Class: CommandTower::Messaging::Planner::Planner

Inherits:
Object
  • Object
show all
Defined in:
app/services/command_tower/messaging/planner/planner.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(notification_type_key:, recipient_id:, preference_state: nil, platform_enabled_channels: [], message_overrides: nil) ⇒ Planner

Returns a new instance of Planner.



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# File 'app/services/command_tower/messaging/planner/planner.rb', line 11

def initialize(
  notification_type_key:,
  recipient_id:,
  preference_state: nil,
  platform_enabled_channels: [],
  message_overrides: nil
)
  @notification_type_key = notification_type_key.to_s
  @recipient_id = recipient_id
  @preference_state = preference_state
  @platform_enabled_channels = Array(platform_enabled_channels).map(&:to_s)
  @message_overrides = MessageOverrides.normalize(message_overrides)
end

Class Method Details

.call ⇒ Object 



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# File 'app/services/command_tower/messaging/planner/planner.rb', line 7

def self.call(...)
  new(...).call
end

Instance Method Details

#call ⇒ Object 



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# File 'app/services/command_tower/messaging/planner/planner.rb', line 25

def call
  unless @preference_state.nil?
    raise InvalidEvaluationError,
          "preference_state must not be supplied to Planner; use Preferences::Store"
  end

  declaration = lookup_declaration!
  evaluation = evaluate_preferences!
  readiness = evaluate_readiness!

  selected_channels = declaration.default_channels.select do |channel|
    evaluation.permitted_channels.include?(channel)
  end
  inbox_selected = declaration.inbox_available && evaluation.inbox_permitted

  excluded = build_initial_exclusions(
    declaration:,
    evaluation:,
    selected_channels:,
    inbox_selected:,
  )

  selected_channels, excluded = apply_readiness_intersection(
    selected_channels:,
    excluded:,
    readiness:,
  )

  selected_channels, inbox_selected, excluded =
    apply_overrides(
      declaration:,
      evaluation:,
      readiness:,
      selected_channels:,
      inbox_selected:,
      excluded:,
    )

  if declaration.mandatory && selected_channels.empty? && !inbox_selected
    raise ImpossibleMandatoryPlanError,
          "mandatory notification type has no selectable destinations: #{@notification_type_key}"
  end

  DestinationPlan.build(
    notification_type_key: @notification_type_key,
    recipient_id: @recipient_id,
    selected_channels:,
    inbox_selected:,
    excluded_destinations: excluded,
    mandatory: declaration.mandatory,
    preference_evaluation: evaluation,
  )
end