shop_setup branch

2017-05-30 23:46:22 +08:00
parent 9361e24a8a
commit 516b854fba
17 changed files with 79 additions and 3 deletions
--- a/app/models/seed_generator.rb
+++ b/app/models/seed_generator.rb
@@ -1,4 +1,23 @@
 class SeedGenerator < ApplicationRecord
+  def self.generate_id(model, prefix)
+    seed = SeedGenerator.find_by_model(model)
+    new_receipt_no = 0
+    if (seed.nil?)
+      seed = SeedGenerator.new()
+      seed.model = model
+      new_receipt_no = seed.next
+      seed.save
+
+    else
+      current_no = seed.next
+      seed.next = seed.next + seed.increase_by
+      seed.current = current_no
+      seed.save
+    end
+
+    return prefix + "-" + seed.current.to_s
+  end
+
  def self.new_receipt_no
    seed = SeedGenerator.find_by_model("sale")
    new_receipt_no = 0