72 lines
1.8 KiB
Ruby
72 lines
1.8 KiB
Ruby
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module Fundraising
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class Donation < ApplicationRecord
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FEATURE_COST = 500 # in cents = $5.00
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belongs_to :campaign
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belongs_to :user, optional: true
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has_many :features, class_name: 'DonationFeature'
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def to_param
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"#{id}-#{secret}"
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end
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def self.create_from_charge(campaign, user, params)
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amount = (BigDecimal.new(params[:amount]) * 100).floor
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campaign.progress += amount
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charge_params = {
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amount: amount,
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description: 'Donation (thank you!)',
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currency: 'usd'
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}
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if params[:stripe_token_type] == 'card'
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customer = Stripe::Customer.create(
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card: params[:stripe_token]
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)
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charge_params[:customer] = customer.id
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elsif params[:stripe_token_type] == 'bitcoin_receiver'
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charge_params[:card] = params[:stripe_token]
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else
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raise ArgumentError, "unexpected stripe token type #{params[:stripe_token_type]}"
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end
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charge = Stripe::Charge.create(charge_params)
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donation = campaign.donations.build
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donation.amount = amount
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donation.charge_id = charge.id
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donation.user = user
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donation.donor_name = user.try(:name)
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donation.donor_email = params[:donor_email]
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donation.secret = new_secret
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num_features = amount / FEATURE_COST
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features = []
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num_features.times do
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features << donation.features.new
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end
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Donation.transaction do
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campaign.save!
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donation.save!
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features.each(&:save!)
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end
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DonationMailer.thank_you_email(donation, donation.donor_email).deliver
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donation
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end
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def self.new_secret
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SecureRandom.urlsafe_base64 8
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end
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def self.from_param(param)
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id, secret = param.split('-', 2)
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self.where(secret: secret).find(id)
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end
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end
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end
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