(&news, lang)
+			indx++
 		}
 	}
 
+	sort.Slice(entries, func(i, j int) bool {
+		return entries[i].Time.Before(entries[j].Time)
+	})
+
 	if feed, err = util.Render("views/news.xml", fiber.Map{
 		"frontend": frontend,
+		"updated":  time.Now().Format(time.RFC3339),
+		"entries":  entries,
 		"lang":     lang,
-		"news":     news,
 	}); err != nil {
 		return util.ErrInternal(c, err)
 	}

api/views/news.xml

@@ -1,6 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom">
   <title>{{.frontend.Host}} news</title>
-  <updated>2025-01-02T20:46:24Z</updated>
-  <subtitle>News and updates about my self-hosted services and projects</subtitle>
-  <link href="{{.frontend.String}}/news"></link>
+  <updated>{{.updated}}</updated>
+  <subtitle>News and updates about my projects and self-hosted services</subtitle>
+  <link href="{{.frontend.JoinPath "/news"}}"></link>
+  {{ range .entries }}
+  <entry>
+    <title>{{.Title}}</title>
+    <updated>{{.RFC3339}}</updated>
+    <author>
+      <name>{{.Author}}</name>
+    </author>
+    <content>{{.Content}}</content>
+  </entry>
+  {{ end }}
 </feed>