Class: Gold::SelectTierOp

Inherits:
Object
  • Object
show all
Includes:
Outcomes
Defined in:
app/operations/gold/select_tier_op.rb

Overview

Allows a merchant to select their initial tier or change their tier.

Constant Summary

Constants included from Outcomes

Outcomes::AcceptedCharge, Outcomes::AcceptedTerms, Outcomes::ActiveCharge, Outcomes::CannotApplyDiscount, Outcomes::CannotIssueCredit, Outcomes::CannotProcessCharge, Outcomes::CannotSelectTier, Outcomes::ChargeNeeded, Outcomes::ChargeNotNeeded, Outcomes::DeclinedCharge, Outcomes::DeclinedTerms, Outcomes::ExpiredCharge, Outcomes::FrozenCharge, Outcomes::MismatchCharge, Outcomes::MissingCharge, Outcomes::PendingCharge, Outcomes::SameDiscount, Outcomes::SameTier, Outcomes::TierApplied, Outcomes::TierNotFound, Outcomes::Uninstalled

Instance Method Summary collapse

Constructor Details

#initialize(billing, tier, enforce_locking = true) ⇒ SelectTierOp

Returns a new instance of SelectTierOp.



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# File 'app/operations/gold/select_tier_op.rb', line 11

def initialize(billing, tier, enforce_locking = true)
  @billing = billing
  @tier = tier
  @enforce_locking = enforce_locking
end

Instance Method Details

#call ⇒ Object 



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# File 'app/operations/gold/select_tier_op.rb', line 17

def call
  @billing.transaction do
    return CannotSelectTier.new(:nil) unless @tier
    return CannotSelectTier.new(:locked) if @enforce_locking && @tier.locked?

    if (@billing.tier != @tier) && !@billing.qualifies_for_tier?(@tier)
      return CannotSelectTier.new(:disqualified)
    end

    # Mark the tier as selected
    if @billing.transition_to(:select_tier, tier_id: @tier.id)
    elsif @billing.transition_to(:change_tier, tier_id: @tier.id)
    else
      message = "Cannot transition from '#{@billing.current_state}' " \
                "to 'select_tier' or 'change_tier'"
      raise Statesman::TransitionFailedError, message
    end

    # Mark the beginning of the trial if it hasn't been set already
    @billing.update(trial_starts_at: Time.current) unless @billing.trial_starts_at
  end

  # Process the tier selection, creating charges if necessary
  if @billing.shopify_plan.affiliate? ||
     @billing.shopify_plan.staff? ||
     @tier.free?

    # If the shop doesn't need a charge, apply the tier
    return ApplyTierOp.new(@billing).call
  else
    # A valid charge is necessary before applying the new tier
    return ChargeNeeded.new
  end
end