88 lines
2.3 KiB
Ruby
88 lines
2.3 KiB
Ruby
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module Ticket::Number::Date
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extend self
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def number_generate_item
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# get config
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config = Setting.get('ticket_number_date')
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t = Time.now
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date = t.strftime("%Y-%m-%d")
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# read counter
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file_name = config[:file] || '/tmp/counter.log'
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contents = ""
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begin
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file = File.open(file_name)
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file.each {|line|
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contents << line
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}
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file.close
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rescue
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contents = '0'
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end
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# increase counter
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counter, date_file = contents.to_s.split(';')
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if date_file == date
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counter = counter.to_i + 1
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else
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counter = 1
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end
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contents = counter.to_s + ';' + date
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# write counter
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file = File.open(file_name, 'w')
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file.write(contents)
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file.close
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system_id = Setting.get('system_id') || ''
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number = t.strftime("%Y%m%d") + system_id.to_s + sprintf( "%04d", counter)
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# calculate a checksum
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# The algorithm to calculate the checksum is derived from the one
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# Deutsche Bundesbahn (german railway company) uses for calculation
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# of the check digit of their vehikel numbering.
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# The checksum is calculated by alternately multiplying the digits
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# with 1 and 2 and adding the resulsts from left to right of the
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# vehikel number. The modulus to 10 of this sum is substracted from
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# 10. See: http://www.pruefziffernberechnung.de/F/Fahrzeugnummer.shtml
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# (german)
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if config[:checksum]
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chksum = 0
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mult = 1
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(1..number.length).each do |i|
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digit = number.to_s[i, 1]
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chksum = chksum + ( mult * digit.to_i )
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mult += 1;
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if mult == 3
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mult = 1;
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end
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end
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chksum %= 10
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chksum = 10 - chksum
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if chksum == 10
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chksum = 1
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end
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number += chksum.to_s
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end
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return number
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end
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def number_check_item (string)
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# get config
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system_id = Setting.get('system_id') || ''
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ticket_hook = Setting.get('ticket_hook')
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ticket_hook_divider = Setting.get('ticket_hook_divider') || ''
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ticket = nil
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# probe format
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if string =~ /#{ticket_hook}#{ticket_hook_divider}(#{system_id}\d{2,50})/i then
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ticket = Ticket.where( :number => $1 ).first
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elsif string =~ /#{ticket_hook}\s{0,2}(#{system_id}\d{2,50})/i then
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ticket = Ticket.where( :number => $1 ).first
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end
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return ticket
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end
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end
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