[closes #16] days without commits are not ommited on date charts anymore

lib/git_stats/core_extensions/hash.rb

@@ -6,4 +6,19 @@ class Hash
     default = params[:default]
     inject(Array.new(min_size, default)) { |acc, (k, v)| acc[k] = v; acc }.map { |e| e || default }
   end
+
+  def fill_empty_days!(params = {:aggregated => false})
+    return self if self.empty?
+
+    days_with_data = self.keys.map(&:to_date).sort.uniq
+    prev = 0
+    days_with_data.first.upto(days_with_data.last) do |day|
+      if days_with_data.include? day
+        prev = self[day]
+      else
+        self[day] = params[:aggregated] ? prev : 0
+      end
+    end
+    self
+  end
 end

lib/git_stats/git_data/repo.rb

@@ -50,17 +50,17 @@ module GitStats
 
       def files_count_by_date
         @files_count_each_day ||= Hash[commits.map { |commit|
-          [commit.date, commit.files_count]
-        }]
+          [commit.date.to_date, commit.files_count]
+        }].fill_empty_days!(aggregated: true)
       end
 
       def lines_count_by_date
         sum = 0
-        Hash[commits.map { |commit|
+        @lines_count_each_day ||= Hash[commits.map { |commit|
           sum += commit.short_stat.insertions
           sum -= commit.short_stat.deletions
-          [commit.date, sum]
-        }]
+          [commit.date.to_date, sum]
+        }].fill_empty_days!(aggregated: true)
       end
 
       def last_commit

lib/git_stats/stats_view/charts/chart.rb

@@ -104,7 +104,7 @@ module GitStats
           series(
               name: params[:name],
               type: "spline",
-              data: params[:data].map { |date, value| [date.to_i * 1000, value] }
+              data: Hash[params[:data]].fill_empty_days!.map { |date, value| [date.to_datetime.to_i * 1000, value] }.sort_by { |d| d[0] }
           )
         end
 
@@ -113,6 +113,7 @@ module GitStats
           type "column"
           x_categories params[:data_x]
         end
+
       end
     end
   end