From af49c11193d7e78159b5a45fa798cce1565cece7 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Tue, 20 Jun 2017 09:50:22 +0200
Subject: [PATCH] Work around upserting problems in context mapping.

---
 lib/pleroma/object.ex                      |  2 +-
 lib/pleroma/web/twitter_api/twitter_api.ex | 12 ++++++++----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index 72991fa1f..5b51d6be3 100644
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -43,6 +43,6 @@ defmodule Pleroma.Object do
   end
 
   def context_mapping(context) do
-    %Object{data: %{"id" => context}}
+    Object.change(%Object{}, %{data: %{"id" => context}})
   end
 end
diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index 8e36ba3f4..5881af95e 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -283,10 +283,14 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   def context_to_conversation_id(context) do
     with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
       id
-    else _e ->
-      changeset = Object.context_mapping(context)
-      {:ok, %{id: id}} = Repo.insert(changeset)
-      id
+      else _e ->
+        changeset = Object.context_mapping(context)
+        case Repo.insert(changeset) do
+          {:ok, %{id: id}} -> id
+          # This should be solved by an upsert, but it seems ecto
+          # has problems accessing the constraint inside the jsonb.
+          {:error, _} -> Object.get_cached_by_ap_id(context).id
+        end
     end
   end