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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.Indexer do
import Mix.Pleroma
import Ecto.Query
alias Pleroma.Workers.SearchIndexingWorker
def run(["create_index"]) do
start_pleroma()
with :ok <- Pleroma.Config.get([Pleroma.Search, :module]).create_index() do
IO.puts("Index created")
else
e -> IO.puts("Could not create index: #{inspect(e)}")
end
end
def run(["drop_index"]) do
start_pleroma()
with :ok <- Pleroma.Config.get([Pleroma.Search, :module]).drop_index() do
IO.puts("Index dropped")
else
e -> IO.puts("Could not drop index: #{inspect(e)}")
end
end
def run(["index" | options]) do
{options, [], []} =
OptionParser.parse(
options,
strict: [
chunk: :integer,
limit: :integer,
step: :integer
]
)
start_pleroma()
chunk_size = Keyword.get(options, :chunk, 100)
limit = Keyword.get(options, :limit, 100_000)
per_step = Keyword.get(options, :step, 1000)
chunks = max(div(limit, per_step), 1)
1..chunks
|> Enum.each(fn step ->
q =
from(a in Pleroma.Activity,
limit: ^per_step,
offset: ^per_step * (^step - 1),
select: [:id],
order_by: [desc: :id]
)
{:ok, ids} =
Pleroma.Repo.transaction(fn ->
Pleroma.Repo.stream(q, timeout: :infinity)
|> Enum.map(fn a ->
a.id
end)
end)
IO.puts("Got #{length(ids)} activities, adding to indexer")
ids
|> Enum.chunk_every(chunk_size)
|> Enum.each(fn chunk ->
IO.puts("Adding #{length(chunk)} activities to indexing queue")
chunk
|> Enum.map(fn id ->
SearchIndexingWorker.new(%{"op" => "add_to_index", "activity" => id})
end)
|> Oban.insert_all()
end)
end)
end
end

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