fixed TracksApp#781:

* added a "show always" radio to the recurring todo forms
* added a show_always flag to recurring todos
* created a migration to convert existing recurring todos where show_from_delta==0
* recurring todos where show_from_delta is 0 are now shown the same day they're due

app/models/recurring_todo.rb

@@ -311,6 +311,10 @@ def recurring_show_days_before=(days)
     self.show_from_delta=days
   end
 
+  def recurring_show_always=(value)
+    self.show_always=value
+  end
+
   def recurrence_pattern
     case recurring_period
     when 'daily'
@@ -380,9 +384,12 @@ def get_due_date(previous)
   def get_show_from_date(previous)
     case self.target 
     when 'due_date'
-      # so set show from date relative to due date unless show_from_delta is
-      # zero / nil
-      return (self.show_from_delta == 0 || self.show_from_delta.nil?) ? nil : get_due_date(previous) - self.show_from_delta.days
+      # so set show from date relative to due date unless show_always is true or show_from_delta is nil  
+      if self.show_always? or self.show_from_delta.nil?
+        nil
+      else
+        get_due_date(previous) - self.show_from_delta.days
+      end
     when 'show_from_date'
       # Leave due date empty
       return get_next_date(previous)

app/views/recurring_todos/_edit_form.html.erb

@@ -134,10 +134,12 @@
     </div>
     <div id="recurring_target">
       <label>Set recurrence on</label><br/>
-      <%= radio_button_tag('recurring_todo[recurring_target]', 'due_date', @recurring_todo.target == 'due_date')%> the date that the todo is due.
-      Show the todo <%=
-      text_field_tag( 'recurring_todo[recurring_show_days_before]', @recurring_todo.show_from_delta, {"size" => 3, "tabindex" => 12}) %>
-      days before the todo is due (0=show always)<br/>
+      <%= radio_button_tag('recurring_todo[recurring_target]', 'due_date', @recurring_todo.target == 'due_date')%> the date that the todo is due. Show the todo:
+        <%= radio_button_tag('recurring_todo[recurring_show_always]', '1', @recurring_todo.show_always?)%> always
+        <%= radio_button_tag('recurring_todo[recurring_show_always]', '0', !@recurring_todo.show_always?)%>
+          <%= text_field_tag( 'recurring_todo[recurring_show_days_before]', @recurring_todo.show_from_delta, {"size" => 3, "tabindex" => 12}) %>
+          days before the todo is due
+          <br/>
       <%= radio_button_tag('recurring_todo[recurring_target]', 'show_from_date', @recurring_todo.target == 'show_from_date')%> the date todo comes from tickler (no due date set)<br/>
       <br/>
     </div>

app/views/recurring_todos/_recurring_todo_form.erb

@@ -132,10 +132,12 @@
     </div>
     <div id="recurring_target">
       <label>Set recurrence on</label><br/>
-      <%= radio_button_tag('recurring_todo[recurring_target]', 'due_date', true)%> the date that the todo is due.
-      Show the todo <%=
-      text_field_tag( 'recurring_todo[recurring_show_days_before]', "0", {"size" => 3, "tabindex" => 12}) %>
-      days before the todo is due (0=show always)<br/>
+      <%= radio_button_tag('recurring_todo[recurring_target]', 'due_date', true)%> the date that the todo is due. Show the todo:
+        <%= radio_button_tag('recurring_todo[recurring_show_always]', '1', true)%> always
+        <%= radio_button_tag('recurring_todo[recurring_show_always]', '0', false)%>
+          <%= text_field_tag( 'recurring_todo[recurring_show_days_before]', "0", {"size" => 3, "tabindex" => 12}) %>
+          days before the todo is due
+          <br/>
       <%= radio_button_tag('recurring_todo[recurring_target]', 'show_from_date', false)%> the date todo comes from tickler (no due date set)<br/>
       <br/>
     </div>

