Replace the spam observer with simple after_save callbacks

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

diff --git a/app/models/user.rb b/app/models/user.rb
index e126adb98401ea656041a9a3a58f9599d9bbffeb..6677d3b98372585e2a8ffacc1b5b6aa722fe17ca 100644 (file)
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -4,9 +4,9 @@ class User < ActiveRecord::Base
   has_many :traces, :conditions => { :visible => true }
   has_many :diary_entries, :order => 'created_at DESC'
   has_many :diary_comments, :order => 'created_at DESC'
-  has_many :messages, :foreign_key => :to_user_id, :conditions => { :to_user_visible => true }, :order => 'sent_on DESC'
+  has_many :messages, :foreign_key => :to_user_id, :conditions => { :to_user_visible => true }, :order => 'sent_on DESC', :include => [:sender, :recipient]
   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 :sent_messages, :class_name => "Message", :foreign_key => :from_user_id, :conditions => { :from_user_visible => true }, :order => 'sent_on DESC', :include => [:sender, :recipient]
   has_many :friends, :include => :befriendee, :conditions => "users.status IN ('active', 'confirmed')"
   has_many :friend_users, :through => :friends, :source => :befriendee
   has_many :tokens, :class_name => "UserToken"
@@ -47,12 +47,14 @@ class User < ActiveRecord::Base
   validates_inclusion_of :preferred_editor, :in => Editors::ALL_EDITORS, :allow_nil => true
 
   attr_accessible :display_name, :email, :email_confirmation, :openid_url,
-                  :pass_crypt, :pass_crypt_confirmation, :consider_pd
+                  :pass_crypt, :pass_crypt_confirmation, :consider_pd,
+                  :image_use_gravatar
 
   after_initialize :set_defaults
   before_save :encrypt_password
+  after_save :spam_check
 
-  has_attached_file :image, 
+  has_attached_file :image,
     :default_url => "/assets/:class/:attachment/:style.png",
     :styles => { :large => "100x100>", :small => "50x50>" }
 
@@ -84,7 +86,7 @@ class User < ActiveRecord::Base
     token.update_column(:expiry, 1.week.from_now) if token and user
 
     return user
-  end 
+  end
 
   def to_xml
     doc = OSM::API.new.get_xml_doc
@@ -127,7 +129,7 @@ class User < ActiveRecord::Base
   end
 
   def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
-    if self.home_lon and self.home_lat 
+    if self.home_lon and self.home_lat
       gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
       bounds = gc.bounds(radius)
       sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
@@ -143,14 +145,7 @@ class User < ActiveRecord::Base
   end
 
   def is_friends_with?(new_friend)
-    res = false
-    @new_friend = new_friend
-    self.friends.each do |friend|
-      if friend.friend_user_id == @new_friend.id
-        return true
-      end
-    end
-    return false
+    self.friends.where(:friend_user_id => new_friend.id).exists?
   end
 
   ##
@@ -184,7 +179,7 @@ class User < ActiveRecord::Base
   end
 
   ##
-  # returns the first active block which would require users to view 
+  # returns the first active block which would require users to view
   # a message, or nil if there are none.
   def blocked_on_view
     blocks.active.detect { |b| b.needs_view? }
@@ -200,6 +195,7 @@ class User < ActiveRecord::Base
     self.image = nil
     self.email_valid = false
     self.new_email = nil
+    self.openid_url = nil
     self.status = "deleted"
     self.save
   end
@@ -207,8 +203,8 @@ class User < ActiveRecord::Base
   ##
   # return a spam score for a user
   def spam_score
-    changeset_score = self.changesets.limit(10).length * 50
-    trace_score = self.traces.limit(10).length * 50
+    changeset_score = self.changesets.size * 50
+    trace_score = self.traces.size * 50
     diary_entry_score = self.diary_entries.inject(0) { |s,e| s += e.body.spam_score }
     diary_comment_score = self.diary_comments.inject(0) { |s,c| s += c.body.spam_score }
 
@@ -221,6 +217,14 @@ class User < ActiveRecord::Base
     return score.to_i
   end
 
+  ##
+  # perform a spam check on a user
+  def spam_check
+    if status == "active" and spam_score > SPAM_THRESHOLD
+      update_column(:status, "suspended")
+    end
+  end
+
   ##
   # return an oauth access token for a specified application
   def access_token(application_key)