./lib/wwdc/helpers.rb in wwdc-0.0.2 vs ./lib/wwdc/helpers.rb in wwdc-1.0.0

@@ -1,25 +1,51 @@
 require 'excon'
 require 'json'
+require 'rubygems/text'
 
 module WWDC
+  YEARS = (2010..2014)
+
   module Helpers
+    include Gem::Text
+
     def get(options = {}, &block)
       response = client.get(options)
       say_error "Error #{response.status}" and abort unless response.status == 200
 
       yield response if block_given?
 
       JSON.parse(response.body)
     end
 
-    def describe(session)
-      puts %{\033[1m#{session['number']}: "#{session['title']}"\033[0m}
-      puts session['description']
-      puts
+    def describe(*sessions)
+      enable_paging if sessions.length > 5
+
+      sessions.each do |session|
+        puts %{\033[1mWWDC #{session['year']}\033[0m}
+        puts %{\033[1mSession #{session['number']}: "#{session['title']}"\033[0m}
+        puts
+        puts format_text(session['description'], 80)
+        puts
+      end
     end
 
     private
+
+    def determine_session!(args = [], options = {})
+      @number = (Integer(args.first).nonzero? rescue nil)
+      say_error "Missing session number" and abort unless @number
+    end
+
+    def determine_year!(args = [], options = {})
+      @year = (Integer(options.year).nonzero? rescue nil) || YEARS.last
+      say_error "Invalid year: #{@year}" and abort unless YEARS.include?(@year)
+    end
+
+    def determine_query!(args = [], options = {})
+      @query = args.join(" ")
+      say_error "Missing query" and abort if @query.empty?
+    end
 
     def client
       @client ||= Excon.new('http://asciiwwdc.com', headers: {'Accept' => "application/json"})
     end
   end