add FooterFormatter to pass tests

atsuya · Sep 2, 2013 · 4ec9eb4 · 4ec9eb4
1 parent aeb6d62
commit 4ec9eb4
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/lib/zengin/formatters.rb b/lib/zengin/formatters.rb
@@ -31,4 +31,25 @@ def format
       [2, deposit[:bank_code], nil, deposit[:branch_code], nil, nil, deposit[:account_type], deposit[:account_number], deposit[:account_name], deposit[:amount], 0, nil]
     end
   end
+
+  class FooterFormatter
+    attr_accessor :deposits
+
+    def initialize(deposits)
+      self.deposits = deposits
+    end
+
+    def format
+      [[8, deposits.length, sum, nil, nil, nil, nil, nil, nil, nil, nil, nil],
+        [9, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil]]
+    end
+
+    private
+
+    def sum
+      deposits.reduce(0) do |accumulator, deposit|
+        accumulator + deposit[:amount]
+      end
+    end
+  end
 end