Select projects with issue_tracking module for gantt display and remove the nil start/due dates trick.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4477 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/project.rb

@@ -449,24 +449,20 @@ class Project < ActiveRecord::Base
 
   # The earliest start date of a project, based on it's issues and versions
   def start_date
-    if module_enabled?(:issue_tracking)
-      [
-       issues.minimum('start_date'),
-       shared_versions.collect(&:effective_date),
-       shared_versions.collect {|v| v.fixed_issues.minimum('start_date')}
-      ].flatten.compact.min
-    end
+    [
+     issues.minimum('start_date'),
+     shared_versions.collect(&:effective_date),
+     shared_versions.collect {|v| v.fixed_issues.minimum('start_date')}
+    ].flatten.compact.min
   end
 
   # The latest due date of an issue or version
   def due_date
-    if module_enabled?(:issue_tracking)
-      [
-       issues.maximum('due_date'),
-       shared_versions.collect(&:effective_date),
-       shared_versions.collect {|v| v.fixed_issues.maximum('due_date')}
-      ].flatten.compact.max
-    end
+    [
+     issues.maximum('due_date'),
+     shared_versions.collect(&:effective_date),
+     shared_versions.collect {|v| v.fixed_issues.maximum('due_date')}
+    ].flatten.compact.max
   end
 
   def overdue?

lib/redmine/helpers/gantt.rb

@@ -97,7 +97,7 @@ module Redmine
         if @project
           return number_of_rows_on_project(@project)
         else
-          Project.roots.visible.inject(0) do |total, project|
+          Project.roots.visible.has_module('issue_tracking').inject(0) do |total, project|
             total += number_of_rows_on_project(project)
           end
         end
@@ -125,7 +125,7 @@ module Redmine
         end
 
         # Subprojects
-        project.children.visible.each do |subproject|
+        project.children.visible.has_module('issue_tracking').each do |subproject|
           count += number_of_rows_on_project(subproject)
         end
 
@@ -154,7 +154,7 @@ module Redmine
         if @project
           render_project(@project, options)
         else
-          Project.roots.visible.each do |project|
+          Project.roots.visible.has_module('issue_tracking').each do |project|
             render_project(project, options)
           end
         end
@@ -190,7 +190,7 @@ module Redmine
         end
 
         # Fourth, subprojects
-        project.children.visible.each do |project|
+        project.children.visible.has_module('issue_tracking').each do |project|
           render_project(project, options)
         end
 

test/unit/project_test.rb

@@ -882,14 +882,6 @@ class ProjectTest < ActiveSupport::TestCase
     should "be nil if there are no issues on the project" do
       assert_nil @project.start_date
     end
-
-    should "be nil if issue tracking is disabled" do
-      Issue.generate_for_project!(@project, :start_date => Date.today)
-      @project.enabled_modules.find_all_by_name('issue_tracking').each {|m| m.destroy}
-      @project.reload
-      
-      assert_nil @project.start_date
-    end
     
     should "be tested when issues have no start date"
 
@@ -913,14 +905,6 @@ class ProjectTest < ActiveSupport::TestCase
     should "be nil if there are no issues on the project" do
       assert_nil @project.due_date
     end
-
-    should "be nil if issue tracking is disabled" do
-      Issue.generate_for_project!(@project, :due_date => Date.today)
-      @project.enabled_modules.find_all_by_name('issue_tracking').each {|m| m.destroy}
-      @project.reload
-      
-      assert_nil @project.due_date
-    end
     
     should "be tested when issues have no due date"