Claudio Ortolina
30 lines
810 B
Elixir
30 lines
810 B
Elixir
defmodule LastFm.Worker.BackfillScrobbledTracks do
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use Oban.Worker, queue: :heavy_writes, max_attempts: 3
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alias MusicLibrary.BackgroundRepo
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@backfill_delay 5
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@batch_size 100
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@impl Oban.Worker
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def perform(%{args: %{"to_uts" => to_uts}}) do
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# importing is an all or nothing operation, which means that we can
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# use the returning count to determine if we reached the end of the backfilling
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# process.
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case LastFm.Import.batch(to_uts: to_uts, limit: @batch_size) do
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{@batch_size, nil} ->
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next_to_uts = LastFm.lowest_scrobbled_at_uts()
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%{"to_uts" => next_to_uts}
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|> new(schedule_in: @backfill_delay)
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|> BackgroundRepo.insert()
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{other_count, nil} when is_integer(other_count) ->
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:ok
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error ->
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error
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end
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end
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end
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