houdini/lib/insert/insert_charge.rb

# License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
require 'psql'
require 'qexpr'
require 'calculate/calculate_fees'
require 'stripe'
require 'get_data'
require 'active_support/core_ext'
require 'query/billing_plans'
require 'stripe_account' unless !Settings.payment_provider.stripe_connect

module InsertCharge

  # In data, pass in: amount, nonprofit_id, supporter_id, card_id, statement
  # Optionally pass in :metadata for stripe and donation_id to connect to donation?
  # @raise [ParamValidation::ValidationError] parameter validation occurred
  # @raise [Stripe::StripeError] the stripe account couldn't be accessed or created
  def self.with_stripe(data)
    begin
      ParamValidation.new(data || {}, {
          :amount => {
              :required => true,
              :is_integer => true,
              :min => 0
          },
          :nonprofit_id => {
              :required => true,
              :is_integer => true
          },
          :supporter_id => {
              :required => true,
              :is_integer => true
          },
          :card_id => {
              :required => true,
              :is_integer => true
          },
          :statement => {
              :required => true,
              :not_blank => true
          }
      })

      np = Nonprofit.where('id = ?', data[:nonprofit_id]).first

      unless np
        raise ParamValidation::ValidationError.new("#{data[:nonprofit_id]} is not a valid Nonprofit", {:key => :nonprofit_id})
      end

      supporter = Supporter.where('id = ?', data[:supporter_id]).first

      unless supporter
        raise ParamValidation::ValidationError.new("#{data[:supporter_id]} is not a valid Supporter", {:key => :supporter_id})
      end

      card = Card.where('id = ?', data[:card_id]).first

      unless card
        raise ParamValidation::ValidationError.new("#{data[:card_id]} is not a valid card", {:key => :card_id})
      end

      unless np == supporter.nonprofit
        raise ParamValidation::ValidationError.new("#{data[:supporter_id]} does not belong to this nonprofit #{np.id}", {:key => :supporter_id})
      end

      unless card.holder == supporter
        if (data[:old_donation])
          #these are not new donations so we let them fly (for now)
        else
          raise ParamValidation::ValidationError.new("#{data[:card_id]} does not belong to this supporter #{supporter.id}", {:key => :card_id})
        end
      end

      result = {}
      # Catch errors thrown by the stripe gem so we can respond with a 422 with an error message rather than 500
      begin
        stripe_customer_id = card.stripe_customer_id
        stripe_account_id = StripeAccount.find_or_create(data[:nonprofit_id])
      rescue => e
        raise e
      end
      nonprofit_currency = Qx.select(:currency).from(:nonprofits).where("id=$id", id: data[:nonprofit_id]).execute.first['currency']

      stripe_charge_data = {
        customer: stripe_customer_id,
        amount: data[:amount],
        currency: nonprofit_currency,
        description: data[:statement],
        statement_descriptor: data[:statement][0..21].gsub(/[<>"']/,''),
        metadata: data[:metadata]
     }

      if Settings.payment_provider.stripe_connect
        stripe_account_id = StripeAccount.find_or_create(data[:nonprofit_id])
        # Get the percentage fee on the nonprofit's billing plan
        platform_fee = BillingPlans.get_percentage_fee(data[:nonprofit_id])
        fee = CalculateFees.for_single_amount(data[:amount], platform_fee)
        stripe_charge_data[:application_fee]= fee

      # For backwards compatibility, see if the customer exists in the primary or the connected account
      # If it's a legacy customer, charge to the primary account and transfer with .destination
      # Otherwise, charge directly to the connected account
        begin
          stripe_cust = Stripe::Customer.retrieve(stripe_customer_id)
          params = [stripe_charge_data.merge(destination: stripe_account_id), {}]
        rescue
          params = [stripe_charge_data, {stripe_account: stripe_account_id}]
        end
      else
        fee=0
        stripe_charge_data[:source]=card['stripe_card_id']
	      params = [stripe_charge_data, {}]
      end

      begin
        stripe_charge = Stripe::Charge.create(*params)
      rescue Stripe::CardError => e
        failure_message = "There was an error with your card: #{e.json_body[:error][:message]}"
      rescue Stripe::StripeError => e
        failure_message = "We're sorry, but something went wrong. We've been notified about this issue."
      end


      charge = Charge.new

      charge.amount = data[:amount]
      charge.fee = fee

      charge.stripe_charge_id = GetData.chain(stripe_charge, :id)
      charge.failure_message = failure_message
      charge.status = GetData.chain(stripe_charge, :paid) ? 'pending' : 'failed'
      charge.card = card
      charge.donation = Donation.where('id = ?', data[:donation_id]).first
      charge.supporter = supporter
      charge.nonprofit = np
      charge.save!
      result['charge'] = charge

      if stripe_charge && stripe_charge.status != 'failed'
        payment = Payment.new
        payment.gross_amount = data[:amount]
        payment.fee_total = -fee
        payment.net_amount = data[:amount] - fee
        payment.towards = data[:towards]
        payment.kind = data[:kind]
        payment.donation = Donation.where('id = ?', data[:donation_id]).first
        payment.nonprofit = np
        payment.supporter = supporter
        payment.refund_total = 0
        payment.date = data[:date] || result['charge'].created_at
        payment.save!


        result['payment'] = payment

        charge.payment = payment
        charge.save!
        result['charge'] = charge
      end

      return result
    rescue => e
      raise e
    end
  end

  def self.with_sepa(data)
    result = {}
    entities = RetrieveActiveRecordItems.retrieve_from_keys(data, DirectDebitDetail => :direct_debit_detail_id, Supporter => :supporter_id, Nonprofit => :nonprofit_id)
    nonprofit_currency = entities[:nonprofit_id].currency

    # TODO
    fee = 0

    #todo charge should be changed to SEPA charge

    c = Charge.new
    c.direct_debit_detail = entities[:direct_debit_detail_id]
    c.amount = data[:amount]
    c.fee = fee
    c.status = 'pending'
    c.nonprofit = entities[:nonprofit_id]
    c.supporter = entities[:supporter_id]
    c.save!

    result['charge'] = c

    p = Payment.new

    p.gross_amount= data[:amount]
    p.fee_total= -fee
    p.net_amount= data[:amount] - fee
    p.towards = data[:towards]
    p.kind = data[:kind]
    p.nonprofit = entities[:nonprofit_id]
    p.supporter = entities[:supporter_id]
    p.refund_total = 0
    p.date = data[:date] || result['charge'].created_at
    p.save!

    result['payment'] = p

    c.payment = p
    c.save!
    p.save!

    result
  end
end