db/migrate/20090531111711_add_show_always_to_recurring_todo.rb

@@ -0,0 +1,16 @@
+class AddShowAlwaysToRecurringTodo < ActiveRecord::Migration
+  def self.up
+    add_column :recurring_todos, :show_always, :boolean
+    recurring_todos = RecurringTodo.find(:all)
+    recurring_todos.each do |recurring_todo|
+      if recurring_todo.show_from_delta == 0 or recurring_todo.show_from_delta.nil?
+        recurring_todo.show_always = true
+        recurring_todo.save!
+      end
+    end
+  end
+
+  def self.down
+    remove_column :recurring_todos, :show_always
+  end
+end

test/functional/recurring_todos_controller_test.rb

@@ -180,4 +180,56 @@ def test_last_sunday_of_march
     assert_equal Time.zone.local(2013,3,31), new_todo.due
   end
 
+  def test_recurring_todo_with_due_date_and_show_always
+    login_as(:admin_user)
+
+    orig_rt_count = RecurringTodo.count
+    orig_todo_count = Todo.count
+
+    put :create,       
+      "context_name"=>"library", 
+      "project_name"=>"Build a working time machine", 
+      "recurring_todo" => 
+      {
+      "daily_every_x_days"=>"1", 
+      "daily_selector"=>"daily_every_x_day", 
+      "description"=>"new recurring pattern", 
+      "end_date" => "",
+      "ends_on" => "no_end_date",
+      "monthly_day_of_week" => "1",
+      "monthly_every_x_day" => "22",
+      "monthly_every_x_month2" => "1",
+      "monthly_every_x_month" => "1",
+      "monthly_every_xth_day"=>"1",
+      "monthly_selector"=>"monthly_every_x_day",
+      "notes"=>"with some notes",
+      "number_of_occurences" => "",
+      "recurring_period"=>"yearly",
+      "recurring_show_always"=>"1",
+      "recurring_show_days_before"=>"0",
+      "recurring_target"=>"due_date",
+      "start_from"=>"1/10/2012",  # adjust after 2012
+      "weekly_every_x_week"=>"1",
+      "weekly_return_monday"=>"w",
+      "yearly_day_of_week"=>"0",
+      "yearly_every_x_day"=>"22",
+      "yearly_every_xth_day"=>"5",
+      "yearly_month_of_year2"=>"3",
+      "yearly_month_of_year"=>"10",
+      "yearly_selector"=>"yearly_every_xth_day"
+    }, 
+      "tag_list"=>"one, two, three, four"
+
+    # check new recurring todo added
+    assert_equal orig_rt_count+1, RecurringTodo.count  
+    # check new todo added
+    assert_equal orig_todo_count+1, Todo.count
+
+    # find the newly created recurring todo
+    recurring_todo = RecurringTodo.find_by_description("new recurring pattern")
+    assert !recurring_todo.nil?
+
+    assert_equal "due_date", recurring_todo.target
+    assert_equal true, recurring_todo.show_always?
+  end
 end

test/unit/recurring_todo_test.rb

@@ -67,12 +67,22 @@ def test_show_from_date
     assert_equal @today+1.day, @every_day.get_show_from_date(@today)
 
     @every_day.target='due_date'
-    # when target on due_date, show_from is relative to due date unless delta=0
+    # when target on due_date, show_from is relative to due date unless show_always is true
+    @every_day.show_always = true
     assert_equal nil, @every_day.get_show_from_date(@today-1.days)
 
+    @every_day.show_always = false
     @every_day.show_from_delta=10
     assert_equal @today, @every_day.get_show_from_date(@today+9.days) #today+1+9-10
 
+    # when show_from is 0, show_from is the same day it's due
+    @every_day.show_from_delta=0
+    assert_equal @every_day.get_due_date(@today+9.days), @every_day.get_show_from_date(@today+9.days)
+
+    # when show_from is nil, show always (happend in tests)
+    @every_day.show_from_delta=nil
+    assert_equal nil, @every_day.get_show_from_date(@today+9.days)
+
     # TODO: show_from has no use case for daily pattern. Need to test on
     # weekly/monthly/yearly
   end