Implement muting, add it to the mastodon API

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -232,6 +232,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       params
       |> Map.put("type", ["Create", "Announce"])
       |> Map.put("blocking_user", user)
+      |> Map.put("muting_user", user)
       |> Map.put("user", user)
 
     activities =
@@ -254,6 +255,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       |> Map.put("type", ["Create", "Announce"])
       |> Map.put("local_only", local_only)
       |> Map.put("blocking_user", user)
+      |> Map.put("muting_user", user)
       |> ActivityPub.fetch_public_activities()
       |> Enum.reverse()
 
@@ -620,6 +622,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       |> Map.put("type", "Create")
       |> Map.put("local_only", local_only)
       |> Map.put("blocking_user", user)
+      |> Map.put("muting_user", user)
       |> Map.put("tag", tags)
       |> Map.put("tag_all", tag_all)
       |> Map.put("tag_reject", tag_reject)
@@ -763,6 +766,20 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def mute(%{assigns: %{user: muter}} = conn, %{"id" => id}) do
+    with %User{} = muted <- Repo.get(User, id),
+         {:ok, muter} <- User.mute(muter, muted) do
+      render(conn, AccountView, "relationship.json", %{user: muter, target: muted})
+    end
+  end
+
+  def unmute(%{assigns: %{user: muter}} = conn, %{"id" => id}) do
+    with %User{} = muted <- Repo.get(User, id),
+         {:ok, muter} <- User.unmute(muter, muted) do
+      render(conn, AccountView, "relationship.json", %{user: muter, target: muted})
+    end
+  end
+
   def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
     with %User{} = blocked <- Repo.get(User, id),
          {:ok, blocker} <- User.block(blocker, blocked),
@@ -1018,6 +1035,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
         params
         |> Map.put("type", "Create")
         |> Map.put("blocking_user", user)
+        |> Map.put("muting_user", user)
 
       # we must filter the following list for the user to avoid leaking statuses the user
       # does not actually have permission to see (for more info, peruse security issue #270).

lib/pleroma/web/mastodon_api/views/account_view.ex

@@ -47,6 +47,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
       following: User.following?(user, target),
       followed_by: User.following?(target, user),
       blocking: User.blocks?(user, target),
+      muting: User.mutes?(user, target),
       muting: false,
       muting_notifications: false,
       requested: requested,