CLI support and JSON format

README.md

@@ -9,10 +9,11 @@ Comb your gems for licensing info and collate it nicely for the lawyers.
 # TODO
 
 - [x] Command line or rake task
-- [ ] Run and parse `bundle list`
-- [ ] Hit rubygems and/or GitHub for info on each gem
-- [ ] Pull all that into a hash: name, version, owner, license type, link to license text
+- [x] Run and parse `bundle list`
+- [x] Hit rubygems and/or GitHub for info on each gem
+- [x] Pull all that into a hash: name, version, owner, license type
+- [x] Link to license text
 - [ ] Output options
-  - [ ] JSON
+  - [x] JSON
   - [ ] HTML
-  - [ ] CSV
+  - [x] CSV

lib/diligent/cli.rb

@@ -9,8 +9,19 @@ def legalese
     end
 
     desc 'list', 'List of gem information. JSON by default, or pass format option.'
+    option :format
+    option :outfile
     def list
-      puts Diligent::List.load
+      list = Diligent::List.new
+
+      case (options[:format] || 'json')
+      when 'csv'
+        list.as_csv(options[:outfile] || './diligent.csv')
+      when 'json'
+        puts list.as_json(options[:outfile] || nil)
+      else
+        raise 'Only CSV and JSON are currently supported.'
+      end
     end
   end
 end

lib/diligent/list.rb

@@ -1,4 +1,5 @@
 require 'csv'
+require 'json'
 
 module Diligent
   class List
@@ -14,13 +15,6 @@ def load
     def initialize
       # TODO Optionally point at a different path?
       @specs = Bundler.load.specs
-
-
-
-      binding.pry
-
-
-
     end
 
     def as_hash
@@ -38,6 +32,13 @@ def as_hash
       end
     end
 
+    def as_json(filename = nil)
+      json = as_hash.to_json
+      # File.open(filename, 'w') { |f| f.write(json) } if filename
+      # json
+      write_to_file filename, json
+    end
+
     def as_csv(filename = nil)
       as_array = as_hash.inject([]) do |arr, gem_info|
         row = []
@@ -53,9 +54,16 @@ def as_csv(filename = nil)
         as_array.each { |row| csv << row }
       end
 
-      File.open(filename, 'w') { |f| f.write(csv) } if filename
+      # File.open(filename, 'w') { |f| f.write(csv) } if filename
+      write_to_file filename, csv
+      # csv
+    end
+
+  protected
 
-      csv
+    def write_to_file(filename, content)
+      File.open(filename, 'w') { |f| f.write(content) } if filename
+      content
     end
   end
 end

spec/diligent/list_spec.rb

@@ -28,6 +28,6 @@
 
 # FIXME: Brittle
 def check_csv_content(csv_rows)
-  expect(csv_rows.first).to eq(%w{ Gem Version Author Summary Description Homepage })
+  expect(csv_rows.first).to eq(%w{ Gem Version Author Summary Description License Homepage })
   expect(csv_rows[1].first).to eq ('awesome_print')
 end