Support "following" functionality:

* Change "email me about stuff" wording to "follow" throughout
* Introduce a new flag that the user can set, which controls if they get email alerts
* Add a new link to a "wall" for logged in users where they can see a feed of all the things they're following

1 files changed, 58 insertions, 0 deletions

diff --git a/app/controllers/user_controller.rb b/app/controllers/user_controller.rb
index 76c56c442..18fae7024 100644
--- a/app/controllers/user_controller.rb
+++ b/app/controllers/user_controller.rb
@@ -6,6 +6,8 @@
 #
 # $Id: user_controller.rb,v 1.71 2009-09-17 07:51:47 francis Exp $
 
+require 'set'
+
 class UserController < ApplicationController
 
     layout :select_layout
@@ -89,6 +91,50 @@ class UserController < ApplicationController
 
     end
 
+    # Show the user's wall
+    def wall
+        long_cache
+        @display_user = User.find(:first, :conditions => [ "url_name = ? and email_confirmed = ?", params[:url_name], true ])
+        if not @display_user
+            raise ActiveRecord::RecordNotFound.new("user not found, url_name=" + params[:url_name])
+        end
+        @is_you = !@user.nil? && @user.id == @display_user.id
+        feed_results = Set.new
+        # Use search query for this so can collapse and paginate easily
+        # XXX really should just use SQL query here rather than Xapian.
+        begin
+            requests_query = 'requested_by:' + @display_user.url_name
+            comments_query = 'commented_by:' + @display_user.url_name
+            # XXX combine these as OR query
+            @xapian_requests = perform_search([InfoRequestEvent], requests_query, 'newest', 'request_collapse')
+            @xapian_comments = perform_search([InfoRequestEvent], comments_query, 'newest', nil)
+        rescue
+            @xapian_requests = nil
+            @xapian_comments = nil
+        end
+
+        feed_results += @xapian_requests.results.map {|x| x[:model]} if !@xapian_requests.nil?
+        feed_results += @xapian_comments.results.map {|x| x[:model]} if !@xapian_comments.nil?
+
+        # All tracks for the user
+        if @is_you
+            @track_things = TrackThing.find(:all, :conditions => ["tracking_user_id = ? and track_medium = ?", @display_user.id, 'email_daily'], :order => 'created_at desc')
+        end
+        for track_thing in @track_things
+            # XXX factor out of track_mailer.rb
+            xapian_object = InfoRequest.full_search([InfoRequestEvent], track_thing.track_query, 'described_at', true, nil, 100, 1) 
+            feed_results += xapian_object.results.map {|x| x[:model]}
+        end
+
+        @feed_results = Array(feed_results).sort {|x,y| y.created_at <=> x.created_at}
+        
+        respond_to do |format|
+            format.html { @has_json = true }
+            format.json { render :json => @display_user.json_for_api }
+        end
+
+    end
+
     # Login form
     def signin
         work_out_post_redirect
@@ -533,6 +579,18 @@ class UserController < ApplicationController
         end
     end
 
+    # Change about me text on your profile page
+    def set_receive_email_alerts
+        if authenticated_user.nil?
+            flash[:error] = _("You need to be logged in to edit your profile.")
+            redirect_to frontpage_url
+            return
+        end
+        @user.receive_email_alerts = params[:receive_email_alerts]
+        @user.save!
+        redirect_to request.headers['HTTP_REFERER']
+    end
+
     private
 
     def is_modal_dialog