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fab-manager/app/services/accounting_export_service.rb

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# frozen_string_literal: false
# Provides the routine to export the accounting data to an external accounting software
class AccountingExportService
include ActionView::Helpers::NumberHelper
attr_reader :encoding, :format, :separator, :journal_code, :date_format, :columns, :decimal_separator, :label_max_length,
:export_zeros
def initialize(columns, encoding: 'UTF-8', format: 'CSV', separator: ';')
@encoding = encoding
@format = format
@separator = separator
@decimal_separator = ','
@date_format = '%d/%m/%Y'
@label_max_length = 50
@export_zeros = false
@journal_code = Setting.find_by(name: 'accounting_journal_code')&.value || ''
@date_format = date_format
@columns = columns
end
def set_options(decimal_separator: ',', date_format: '%d/%m/%Y', label_max_length: 50, export_zeros: false)
@decimal_separator = decimal_separator
@date_format = date_format
@label_max_length = label_max_length
@export_zeros = export_zeros
end
def export(start_date, end_date, file)
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# build CSV content
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content = header_row
invoices = Invoice.where('created_at >= ? AND created_at <= ?', start_date, end_date).order('created_at ASC')
invoices = invoices.where('total > 0') unless export_zeros
invoices.each do |i|
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content << generate_rows(i)
end
# write content to file
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File.open(file, "w:#{encoding}") { |f| f.puts content.encode(encoding, invalid: :replace, undef: :replace) }
end
private
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def header_row
row = ''
columns.each do |column|
row << I18n.t("accounting_export.#{column}") << separator
end
"#{row}\n"
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end
def generate_rows(invoice)
rows = client_rows(invoice) + items_rows(invoice)
vat = vat_row(invoice)
rows += "#{vat}\n" unless vat.nil?
rows
end
# Generate the "subscription" and "reservation" rows associated with the provided invoice
def items_rows(invoice)
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rows = invoice.subscription_invoice? ? "#{subscription_row(invoice)}\n" : ''
if invoice.invoiced_type == 'Reservation'
items = invoice.invoice_items.select { |ii| ii.subscription.nil? }
items.each do |item|
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rows << "#{reservation_row(invoice, item)}\n"
end
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elsif invoice.invoiced_type == 'WalletTransaction'
rows << "#{wallet_row(invoice)}\n"
end
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rows
end
# Generate the "client" rows, which contains the debit to the client account, all taxes included
def client_rows(invoice)
rows = ''
invoice.payment_means.each do |details|
rows << row(
invoice,
account(invoice, :client, means: details[:means]),
account(invoice, :client, means: details[:means], type: :label),
details[:amount] / 100.00,
line_label: label(invoice),
debit_method: :debit_client,
credit_method: :credit_client
)
rows << "\n"
end
rows
end
# Generate the "reservation" row, which contains the credit to the reservation account, all taxes excluded
def reservation_row(invoice, item)
row(
invoice,
account(invoice, :reservation),
account(invoice, :reservation, type: :label),
item.net_amount / 100.00,
line_label: label(invoice)
)
end
# Generate the "subscription" row, which contains the credit to the subscription account, all taxes excluded
def subscription_row(invoice)
subscription_item = invoice.invoice_items.select(&:subscription).first
row(
invoice,
account(invoice, :subscription),
account(invoice, :subscription, type: :label),
subscription_item.net_amount / 100.00,
line_label: label(invoice)
)
end
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# Generate the "wallet" row, which contains the credit to the wallet account, all taxes excluded
# This applies to wallet crediting, when an Avoir is generated at this time
def wallet_row(invoice)
row(
invoice,
account(invoice, :wallet),
account(invoice, :wallet, type: :label),
invoice.invoice_items.first.net_amount / 100.00,
line_label: label(invoice)
)
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end
# Generate the "VAT" row, which contains the credit to the VAT account, with VAT amount only
def vat_row(invoice)
rate = VatHistoryService.new.invoice_vat(invoice)
# we do not render the VAT row if it was disabled for this invoice
return nil if rate.zero?
