mirror of
https://github.com/LaCasemate/fab-manager.git
synced 2024-12-10 21:24:20 +01:00
291 lines
9.0 KiB
Ruby
291 lines
9.0 KiB
Ruby
# frozen_string_literal: true
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require 'checksum'
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# Invoice correspond to a single purchase made by an user. This purchase may
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# include reservation(s) and/or a subscription
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class Invoice < ActiveRecord::Base
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include NotifyWith::NotificationAttachedObject
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require 'fileutils'
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scope :only_invoice, -> { where(type: nil) }
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belongs_to :invoiced, polymorphic: true
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has_many :invoice_items, dependent: :destroy
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accepts_nested_attributes_for :invoice_items
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belongs_to :user
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belongs_to :wallet_transaction
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belongs_to :coupon
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has_one :avoir, class_name: 'Invoice', foreign_key: :invoice_id, dependent: :destroy
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belongs_to :operator, foreign_key: :operator_id, class_name: 'User'
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before_create :add_environment
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after_create :update_reference, :chain_record
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after_commit :generate_and_send_invoice, on: [:create], if: :persisted?
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validates_with ClosedPeriodValidator
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def file
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dir = "invoices/#{user.id}"
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# create directories if they doesn't exists (invoice & user_id)
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FileUtils.mkdir_p dir
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"#{dir}/#{filename}"
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end
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def filename
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"#{ENV['INVOICE_PREFIX']}-#{id}_#{created_at.strftime('%d%m%Y')}.pdf"
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end
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def generate_reference
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pattern = Setting.find_by(name: 'invoice_reference').value
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# invoice number per day (dd..dd)
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reference = pattern.gsub(/d+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices('day'), match.to_s.length)
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end
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# invoice number per month (mm..mm)
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reference.gsub!(/m+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices('month'), match.to_s.length)
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end
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# invoice number per year (yy..yy)
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reference.gsub!(/y+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices('year'), match.to_s.length)
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end
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# full year (YYYY)
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reference.gsub!(/YYYY(?![^\[]*\])/, Time.now.strftime('%Y'))
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# year without century (YY)
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reference.gsub!(/YY(?![^\[]*\])/, Time.now.strftime('%y'))
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# abreviated month name (MMM)
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reference.gsub!(/MMM(?![^\[]*\])/, Time.now.strftime('%^b'))
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# month of the year, zero-padded (MM)
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reference.gsub!(/MM(?![^\[]*\])/, Time.now.strftime('%m'))
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# month of the year, non zero-padded (M)
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reference.gsub!(/M(?![^\[]*\])/, Time.now.strftime('%-m'))
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# day of the month, zero-padded (DD)
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reference.gsub!(/DD(?![^\[]*\])/, Time.now.strftime('%d'))
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# day of the month, non zero-padded (DD)
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reference.gsub!(/DD(?![^\[]*\])/, Time.now.strftime('%-d'))
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# information about online selling (X[text])
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if stp_invoice_id
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reference.gsub!(/X\[([^\]]+)\]/, '\1')
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else
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reference.gsub!(/X\[([^\]]+)\]/, ''.to_s)
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end
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# information about wallet (W[text])
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# reference.gsub!(/W\[([^\]]+)\]/, ''.to_s)
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# remove information about refunds (R[text])
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reference.gsub!(/R\[([^\]]+)\]/, ''.to_s)
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self.reference = reference
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end
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def update_reference
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generate_reference
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save
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end
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def order_number
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pattern = Setting.find_by(name: 'invoice_order-nb').value
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# global invoice number (nn..nn)
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reference = pattern.gsub(/n+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices('global'), match.to_s.length)
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end
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# invoice number per year (yy..yy)
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reference.gsub!(/y+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices('year'), match.to_s.length)
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end
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# invoice number per month (mm..mm)
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reference.gsub!(/m+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices('month'), match.to_s.length)
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end
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# invoice number per day (dd..dd)
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reference.gsub!(/d+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices('day'), match.to_s.length)
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end
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# full year (YYYY)
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reference.gsub!(/YYYY(?![^\[]*\])/, created_at.strftime('%Y'))
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# year without century (YY)
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reference.gsub!(/YY(?![^\[]*\])/, created_at.strftime('%y'))
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# abbreviated month name (MMM)
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reference.gsub!(/MMM(?![^\[]*\])/, created_at.strftime('%^b'))
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# month of the year, zero-padded (MM)
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reference.gsub!(/MM(?![^\[]*\])/, created_at.strftime('%m'))
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# month of the year, non zero-padded (M)
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reference.gsub!(/M(?![^\[]*\])/, created_at.strftime('%-m'))
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# day of the month, zero-padded (DD)
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reference.gsub!(/DD(?![^\[]*\])/, created_at.strftime('%d'))
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# day of the month, non zero-padded (DD)
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reference.gsub!(/DD(?![^\[]*\])/, created_at.strftime('%-d'))
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reference
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end
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# for debug & used by rake task "fablab:maintenance:regenerate_invoices"
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def regenerate_invoice_pdf
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pdf = ::PDF::Invoice.new(self, nil).render
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File.binwrite(file, pdf)
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end
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def build_avoir(attrs = {})
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raise Exception if refunded? === true || prevent_refund?
