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fab-manager/app/models/accounting_period.rb
2020-03-25 12:35:09 +01:00

91 lines
2.8 KiB
Ruby

# frozen_string_literal: true
require 'checksum'
require 'version'
require 'zip'
# AccountingPeriod is a period of N days (N > 0) which as been closed by an admin
# to prevent writing new accounting lines (invoices & refunds) during this period of time.
class AccountingPeriod < ApplicationRecord
before_destroy { false }
before_update { false }
before_create :compute_totals
after_commit :archive_closed_data, on: [:create]
validates :start_at, :end_at, :closed_at, :closed_by, presence: true
validates_with DateRangeValidator
validates_with DurationValidator
validates_with PastPeriodValidator
validates_with PeriodOverlapValidator
validates_with PeriodIntegrityValidator
def delete
false
end
def invoices
Invoice.where('created_at >= :start_date AND CAST(created_at AS DATE) <= :end_date', start_date: start_at, end_date: end_at)
end
def invoices_with_vat(invoices)
vat_service = VatHistoryService.new
invoices.map do |i|
{ invoice: i, vat_rate: vat_service.invoice_vat(i) }
end
end
def archive_folder
dir = "accounting/#{id}"
# create directory if it doesn't exists (accounting)
FileUtils.mkdir_p dir
dir
end
def archive_file
"#{archive_folder}/#{start_at.iso8601}_#{end_at.iso8601}.zip"
end
def archive_json_file
"#{start_at.iso8601}_#{end_at.iso8601}.json"
end
def check_footprint
footprint == compute_footprint
end
def previous_period
AccountingPeriod.where('closed_at < ?', closed_at).order(closed_at: :desc).limit(1).last
end
private
def archive_closed_data
ArchiveWorker.perform_async(id)
end
def price_without_taxe(invoice)
invoice[:invoice].total - (invoice[:invoice].total * invoice[:vat_rate])
end
def compute_totals
period_invoices = invoices_with_vat(invoices.where(type: nil))
period_avoirs = invoices_with_vat(invoices.where(type: 'Avoir'))
self.period_total = (period_invoices.map(&method(:price_without_taxe)).reduce(:+) || 0) -
(period_avoirs.map(&method(:price_without_taxe)).reduce(:+) || 0)
all_invoices = invoices_with_vat(Invoice.where('CAST(created_at AS DATE) <= :end_date AND type IS NULL', end_date: end_at))
all_avoirs = invoices_with_vat(Invoice.where("CAST(created_at AS DATE) <= :end_date AND type = 'Avoir'", end_date: end_at))
self.perpetual_total = (all_invoices.map(&method(:price_without_taxe)).reduce(:+) || 0) -
(all_avoirs.map(&method(:price_without_taxe)).reduce(:+) || 0)
self.footprint = compute_footprint
end
def compute_footprint
columns = AccountingPeriod.columns.map(&:name)
.delete_if { |c| %w[id footprint created_at updated_at].include? c }
Checksum.text("#{columns.map { |c| self[c] }.join}#{previous_period ? previous_period.footprint : ''}")
end
end