Merge pull request 'Skip posts in indexer where publish date is nil' (#356) from sn0w/akkoma:feature/indexer-skip-broken-activities into develop

Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/356
Reviewed-by: floatingghost <hannah@coffee-and-dreams.uk>

lib/pleroma/search/elasticsearch/document_mappings/activity.ex

@@ -30,7 +30,7 @@ def object_to_search_data(object) do
           trimmed
         end
 
-      if String.length(content) > 1 do
+      if String.length(content) > 1 and not is_nil(data["published"]) do
         {:ok, published, _} = DateTime.from_iso8601(data["published"])
 
         %{

lib/pleroma/search/meilisearch.ex

@@ -128,7 +128,7 @@ def object_to_search_data(object) do
           trimmed
         end
 
-      if String.length(content) > 1 do
+      if String.length(content) > 1 and not is_nil(data["published"]) do
         {:ok, published, _} = DateTime.from_iso8601(data["published"])
 
         %{