candle_clock

defmodule <%= schema_name(assigns) %> do
  use Ecto.Schema

  schema "<%= table_name(assigns) %>" do
    # mfa to call whenever the timer expires
    field :module, CandleClock.AtomType
    field :function, CandleClock.AtomType
    field :arguments, CandleClock.ErlangTermType

    # calculated from interval, crontab or the duration
    field :expires_at, <%= datetime_type(assigns) %>

    # Set when created via call_after
    field :duration, :integer # milliseconds

    # Set when created via call_interval
    field :interval, :integer # milliseconds

    # Set when created via call_crontab
    field :crontab, Crontab.CronExpression.Ecto.Type

    # Timezone that should be used for crontab
    field :crontab_timezone, :string

    # Records how often the timer was called
    field :calls, :integer, default: 0

    # Limits how often this timer can be called before it's cancelled
    field :max_calls, :integer

    # If true, interval-based timers will skip a call if they couldn't be called
    # during a downtime
    field :skip_if_offline, :boolean, default: true
    
    # if not null, the name field can be used to make a timer unique
    # when starting a timer for a name, and a timer with that name already exists,
    # the existing timer will be cancelled
    field :name, :string

    # whether this timer is currently being executed
    field :executing, :boolean, default: false

    timestamps(type: <%= datetime_type(assigns) %>)
  end
end