row(
invoice,
account(invoice, :vat),
account(invoice, :vat, type: :label),
invoice.invoice_items.map(&:vat).map(&:to_i).reduce(:+) / 100.00,
line_label: label(invoice)
)
end
# Generate a row of the export, filling the configured columns with the provided values
def row(invoice, account_code, account_label, amount, line_label: '', debit_method: :debit, credit_method: :credit)
row = ''
columns.each do |column|
case column
when 'journal_code'
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row << journal_code
when 'date'
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row << invoice.created_at&.strftime(date_format)
when 'account_code'
row << account_code
when 'account_label'
row << account_label
when 'piece'
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row << invoice.reference
when 'line_label'
row << line_label
when 'debit_origin'
row << method(debit_method).call(invoice, amount)
when 'credit_origin'
row << method(credit_method).call(invoice, amount)
when 'debit_euro'
row << method(debit_method).call(invoice, amount)
when 'credit_euro'
row << method(credit_method).call(invoice, amount)
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when 'lettering'
row << ''
else
puts "Unsupported column: #{column}"
end
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row << separator
end
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row
end
# Get the account code (or label) for the given invoice and the specified line type (client, vat, subscription or reservation)
def account(invoice, account, type: :code, means: :other)
case account
when :client
Setting.find_by(name: "accounting_#{means}_client_#{type}")&.value
when :vat
Setting.find_by(name: "accounting_VAT_#{type}")&.value
when :subscription
if invoice.subscription_invoice?
Setting.find_by(name: "accounting_subscription_#{type}")&.value
else
puts "WARN: Invoice #{invoice.id} has no subscription"
end
when :reservation
if invoice.invoiced_type == 'Reservation'
Setting.find_by(name: "accounting_#{invoice.invoiced.reservable_type}_#{type}")&.value
else
puts "WARN: Invoice #{invoice.id} has no reservation"
end
when :wallet
if invoice.invoiced_type == 'WalletTransaction'
Setting.find_by(name: "accounting_wallet_#{type}")&.value
else
puts "WARN: Invoice #{invoice.id} is not a wallet credit"
end
else
puts "Unsupported account #{account}"
end || ''
end
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# Fill the value of the "debit" column: if the invoice is a refund, returns the given amount, returns 0 otherwise
def debit(invoice, amount)
avoir = invoice.is_a? Avoir
avoir ? format_number(amount) : '0'
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end
# Fill the value of the "credit" column: if the invoice is a refund, returns 0, otherwise, returns the given amount
def credit(invoice, amount)
avoir = invoice.is_a? Avoir
avoir ? '0' : format_number(amount)
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end
# Fill the value of the "debit" column for the client row: if the invoice is a refund, returns 0, otherwise, returns the given amount
def debit_client(invoice, amount)
credit(invoice, amount)
end
# Fill the value of the "credit" column, for the client row: if the invoice is a refund, returns the given amount, returns 0 otherwise
def credit_client(invoice, amount)
debit(invoice, amount)
end
# Format the given number as a string, using the configured separator
def format_number(num)
number_to_currency(num, unit: '', separator: decimal_separator, delimiter: '', precision: 2)
end
# Create a text from the given invoice, matching the accounting software rules for the labels
def label(invoice)
name = "#{invoice.invoicing_profile.last_name} #{invoice.invoicing_profile.first_name}".tr separator, ''
reference = invoice.reference
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items = invoice.subscription_invoice? ? [I18n.t('accounting_export.subscription')] : []
items.push I18n.t("accounting_export.#{invoice.reservation.reservable_type}_reservation") if invoice.invoiced_type == 'Reservation'
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items.push I18n.t('accounting_export.wallet') if invoice.invoiced_type == 'WalletTransaction'
summary = items.join(' + ')
res = "#{reference}, #{summary}"
"#{name.truncate(label_max_length - res.length)}, #{res}"
end
end