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defmodule WalletSettlement.Commands.RunSettlementBatch do |
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@moduledoc """ |
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Command to create and enqueue a settlement batch for async execution. |
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Creates a pending `SettlementBatch`, persists it, then enqueues a |
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`SettlementWorker` job on the `:settlement_high` queue. |
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Returns `{:ok, batch}` on success or `{:error, reason}`. |
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""" |
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alias WalletSettlement.{SettlementBatch, SettlementStore, JobQueue} |
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alias WalletSettlement.Workers.SettlementWorker |
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alias WalletObservability.AuditEvent |
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@spec execute( |
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window_start :: DateTime.t(), |
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window_end :: DateTime.t(), |
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transfer_ids :: [String.t()], |
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opts :: keyword() |
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) :: {:ok, SettlementBatch.t()} | {:error, term()} |
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def execute(window_start, window_end, transfer_ids, opts \\ []) do |
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correlation_id = Keyword.get(opts, :correlation_id, WalletSharedKernel.Correlation.new_correlation_id()) |
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batch = SettlementBatch.new(window_start, window_end, transfer_ids, |
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total_amount: Keyword.get(opts, :total_amount, 0), |
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currency: Keyword.get(opts, :currency), |
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correlation_id: correlation_id, |
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metadata: Keyword.get(opts, :metadata, %{}) |
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) |
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with :ok <- SettlementStore.store(batch), |
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{:ok, _job_id} <- JobQueue.enqueue(:settlement_high, SettlementWorker, %{ |
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"batch_id" => batch.batch_id, |
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"correlation_id" => correlation_id |
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}) do |
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emit_audit(batch.batch_id, correlation_id, length(transfer_ids)) |
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{:ok, batch} |
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end |
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rescue |
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error -> {:error, error} |
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end |
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defp emit_audit(batch_id, correlation_id, transfer_count) do |
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audit = AuditEvent.build(:settlement, "settlement_batch_queued", "settlement_batch", batch_id, |
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:success, correlation_id: correlation_id, metadata: %{transfer_count: transfer_count}) |
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:telemetry.execute([:wallet_settlement, :audit], %{}, audit) |
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rescue |
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:-( |
_ -> :ok |
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end |
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end |