Adds RSS and TEXT feeds for projects and contexts. fixes #282

git-svn-id: http://www.rousette.org.uk/svn/tracks-repos/trunk@238 a4c988fc-2ded-0310-b66e-134b36920a42

tracks/app/controllers/feed_controller.rb

@@ -49,6 +49,18 @@ class FeedController < ApplicationController
     @headers["Content-Type"] = "text/plain; charset=utf-8"
   end
 
+  def list_projects_only
+    @projects = @user.projects
+    @description = "Lists all the projects for #{@user.login}."
+    render :action => 'projects_' + @params['feedtype']
+  end
+  
+  def list_contexts_only
+    @contexts = @user.contexts
+    @description = "Lists all the contexts for #{@user.login}."
+    render :action => 'contexts_' + @params['feedtype']
+  end
+  
 protected
 
   # Check whether the token in the URL matches the word in the User's table

tracks/app/helpers/feed_helper.rb

@@ -27,4 +27,30 @@ module FeedHelper
     return result_string
   end
   
+  def build_projects_text_page(projects)
+    result_string = ""
+    projects.each do |p|
+      result_string << "\n" + p.name.upcase + "\n"
+    
+		 	result_string << p.description + "\n" if p.description_present?
+		 	result_string << "#{p.count_undone_todos}. Project is #{p.done ? 'Done' : 'Active'}.\n"
+		 	result_string << "#{p.linkurl}\n" if p.linkurl_present?
+		 	result_string << "\n"
+	 	end
+		
+    return result_string
+  end
+  
+  def build_contexts_text_page(contexts)
+    result_string = ""
+    contexts.each do |c|
+      result_string << "\n" + c.name.upcase + "\n"
+    
+		 	result_string << "#{c.count_undone_todos}. Context is #{c.hidden? ? 'Hidden' : 'Active'}.\n"
+		 	result_string << "\n"
+	 	end
+		
+    return result_string
+  end
+  
 end

tracks/app/models/project.rb

@@ -17,6 +17,14 @@ class Project < ActiveRecord::Base
     find(:all, :conditions => [ "done = ?" , true ], :order => "position ASC")
   end
 
+  def description_present?
+    attribute_present?("description")
+  end
+  
+  def linkurl_present?
+    attribute_present?("linkurl")
+  end
+  
   def find_not_done_todos
     todos = Todo.find :all, :conditions => ["project_id = #{id} AND done = ?", false],
                       :order => "due IS NULL, due ASC, created_at ASC"
@@ -27,7 +35,7 @@ class Project < ActiveRecord::Base
                       :order => "due IS NULL, due ASC, created_at ASC",
                       :limit => @user.preferences["no_completed"].to_i
   end
-
+  
   # Returns a count of next actions in the given project
   # The result is count and a string descriptor, correctly pluralised if there are no
   # actions or multiple actions

tracks/app/views/feed/contexts_rss.rxml

@@ -0,0 +1,19 @@
+@headers["Content-Type"] = "text/xml; charset=utf-8"
+xml.rss("version" => "2.0", "xmlns:dc" => "http://purl.org/dc/elements/1.1/") do
+  xml.channel do 
+    xml.title(@title)
+    xml.link("http://#{@request.host}:#{@request.port}/contexts")
+    xml.description(@description)
+    @contexts.each { |c|
+      xml.item do 
+        xml.title(c.name)
+			 	xml.link(url_for(:only_path => false, :controller => 'context', :action => 'show', :name => urlize(c.name)))
+			 	context_description = ''
+			 	context_description += "<p>#{c.count_undone_todos}. "
+			 	context_description += "Context is #{c.hidden? ? 'Hidden' : 'Active'}. "
+			 	context_description += "</p>"
+		 		xml.description(context_description)
+	 		end
+    }
+  end
+end

tracks/app/views/feed/contexts_text.rhtml

@@ -0,0 +1,2 @@
+<% @headers["Content-Type"] = "text/plain; charset=utf-8" -%>
+<%= build_contexts_text_page( @contexts ) -%>

