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

diff --git a/app/models/user.rb b/app/models/user.rb
index a8bc396153a0960f2cde1e8a4cda600777ad972d..889c40451e45707b2babfadc7c04f8ad1638eb4d 100644 (file)
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,46 +1,245 @@
-require 'digest/md5'
-

 class User < ActiveRecord::Base
 class User < ActiveRecord::Base

-  has_many :traces
+  require 'xml/libxml'

 
 

-  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
+  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 :friend_users, :through => :friends, :source => :befriendee
+  has_many :tokens, :class_name => "UserToken"
+  has_many :preferences, :class_name => "UserPreference"
+  has_many :changesets, :order => 'created_at DESC'
+  has_many :note_comments, :foreign_key => :author_id
+  has_many :notes, :through => :note_comments

 
 

-  def set_defaults
-    self.creation_time = Time.now
-    self.timeout = Time.now
-    self.token = User.make_token()
+  has_many :client_applications
+  has_many :oauth_tokens, :class_name => "OauthToken", :order => "authorized_at desc", :include => [:client_application]
+
+  has_many :blocks, :class_name => "UserBlock"
+  has_many :blocks_created, :class_name => "UserBlock", :foreign_key => :creator_id
+  has_many :blocks_revoked, :class_name => "UserBlock", :foreign_key => :revoker_id
+
+  has_many :roles, :class_name => "UserRole"
+
+  scope :visible, where(:status => ["pending", "active", "confirmed"])
+  scope :active, where(:status => ["active", "confirmed"])
+  scope :public, where(:data_public => true)
+
+  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, :case_sensitive => false, :if => Proc.new { |u| u.display_name_changed? }
+  validates_uniqueness_of :email, :case_sensitive => false, :if => Proc.new { |u| u.email_changed? }
+  validates_uniqueness_of :openid_url, :allow_nil => true
+  validates_length_of :pass_crypt, :within => 8..255
+  validates_length_of :display_name, :within => 3..255, :allow_nil => true
+  validates_email_format_of :email, :if => Proc.new { |u| u.email_changed? }
+  validates_email_format_of :new_email, :allow_blank => true, :if => Proc.new { |u| u.new_email_changed? }
+  validates_format_of :display_name, :with => /^[^\/;.,?%#]*$/, :if => Proc.new { |u| u.display_name_changed? }
+  validates_format_of :display_name, :with => /^\S/, :message => "has leading whitespace", :if => Proc.new { |u| u.display_name_changed? }
+  validates_format_of :display_name, :with => /\S$/, :message => "has trailing whitespace", :if => Proc.new { |u| u.display_name_changed? }
+  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
+
+  attr_accessible :display_name, :email, :email_confirmation, :openid_url,
+                  :pass_crypt, :pass_crypt_confirmation, :consider_pd
+
+  after_initialize :set_defaults
+  before_save :encrypt_password
+
+  has_attached_file :image, 
+    :default_url => "/assets/:class/:attachment/:style.png",
+    :styles => { :large => "100x100>", :small => "50x50>" }
+
+  def self.authenticate(options)
+    if options[:username] and options[:password]
+      user = where("email = ? OR display_name = ?", options[:username], options[:username]).first
+
+      if user.nil?
+        users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username], options[:username])
+
+        if users.count == 1
+          user = users.first
+        end
+      end
+
+      user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
+    elsif options[:token]
+      token = UserToken.find_by_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_column(: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
   end

-  
-  def pass_crypt=(str) 
-    write_attribute("pass_crypt", Digest::MD5.hexdigest(str)) 
+
+  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
 
   end
 

-  def pass_crypt_confirmation=(str) 
-    write_attribute("pass_crypt_confirm", Digest::MD5.hexdigest(str)) 
+  def description
+    RichText.new(read_attribute(:description_format), read_attribute(:description))

   end
   end

-  
-  def self.authenticate(email, passwd) \r
-    find(:first, :conditions => [ "email = ? AND pass_crypt = ?", email, Digest::MD5.hexdigest(passwd)])\r
-  end 

 
 

-  def self.authenticate_token(token) 
-    find(:first, :conditions => [ "token = ? ", token])
-  end 
-  
-  def self.make_token(length=30)
-    chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
-    confirmstring = ''
+  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.exists?(:code => l) }
+  end
+
+  def preferred_language_from(array)
+    (languages & array.collect { |i| i.to_s }).first
+  end

 
 

-    length.times do
-      confirmstring += chars[(rand * chars.length).to_i].chr
+  def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
+    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.where("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
     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
+    blocks.active.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.openid_url = nil
+    self.status = "deleted"
+    self.save
+  end
+
+  ##
+  # return a spam score for a user
+  def spam_score
+    changeset_score = self.changesets.limit(10).length * 50
+    trace_score = self.traces.limit(10).length * 50
+    diary_entry_score = self.diary_entries.inject(0) { |s,e| s += e.body.spam_score }
+    diary_comment_score = self.diary_comments.inject(0) { |s,c| s += c.body.spam_score }

 
 

-    return confirmstring
+    score = self.description.spam_score / 4.0
+    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
 

+  ##
+  # return an oauth access token for a specified application
+  def access_token(application_key)
+    return ClientApplication.find_by_key(application_key).access_token_for_user(self)
+  end
+
+private
+
+  def set_defaults
+    self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
+    self.description_format = "markdown" unless self.attribute_present?(:description_format)
+  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)
+      self.pass_crypt_confirmation = nil
+    end
+  end

 end
 end