Actually showing the closest neighbours instead of a fixed number of people within...

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

diff --git a/app/models/user.rb b/app/models/user.rb
index 63f6bd38989876d9d7f5c790a87b7aa9e14c05bf..2ad45e8acd7d87ae6e63d01583548e3bfe9b9900 100644 (file)
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,12 +1,15 @@
 class User < ActiveRecord::Base
   require 'xml/libxml'
-  require 'digest/md5'
 
   has_many :traces
   has_many :diary_entries, :order => 'created_at DESC'
-  has_many :messages, :foreign_key => :to_user_id
+  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_presence_of :email, :display_name
   validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
   validates_uniqueness_of :display_name, :allow_nil => true
   validates_uniqueness_of :email
@@ -14,37 +17,40 @@ class User < ActiveRecord::Base
   validates_length_of :display_name, :minimum => 3, :allow_nil => true
   validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
   validates_format_of :display_name, :with => /^[^\/;.,?]*$/
+  validates_numericality_of :home_lat, :allow_nil => true
+  validates_numericality_of :home_lon, :allow_nil => true
+  validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
 
   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, active = true)
-    find(:first, :conditions => [ "email = ? AND pass_crypt = ? AND active = ?", email, Digest::MD5.hexdigest(passwd), active])
-  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
@@ -56,10 +62,17 @@ class User < ActiveRecord::Base
     el1 = XML::Node.new 'user'
     el1['display_name'] = self.display_name.to_s
     el1['account_created'] = self.creation_time.xmlschema
+    if self.home_lat and self.home_lon
+      home = XML::Node.new 'home'
+      home['lat'] = self.home_lat.to_s
+      home['lon'] = self.home_lon.to_s
+      home['zoom'] = self.home_zoom.to_s
+      el1 << home
+    end
     return el1
   end
 
-  def nearby(radius = 50)
+  def nearby(radius = 50, num = 5)
     if self.home_lon and self.home_lat 
       gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
       bounds = gc.bounds(radius)
@@ -69,36 +82,18 @@ class User < ActiveRecord::Base
     else
       nearby = []
     end
-    return nearby
+    return nearby.first(num)
   end
 
   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 self.has_messages?
-    if Message.fdhjklsafind_by_to_user_id(self.id) 
-      return true
-    else
-      return false
-    end
-  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
-  end
-
   def is_friends_with?(new_friend)
     res = false
     @new_friend = new_friend
     self.friends.each do |friend|
-      if friend.user_id == @new_friend.user_id
+      if friend.friend_user_id == @new_friend.id
         return true
       end
     end