Class: Dorsale::BillingMachine::Invoice

Inherits:
ApplicationRecord show all
Defined in:
app/models/dorsale/billing_machine/invoice.rb

Defined Under Namespace

Classes: Copy, Statistics

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from ApplicationRecord

last_created

Instance Attribute Details

#vat_rate ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 81

def vat_rate
  if ::Dorsale::BillingMachine.vat_mode == :multiple
    raise "Invoice#vat_rate is not available in multiple vat mode"
  end

  return @vat_rate if @vat_rate

  vat_rates = lines.map(&:vat_rate).uniq

  if vat_rates.length > 1
    raise "Invoice has multiple vat rates"
  end

  vat_rates.first || ::Dorsale::BillingMachine.default_vat_rate
end

Instance Method Details

#apply_vat_rate_to_lines ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 99

def apply_vat_rate_to_lines
  return if ::Dorsale::BillingMachine.vat_mode == :multiple

  lines.each do |line|
    line.vat_rate = vat_rate
  end
end

#assign_default_dates ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 48

def assign_default_dates
  assign_default :date,     Date.current
  assign_default :due_date, Date.current + 30.days
end

#assign_default_values ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 38

def assign_default_values
  assign_default :advance,               0.0
  assign_default :vat_amount,            0.0
  assign_default :commercial_discount,   0.0
  assign_default :total_excluding_taxes, 0.0
  assign_default :paid,                  false
end

#assign_tracking_id ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 34

def assign_tracking_id
  self.tracking_id = date.year.to_s + "-" + unique_index.to_s.rjust(2, "0")
end

#assign_unique_index ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 28

def assign_unique_index
  if unique_index.nil?
    self.unique_index = self.class.all.pluck(:unique_index).max.to_i.next
  end
end

#document_type ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 21

def document_type
  :invoice
end

#payment_status ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 107

def payment_status
  if paid?
    :paid
  elsif due_date.nil?
    :on_alert
  elsif Date.current >= due_date + 15
    :on_alert
  elsif Date.current > due_date
    :late
  else
    :pending
  end
end

#t(*args) ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 121

def t(*args)
  return super if args.any?

  if balance&.negative?
    super(:credit_note)
  else
    self.class.t
  end
end

#update_totals ⇒ Object 



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# File 'app/models/dorsale/billing_machine/invoice.rb', line 55

def update_totals
  assign_default_values
  lines.each(&:update_total)
  apply_vat_rate_to_lines

  lines_sum = lines.map(&:total).sum

  self.total_excluding_taxes = lines_sum - commercial_discount

  if commercial_discount.nonzero? && lines_sum.nonzero?
    discount_rate = commercial_discount / lines_sum
  else
    discount_rate = 0.0
  end

  self.vat_amount = 0.0

  lines.each do |line|
    line_total = line.total - (line.total * discount_rate)
    self.vat_amount += (line_total * line.vat_rate / 100.0).round(2)
  end

  self.total_including_taxes = total_excluding_taxes + vat_amount
  self.balance               = total_including_taxes - advance
end