add timestamp

lib/pleroma/elasticsearch/document_mappings/hashtag.ex

@@ -4,7 +4,7 @@ def id(obj), do: obj.id
   def encode(hashtag) do
     %{
       hashtag: hashtag.name,
-      timestamp: hashtag.inserted_at
+      timestamp: hashtag.timestamp
     }
   end
 end

lib/pleroma/elasticsearch/store.ex

@@ -1,6 +1,7 @@
 defmodule Pleroma.Elasticsearch do
   alias Pleroma.Activity
   alias Pleroma.User
+  alias Pleroma.Object
   alias Pleroma.Elasticsearch.DocumentMappings
   alias Pleroma.Config
   require Logger
@@ -45,6 +46,12 @@ def maybe_put_into_elasticsearch(_) do
     {:ok, :skipped}
   end
 
+  def maybe_bulk_post(data, type) do
+    if enabled?() do
+      bulk_post(data, type)
+    end
+  end
+
   def put(%Activity{} = activity) do
     {:ok, _} =
       Elastix.Document.index(
@@ -54,6 +61,12 @@ def put(%Activity{} = activity) do
         DocumentMappings.Activity.id(activity),
         DocumentMappings.Activity.encode(activity)
       )
+
+    activity
+    |> Map.get(:object)
+    |> Object.hashtags()
+    |> Enum.map(fn x -> %{id: x, name: x, timestamp: DateTime.to_iso8601(DateTime.utc_now())} end)
+    |> bulk_post(:hashtags)
   end
 
   def put(%User{} = user) do
@@ -95,12 +108,6 @@ def bulk_post(data, :activities) do
       )
   end
 
-  def maybe_bulk_post(data, type) do
-    if enabled?() do
-      bulk_post(data, type)
-    end
-  end
-
   def bulk_post(data, :users) do
     d =
       data
@@ -120,7 +127,7 @@ def bulk_post(data, :users) do
     )
   end
 
-  def bulk_post([] = data, :hashtags) do
+  def bulk_post(data, :hashtags) when is_list(data) do
     d =
       data
       |> Enum.map(fn d ->

lib/pleroma/hashtag.ex

@@ -61,7 +61,6 @@ def get_or_create_by_names(names) when is_list(names) do
                {:ok, Repo.all(from(ht in Hashtag, where: ht.name in ^names))}
              end)
              |> Repo.transaction() do
-        Pleroma.Elasticsearch.maybe_bulk_post(hashtags, :hashtags)
         {:ok, hashtags}
       else
         {:error, _name, value, _changes_so_far} -> {:error, value}