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38 lines
938 B
38 lines
938 B
require "json"
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require "./invoice_line"
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require "./address"
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require "../config"
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require "atomic"
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require "file"
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class Invoice
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@@last_invoice : Atomic(Int64) = Atomic(Int64).new(1)
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def self.initialize
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if(File.exists? Statics.data_path+"invoices_meta.json")
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@@last_invoice.set Int64.from_json File.read Statics.data_path+"invoices_meta.json"
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end
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end
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def self.get_new_id
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ret : Int64 =-1
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begin
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metaf = File.open(Statics.data_path+"invoices_meta.json")
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metaf.flock_exclusive do
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metaf.truncate
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ret = @@last_invoice.add(1)
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metaf.write @@last_invoice.get.to_json
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end
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ensure
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metaf.close
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end
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return ret
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end
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JSON.mapping(
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items: Array(InvoiceLine),
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invoicing_address: Address,
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delivery_address: Address,
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id: Int64
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)
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end
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