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

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# 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
require Logger
require Pleroma.Constants
import Mix.Pleroma
import Ecto.Query
def run(["index"]) do
start_pleroma()
endpoint = Pleroma.Config.get([Pleroma.Search.Meilisearch, :url])
{:ok, _} =
Pleroma.HTTP.post(
"#{endpoint}/indexes/objects/settings/ranking-rules",
Jason.encode!([
"desc(published)",
"typo",
"words",
"proximity",
"attribute",
"wordsPosition",
"exactness"
])
)
chunk_size = 100_000
Pleroma.Repo.transaction(
fn ->
Pleroma.Repo.stream(
from(Pleroma.Object,
# Only index public posts which are notes and have some text
where:
fragment("data->>'type' = 'Note'") and
fragment("LENGTH(data->>'source') > 0") and
fragment("data->'to' \\? ?", ^Pleroma.Constants.as_public()),
order_by: [desc: fragment("data->'published'")]
),
timeout: :infinity
)
|> Stream.chunk_every(chunk_size)
|> Stream.transform(0, fn objects, acc ->
new_acc = acc + Enum.count(objects)
IO.puts("Indexed #{new_acc} entries")
{[objects], new_acc}
end)
|> Stream.map(fn objects ->
Enum.map(objects, fn object ->
data = object.data
{:ok, published, _} = DateTime.from_iso8601(data["published"])
%{
id: object.id,
source: data["source"],
ap: data["id"],
published: published |> DateTime.to_unix()
}
end)
end)
|> Stream.each(fn objects ->
{:ok, result} =
Pleroma.HTTP.post(
"#{endpoint}/indexes/objects/documents",
Jason.encode!(objects)
)
if not Map.has_key?(Jason.decode!(result.body), "updateId") do
IO.puts("Failed to index: #{result}")
end
end)
|> Stream.run()
end,
timeout: :infinity
)
end
def run(["clear"]) do
start_pleroma()
endpoint = Pleroma.Config.get([Pleroma.Search.Meilisearch, :url])
{:ok, result} =
Pleroma.HTTP.request(:delete, "#{endpoint}/indexes/objects/documents", "", [], [])
if not Map.has_key?(Jason.decode!(result.body), "updateId") do
IO.puts("Failed to clear: #{result}")
end
end
end