HaimKortovich
079837a20b
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70 lines
2.8 KiB
Elixir
70 lines
2.8 KiB
Elixir
defmodule PolicyService.Consumers.QuoteTaskConsumer do
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use GenServer
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require Logger
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alias PolicyService.CommandedApp
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alias PolicyService.Commands.{CarPolicy, FirePolicy}
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alias PolicyService.Aggregates.PolicyId
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@exchange "workload_service.events.quote_task_completed"
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@queue "policy_service.quote_task_consumer"
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@routing_key "quote_task_completed"
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def start_link(opts \\ []), do: GenServer.start_link(__MODULE__, opts, name: __MODULE__)
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def init(_opts) do
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{:ok, conn} = AMQP.Connection.open(Application.fetch_env!(:policy_service, :amqp_url))
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{:ok, channel} = AMQP.Channel.open(conn)
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AMQP.Queue.declare(channel, @queue, durable: true)
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AMQP.Queue.bind(channel, @queue, @exchange, routing_key: @routing_key)
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AMQP.Basic.consume(channel, @queue, nil, no_ack: false)
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Logger.info("QuoteTaskConsumer started, listening on #{@queue}")
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{:ok, %{channel: channel}}
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end
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def handle_info({:basic_deliver, payload, %{delivery_tag: tag}}, %{channel: ch} = state) do
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with {:ok, event} <- Jason.decode(payload),
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{:ok, _} <- dispatch(event) do
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AMQP.Basic.ack(ch, tag)
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else
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{:error, reason} ->
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Logger.error("QuoteTaskConsumer failed: #{inspect(reason)}")
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AMQP.Basic.nack(ch, tag, requeue: false)
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end
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{:noreply, state}
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end
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def handle_info({:basic_consume_ok, _}, state), do: {:noreply, state}
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def handle_info({:basic_cancel, _}, state), do: {:stop, :normal, state}
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def handle_info({:basic_cancel_ok, _}, state), do: {:noreply, state}
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defp dispatch(%{
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"application_id" => %{"org_id" => org_id, "policy_type" => policy_type, "application_id" => app_id},
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"task_info" => %{"provider_id" => provider_id},
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"submission" => %{"quote_id" => quote_id, "recorded_by" => recorded_by, "valid_until" => valid_until, "plans" => plans}
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}) do
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cmd = case policy_type do
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"car" -> %CarPolicy.RecordProviderQuote{
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id: PolicyId.new(org_id, policy_type, app_id),
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recorded_by: recorded_by || "system",
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provider_id: provider_id,
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quote_id: quote_id,
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valid_until: parse_date(valid_until),
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plans: Enum.map(plans || [], &%{plan_id: &1["plan_id"], name: &1["name"], premium: &1["premium"], coverage_details: &1["coverage_details"]})
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}
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"fire" -> %FirePolicy.RecordProviderQuote{
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id: PolicyId.new(org_id, policy_type, app_id),
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recorded_by: recorded_by || "system",
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provider_id: provider_id,
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quote_id: quote_id,
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valid_until: parse_date(valid_until),
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plans: Enum.map(plans || [], &%{plan_id: &1["plan_id"], name: &1["name"], premium: &1["premium"], coverage_details: &1["coverage_details"]})
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}
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end
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CommandedApp.dispatch(cmd, consistency: :strong)
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end
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defp parse_date(nil), do: nil
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defp parse_date(s) when is_binary(s), do: Date.from_iso8601(s) |> elem(1)
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end |