Add extra visibility options for GPS traces, and enhance the API call

[rails.git] / app / models / user.rb

diff --git a/app/models/user.rb b/app/models/user.rb
index 308e0a2ce58cbc3ab428cad708f9f6b4bedf6f28..9d135a3a1ae4aa97e14202f9ea0bba1abd61d0e2 100644 (file)
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,11 +1,11 @@
 class User < ActiveRecord::Base
   require 'xml/libxml'
 
-  has_many :traces
+  has_many :traces, :conditions => { :visible => true }
   has_many :diary_entries, :order => 'created_at DESC'
-  has_many :messages, :foreign_key => :to_user_id, :order => 'sent_on DESC'
-  has_many :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => {:message_read => false}, :order => 'sent_on DESC'
-  has_many :sent_messages, :class_name => "Message", :foreign_key => :from_user_id, :order => 'sent_on DESC'
+  has_many :messages, :foreign_key => :to_user_id, :conditions => { :to_user_visible => true }, :order => 'sent_on DESC'
+  has_many :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => { :to_user_visible => true, :message_read => false }, :order => 'sent_on DESC'
+  has_many :sent_messages, :class_name => "Message", :foreign_key => :from_user_id, :conditions => { :from_user_visible => true }, :order => 'sent_on DESC'
   has_many :friends, :include => :befriendee, :conditions => ["users.visible = ?", true]
   has_many :tokens, :class_name => "UserToken"
   has_many :preferences, :class_name => "UserPreference"
@@ -98,13 +98,13 @@ class User < ActiveRecord::Base
     if self.home_lon and self.home_lat 
       gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
       bounds = gc.bounds(radius)
-      nearby = User.find(:all, :conditions => ["visible = ? and home_lat between #{bounds[:minlat]} and #{bounds[:maxlat]} and home_lon between #{bounds[:minlon]} and #{bounds[:maxlon]} and data_public = ? and id != #{self.id}", true, true])
-      nearby.delete_if { |u| gc.distance(u.home_lat, u.home_lon) > radius }
-      nearby.sort! { |u1,u2| gc.distance(u1.home_lat, u1.home_lon) <=> gc.distance(u2.home_lat, u2.home_lon) }
+      sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
+      nearby = User.find(:all, 
+                         :conditions => ["id != ? AND visible = ? AND data_public = ? AND #{sql_for_distance} <= ?", id, true, true, radius], :order => sql_for_distance, :limit => num)
     else
       nearby = []
     end
-    return nearby.first(num)
+    return nearby
   end
 
   def distance(nearby_user)
@@ -122,10 +122,6 @@ class User < ActiveRecord::Base
     return false
   end
 
-  def trace_public_default
-    return self.preferences.find(:first, :conditions => {:k => "gps.trace.public", :v => "default"})
-  end
-
   def delete
     self.active = false
     self.display_name = "user_#{self.id}"