From 6eb33e73035789fd9160e697617feb30a3070589 Mon Sep 17 00:00:00 2001
From: Maksim <parallel588@gmail.com>
Date: Wed, 31 Jul 2019 18:35:15 +0000
Subject: [PATCH] test for Pleroma.Web.CommonAPI.Utils.get_by_id_or_ap_id

---
 lib/pleroma/flake_id.ex                       | 10 ++++++++++
 lib/pleroma/web/common_api/utils.ex           |  7 ++++++-
 test/flake_id_test.exs                        |  5 +++++
 test/web/common_api/common_api_utils_test.exs | 20 +++++++++++++++++++
 4 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/flake_id.ex b/lib/pleroma/flake_id.ex
index 58ab3650d..ca0610abc 100644
--- a/lib/pleroma/flake_id.ex
+++ b/lib/pleroma/flake_id.ex
@@ -66,6 +66,16 @@ def from_integer(integer) do
   @spec get :: binary
   def get, do: to_string(:gen_server.call(:flake, :get))
 
+  # checks that ID is is valid FlakeID
+  #
+  @spec is_flake_id?(String.t()) :: boolean
+  def is_flake_id?(id), do: is_flake_id?(String.to_charlist(id), true)
+  defp is_flake_id?([c | cs], true) when c >= ?0 and c <= ?9, do: is_flake_id?(cs, true)
+  defp is_flake_id?([c | cs], true) when c >= ?A and c <= ?Z, do: is_flake_id?(cs, true)
+  defp is_flake_id?([c | cs], true) when c >= ?a and c <= ?z, do: is_flake_id?(cs, true)
+  defp is_flake_id?([], true), do: true
+  defp is_flake_id?(_, _), do: false
+
   # -- Ecto.Type API
   @impl Ecto.Type
   def type, do: :uuid
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index d80fffa26..c8a743e8e 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -24,7 +24,12 @@ defmodule Pleroma.Web.CommonAPI.Utils do
   # This is a hack for twidere.
   def get_by_id_or_ap_id(id) do
     activity =
-      Activity.get_by_id_with_object(id) || Activity.get_create_by_object_ap_id_with_object(id)
+      with true <- Pleroma.FlakeId.is_flake_id?(id),
+           %Activity{} = activity <- Activity.get_by_id_with_object(id) do
+        activity
+      else
+        _ -> Activity.get_create_by_object_ap_id_with_object(id)
+      end
 
     activity &&
       if activity.data["type"] == "Create" do
diff --git a/test/flake_id_test.exs b/test/flake_id_test.exs
index ca2338041..85ed5bbdf 100644
--- a/test/flake_id_test.exs
+++ b/test/flake_id_test.exs
@@ -39,4 +39,9 @@ test "ecto type behaviour" do
     assert dump(flake_s) == {:ok, flake}
     assert dump(flake) == {:ok, flake}
   end
+
+  test "is_flake_id?/1" do
+    assert is_flake_id?("9eoozpwTul5mjSEDRI")
+    refute is_flake_id?("http://example.com/activities/3ebbadd1-eb14-4e20-8118-b6f79c0c7b0b")
+  end
 end
diff --git a/test/web/common_api/common_api_utils_test.exs b/test/web/common_api/common_api_utils_test.exs
index af320f31f..4b5666c29 100644
--- a/test/web/common_api/common_api_utils_test.exs
+++ b/test/web/common_api/common_api_utils_test.exs
@@ -360,4 +360,24 @@ test "for direct posts, a reply" do
       assert third_user.ap_id in to
     end
   end
+
+  describe "get_by_id_or_ap_id/1" do
+    test "get activity by id" do
+      activity = insert(:note_activity)
+      %Pleroma.Activity{} = note = Utils.get_by_id_or_ap_id(activity.id)
+      assert note.id == activity.id
+    end
+
+    test "get activity by ap_id" do
+      activity = insert(:note_activity)
+      %Pleroma.Activity{} = note = Utils.get_by_id_or_ap_id(activity.data["object"])
+      assert note.id == activity.id
+    end
+
+    test "get activity by object when type isn't `Create` " do
+      activity = insert(:like_activity)
+      %Pleroma.Activity{} = like = Utils.get_by_id_or_ap_id(activity.id)
+      assert like.data["object"] == activity.data["object"]
+    end
+  end
 end