101 lines
2.6 KiB
Ruby
Executable File
101 lines
2.6 KiB
Ruby
Executable File
class SeedGenerator < ApplicationRecord
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# Generate ID for Tables
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def self.generate_id(model, prefix)
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cur_val, next_val = self.update_seed(model)
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if (cur_val == 0)
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cur_val, next_val = self.execute_query(model)
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end
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padding_len = 15 - prefix.length
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saleOrderId = prefix +"-"+ cur_val.to_s.to_s.rjust((14-prefix.length)+1,'0')
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return saleOrderId
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end
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# Generate Receipt No for number order (1,2,3) Don't touch
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def self.new_receipt_no
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seed = SeedGenerator.find_by_model("sale")
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new_receipt_no = 0
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if (seed.nil?)
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seed = SeedGenerator.new()
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seed.model = "sale"
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new_receipt_no = seed.next
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seed.save
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else
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current_no = seed.next
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seed.next = seed.next
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seed.current = current_no
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seed.save
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end
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return seed.current
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end
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# Generate for 4 digit Code
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def self.generate_code(model, prefix)
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seed = SeedGenerator.find_by_model(model)
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new_code = 0
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if (seed.nil?)
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seed = SeedGenerator.new()
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seed.model = model
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new_code = seed.next
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seed.save
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else
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current_no = seed.next
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seed.next = seed.next + seed.increase_by
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seed.current = current_no
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seed.save
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end
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if prefix.length == 1
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padding_len = 5 - prefix.length
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count = 4-prefix.length
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else prefix.length == 2
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padding_len = 6 - prefix.length
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count = 5-prefix.length
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end
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next_code = prefix + seed.current.to_s.to_s.rjust((count)+1,'0')
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return next_code
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end
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def self.execute_query(model)
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current = 0
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nex = 0
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sql = "INSERT INTO seed_generators (model, created_at, updated_at)
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VALUES('#{ model }', NOW(), NOW())
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ON DUPLICATE KEY UPDATE current = current + 1, next = next + 1;"
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select_sql = "select * from seed_generators where model='#{model}';"
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ActiveRecord::Base.connection.execute(sql);
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select_result = ActiveRecord::Base.connection.execute(select_sql);
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select_result.each do |row|
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current = row [3]
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nex = row[4]
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end
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return current, nex
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end
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def self.update_seed(model)
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current = 0
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nex = 0
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update_sql = "UPDATE seed_generators set current = next, next = next + 1 WHERE model='#{model}';"
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select_sql = "select * from seed_generators where model='#{model}';"
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update_result = ActiveRecord::Base.connection.execute(update_sql);
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select_result = ActiveRecord::Base.connection.execute(select_sql);
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select_result.each do |row|
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current = row [3]
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nex = row[4]
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end
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return current, nex
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end
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end
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