Extract chart value object

This simplifies the views (slightly).

app/controllers/stats_controller.rb

@@ -50,8 +50,7 @@ class StatsController < ApplicationController
 
   def actions_done_last_years
     @page_title = t('stats.index_title')
-    @chart_width = 900
+    @chart = Stats::Chart.new('actions_done_lastyears_data', :height => 400, :width => 900)
-    @chart_height = 400
   end
 
   def actions_done_lastyears_data
@@ -309,7 +308,7 @@ class StatsController < ApplicationController
       week_from = params['index'].to_i
       week_to = week_from+1
 
-      @chart_name = "actions_visible_running_time_data"
+      @chart = Stats::Chart.new('actions_visible_running_time_data')
       @page_title = t('stats.actions_selected_from_week')
       @further = false
       if params['id'] == 'avrt_end'
@@ -334,7 +333,7 @@ class StatsController < ApplicationController
       week_from = params['index'].to_i
       week_to = week_from+1
 
-      @chart_name = "actions_running_time_data"
+      @chart = Stats::Chart.new('actions_running_time_data')
       @page_title = "Actions selected from week "
       @further = false
       if params['id'] == 'art_end'
@@ -421,12 +420,6 @@ class StatsController < ApplicationController
   def init
     @me = self # for meta programming
 
-    # default chart dimensions
-    @chart_width=460
-    @chart_height=250
-    @pie_width=@chart_width
-    @pie_height=325
-
     # get the current date wih time set to 0:0
     @today = Time.zone.now.utc.beginning_of_day
 
@@ -468,6 +461,27 @@ class StatsController < ApplicationController
     # get count of actions done in the past 12 months.
     @sum_actions_done_last12months = current_user.todos.completed.completed_after(@cut_off_year).count
     @sum_actions_created_last12months = current_user.todos.created_after(@cut_off_year).count
+
+    @completion_charts = %w{
+     actions_done_last30days_data
+     actions_done_last12months_data
+     actions_completion_time_data
+    }.map do |action|
+      Stats::Chart.new(action)
+    end
+
+    @timing_charts = %w{
+      actions_visible_running_time_data
+      actions_running_time_data
+      actions_open_per_week_data
+      actions_day_of_week_all_data
+      actions_day_of_week_30days_data
+      actions_time_of_day_all_data
+      actions_time_of_day_30days_data
+    }.map do |action|
+      Stats::Chart.new(action)
+    end
+
   end
 
   def get_stats_contexts
@@ -496,6 +510,13 @@ class StatsController < ApplicationController
         "GROUP BY c.id, c.name ORDER BY total DESC " +
         "LIMIT 5"
     )
+
+    @context_charts = %w{
+      context_total_actions_data
+      context_running_actions_data
+    }.map do |action|
+      Stats::Chart.new(action, :height => 325)
+    end
   end
 
   def get_stats_projects

app/models/stats/chart.rb

@@ -0,0 +1,18 @@
+module Stats
+
+  class Chart
+
+    attr_reader :action, :height, :width
+    def initialize(action, dimensions = {})
+      @action = action
+      @height = dimensions.fetch(:height) { 250 }
+      @width = dimensions.fetch(:width) { 460 }
+    end
+
+    def dimensions
+      "#{width}x#{height}"
+    end
+
+  end
+
+end

app/views/stats/_actions.html.erb

@@ -7,28 +7,13 @@
 <%= t('stats.actions_avg_created', :count => (@sum_actions_created_last12months*10.0/12.0).round/10.0 )%>
 <%= t('stats.actions_avg_completed', :count => (@sum_actions_done_last12months*10.0/12.0).round/10.0 )%></p>
 
-<%
+<% @completion_charts.each do |chart| %><%=
-  %w{
+    render :partial => 'chart', :locals => {:chart => chart}
-     actions_done_last30days_data
+-%><% end %>
-	   actions_done_last12months_data
-	   actions_completion_time_data
-	 }.each do |action|
-	%><%= render :partial => 'chart', :locals => {:width => @chart_width, :height => @chart_height, :data => url_for(:action => action)} -%><%
-   end
-%>
 
 <br style="clear:both">
 
-<%
+<% @timing_charts.each do |chart| %><%=
-%w{
+    render :partial => 'chart', :locals => {:chart => chart}
-    actions_visible_running_time_data
+-%><% end %>
-    actions_running_time_data
+
-    actions_open_per_week_data
-    actions_day_of_week_all_data
-    actions_day_of_week_30days_data
-    actions_time_of_day_all_data
-    actions_time_of_day_30days_data
-	 }.each do |action|
-	%><%= render :partial => 'chart', :locals => {:width => @chart_width, :height => @chart_height, :data => url_for(:action => action)} -%><%
-   end
-%>

app/views/stats/_chart.html.erb

@@ -1,6 +1,6 @@
 <% @swf_count ||= 0 -%>
 <div class="open-flash-chart"><%= swf_tag asset_path("open-flash-chart.swf"),
-  :flashvars => { 'width' => width, 'height' => height, 'data' => data},
+  :flashvars => { 'width' => chart.width, 'height' => chart.height, 'data' => url_for(:action => chart.action)},
   :parameters => { 'allowScriptAccess' => 'sameDomain', 'wmode' => 'transparent'},
   :div_id => "chart_#{@swf_count+=1}",
-  :size => "#{width}x#{height}" %></div>
+  :size => chart.dimensions %></div>

app/views/stats/_contexts.html.erb

@@ -1,6 +1,6 @@
-<%= render :partial => 'chart', :locals => {:width => @pie_width, :height => @pie_height, :data => url_for(:action => 'context_total_actions_data')} -%>
+<% @context_charts.each do |chart| %><%=
-
+    render :partial => 'chart', :locals => {:chart => chart}
-<%= render :partial => 'chart', :locals => {:width => @pie_width, :height => @pie_height, :data => url_for(:action => 'context_running_actions_data')} -%>
+-%><% end %>
 
 <br style="clear:both">
 
@@ -34,4 +34,4 @@
       <br/><%
     end
 -%>
-</div>
+</div>

app/views/stats/actions_done_last_years.html.erb

@@ -1,2 +1,2 @@
-<%= render :partial => 'chart', :locals => {:width => @chart_width, :height => @chart_height, :data => url_for(:action => :actions_done_lastyears_data)} -%>
+<%= render :partial => 'chart', :locals => {:chart => @chart} -%>
 <%= raw t('stats.click_to_return', :link => link_to(t('stats.click_to_return_link'), stats_path)) %>

app/views/stats/show_selection_from_chart.html.erb

@@ -1,4 +1,4 @@
-<%= render :partial => 'chart', :locals => {:width => @chart_width, :height => @chart_height, :data => url_for(:action => @chart_name)} -%>
+<%= render :partial => 'chart', :locals => {:chart => @chart} -%>
 <br/>
 <p>
 <%= t('stats.click_to_update_actions') %> <%= raw t('stats.click_to_return', :link => link_to(t('stats.click_to_return_link'), stats_path)) %>
@@ -22,4 +22,4 @@
     </div>
         <%= render :partial => "todos/todo", :collection => @selected_actions, :locals => { :parent_container_type => 'stats' } %>
   </div>
-</div>
+</div>