Add RSS feed to the public mailing list archive.

cmd/archive.go

@@ -6,6 +6,7 @@ import (
 	"html/template"
 	"net/http"
 
+	"github.com/gorilla/feeds"
 	"github.com/knadh/listmonk/internal/manager"
 	"github.com/knadh/listmonk/models"
 	"github.com/labstack/echo/v4"
@@ -46,6 +47,42 @@ func handleGetCampaignArchives(c echo.Context) error {
 	return c.JSON(200, okResp{out})
 }
 
+// handleGetCampaignArchivesFeed renders the public campaign archives RSS feed.
+func handleGetCampaignArchivesFeed(c echo.Context) error {
+	var (
+		app = c.Get("app").(*App)
+		pg  = app.paginator.NewFromURL(c.Request().URL.Query())
+	)
+
+	camps, _, err := getCampaignArchives(pg.Offset, pg.Limit, app)
+	if err != nil {
+		return err
+	}
+
+	out := make([]*feeds.Item, 0, len(camps))
+	for _, c := range camps {
+		out = append(out, &feeds.Item{
+			Title:   c.Subject,
+			Link:    &feeds.Link{Href: c.URL},
+			Created: c.CreatedAt.Time,
+		})
+	}
+
+	feed := &feeds.Feed{
+		Title:       app.constants.SiteName,
+		Link:        &feeds.Link{Href: app.constants.RootURL},
+		Description: app.i18n.T("public.archiveTitle"),
+		Items:       out,
+	}
+
+	if err := feed.WriteRss(c.Response().Writer); err != nil {
+		app.log.Printf("error generating archive RSS feed: %v", err)
+		return echo.NewHTTPError(http.StatusBadRequest, app.i18n.T("public.errorProcessingRequest"))
+	}
+
+	return nil
+}
+
 // handleCampaignArchivesPage renders the public campaign archives page.
 func handleCampaignArchivesPage(c echo.Context) error {
 	var (

cmd/handlers.go

@@ -194,7 +194,9 @@ func initHTTPHandlers(e *echo.Echo, app *App) {
 		"campUUID", "subUUID")))
 	e.GET("/campaign/:campUUID/:subUUID/px.png", noIndex(validateUUID(handleRegisterCampaignView,
 		"campUUID", "subUUID")))
+
 	e.GET("/archive", handleCampaignArchivesPage)
+	e.GET("/archive.xml", handleGetCampaignArchivesFeed)
 	e.GET("/archive/:uuid", handleCampaignArchivePage)
 
 	e.GET("/public/custom.css", serveCustomApperance("public.custom_css"))

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
 	github.com/gofrs/uuid v4.0.0+incompatible
 	github.com/google/uuid v1.3.0 // indirect
+	github.com/gorilla/feeds v1.1.1 // indirect
 	github.com/huandu/xstrings v1.3.2 // indirect
 	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/jmoiron/sqlx v1.3.4

go.sum

@@ -42,6 +42,8 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/feeds v1.1.1 h1:HwKXxqzcRNg9to+BbvJog4+f3s/xzvtZXICcQGutYfY=
+github.com/gorilla/feeds v1.1.1/go.mod h1:Nk0jZrvPFZX1OBe5NPiddPw7CfwF6Q9eqzaBbaightA=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
 github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=

static/public/static/style.css

@@ -140,7 +140,7 @@ input[disabled] {
 
 .archive {
   list-style-type: none;
-  margin: 0;
+  margin: 25px 0 0 0;
   padding: 0;
 }
   .archive .date {
@@ -151,6 +151,16 @@ input[disabled] {
   .archive li {
     margin-bottom: 15px;
   }
+  .feed {
+    margin-right: 15px;
+  }
+
+.home-options {
+  margin-top: 30px;
+}
+  .home-options a {
+    margin: 0 7px;
+  }
 
 .pagination {
   margin-top: 30px;

static/public/templates/archive.html

@@ -17,9 +17,13 @@
     {{ end }}
 
     {{ if .EnablePublicSubPage }}
-        <p class="right">
-            <a href="{{ .RootURL }}/subscription/form">Subscribe</a>
-        </p>
+        <div class="right">
+            <a href="{{ .RootURL }}/archive.xml">
+                <img src="{{ .RootURL }}/public/static/rss.svg" alt="RSS" class="feed"
+                    width="16" height="16" />
+            </a>
+            <a href="{{ .RootURL }}/subscription/form">{{ L.T "public.sub" }}</a>
+        </div>
     {{ end }}
 
     {{ if gt .Data.TotalPages 1 }}

static/public/templates/home.html

@@ -3,6 +3,15 @@
 
 <section class="center">
 	<a href="admin" class="button">{{ L.T "users.login" }}</a>
+
+	<div class="home-options">
+		{{ if .EnablePublicSubPage }}
+			<a href="{{ .RootURL }}/subscription/form">{{ L.T "public.sub" }}</a>
+		{{ end }}
+		{{ if .EnablePublicSubPage }}
+		    <a href="{{ .RootURL }}/archive">{{ L.T "public.archiveTitle" }}</a>
+		{{ end }}
+	</div>
 </section>
 
 {{ template "footer" .}}

static/public/templates/index.html

@@ -6,6 +6,9 @@
 	<title>{{ .Data.Title }} - {{ .SiteName }}</title>
 	<meta name="description" content="{{ .Data.Description }}" />
 	<meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1" />
+
+	<link rel="alternate" type="application/rss+xml" title="{{ L.T "public.archiveTitle" }} - {{ .SiteName }}" href="{{ .RootURL }}/archive.xml" />
+
 	<link href="/public/static/style.css" rel="stylesheet" type="text/css" />
 	<link href="/public/custom.css" rel="stylesheet" type="text/css">
 	<script src="/public/custom.js" async defer></script>