Refactor: Move gantts to a separate controller.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3695 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/gantts_controller.rb

@@ -0,0 +1,63 @@
+class GanttsController < ApplicationController
+  before_filter :find_optional_project
+
+  rescue_from Query::StatementInvalid, :with => :query_statement_invalid
+
+  helper :issues
+  helper :projects
+  helper :queries
+  include QueriesHelper
+  include Redmine::Export::PDF
+  
+  def show
+    @gantt = Redmine::Helpers::Gantt.new(params)
+    retrieve_query
+    @query.group_by = nil
+    if @query.valid?
+      events = []
+      # Issues that have start and due dates
+      events += @query.issues(:include => [:tracker, :assigned_to, :priority],
+                              :order => "start_date, due_date",
+                              :conditions => ["(((start_date>=? and start_date<=?) or (due_date>=? and due_date<=?) or (start_date<? and due_date>?)) and start_date is not null and due_date is not null)", @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to]
+                              )
+      # Issues that don't have a due date but that are assigned to a version with a date
+      events += @query.issues(:include => [:tracker, :assigned_to, :priority, :fixed_version],
+                              :order => "start_date, effective_date",
+                              :conditions => ["(((start_date>=? and start_date<=?) or (effective_date>=? and effective_date<=?) or (start_date<? and effective_date>?)) and start_date is not null and due_date is null and effective_date is not null)", @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to]
+                              )
+      # Versions
+      events += @query.versions(:conditions => ["effective_date BETWEEN ? AND ?", @gantt.date_from, @gantt.date_to])
+                                   
+      @gantt.events = events
+    end
+    
+    basename = (@project ? "#{@project.identifier}-" : '') + 'gantt'
+    
+    respond_to do |format|
+      format.html { render :action => "show", :layout => !request.xhr? }
+      format.png  { send_data(@gantt.to_image, :disposition => 'inline', :type => 'image/png', :filename => "#{basename}.png") } if @gantt.respond_to?('to_image')
+      format.pdf  { send_data(gantt_to_pdf(@gantt, @project), :type => 'application/pdf', :filename => "#{basename}.pdf") }
+    end
+  end
+
+  private
+
+  # Rescues an invalid query statement. Just in case...
+  # TODO: Refactor, move to ApplicationController with IssuesController
+  def query_statement_invalid(exception)
+    logger.error "Query::StatementInvalid: #{exception.message}" if logger
+    session.delete(:query)
+    sort_clear
+    render_error "An error occurred while executing the query and has been logged. Please report this error to your Redmine administrator."
+  end
+
+  # TODO: Refactor, duplicates IssuesController
+  def find_optional_project
+    @project = Project.find(params[:project_id]) unless params[:project_id].blank?
+    allowed = User.current.allowed_to?({:controller => params[:controller], :action => params[:action]}, @project, :global => true)
+    allowed ? true : deny_access
+  rescue ActiveRecord::RecordNotFound
+    render_404
+  end
+
+end

app/controllers/issues_controller.rb

@@ -22,8 +22,8 @@ class IssuesController < ApplicationController
   before_filter :find_issue, :only => [:show, :edit, :update, :reply]
   before_filter :find_issues, :only => [:bulk_edit, :move, :destroy]
   before_filter :find_project, :only => [:new, :create, :update_form, :preview, :auto_complete]
-  before_filter :authorize, :except => [:index, :changes, :gantt, :calendar, :preview, :context_menu]
-  before_filter :find_optional_project, :only => [:index, :changes, :gantt, :calendar]
+  before_filter :authorize, :except => [:index, :changes, :calendar, :preview, :context_menu]
+  before_filter :find_optional_project, :only => [:index, :changes, :calendar]
   before_filter :check_for_default_issue_status, :only => [:new, :create]
   before_filter :build_new_issue_from_params, :only => [:new, :create]
   accept_key_auth :index, :show, :changes
@@ -318,37 +318,6 @@ class IssuesController < ApplicationController
     end
   end
   
-  def gantt
-    @gantt = Redmine::Helpers::Gantt.new(params)
-    retrieve_query
-    @query.group_by = nil
-    if @query.valid?
-      events = []
-      # Issues that have start and due dates
-      events += @query.issues(:include => [:tracker, :assigned_to, :priority],
-                              :order => "start_date, due_date",
-                              :conditions => ["(((start_date>=? and start_date<=?) or (due_date>=? and due_date<=?) or (start_date<? and due_date>?)) and start_date is not null and due_date is not null)", @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to]
-                              )
-      # Issues that don't have a due date but that are assigned to a version with a date
-      events += @query.issues(:include => [:tracker, :assigned_to, :priority, :fixed_version],
-                              :order => "start_date, effective_date",
-                              :conditions => ["(((start_date>=? and start_date<=?) or (effective_date>=? and effective_date<=?) or (start_date<? and effective_date>?)) and start_date is not null and due_date is null and effective_date is not null)", @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to]
-                              )
-      # Versions
-      events += @query.versions(:conditions => ["effective_date BETWEEN ? AND ?", @gantt.date_from, @gantt.date_to])
-                                   
-      @gantt.events = events
-    end
-    
-    basename = (@project ? "#{@project.identifier}-" : '') + 'gantt'
-    
-    respond_to do |format|
-      format.html { render :template => "issues/gantt.rhtml", :layout => !request.xhr? }
-      format.png  { send_data(@gantt.to_image, :disposition => 'inline', :type => 'image/png', :filename => "#{basename}.png") } if @gantt.respond_to?('to_image')
-      format.pdf  { send_data(gantt_to_pdf(@gantt, @project), :type => 'application/pdf', :filename => "#{basename}.pdf") }
-    end
-  end
-  
   def calendar
     if params[:year] and params[:year].to_i > 1900
       @year = params[:year].to_i

app/views/issues/_sidebar.rhtml

@@ -9,7 +9,7 @@
 	<%= link_to(l(:label_calendar), :controller => 'issues', :action => 'calendar', :project_id => @project) %><br />
 <% end %>
 <% if User.current.allowed_to?(:view_gantt, @project, :global => true) %>
-	<%= link_to(l(:label_gantt), :controller => 'issues', :action => 'gantt', :project_id => @project) %><br />
+	<%= link_to(l(:label_gantt), :controller => 'gantts', :action => 'show', :project_id => @project) %><br />
 <% end %>
 <%= call_hook(:view_issues_sidebar_planning_bottom) %>
 

app/views/projects/show.rhtml

@@ -42,7 +42,7 @@
 				| <%= link_to(l(:label_calendar), :controller => 'issues', :action => 'calendar', :project_id => @project) %>
 			<% end %>
 			<% if User.current.allowed_to?(:view_gantt, @project, :global => true) %>
-				| <%= link_to(l(:label_gantt), :controller => 'issues', :action => 'gantt', :project_id => @project) %>
+				| <%= link_to(l(:label_gantt), :controller => 'gantts', :action => 'show', :project_id => @project) %>
 			<% end %>
 		</p>
   </div>