openstreetmap-website/app/models/user.rb
2010-11-29 12:20:21 +00:00

206 lines
7 KiB
Ruby

class User < ActiveRecord::Base
require 'xml/libxml'
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 :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 :friends, :include => :befriendee, :conditions => "users.status IN ('active', 'confirmed')"
has_many :tokens, :class_name => "UserToken"
has_many :preferences, :class_name => "UserPreference"
has_many :changesets
has_many :client_applications
has_many :oauth_tokens, :class_name => "OauthToken", :order => "authorized_at desc", :include => [:client_application]
has_many :active_blocks, :class_name => "UserBlock", :conditions => ['user_blocks.ends_at > \'#{Time.now.getutc.xmlschema(5)}\' or user_blocks.needs_view']
has_many :roles, :class_name => "UserRole"
validates_presence_of :email, :display_name
validates_confirmation_of :email#, :message => ' addresses must match'
validates_confirmation_of :pass_crypt#, :message => ' must match the confirmation password'
validates_uniqueness_of :display_name, :allow_nil => true
validates_uniqueness_of :email
validates_length_of :pass_crypt, :within => 8..255
validates_length_of :display_name, :within => 3..255, :allow_nil => true
validates_email_format_of :email
validates_email_format_of :new_email, :allow_blank => true
validates_format_of :display_name, :with => /^[^\/;.,?]*$/
validates_format_of :display_name, :with => /^\S/, :message => "has leading whitespace"
validates_format_of :display_name, :with => /\S$/, :message => "has trailing whitespace"
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
validates_inclusion_of :preferred_editor, :in => Editors::ALL_EDITORS, :allow_nil => true
before_save :encrypt_password
file_column :image, :magick => { :geometry => "100x100>" }
def after_initialize
self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
end
def encrypt_password
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(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
if user and
( user.status == "deleted" or
( user.status == "pending" and not options[:pending] ) or
( user.status == "suspended" and not options[:suspended] ) )
user = nil
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
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
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 languages
attribute_present?(:languages) ? read_attribute(:languages).split(/ *, */) : []
end
def languages=(languages)
write_attribute(:languages, languages.join(","))
end
def preferred_language
languages.find { |l| Language.find(:first, :conditions => { :code => l }) }
end
def preferred_language_from(array)
(languages & array.collect { |i| i.to_s }).first
end
def nearby(radius = 50, num = 10)
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")
nearby = User.find(:all,
:conditions => ["id != ? AND status IN (\'active\', \'confirmed\') AND data_public = ? AND #{sql_for_distance} <= ?", id, true, radius],
:order => sql_for_distance, :limit => num)
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.friend_user_id == @new_friend.id
return true
end
end
return false
end
##
# returns true if a user is visible
def visible?
["pending","active","confirmed"].include? self.status
end
##
# returns true if a user is active
def active?
["active","confirmed"].include? self.status
end
##
# returns true if the user has the moderator role, false otherwise
def moderator?
has_role? 'moderator'
end
##
# returns true if the user has the administrator role, false otherwise
def administrator?
has_role? 'administrator'
end
##
# returns true if the user has the requested role
def has_role?(role)
roles.any? { |r| r.role == role }
end
##
# returns the first active block which would require users to view
# a message, or nil if there are none.
def blocked_on_view
active_blocks.detect { |b| b.needs_view? }
end
##
# delete a user - leave the account but purge most personal data
def delete
self.display_name = "user_#{self.id}"
self.description = ""
self.home_lat = nil
self.home_lon = nil
self.image = nil
self.email_valid = false
self.new_email = nil
self.status = "deleted"
self.save
end
##
# return a spam score for a user
def spam_score
changeset_score = self.changesets.find(:all, :limit => 10).length * 50
trace_score = self.traces.find(:all, :limit => 10).length * 50
diary_entry_score = self.diary_entries.inject(0) { |s,e| s += OSM.spam_score(e.body) }
diary_comment_score = self.diary_comments.inject(0) { |s,e| s += OSM.spam_score(e.body) }
score = OSM.spam_score(self.description) * 2
score += diary_entry_score / self.diary_entries.length if self.diary_entries.length > 0
score += diary_comment_score / self.diary_comments.length if self.diary_comments.length > 0
score -= changeset_score
score -= trace_score
return score.to_i
end
end