From a0d0783062943590befd8405f6502909deecfdf1 Mon Sep 17 00:00:00 2001
From: Eric Lindvall <eric@5stops.com>
Date: Thu, 17 Jul 2008 22:08:48 -0700
Subject: [PATCH] Implementation of CSV report.

---
 .gitignore               |  1 +
 lib/munger.rb            |  1 +
 lib/munger/render/csv.rb | 31 +++++++++++++++++++++++++++++++
 spec/spec_render_csv.rb  | 21 +++++++++++++++++++++
 4 files changed, 54 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 lib/munger/render/csv.rb
 create mode 100644 spec/spec_render_csv.rb

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5fff1d9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+pkg
diff --git a/lib/munger.rb b/lib/munger.rb
index f37fabe..5c2d3f3 100644
--- a/lib/munger.rb
+++ b/lib/munger.rb
@@ -6,6 +6,7 @@
 require 'munger/item'
 
 require 'munger/render'
+require 'munger/render/csv'
 require 'munger/render/html'
 require 'munger/render/sortable_html'
 require 'munger/render/text'
diff --git a/lib/munger/render/csv.rb b/lib/munger/render/csv.rb
new file mode 100644
index 0000000..48957ee
--- /dev/null
+++ b/lib/munger/render/csv.rb
@@ -0,0 +1,31 @@
+module Munger
+  module Render
+    class CSV
+    
+      attr_reader :report
+      
+      def initialize(report)
+        @report = report
+      end
+      
+      def render
+        output = []
+
+        # header
+        output << @report.columns.collect { |col| @report.column_title(col).to_s }.join(',')
+        
+        # body
+        @report.process_data.each do |row|
+          output << @report.columns.collect { |col| row[:data][col].to_s }.join(',')
+        end
+        
+        output.join("\n")
+      end
+      
+      def valid?
+        @report.is_a? Munger::Report
+      end
+    
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/spec_render_csv.rb b/spec/spec_render_csv.rb
new file mode 100644
index 0000000..bae3da5
--- /dev/null
+++ b/spec/spec_render_csv.rb
@@ -0,0 +1,21 @@
+require File.dirname(__FILE__) + "/spec_helper"
+
+describe Munger::Render::CSV do 
+  include MungerSpecHelper
+  
+  before(:each) do 
+    @data = Munger::Data.new(:data => test_data)
+    @report = Munger::Report.new(:data => @data)
+  end
+
+  it "should accept a Munger::Report object" do
+    Munger::Render::Text.new(@report.process).should be_valid
+  end
+  
+  it "should render a basic text table" do
+    @render = Munger::Render::CSV.new(@report.process)
+    count = @report.rows
+    text = @render.render
+    text.split("\n").should have_at_least(count).items
+  end
+end
\ No newline at end of file