Commit 5800691

@@ -0,0 +1,22 @@
+       Team            P     W    L   D    F      A     Pts
+    1. Arsenal         38    26   9   3    79  -  36    87
+    2. Liverpool       38    24   8   6    67  -  30    80
+    3. Manchester_U    38    24   5   9    87  -  45    77
+    4. Newcastle       38    21   8   9    74  -  52    71
+    5. Leeds           38    18  12   8    53  -  37    66
+    6. Chelsea         38    17  13   8    66  -  38    64
+    7. West_Ham        38    15   8  15    48  -  57    53
+    8. Aston_Villa     38    12  14  12    46  -  47    50
+    9. Tottenham       38    14   8  16    49  -  53    50
+   10. Blackburn       38    12  10  16    55  -  51    46
+   11. Southampton     38    12   9  17    46  -  54    45
+   12. Middlesbrough   38    12   9  17    35  -  47    45
+   13. Fulham          38    10  14  14    36  -  44    44
+   14. Charlton        38    10  14  14    38  -  49    44
+   15. Everton         38    11  10  17    45  -  57    43
+   16. Bolton          38     9  13  16    44  -  62    40
+   17. Sunderland      38    10  10  18    29  -  51    40
+   -------------------------------------------------------
+   18. Ipswich         38     9   9  20    41  -  64    36
+   19. Derby           38     8   6  24    33  -  63    30
+   20. Leicester       38     5  13  20    30  -  64    28

@@ -5,6 +5,25 @@ require 'ostruct'
 #Download this text file, then write a program to output the day number (column one) 
 #with the smallest temperature spread (the maximum temperature is the second column, the minimum the third column).
 
+class Team
+  include Comparable
+  attr_reader :spread, :name
+
+  def initialize(name:, goals_for:, goals_against:)
+    @name = name
+    @spread = (goals_for - goals_against).abs
+  end
+
+  def <=>(other)
+    @spread <=> other.spread
+  end
+
+  def self.map_from(row)
+    return nil if row[1].nil?
+    Team.new(name: row[1], goals_for: row[6].to_i, goals_against: row[8].to_i)
+  end
+end
+
 class Day
   include Comparable
   attr_reader :day, :spread
@@ -36,7 +55,9 @@ class Spread
       file.each_line.with_index do |line, index|
         next if index == 0
         next if line.chomp.empty?
-        yield mapper.map_from(line.split)
+        row =  mapper.map_from(line.split)
+        next if row.nil?
+        yield row
       end
     end
   end
@@ -53,10 +74,22 @@ class Spread
   attr_reader :file_path, :mapper
 end
 
-describe "spread" do
+describe "weather.dat" do
   subject { Spread.new('weather.dat', Day) }
 
   it 'returns the day with the smallest temperature spread' do
     expect(subject.min.day).to eql('14')
   end
 end
+
+# Part Two: Soccer League Table
+# The file football.dat contains the results from the English Premier League for 2001/2. 
+# The columns labeled ‘F’ and ‘A’ contain the total number of goals scored for and against each team in that season (so Arsenal scored 79 goals against opponents, and had 36 goals scored against them). Write a program to print the name of the team with the smallest difference in ‘for’ and ‘against’ goals.
+#
+describe "football.dat" do
+  subject { Spread.new('football.dat', Team) }
+
+  it 'returns the day with the smallest temperature spread' do
+    expect(subject.min.name).to eql('Aston_Villa')
+  end
+end