Class: Dscf::Banking::VoucherService

Inherits:
BaseTransactionService show all
Defined in:
app/services/dscf/banking/voucher_service.rb

Instance Attribute Summary collapse

Attributes inherited from BaseTransactionService

#errors

Instance Method Summary collapse

Methods inherited from BaseTransactionService

#failure?, #success?

Constructor Details

#initialize ⇒ VoucherService

Returns a new instance of VoucherService.



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# File 'app/services/dscf/banking/voucher_service.rb', line 6

def initialize
  super
  @voucher = nil
  @redemption = nil
end

Instance Attribute Details

#redemption ⇒ Object (readonly)

Returns the value of attribute redemption.



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# File 'app/services/dscf/banking/voucher_service.rb', line 4

def redemption
  @redemption
end

#voucher ⇒ Object (readonly)

Returns the value of attribute voucher.



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# File 'app/services/dscf/banking/voucher_service.rb', line 4

def voucher
  @voucher
end

Instance Method Details

#cancel_voucher(code:) ⇒ Object 



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# File 'app/services/dscf/banking/voucher_service.rb', line 113

def cancel_voucher(code:)
  @voucher = Dscf::Banking::Voucher.find_by(code: code.to_s.strip.upcase)

  unless @voucher
    add_error("Voucher not found")
    return self
  end

  if @voucher.redeemed? || @voucher.cancelled?
    add_error("Voucher cannot be cancelled")
    return self
  end

  ActiveRecord::Base.transaction do
    @voucher.lock!
    refundable = @voucher.remaining_amount.to_f
    @voucher.update!(status: :cancelled, remaining_amount: 0)

    if refundable.positive?
      create_voucher_transaction(
        debit_account: (@voucher.currency),
        credit_account: @voucher.,
        amount: refundable,
        description: "Voucher cancellation #{@voucher.code}"
      )
    end
  end

  self
end

#expire_due_vouchers ⇒ Object 



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# File 'app/services/dscf/banking/voucher_service.rb', line 168

def expire_due_vouchers
  Dscf::Banking::Voucher.active_now.find_each do |voucher|
    expire_voucher(voucher) if voucher.expired?
  end

  self
end

#expire_voucher(voucher) ⇒ Object 



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# File 'app/services/dscf/banking/voucher_service.rb', line 144

def expire_voucher(voucher)
  return self unless voucher

  ActiveRecord::Base.transaction do
    voucher.lock!
    return self unless voucher.active?
    return self unless voucher.expired?

    refundable = voucher.remaining_amount.to_f
    voucher.update!(status: :expired, remaining_amount: 0)

    if refundable.positive?
      create_voucher_transaction(
        debit_account: (voucher.currency),
        credit_account: voucher.,
        amount: refundable,
        description: "Voucher expiration #{voucher.code}"
      )
    end
  end

  self
end

#generate_voucher(parent_account:, amount:, recipient_mobile:, recipient_name: nil, message: nil, expires_at: nil) ⇒ Object 



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# File 'app/services/dscf/banking/voucher_service.rb', line 12

def generate_voucher(parent_account:, amount:, recipient_mobile:, recipient_name: nil, message: nil, expires_at: nil)
  amount = amount.to_f
  return self unless validate_generate_params(, amount, recipient_mobile)

  expires_at ||= default_expiration

   = (.currency)
  return self unless success?

  voucher_code = generate_code

  ActiveRecord::Base.transaction do
    transaction = create_voucher_transaction(
      debit_account: ,
      credit_account: ,
      amount: amount,
      description: "Voucher issuance #{voucher_code}"
    )

    return self unless success?

    @voucher = Dscf::Banking::Voucher.create(
      parent_account: ,
      amount: amount,
      remaining_amount: amount,
      currency: .currency,
      recipient_mobile: recipient_mobile,
      recipient_name: recipient_name,
      message: message,
      expires_at: expires_at,
      status: :active,
      code: voucher_code
    )

    unless @voucher.persisted?
      @voucher.errors.full_messages.each { |msg| add_error(msg) }
      raise ActiveRecord::Rollback
    end

    transaction&.update(description: "Voucher issuance #{@voucher.code}")
  end

  self
end

#redeem_voucher(code:, amount:, recipient_mobile: nil, destination_account: nil) ⇒ Object 



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# File 'app/services/dscf/banking/voucher_service.rb', line 57

def redeem_voucher(code:, amount:, recipient_mobile: nil, destination_account: nil)
  amount = amount.to_f
  code = code.to_s.strip.upcase
  @voucher = Dscf::Banking::Voucher.find_by(code: code)

  unless @voucher
    add_error("Voucher not found")
    return self
  end

  return self unless validate_redeem_params(amount)
  return self unless validate_voucher_state(@voucher, amount)
  return self unless ensure_voucher_settlement_funds(@voucher.currency, amount)

  if 
    return self unless (, "Destination account")
    unless .currency == @voucher.currency
      add_error("Currency mismatch between voucher and destination account")
      return self
    end
  end

  ActiveRecord::Base.transaction do
    @voucher.lock!
    remaining_after = @voucher.remaining_amount.to_f - amount

    @redemption = Dscf::Banking::VoucherRedemption.create(
      voucher: @voucher,
      amount: amount,
      currency: @voucher.currency,
      recipient_mobile: recipient_mobile.presence || "N/A",
      destination_account: ,
      redeemed_at: Time.current
    )

    unless @redemption.persisted?
      @redemption.errors.full_messages.each { |msg| add_error(msg) }
      raise ActiveRecord::Rollback
    end

    update_voucher_balance_and_status(@voucher, remaining_after)
    return self unless success?

    if 
      create_voucher_transaction(
        debit_account: (@voucher.currency),
        credit_account: ,
        amount: amount,
        description: "Voucher redemption #{@voucher.code}"
      )
    end
  end

  self
end