class MudratProjector::Validator
Attributes
chart[RW]
Public Class Methods
new(projector: projector, chart: chart)
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# File lib/mudrat_projector/validator.rb, line 5 def initialize projector: projector, chart: chart @projector = projector @chart = chart end
Public Instance Methods
must_be_balanced!()
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# File lib/mudrat_projector/validator.rb, line 10 def must_be_balanced! unless projector.balanced? raise Projector::BalanceError, "Cannot project unless the accounts "\ "are in balance" end end
validate_account!(account_id, params)
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# File lib/mudrat_projector/validator.rb, line 17 def validate_account! account_id, params if chart.exists? account_id raise Projector::AccountExists, "Account #{account_id.inspect} exists" end unless Account::TYPES.include? params[:type] raise Projector::InvalidAccount, "Account #{account_id.inspect} has "\ "invalid type #{params[:type].inspect}" end end
validate_transaction!(transaction)
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# File lib/mudrat_projector/validator.rb, line 27 def validate_transaction! transaction if transaction.date < projector.from raise Projector::InvalidTransaction, "Transactions cannot occur before "\ "projection start date. (#{projector.from} vs. #{transaction.date})" end unless transaction.balanced? raise Projector::BalanceError, "Credits and debit entries both "\ "must be supplied; they cannot amount to zero" end if transaction.credits.empty? || transaction.debits.empty? raise Projector::InvalidTransaction, "You must supply at least a debit "\ "and a credit on each transaction" end end