wanderer/lib/wanderer_app/application.ex

defmodule WandererApp.Application do
  @moduledoc false

  use Application

  require Logger

  @impl true
  def start(_type, _args) do
    children =
      [
        WandererApp.PromEx,
        WandererAppWeb.Telemetry,
        WandererApp.Vault,
        WandererApp.Repo,
        {Phoenix.PubSub, name: WandererApp.PubSub, adapter_name: Phoenix.PubSub.PG2},
        {Finch, name: WandererApp.Finch},
        WandererApp.Cache,
        Supervisor.child_spec({Cachex, name: :system_static_info_cache},
          id: :system_static_info_cache_worker
        ),
        Supervisor.child_spec({Cachex, name: :ship_types_cache},
          id: :ship_types_cache_worker
        ),
        Supervisor.child_spec({Cachex, name: :character_cache}, id: :character_cache_worker),
        Supervisor.child_spec({Cachex, name: :map_cache}, id: :map_cache_worker),
        Supervisor.child_spec({Cachex, name: :character_state_cache},
          id: :character_state_cache_worker
        ),
        WandererApp.Scheduler,
        {Registry, keys: :unique, name: WandererApp.MapRegistry},
        {Registry, keys: :unique, name: WandererApp.Character.TrackerRegistry},
        {PartitionSupervisor,
         child_spec: DynamicSupervisor, name: WandererApp.Map.DynamicSupervisors},
        {PartitionSupervisor,
         child_spec: DynamicSupervisor, name: WandererApp.Character.DynamicSupervisors},
        WandererApp.Zkb.Supervisor,
        WandererApp.Server.ServerStatusTracker,
        WandererApp.Server.TheraDataFetcher,
        WandererApp.Character.TrackerManager,
        WandererApp.Map.Manager,
        WandererApp.Map.ZkbDataFetcher,
        WandererAppWeb.Presence,
        WandererAppWeb.Endpoint
      ] ++ maybe_start_corp_wallet_tracker(WandererApp.Env.map_subscriptions_enabled?())

    # See https://hexdocs.pm/elixir/Supervisor.html
    # for other strategies and supported options
    opts = [strategy: :one_for_one, name: WandererApp.Supervisor]

    Supervisor.start_link(children, opts)
    |> case do
      {:ok, _pid} = ok ->
        ok

      {:error, info} = e ->
        Logger.error("Failed to start application: #{inspect(info)}")
        e
    end
  end

  # Tell Phoenix to update the endpoint configuration
  # whenever the application is updated.
  @impl true
  def config_change(changed, _new, removed) do
    WandererAppWeb.Endpoint.config_change(changed, removed)
    :ok
  end

  defp maybe_start_corp_wallet_tracker(true),
    do: [
      WandererApp.StartCorpWalletTrackerTask
    ]

  defp maybe_start_corp_wallet_tracker(_), do: []
end