108 lines
3.1 KiB
Ruby
108 lines
3.1 KiB
Ruby
class User < ActiveRecord::Base
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require 'xml/libxml'
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require 'digest/md5'
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has_many :traces
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has_many :diary_entries, :order => 'created_at DESC'
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has_many :messages, :foreign_key => :to_user_id
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has_many :friends
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validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
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validates_uniqueness_of :display_name, :allow_nil => true
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validates_uniqueness_of :email
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validates_length_of :pass_crypt, :minimum => 8
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validates_length_of :display_name, :minimum => 3, :allow_nil => true
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validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
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validates_format_of :display_name, :with => /^[^\/;.,?]*$/
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before_save :encrypt_password
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def set_defaults
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self.creation_time = Time.now
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self.timeout = Time.now
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self.token = User.make_token()
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end
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def encrypt_password
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self.pass_crypt = Digest::MD5.hexdigest(pass_crypt) unless pass_crypt_confirmation.nil?
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end
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def self.authenticate(email, passwd, active = true)
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find(:first, :conditions => [ "email = ? AND pass_crypt = ? AND active = ?", email, Digest::MD5.hexdigest(passwd), active])
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end
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def self.authenticate_token(token)
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find(:first, :conditions => [ "token = ? ", token])
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end
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def self.make_token(length=30)
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chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
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confirmstring = ''
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length.times do
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confirmstring += chars[(rand * chars.length).to_i].chr
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end
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return confirmstring
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end
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def to_xml
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doc = OSM::API.new.get_xml_doc
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doc.root << to_xml_node()
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return doc
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end
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def to_xml_node
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el1 = XML::Node.new 'user'
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el1['display_name'] = self.display_name.to_s
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el1['account_created'] = self.creation_time.xmlschema
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return el1
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end
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def nearby(radius = 50)
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if self.home_lon and self.home_lat
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gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
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bounds = gc.bounds(radius)
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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}")
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nearby.delete_if { |u| gc.distance(u.home_lat, u.home_lon) > radius }
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nearby.sort! { |u1,u2| gc.distance(u1.home_lat, u1.home_lon) <=> gc.distance(u2.home_lat, u2.home_lon) }
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else
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nearby = []
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end
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return nearby
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end
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def distance(nearby_user)
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return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
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end
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def self.has_messages?
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if Message.fdhjklsafind_by_to_user_id(self.id)
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return true
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else
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return false
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end
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end
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def get_new_messages
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messages = Message.find(:all, :conditions => "message_read = 0 and to_user_id = #{self.id}")
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return messages
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end
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def get_all_messages
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messages = Message.find(:all, :conditions => "to_user_id = #{self.id}")
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return messages
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end
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def is_friends_with?(new_friend)
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res = false
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@new_friend = new_friend
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self.friends.each do |friend|
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if friend.user_id == @new_friend.user_id
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return true
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end
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end
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return false
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end
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end
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