X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/b4c0bfd8fa324a4c9d8b24e8753d134524ea61c7..b61e4f77e86fd2535a88b0d3e5aec97809c8ec5e:/app/models/user.rb

diff --git a/app/models/user.rb b/app/models/user.rb
index cfcbfd351..783a9bc3b 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,3 +1,91 @@
 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 :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => "message_read = 0"
+  has_many :friends
+
+  validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
+  validates_uniqueness_of :display_name, :allow_nil => true
+  validates_uniqueness_of :email
+  validates_length_of :pass_crypt, :minimum => 8
+  validates_length_of :display_name, :minimum => 3, :allow_nil => true
+  validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
+  validates_format_of :display_name, :with => /^[^\/;.,?]*$/
+
+  before_save :encrypt_password
+
+  def set_defaults
+    self.creation_time = Time.now
+    self.timeout = Time.now
+    self.token = User.make_token()
+  end
+
+  def encrypt_password
+    self.pass_crypt = Digest::MD5.hexdigest(pass_crypt) unless pass_crypt_confirmation.nil?
+  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 = ''
+
+    length.times do
+      confirmstring += chars[(rand * chars.length).to_i].chr
+    end
+
+    return confirmstring
+  end
+
+  def to_xml
+    doc = OSM::API.new.get_xml_doc
+    doc.root << to_xml_node()
+    return doc
+  end
+
+  def to_xml_node
+    el1 = XML::Node.new 'user'
+    el1['display_name'] = self.display_name.to_s
+    el1['account_created'] = self.creation_time.xmlschema
+    return el1
+  end
+
+  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
+      nearby = []
+    end
+    return nearby
+  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 is_friends_with?(new_friend)
+    res = false
+    @new_friend = new_friend
+    self.friends.each do |friend|
+      if friend.user_id == @new_friend.user_id
+        return true
+      end
+    end
+    return false
+  end
+
 end