[pod-list] tweaks and clean up

lib/cocoapods/command/presenter/cocoa_pod.rb

@@ -15,7 +15,7 @@ module Pod
         end
 
         def version
-          @set.version.last
+          @set.versions.last
         end
 
         def versions
@@ -38,6 +38,10 @@ module Pod
           spec.source.reject {|k,_| k == :commit || k == :tag }.values.first
         end
 
+        def creation_date
+          Pod::Specification::Statistics.instance.creation_date(@set)
+        end
+
         def github_watchers
           Pod::Specification::Statistics.instance.github_watchers(@set)
         end

lib/cocoapods/specification/statistics.rb

@@ -4,7 +4,6 @@ require 'yaml'
 module Pod
   class Specification
     class Statistics
-      include Config::Mixin
 
       def self.instance
         @instance ||= new
@@ -14,66 +13,84 @@ module Pod
         @instance = instance
       end
 
+      attr_accessor :cache_file, :cache_expiration
+
       def initialize
-        @cache = cache_file.exist? ? YAML::load(cache_file.read) : {}
+        @cache_file = Config.instance.repos_dir + 'statistics.yml'
+        @cache_expiration = 60 * 60 * 24 * 3
+      end
+
+      def creation_date(set)
+        compute_creation_date(set)
       end
 
       def creation_dates(sets)
-        creation_dates = {}
-        sets.each do |set|
-          @cache[set.name] ||= {}
-          date = @cache[set.name][:creation_date] ||= compute_creation_date(set)
-          creation_dates[set.name] = date
-        end
-        save_cache_file
-        creation_dates
+        dates = {}
+        sets.each { |set| dates[set.name] = compute_creation_date(set, false) }
+        save_cache
+        dates
       end
 
       def github_watchers(set)
-        compute_github_stats_if_needed(set)
-        @cache[set.name][:github_watchers] if @cache[set.name]
+        github_stats_if_needed(set)
+        get_value(set, :gh_watchers)
       end
 
       def github_forks(set)
-        compute_github_stats_if_needed(set)
-        @cache[set.name][:github_forks] if @cache[set.name]
+        github_stats_if_needed(set)
+        get_value(set, :gh_forks)
       end
 
       private
 
-      def cache_file
-        Config.instance.repos_dir + 'statistics.yml'
+      def cache
+        @cache ||= cache_file.exist? ? YAML::load(cache_file.read) : {}
       end
 
-      def save_cache_file
-        File.open(cache_file, 'w') {|f| f.write(YAML::dump(@cache)) }
+      def get_value(set, key)
+        if cache[set.name] && cache[set.name][key]
+          cache[set.name][key]
+        end
       end
 
-      def compute_creation_date(set)
-        Dir.chdir(set.pod_dir.dirname) do
-          Time.at(`git log --first-parent --format=%ct #{set.name}`.split("\n").last.to_i)
-        end
+      def set_value(set, key, value)
+          cache[set.name] ||= {}
+          cache[set.name][key] = value
       end
 
-      def compute_github_stats_if_needed(set)
-        if @cache[set.name] && @cache[set.name][:github_check_date] && @cache[set.name][:github_check_date] > Time.now - 60 * 60 * 24
-          return
-        end
-        spec = set.specification.part_of_other_pod? ? set.specification.part_of_specification : set.specification
-        source_url = spec.source.reject {|k,_| k == :commit || k == :tag }.values.first
-        github_url, username, reponame = *(source_url.match(/[:\/]([\w\-]+)\/([\w\-]+)\.git/).to_a)
-        if github_url
-          github_response = Net::HTTP.get('github.com', "/api/v2/json/repos/show/#{username}/#{reponame}")
-          watchers = github_response.match(/\"watchers\"\W*:\W*([0-9]+)/).to_a[1]
-          forks    = github_response.match(/\"forks\"\W*:\W*([0-9]+)/).to_a[1]
-          if (watchers && forks)
-            @cache[set.name] ||= {}
-            @cache[set.name][:github_watchers] = watchers
-            @cache[set.name][:github_forks] = forks
-            @cache[set.name][:github_check_date] = Time.now
-            save_cache_file
+      def save_cache
+        File.open(cache_file, 'w') { |f| f.write(YAML::dump(cache)) }
+      end
+
+      def compute_creation_date(set, save = true)
+        date = get_value(set, :creation_date)
+        unless date
+          Dir.chdir(set.pod_dir.dirname) do
+            date = Time.at(`git log --first-parent --format=%ct #{set.name}`.split("\n").last.to_i)
           end
+          set_value(set, :creation_date, date)
         end
+        save_cache if save
+        date
+      end
+
+      def github_stats_if_needed(set)
+        return if get_value(set, :gh_date) && get_value(set, :gh_date) > Time.now - cache_expiration
+        spec  = set.specification.part_of_other_pod? ? set.specification.part_of_specification : set.specification
+        url   = spec.source.reject {|k,_| k == :commit || k == :tag }.values.first
+        gh_url, username, reponame = *(url.match(/[:\/]([\w\-]+)\/([\w\-]+)\.git/).to_a)
+
+        return unless gh_url
+        response = Net::HTTP.get('github.com', "/api/v2/json/repos/show/#{username}/#{reponame}")
+        watchers = response.match(/\"watchers\"\W*:\W*([0-9]+)/).to_a[1]
+        forks    = response.match(/\"forks\"\W*:\W*([0-9]+)/).to_a[1]
+
+        return unless watchers && forks
+        cache[set.name] ||= {}
+        set_value(set, :gh_watchers,  watchers)
+        set_value(set, :gh_forks,     forks)
+        set_value(set, :gh_date,      Time.now)
+        save_cache
       end
     end
   end