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fab-manager/app/services/wallet_service.rb

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# frozen_string_literal: true
# Provides methods to manage wallets
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class WalletService
def initialize(user: nil, wallet: nil)
@user = user
@wallet = wallet
end
## credit an amount to wallet, if credit success then return a wallet transaction and notify to admin
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def credit(amount)
ActiveRecord::Base.transaction do
if @wallet.credit(amount)
transaction = WalletTransaction.new(
invoicing_profile: @user.invoicing_profile,
wallet: @wallet,
transaction_type: 'credit',
amount: amount
)
if transaction.save
NotificationCenter.call type: 'notify_user_wallet_is_credited',
receiver: @wallet.user,
attached_object: transaction
NotificationCenter.call type: 'notify_admin_user_wallet_is_credited',
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receiver: User.admins_and_managers,
attached_object: transaction
return transaction
end
end
raise ActiveRecord::Rollback
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end
false
end
## debit an amount to wallet, if debit success then return a wallet transaction
def debit(amount)
ActiveRecord::Base.transaction do
if @wallet.debit(amount)
transaction = WalletTransaction.new(
invoicing_profile: @user&.invoicing_profile,
wallet: @wallet,
transaction_type: 'debit',
amount: amount
)
return transaction if transaction.save
end
raise ActiveRecord::Rollback
end
false
end
## create a refund invoice associated with the given wallet transaction
def create_avoir(wallet_transaction, avoir_date, description)
avoir = Avoir.new
avoir.type = 'Avoir'
avoir.avoir_date = avoir_date
avoir.created_at = avoir_date
avoir.description = description
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avoir.payment_method = 'wallet'
avoir.subscription_to_expire = false
avoir.invoicing_profile_id = wallet_transaction.wallet.user.invoicing_profile.id
avoir.statistic_profile_id = wallet_transaction.wallet.user.statistic_profile.id
avoir.total = wallet_transaction.amount * 100.0
avoir.save!
ii = InvoiceItem.new
ii.amount = wallet_transaction.amount * 100.0
ii.description = I18n.t('invoices.wallet_credit')
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ii.object = wallet_transaction
ii.invoice = avoir
ii.main = true
ii.save!
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end
##
# Compute the amount decreased from the user's wallet, if applicable
# @param payment {Invoice|PaymentSchedule}
# @param user {User} the customer
# @param coupon {Coupon|String} Coupon object or code
##
def self.wallet_amount_debit(payment, user, coupon = nil)
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total = if payment.is_a? PaymentSchedule
payment.payment_schedule_items.first.amount
else
payment.total
end
total = CouponService.new.apply(total, coupon, user.id) if coupon
wallet_amount = (user.wallet.amount * 100).to_i
wallet_amount >= total ? total : wallet_amount
end
##
# Subtract the amount of the payment document (Invoice|PaymentSchedule) from the customer's wallet
##
def self.debit_user_wallet(payment, user)
wallet_amount = WalletService.wallet_amount_debit(payment, user)
return unless wallet_amount.present? && wallet_amount != 0
amount = wallet_amount / 100.0
wallet_transaction = WalletService.new(user: user, wallet: user.wallet).debit(amount)
# wallet debit success
raise DebitWalletError unless wallet_transaction
payment.set_wallet_transaction(wallet_amount, wallet_transaction.id)
end
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end