1 files changed, 51 insertions, 0 deletions
diff --git a/lib/mix/tasks/pleroma/database.ex b/lib/mix/tasks/pleroma/database.ex
index 22151ce08..a09852503 100644
--- a/lib/mix/tasks/pleroma/database.ex
+++ b/lib/mix/tasks/pleroma/database.ex
@@ -128,6 +128,57 @@ defmodule Mix.Tasks.Pleroma.Database do
     |> Stream.run()
   end
 
+  def run(["fill_old_hashtags", month_limit]) do
+    import Ecto.Query
+
+    start_pleroma()
+
+    month_limit = String.to_integer(month_limit)
+
+    if month_limit < 1 do
+      shell_error("Invalid `month_limit` argument, needs to be greater than 1")
+    else
+      time_limit = DateTime.utc_now() |> Timex.shift(months: -month_limit)
+
+      from(
+        o in Object,
+        where: fragment("(?)->>'hashtags' is null", o.data),
+        where: fragment("(?)->>'tag' != '[]'", o.data),
+        where: o.inserted_at < ^time_limit,
+        select: %{id: o.id, tag: fragment("(?)->>'tag'", o.data)}
+      )
+      |> Pleroma.Repo.chunk_stream(200, :batches)
+      |> Stream.each(fn objects ->
+        Repo.transaction(fn ->
+          objects_first = objects |> List.first()
+          objects_last = objects |> List.last()
+
+          Logger.info(
+            "fill_old_hashtags: #{objects_first.id} (#{objects_first.inserted_at}) -- #{
+              objects_last.id
+            } (#{objects_last.inserted_at})"
+          )
+
+          objects
+          |> Enum.map(fn object ->
+            tags =
+              object.tag
+              |> Jason.decode!()
+              |> Enum.filter(&is_bitstring(&1))
+
+            Object
+            |> where([o], o.id == ^object.id)
+            |> update([o],
+              set: [data: fragment("safe_jsonb_set(?, '{hashtags}', ?, true)", o.data, ^tags)]
+            )
+            |> Repo.update_all([], timeout: :infinity)
+          end)
+        end)
+      end)
+      |> Stream.run()
+    end
+  end
+
   def run(["vacuum", args]) do
     start_pleroma()