From b0363e80556b4c8271ab69d2680166ca844f660c Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Thu, 14 Sep 2017 09:50:49 +0200
Subject: [PATCH] MastoAPI: Add favourited_by/reblogged_by.

---
 .../mastodon_api/mastodon_api_controller.ex   | 22 +++++++++++++++++++
 .../web/mastodon_api/views/account_view.ex    |  4 ++++
 lib/pleroma/web/router.ex                     |  2 ++
 3 files changed, 28 insertions(+)

diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index b537bcf71..0f7674f5d 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -208,6 +208,28 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def favourited_by(conn, %{"id" => id}) do
+    with %Activity{data: %{"object" => %{"likes" => likes} = data}} <- Repo.get(Activity, id) do
+      q = from u in User,
+        where: u.ap_id in ^likes
+      users = Repo.all(q)
+      render conn, AccountView, "accounts.json", %{users: users, as: :user}
+    else
+      _ -> json(conn, [])
+    end
+  end
+
+  def reblogged_by(conn, %{"id" => id}) do
+    with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
+      q = from u in User,
+        where: u.ap_id in ^announces
+      users = Repo.all(q)
+      render conn, AccountView, "accounts.json", %{users: users, as: :user}
+    else
+      _ -> json(conn, [])
+    end
+  end
+
   def empty_array(conn, _) do
     Logger.debug("Unimplemented, returning an empty array")
     json(conn, [])
diff --git a/lib/pleroma/web/mastodon_api/views/account_view.ex b/lib/pleroma/web/mastodon_api/views/account_view.ex
index 22a7dddf8..f2fa49cb5 100644
--- a/lib/pleroma/web/mastodon_api/views/account_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/account_view.ex
@@ -6,6 +6,10 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
   defp image_url(%{"url" => [ %{ "href" => href } | t ]}), do: href
   defp image_url(_), do: nil
 
+  def render("accounts.json", %{users: users} = opts) do
+    render_many(users, AccountView, "account.json", opts)
+  end
+
   def render("account.json", %{user: user}) do
     image = User.avatar_url(user)
     user_info = User.user_info(user)
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 93b31aba5..05d1e54b5 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -68,6 +68,8 @@ defmodule Pleroma.Web.Router do
 
     get "/statuses/:id", MastodonAPIController, :get_status
     get "/statuses/:id/context", MastodonAPIController, :get_context
+    get "/statuses/:id/favourited_by", MastodonAPIController, :favourited_by
+    get "/statuses/:id/reblogged_by", MastodonAPIController, :reblogged_by
 
     get "/accounts/:id/statuses", MastodonAPIController, :user_statuses
     get "/accounts/:id", MastodonAPIController, :user