From ebcda5265b9c82be26eae65b5ab39629a525c3fa Mon Sep 17 00:00:00 2001
From: Tusooa Zhu <tusooa@kazv.moe>
Date: Tue, 8 Mar 2022 23:00:51 -0500
Subject: [PATCH] Format announcements into html

---
 lib/pleroma/announcement.ex                   | 30 +++++++++++++++++--
 .../web/admin_api/views/announcement_view.ex  |  2 +-
 .../web/api_spec/schemas/announcement.ex      |  8 ++++-
 .../20220308012601_create_announcements.exs   |  1 +
 test/pleroma/announcement_test.exs            | 27 +++++++++++++++++
 test/support/factory.ex                       |  1 +
 6 files changed, 65 insertions(+), 4 deletions(-)

diff --git a/lib/pleroma/announcement.ex b/lib/pleroma/announcement.ex
index 6c11eff7e..ad372629d 100644
--- a/lib/pleroma/announcement.ex
+++ b/lib/pleroma/announcement.ex
@@ -18,13 +18,14 @@ defmodule Pleroma.Announcement do
     field(:data, :map)
     field(:starts_at, :naive_datetime)
     field(:ends_at, :naive_datetime)
+    field(:rendered, :map)
 
     timestamps()
   end
 
   def change(struct, params \\ %{}) do
     struct
-    |> cast(validate_params(struct, params), [:data, :starts_at, :ends_at])
+    |> cast(validate_params(struct, params), [:data, :starts_at, :ends_at, :rendered])
     |> validate_required([:data])
   end
 
@@ -42,6 +43,21 @@ defmodule Pleroma.Announcement do
 
     params
     |> Map.merge(%{data: merged_data})
+    |> add_rendered_properties()
+  end
+
+  def add_rendered_properties(params) do
+    {content_html, _, _} =
+      Pleroma.Web.CommonAPI.Utils.format_input(params.data["content"], "text/plain",
+        mentions_format: :full
+      )
+
+    rendered = %{
+      "content" => content_html
+    }
+
+    params
+    |> Map.put(:rendered, rendered)
   end
 
   def add(params) do
@@ -100,9 +116,18 @@ defmodule Pleroma.Announcement do
           %{}
       end
 
+    admin_extra_params =
+      case Keyword.fetch(opts, :admin) do
+        {:ok, true} ->
+          %{pleroma: %{raw_content: announcement.data["content"]}}
+
+        _ ->
+          %{}
+      end
+
     base = %{
       id: announcement.id,
-      content: announcement.data["content"],
+      content: announcement.rendered["content"],
       starts_at: announcement.starts_at,
       ends_at: announcement.ends_at,
       all_day: announcement.data["all_day"],
@@ -117,6 +142,7 @@ defmodule Pleroma.Announcement do
 
     base
     |> Map.merge(extra_params)
+    |> Map.merge(admin_extra_params)
   end
 
   # "visible" means:
diff --git a/lib/pleroma/web/admin_api/views/announcement_view.ex b/lib/pleroma/web/admin_api/views/announcement_view.ex
index 8fbdc338a..a35bd60cf 100644
--- a/lib/pleroma/web/admin_api/views/announcement_view.ex
+++ b/lib/pleroma/web/admin_api/views/announcement_view.ex
@@ -10,6 +10,6 @@ defmodule Pleroma.Web.AdminAPI.AnnouncementView do
   end
 
   def render("show.json", %{announcement: announcement}) do
-    Pleroma.Announcement.render_json(announcement)
+    Pleroma.Announcement.render_json(announcement, admin: true)
   end
 end
diff --git a/lib/pleroma/web/api_spec/schemas/announcement.ex b/lib/pleroma/web/api_spec/schemas/announcement.ex
index 094fd7c68..67d129ef6 100644
--- a/lib/pleroma/web/api_spec/schemas/announcement.ex
+++ b/lib/pleroma/web/api_spec/schemas/announcement.ex
@@ -33,7 +33,13 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Announcement do
       statuses: %Schema{type: :array},
       tags: %Schema{type: :array},
       emojis: %Schema{type: :array},
-      reactions: %Schema{type: :array}
+      reactions: %Schema{type: :array},
+      pleroma: %Schema{
+        type: :object,
+        properties: %{
+          raw_content: %Schema{type: :string}
+        }
+      }
     }
   })
 end
diff --git a/priv/repo/migrations/20220308012601_create_announcements.exs b/priv/repo/migrations/20220308012601_create_announcements.exs
index 9f273fda9..01c9ce041 100644
--- a/priv/repo/migrations/20220308012601_create_announcements.exs
+++ b/priv/repo/migrations/20220308012601_create_announcements.exs
@@ -7,6 +7,7 @@ defmodule Pleroma.Repo.Migrations.CreateAnnouncements do
       add(:data, :map)
       add(:starts_at, :naive_datetime)
       add(:ends_at, :naive_datetime)
+      add(:rendered, :map)
 
       timestamps()
     end
diff --git a/test/pleroma/announcement_test.exs b/test/pleroma/announcement_test.exs
index aa00f804b..a007c3718 100644
--- a/test/pleroma/announcement_test.exs
+++ b/test/pleroma/announcement_test.exs
@@ -68,4 +68,31 @@ defmodule Pleroma.AnnouncementTest do
       assert [] = Announcement.list_all_visible_when(time)
     end
   end
+
+  describe "announcements formatting" do
+    test "it formats links" do
+      raw = "something on https://pleroma.social ."
+      announcement = insert(:announcement, %{data: %{"content" => raw}})
+
+      assert announcement.rendered["content"] =~ ~r(<a.+?https://pleroma.social)
+      assert announcement.data["content"] == raw
+    end
+
+    test "it formats mentions" do
+      user = insert(:user)
+      raw = "something on @#{user.nickname} ."
+      announcement = insert(:announcement, %{data: %{"content" => raw}})
+
+      assert announcement.rendered["content"] =~ ~r(<a.+?#{user.nickname})
+      assert announcement.data["content"] == raw
+    end
+
+    test "it formats tags" do
+      raw = "something on #mew ."
+      announcement = insert(:announcement, %{data: %{"content" => raw}})
+
+      assert announcement.rendered["content"] =~ ~r(<a.+?#mew)
+      assert announcement.data["content"] == raw
+    end
+  end
 end
diff --git a/test/support/factory.ex b/test/support/factory.ex
index d28a56345..efbf3df2e 100644
--- a/test/support/factory.ex
+++ b/test/support/factory.ex
@@ -637,5 +637,6 @@ defmodule Pleroma.Factory do
       data: Map.merge(%{"content" => "test announcement", "all_day" => false}, data)
     }
     |> Map.merge(params)
+    |> Pleroma.Announcement.add_rendered_properties()
   end
 end