policy-service/lib/policy_service/events/policy.ex

defmodule PolicyService.Events.Policy do
  @moduledoc """
  Policy domain events.
  Contains helpers for common event functionality.
  """

  alias PolicyService.Aggregates.PolicyId

  defmacro __using__(_opts) do
    quote do
      defimpl Commanded.Serialization.JsonDecoder do
        def decode(%{id: %{org_id: org_id, policy_type: policy_type, application_id: application_id}} = event) do
          %{event | id: PolicyId.new(org_id, policy_type, application_id)}
        end

        def decode(event), do: event
      end
    end
  end

  defmodule PolicyApplicationSubmitted do
    use PolicyService.Events.Policy
    @derive Jason.Encoder
    defstruct [
      :id,
      :submitted_by,
      :applicant_info,
      :policy_details,
      :selected_providers,
      :submitted_at
    ]
  end

  defmodule QuoteRequestSent do
    use PolicyService.Events.Policy
    @derive Jason.Encoder
    defstruct [
      :id,
      :provider_id,
      :provider_email,
      :applicant_info,
      :policy_details,
      :requested_at
    ]
  end

  defmodule ProviderQuoteReceived do
    use PolicyService.Events.Policy
    @derive Jason.Encoder
    defstruct [
      :id,
      :recorded_by,
      :provider_id,
      :quote_id,
      :premium,
      :coverage_details,
      :valid_until,
      :plans,
      :received_at
    ]
  end

  defmodule AllQuotesReceived do
    use PolicyService.Events.Policy
    @derive Jason.Encoder
    defstruct [:id, :quote_count]
  end

  defmodule QuoteAccepted do
    use PolicyService.Events.Policy
    @derive Jason.Encoder
    defstruct [
      :id,
      :accepted_by,
      :quote,
      :plan,
      :provider,
      :accepted_at
    ]
  end

  defmodule SolicitationSent do
    use PolicyService.Events.Policy
    @derive Jason.Encoder
    defstruct [
      :id,
      :solicitation_id,
      :provider_id,
      :template_id,
      :s3_key,
      :sent_at
    ]
  end

  defmodule PolicyIssued do
    use PolicyService.Events.Policy
    @derive Jason.Encoder
    defstruct [
      :id,
      :policy_number,
      :effective_date,
      :expiry_date,
      :issued_at
    ]
  end
end