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

diff --git a/app/models/user.rb b/app/models/user.rb
index da4d4c2058b1429485327956f1f87c4e5692d851..908ef3d517b6016287e7793661cc404462acb608 100644 (file)
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,11 +1,13 @@
 class User < ActiveRecord::Base
   require 'xml/libxml'
-  require 'digest/md5'
 
   has_many :traces
-  has_many :diary_entries
-  has_many :messages, :foreign_key => :to_user_id
+  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 = 0", :order => 'sent_on DESC'
   has_many :friends
+  has_many :tokens, :class_name => "UserToken"
+  has_many :preferences, :class_name => "UserPreference"
 
   validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
   validates_uniqueness_of :display_name, :allow_nil => true
@@ -17,34 +19,34 @@ class User < ActiveRecord::Base
 
   before_save :encrypt_password
 
-  def set_defaults
-    self.creation_time = Time.now
-    self.timeout = Time.now
-    self.token = User.make_token()
+  def after_initialize
+    self.creation_time = Time.now if self.creation_time.nil?
   end
 
   def encrypt_password
-    self.pass_crypt = Digest::MD5.hexdigest(pass_crypt) unless pass_crypt_confirmation.nil?
+    if pass_crypt_confirmation
+      self.pass_salt = OSM::make_token(8)
+      self.pass_crypt = OSM::encrypt_password(pass_crypt, pass_salt)
+    end
   end
 
-  def self.authenticate(email, passwd)
-    find(:first, :conditions => [ "email = ? AND pass_crypt = ? AND active = true", email, Digest::MD5.hexdigest(passwd)])
-  end 
-
-  def self.authenticate_token(token) 
-    find(:first, :conditions => [ "token = ? ", token])
-  end 
-
-  def self.make_token(length=30)
-    chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
-    confirmstring = ''
+  def self.authenticate(options)
+    if options[:username] and options[:password]
+      user = find(:first, :conditions => ["email = ? OR display_name = ?", options[:username], options[:username]])
+      user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
+    elsif options[:token]
+      token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
+      user = token.user if token
+    end
 
-    length.times do
-      confirmstring += chars[(rand * chars.length).to_i].chr
+    if user
+      user = nil unless user.active? or options[:inactive]
     end
 
-    return confirmstring
-  end
+    token.update_attribute(:expiry, 1.week.from_now) if token and user
+
+    return user
+  end 
 
   def to_xml
     doc = OSM::API.new.get_xml_doc
@@ -59,31 +61,21 @@ class User < ActiveRecord::Base
     return el1
   end
 
-  def nearby(lat_range=1, lon_range=1)
-      if self.home_lon and self.home_lat 
-          nearby = User.find(:all,  :conditions => "#{self.home_lon} > home_lon - #{lon_range} and #{self.home_lon} < home_lon + #{lon_range} and  #{self.home_lat} > home_lat - #{lat_range} and #{self.home_lat} < home_lat + #{lat_range} and data_public = 1 and id != #{self.id}") 
-      else
-          nearby = []
-      end
-      return nearby
-  end
-
-  def self.has_messages?
-    if Message.fdhjklsafind_by_to_user_id(self.id) 
-      return true
+  def nearby(radius = 50)
+    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 => "home_lat between #{bounds[:minlat]} and #{bounds[:maxlat]} and home_lon between #{bounds[:minlon]} and #{bounds[:maxlon]} and data_public = 1 and id != #{self.id}")
+      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) }
     else
-      return false
+      nearby = []
     end
+    return nearby
   end
 
-  def get_new_messages
-    messages = Message.find(:all, :conditions => "message_read = 0 and to_user_id = #{self.id}")
-    return messages
-  end
-
-  def get_all_messages
-    messages = Message.find(:all, :conditions => "to_user_id = #{self.id}")
-    return messages
+  def distance(nearby_user)
+    return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
   end
 
   def is_friends_with?(new_friend)