budget/app/models/member.rb

25 lines
513 B
Ruby

class Member < ApplicationRecord
has_many :incomes, dependent: :destroy
def income
incomes.sum(&:amount)
end
def included_income
incomes.where(included: true).sum(&:amount)
end
def others_included_income
Income.where(included: true).sum(&:amount) - included_income
end
def burden_percent
((Income.total - others_included_income) / Income.total).round(2)
rescue
0
end
def burden_amount(total_amount: Expense.monthly_total)
burden_percent * total_amount
end
end