Sergei Poljanski
a34b8cd33d
Sequel guards primary keys against mass assignment, so passing uuid: to Invoice.new raised MassAssignmentRestriction and turned every invoice creation into a 500. Build the instance with the rest of the fields, then set uuid as an attribute before returning.
96 lines
2.6 KiB
Ruby
96 lines
2.6 KiB
Ruby
require 'sequel'
|
|
require 'securerandom'
|
|
require 'json'
|
|
require 'bigdecimal'
|
|
|
|
class Invoice < Sequel::Model(:invoices)
|
|
CURRENCIES = %w[USD EUR GEL].freeze
|
|
|
|
plugin :json_serializer
|
|
|
|
def items_array
|
|
raw = self[:items]
|
|
raw.is_a?(String) ? JSON.parse(raw) : raw
|
|
end
|
|
|
|
def items_array=(arr)
|
|
self[:items] = Sequel.pg_jsonb_wrap(arr)
|
|
rescue NoMethodError
|
|
self[:items] = arr.to_json
|
|
end
|
|
|
|
def paid?
|
|
!paid_at.nil?
|
|
end
|
|
|
|
def status
|
|
paid? ? 'paid' : 'pending'
|
|
end
|
|
|
|
def total
|
|
BigDecimal(subtotal.to_s)
|
|
end
|
|
|
|
def total_gel
|
|
(total * BigDecimal(gel_rate.to_s)).round(2)
|
|
end
|
|
|
|
class << self
|
|
def allocate_number(year = Date.today.year)
|
|
prefix = "INV-#{year}-"
|
|
last = where(Sequel.like(:number, "#{prefix}%"))
|
|
.order(Sequel.desc(:number))
|
|
.get(:number)
|
|
n = last ? last.split('-').last.to_i + 1 : 1
|
|
format("#{prefix}%04d", n)
|
|
end
|
|
|
|
def build(params)
|
|
items = normalize_items(params.fetch(:items))
|
|
subtotal = items.sum { |i| BigDecimal(i['qty'].to_s) * BigDecimal(i['unit_price'].to_s) }
|
|
|
|
invoice = Invoice.new(
|
|
number: allocate_number,
|
|
client_name: params.fetch(:client_name).to_s.strip,
|
|
client_email: params.fetch(:client_email).to_s.strip,
|
|
client_address: params[:client_address].to_s.strip,
|
|
currency: normalize_currency(params.fetch(:currency)),
|
|
gel_rate: BigDecimal(params.fetch(:gel_rate).to_s),
|
|
subtotal: subtotal,
|
|
items: items.to_json,
|
|
issued_on: parse_date(params[:issued_on]) || Date.today,
|
|
due_on: parse_date(params[:due_on]) || (Date.today + 14),
|
|
notes: params[:notes].to_s.strip,
|
|
pdf_key: '',
|
|
created_at: Time.now.utc
|
|
)
|
|
invoice.uuid = SecureRandom.uuid
|
|
invoice
|
|
end
|
|
|
|
private
|
|
|
|
def normalize_currency(c)
|
|
c = c.to_s.upcase
|
|
CURRENCIES.include?(c) or raise ArgumentError, "Unsupported currency: #{c}"
|
|
c
|
|
end
|
|
|
|
def normalize_items(raw)
|
|
Array(raw).filter_map do |row|
|
|
desc = row['description'].to_s.strip
|
|
next if desc.empty?
|
|
qty = BigDecimal(row['qty'].to_s.empty? ? '0' : row['qty'].to_s)
|
|
unit = BigDecimal(row['unit_price'].to_s.empty? ? '0' : row['unit_price'].to_s)
|
|
{ 'description' => desc, 'qty' => qty.to_s('F'), 'unit_price' => unit.to_s('F') }
|
|
end
|
|
end
|
|
|
|
def parse_date(s)
|
|
return nil if s.nil? || s.to_s.strip.empty?
|
|
Date.parse(s.to_s)
|
|
rescue ArgumentError
|
|
nil
|
|
end
|
|
end
|
|
end
|