Use :utc_datetime

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

lib/pleroma/user.ex

@@ -1463,8 +1463,8 @@ def mute(%User{} = muter, %User{} = mutee, params \\ %{}) do
 
     expires_at =
       if expires_in > 0 do
-        NaiveDateTime.utc_now()
+        DateTime.utc_now()
-        |> NaiveDateTime.add(expires_in)
+        |> DateTime.add(expires_in)
       else
         nil
       end

lib/pleroma/user_relationship.ex

@@ -18,7 +18,7 @@ defmodule Pleroma.UserRelationship do
     belongs_to(:source, User, type: FlakeId.Ecto.CompatType)
     belongs_to(:target, User, type: FlakeId.Ecto.CompatType)
     field(:relationship_type, Pleroma.UserRelationship.Type)
-    field(:expires_at, :naive_datetime)
+    field(:expires_at, :utc_datetime)
 
     timestamps(updated_at: false)
   end

priv/repo/migrations/20220616163503_add_expires_at_to_user_relationships.exs

@@ -7,7 +7,7 @@ defmodule Pleroma.Repo.Migrations.AddExpiresAtToUserRelationships do
 
   def change do
     alter table(:user_relationships) do
-      add_if_not_exists(:expires_at, :naive_datetime)
+      add_if_not_exists(:expires_at, :utc_datetime)
     end
   end
 end

test/pleroma/web/mastodon_api/views/account_view_test.exs

@@ -646,9 +646,9 @@ test "renders mute expiration date" do
       mute_expires_at: mute_expires_at
     } = AccountView.render("show.json", %{user: other_user, for: user, mutes: true})
 
-    assert NaiveDateTime.diff(
+    assert DateTime.diff(
              mute_expires_at,
-             NaiveDateTime.utc_now() |> NaiveDateTime.add(24 * 60 * 60)
+             DateTime.utc_now() |> DateTime.add(24 * 60 * 60)
            ) in -3..3
   end
 end