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avoir = Avoir.new(dup.attributes)
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avoir.type = 'Avoir'
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avoir.attributes = attrs
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avoir.reference = nil
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avoir.invoice_id = id
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# override created_at to compute CA in stats
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avoir.created_at = avoir.avoir_date
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avoir.total = 0
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# refunds of invoices with cash coupons: we need to ventilate coupons on paid items
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paid_items = 0
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refund_items = 0
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invoice_items.each do |ii|
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paid_items += 1 unless ii.amount.zero?
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next unless attrs[:invoice_items_ids].include? ii.id # list of items to refund (partial refunds)
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raise Exception if ii.invoice_item # cannot refund an item that was already refunded
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refund_items += 1 unless ii.amount.zero?
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avoir_ii = avoir.invoice_items.build(ii.dup.attributes)
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avoir_ii.created_at = avoir.avoir_date
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avoir_ii.invoice_item_id = ii.id
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avoir.total += avoir_ii.amount
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end
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# handle coupon
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unless avoir.coupon_id.nil?
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discount = avoir.total
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if avoir.coupon.type == 'percent_off'
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discount = avoir.total * avoir.coupon.percent_off / 100.0
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elsif avoir.coupon.type == 'amount_off'
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discount = (avoir.coupon.amount_off / paid_items) * refund_items
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else
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raise InvalidCouponError
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end
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avoir.total -= discount
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end
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avoir
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end
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def subscription_invoice?
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invoice_items.each do |ii|
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return true if ii.subscription && !ii.subscription.expired?
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end
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false
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end
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##
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# Test if the current invoice has been refund, totally or partially.
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# @return {Boolean|'partial'}, true means fully refund, false means not refunded
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##
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def refunded?
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if avoir
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invoice_items.each do |item|
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return 'partial' unless item.invoice_item
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end
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true
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else
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false
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end
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end
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##
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# Check if the current invoice is about a training that was previously validated for the concerned user.
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# In that case refunding the invoice shouldn't be allowed.
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# @return {Boolean}
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##
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def prevent_refund?
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if invoiced_type == 'Reservation' && invoiced.reservable_type == 'Training'
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user.trainings.include?(invoiced.reservable_id)
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else
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false
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end
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end
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# get amount total paid
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def amount_paid
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total - (wallet_amount || 0)
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end
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def add_environment
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self.environment = Rails.env
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end
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def chain_record
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self.footprint = compute_footprint
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save!
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end
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def check_footprint
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invoice_items.map(&:check_footprint).all? && footprint == compute_footprint
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end
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private
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def generate_and_send_invoice
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unless Rails.env.test?
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puts "Creating an InvoiceWorker job to generate the following invoice: id(#{id}), invoiced_id(#{invoiced_id}), " \
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"invoiced_type(#{invoiced_type}), user_id(#{user_id})"
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end
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InvoiceWorker.perform_async(id, user&.subscription&.expired_at)
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end
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##
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# Output the given integer with leading zeros. If the given value is longer than the given
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# length, it will be truncated.
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# @param value {Integer} the integer to pad
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# @param length {Integer} the length of the resulting string.
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##
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def pad_and_truncate (value, length)
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value.to_s.rjust(length, '0').gsub(/^.*(.{#{length},}?)$/m,'\1')
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end
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##
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# Returns the number of current invoices in the given range around the current date.
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# If range is invalid or not specified, the total number of invoices is returned.
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# @param range {String} 'day', 'month', 'year'
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# @return {Integer}
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##
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def number_of_invoices(range)
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case range.to_s
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when 'day'
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start = DateTime.current.beginning_of_day
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ending = DateTime.current.end_of_day
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when 'month'
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start = DateTime.current.beginning_of_month
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ending = DateTime.current.end_of_month
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when 'year'
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start = DateTime.current.beginning_of_year
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ending = DateTime.current.end_of_year
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else
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return id
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end
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return Invoice.count unless defined? start && defined? ending
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Invoice.where('created_at >= :start_date AND created_at < :end_date', start_date: start, end_date: ending).length
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end
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def compute_footprint
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max_date = created_at || DateTime.now
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previous = Invoice.where('created_at < ?', max_date)
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.order('created_at DESC')
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.limit(1)
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columns = Invoice.columns.map(&:name)
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.delete_if { |c| %w[footprint updated_at].include? c }
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Checksum.text("#{columns.map { |c| self[c] }.join}#{previous.first ? previous.first.footprint : ''}")
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end
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end
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