repo charts refactored

lib/git_stats/stats_view/charts/chart.rb

@@ -12,6 +12,38 @@ module GitStats
           yield self if block_given?
         end
 
+        def column_hash_chart(params)
+          common_params(params)
+          type "column"
+          x_categories params[:data].keys
+          series(name: params[:title], data: params[:data].values)
+        end
+
+        def day_chart(params)
+          common_params(params)
+          type "datetime"
+          series(
+              type: "area",
+              name: "commits",
+              pointInterval: 1.day * 1000,
+              pointStart: params[:start_day].to_i * 1000,
+              data: params[:data]
+          )
+        end
+
+        def default_legend
+          legend(
+              layout: 'vertical',
+              backgroundColor: '#FFFFFF',
+              align: 'left',
+              verticalAlign: 'top',
+              x: 100,
+              y: 70,
+              floating: true,
+              shadow: true
+          )
+        end
+
         def type(type)
           @chart.chart(type: type)
         end
@@ -28,18 +60,12 @@ module GitStats
           @chart.title(text: title)
         end
 
-        def default_legend
-          legend(
-              layout: 'vertical',
-              backgroundColor: '#FFFFFF',
-              align: 'left',
-              verticalAlign: 'top',
-              x: 100,
-              y: 70,
-              floating: true,
-              shadow: true
-          )
+        private
+        def common_params(params)
+          title params[:title]
+          y_text params[:y_text]
         end
+
       end
     end
   end

lib/git_stats/stats_view/charts/repo_charts.rb

@@ -8,50 +8,42 @@ module GitStats
 
         def files_by_extension
           Chart.new do |f|
-            f.type "column"
-            f.title "files by extension"
-            f.x_categories @repo.files_by_extension_count.keys
-            f.y_text 'Commits'
-            f.series(name: "commits", data: @repo.files_by_extension_count.values)
+            f.column_hash_chart(
+                data: @repo.files_by_extension_count,
+                title: "files_by_extension",
+                y_text: "files"
+            )
           end
         end
 
         def lines_by_extension
           Chart.new do |f|
-            f.type "column"
-            f.title "lines by extension"
-            f.x_categories @repo.lines_by_extension.keys
-            f.y_text 'Commits'
-            f.series(name: "commits", data: @repo.lines_by_extension.values)
+            f.column_hash_chart(
+                data: @repo.lines_by_extension,
+                title: "lines_by_extension",
+                y_text: "lines"
+            )
           end
         end
 
         def files_by_date
           Chart.new do |f|
-            f.title "Files"
-            f.type "datetime"
-            f.y_text 'Commits'
-            f.series(
-                type: "area",
-                name: "commits",
-                pointInterval: 1.day * 1000,
-                pointStart: @repo.commits.first.date.to_i * 1000,
-                data: @repo.files_count_each_day
+            f.day_chart(
+                data: @repo.files_count_each_day,
+                start_day: @repo.commits.first.date,
+                title: "files_by_date",
+                y_text: "files"
             )
           end
         end
 
         def lines_by_date
           Chart.new do |f|
-            f.title "Files"
-            f.type "datetime"
-            f.y_text 'Commits'
-            f.series(
-                type: "area",
-                name: "commits",
-                pointInterval: 1.day * 1000,
-                pointStart: @repo.commits.first.date.to_i * 1000,
-                data: @repo.lines_count_each_day
+            f.day_chart(
+                data: @repo.lines_count_each_day,
+                start_day: @repo.commits.first.date,
+                title: "lines_by_date",
+                y_text: "lines"
             )
           end
         end