init tag feed

7 files changed, 60 insertions, 10 deletions

diff --git a/lib/pleroma/emails/admin_email.ex b/lib/pleroma/emails/admin_email.ex
index b15e4041b..d7dd4b2e0 100644
--- a/lib/pleroma/emails/admin_email.ex
+++ b/lib/pleroma/emails/admin_email.ex
@@ -17,7 +17,7 @@ defmodule Pleroma.Emails.AdminEmail do
   end
 
   defp user_url(user) do
-    Helpers.feed_url(Pleroma.Web.Endpoint, :feed_redirect, user.id)
+    Helpers.user_feed_url(Pleroma.Web.Endpoint, :feed_redirect, user.id)
   end
 
   def report(to, reporter, account, statuses, comment) do
diff --git a/lib/pleroma/web/feed/tag_controller.ex b/lib/pleroma/web/feed/tag_controller.ex
new file mode 100644
index 000000000..66abc186b
--- /dev/null
+++ b/lib/pleroma/web/feed/tag_controller.ex
@@ -0,0 +1,36 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Feed.TagController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Config
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.Feed.FeedView
+
+  def feed(conn, %{"tag" => tag} = params) do
+    activities =
+      %{
+        "type" => ["Create"],
+        "whole_db" => true,
+        "tag" => parse_tag(tag)
+      }
+      |> Map.merge(Map.take(params, ["max_id"]))
+      |> ActivityPub.fetch_public_activities()
+
+    conn
+    |> put_resp_content_type("application/atom+xml")
+    |> put_view(FeedView)
+    |> render("tag.xml", activities: activities, feed_config: Config.get([:feed]))
+  end
+
+  defp parse_tag(raw_tag) when is_binary(raw_tag) do
+    case Enum.reverse(String.split(raw_tag, ".")) do
+      [format | tag] when format in ["atom", "rss"] -> Enum.join(tag, ".")
+      _ -> raw_tag
+    end
+  end
+
+  defp parse_tag(raw_tag), do: raw_tag
+end
diff --git a/lib/pleroma/web/feed/feed_controller.ex b/lib/pleroma/web/feed/user_controller.ex
index d0e23007d..e5d8427ce 100644
--- a/lib/pleroma/web/feed/feed_controller.ex
+++ b/lib/pleroma/web/feed/user_controller.ex
@@ -2,13 +2,14 @@
 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
-defmodule Pleroma.Web.Feed.FeedController do
+defmodule Pleroma.Web.Feed.UserController do
   use Pleroma.Web, :controller
 
   alias Fallback.RedirectController
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.ActivityPubController
+  alias Pleroma.Web.Feed.FeedView
 
   plug(Pleroma.Plugs.SetFormatPlug when action in [:feed_redirect])
 
@@ -27,7 +28,7 @@ defmodule Pleroma.Web.Feed.FeedController do
 
   def feed_redirect(conn, %{"nickname" => nickname}) do
     with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
-      redirect(conn, external: "#{feed_url(conn, :feed, user.nickname)}.atom")
+      redirect(conn, external: "#{user_feed_url(conn, :feed, user.nickname)}.atom")
     end
   end
 
@@ -44,7 +45,8 @@ defmodule Pleroma.Web.Feed.FeedController do
 
       conn
       |> put_resp_content_type("application/atom+xml")
-      |> render("feed.xml",
+      |> put_view(FeedView)
+      |> render("user.xml",
         user: user,
         activities: activities,
         feed_config: Pleroma.Config.get([:feed])
diff --git a/lib/pleroma/web/metadata/feed.ex b/lib/pleroma/web/metadata/feed.ex
index 8043e6c54..ee48913a7 100644
--- a/lib/pleroma/web/metadata/feed.ex
+++ b/lib/pleroma/web/metadata/feed.ex
@@ -16,7 +16,7 @@ defmodule Pleroma.Web.Metadata.Providers.Feed do
        [
          rel: "alternate",
          type: "application/atom+xml",
-         href: Helpers.feed_path(Endpoint, :feed, user.nickname) <> ".atom"
+         href: Helpers.user_feed_path(Endpoint, :feed, user.nickname) <> ".atom"
        ], []}
     ]
   end
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index e6c4f6f14..871f3bf85 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -526,8 +526,10 @@ defmodule Pleroma.Web.Router do
     get("/notice/:id", OStatus.OStatusController, :notice)
     get("/notice/:id/embed_player", OStatus.OStatusController, :notice_player)
 
-    get("/users/:nickname/feed", Feed.FeedController, :feed)
-    get("/users/:nickname", Feed.FeedController, :feed_redirect)
+    get("/users/:nickname/feed", Feed.UserController, :feed, as: :user_feed)
+    get("/users/:nickname", Feed.UserController, :feed_redirect, as: :user_feed)
+
+    get("/tags/:tag", Feed.TagController, :feed, as: :tag_feed)
 
     get("/mailer/unsubscribe/:token", Mailer.SubscriptionController, :unsubscribe)
   end
diff --git a/lib/pleroma/web/templates/feed/feed/tag.xml.eex b/lib/pleroma/web/templates/feed/feed/tag.xml.eex
new file mode 100644
index 000000000..52b1d7b7d
--- /dev/null
+++ b/lib/pleroma/web/templates/feed/feed/tag.xml.eex
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<feed
+  xmlns="http://www.w3.org/2005/Atom"
+  xmlns:thr="http://purl.org/syndication/thread/1.0"
+  xmlns:activity="http://activitystrea.ms/spec/1.0/"
+  xmlns:poco="http://portablecontacts.net/spec/1.0"
+  xmlns:ostatus="http://ostatus.org/schema/1.0">
+
+  <title>TAGS</title>
+</feed>
diff --git a/lib/pleroma/web/templates/feed/feed/feed.xml.eex b/lib/pleroma/web/templates/feed/feed/user.xml.eex
index 5ae36d345..d274c08ae 100644
--- a/lib/pleroma/web/templates/feed/feed/feed.xml.eex
+++ b/lib/pleroma/web/templates/feed/feed/user.xml.eex
@@ -6,16 +6,16 @@
   xmlns:poco="http://portablecontacts.net/spec/1.0"
   xmlns:ostatus="http://ostatus.org/schema/1.0">
 
-  <id><%= feed_url(@conn, :feed, @user.nickname) <> ".atom" %></id>
+  <id><%= user_feed_url(@conn, :feed, @user.nickname) <> ".atom" %></id>
   <title><%= @user.nickname <> "'s timeline" %></title>
   <updated><%= most_recent_update(@activities, @user) %></updated>
   <logo><%= logo(@user) %></logo>
-  <link rel="self" href="<%= '#{feed_url(@conn, :feed, @user.nickname)}.atom' %>" type="application/atom+xml"/>
+  <link rel="self" href="<%= '#{user_feed_url(@conn, :feed, @user.nickname)}.atom' %>" type="application/atom+xml"/>
 
   <%= render @view_module, "_author.xml", assigns %>
 
   <%= if last_activity(@activities) do %>
-    <link rel="next" href="<%= '#{feed_url(@conn, :feed, @user.nickname)}.atom?max_id=#{last_activity(@activities).id}' %>" type="application/atom+xml"/>
+    <link rel="next" href="<%= '#{user_feed_url(@conn, :feed, @user.nickname)}.atom?max_id=#{last_activity(@activities).id}' %>" type="application/atom+xml"/>
   <% end %>
 
   <%= for activity <- @activities do %>