tracks/app/views/feed/projects_rss.rxml

@@ -0,0 +1,21 @@
+@headers["Content-Type"] = "text/xml; charset=utf-8"
+xml.rss("version" => "2.0", "xmlns:dc" => "http://purl.org/dc/elements/1.1/") do
+  xml.channel do 
+    xml.title(@title)
+    xml.link("http://#{@request.host}:#{@request.port}/projects")
+    xml.description(@description)
+    @projects.each { |p|
+      xml.item do 
+        xml.title(p.name)
+			 	xml.link(url_for(:only_path => false, :controller => 'project', :action => 'show', :name => urlize(p.name)))
+			 	project_description = ''
+			 	project_description += sanitize(markdown( p.description )) if p.description_present?
+			 	project_description += "<p>#{p.count_undone_todos}. "
+			 	project_description += "Project is #{p.done ? 'Done' : 'Active'}. "
+			 	project_description += "<a href=\"#{p.linkurl}\">#{p.linkurl}</a>" if p.linkurl_present?
+			 	project_description += "</p>"
+		 		xml.description(project_description)
+	 		end
+    }
+  end
+end

tracks/app/views/feed/projects_text.rhtml

@@ -0,0 +1,2 @@
+<% @headers["Content-Type"] = "text/plain; charset=utf-8" -%>
+<%= build_projects_text_page( @projects ) -%>

tracks/app/views/todo/feeds.rhtml

@@ -41,6 +41,16 @@
 			<%= ical_feed_link({ :due => 6 }) %>
 			Actions due in 7 days or earlier
 		</li>
+		<li>
+			<%= rss_feed_link({ :action => 'list_contexts_only', :feedtype => 'rss' }) %>
+			<%= text_feed_link({ :action => 'list_contexts_only', :feedtype => 'text' }) %>
+			All Contexts
+		</li>
+		<li>
+			<%= rss_feed_link({ :action => 'list_projects_only', :feedtype => 'rss' }) %>
+			<%= text_feed_link({ :action => 'list_projects_only', :feedtype => 'text' }) %>
+			All Projects
+		</li>
 		<li><h4>Feeds for uncompleted actions in a specific context:</h4>
 			<ul>
 				<% for context in @contexts %>

tracks/config/routes.rb

@@ -31,17 +31,23 @@ ActionController::Routing::Routes.draw do |map|
   map.connect 'context/add_item', :controller => 'context', :action => 'add_item'
   map.connect 'context/order', :controller => 'context', :action => 'order'
   map.connect 'context/:id', :controller=> 'context', :action => 'show', :requirements => {:id => /\d+/}
+  map.connect 'context/:context/feed/:action/:name/:token', :controller => 'feed'
   map.connect 'context/:name', :controller => 'context', :action => 'show'
+  
   map.connect 'contexts', :controller => 'context', :action => 'list'
+  map.connect 'contexts/feed/:feedtype/:name/:token', :controller => 'feed', :action => 'list_contexts_only'
 
   # Projects Routes
   map.connect 'project/new_project', :controller => 'project', :action => 'new_project'
   map.connect 'project/add_item/:id', :controller => 'project', :action => 'add_item'
   map.connect 'project/toggle_check/:id', :controller => 'project', :action => 'toggle_check'
   map.connect 'project/order', :controller => 'project', :action => 'order'
+  map.connect 'project/:project/feed/:action/:name/:token', :controller => 'feed'
   map.connect 'project/:id', :controller => 'project', :action => 'show', :requirements => {:id => /\d+/}
   map.connect 'project/:name', :controller => 'project', :action => 'show'
+
   map.connect 'projects', :controller => 'project', :action => 'list'
+  map.connect 'projects/feed/:feedtype/:name/:token', :controller => 'feed', :action => 'list_projects_only'
 
   # Notes Routes
   map.connect 'note/add', :controller => 'note', :action => 'add'