lib/embratel/phone_bill.rb in embratel-1.0.0 vs lib/embratel/phone_bill.rb in embratel-1.1.0

@@ -1,40 +1,21 @@
 module Embratel
   class PhoneBill
+    attr_reader :payables
+
     def initialize(path)
-      begin
-        @csv = CSV.read(path, { :skip_blanks => true })
-      rescue Errno::ENOENT
-        raise
-      rescue Errno::EISDIR
-        raise
-      rescue CSV::MalformedCSVError
-        raise
-      else
-        raise InvalidPhoneBillFileError if (invalid_rows? || non_csv?(path))
-      end
+      @payables = CSVParser.parse(path)
     end
 
     def calls
-      @calls ||= @csv.inject([]) do |calls, row|
-        call = Call.new(row)
-        call.valid? ? (calls << call) : calls
-      end
+      @calls ||= @payables.select(&:call?)
     end
 
-    def total
-      @total ||= calls.inject(0) { |sum, call| sum += call.cost.to_f }
+    def fees
+      @calls ||= @payables.select(&:fee?)
     end
 
-    private
-
-    def invalid_rows?
-      csv = @csv.dup
-      3.times  { csv.shift }
-      csv.any? { |row| !Call.new(row).valid? }
-    end
-
-    def non_csv?(path)
-      File.extname(path) != '.csv'
+    def total
+      @total ||= payables.inject(0) { |sum, payable| sum += payable.cost.to_f }
     end
   end
 end