Initial meilisearch implementation, doesn't delete posts yet

lib/mix/tasks/pleroma/search/meilisearch.ex

@@ -0,0 +1,38 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Mix.Tasks.Pleroma.Search.Meilisearch do
+  import Mix.Pleroma
+
+  import Ecto.Query
+
+  def run(["index"]) do
+    start_pleroma()
+
+    endpoint = Pleroma.Config.get([Pleroma.Search.Meilisearch, :url])
+
+    Pleroma.Repo.chunk_stream(
+      from(Pleroma.Object,
+        limit: 200,
+        where: fragment("data->>'type' = 'Note'") and fragment("LENGTH(data->>'source') > 0")
+      ),
+      100,
+      :batches
+    )
+    |> Stream.map(fn objects ->
+      Enum.map(objects, fn object ->
+        data = object.data
+        %{id: object.id, source: data["source"], ap: data["id"]}
+      end)
+    end)
+    |> Stream.each(fn activities ->
+      {:ok, _} =
+        Pleroma.HTTP.post(
+          "#{endpoint}/indexes/objects/documents",
+          Jason.encode!(activities)
+        )
+    end)
+    |> Stream.run()
+  end
+end