Refactored user_role and controller. Now much more DRY.

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

diff --git a/app/models/user.rb b/app/models/user.rb
index 1a12790420a899473de6c4c56fc890a0874e0fd5..95f0e39861906632d208883080f93d8c5f851cc7 100644 (file)
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,45 +1,169 @@
-require 'digest/md5'
-

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

-  has_many :traces
+  require 'xml/libxml'
+
+  has_many :traces, :conditions => { :visible => true }
+  has_many :diary_entries, :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.visible = ?", true]
+  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]

 
 

-  validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
-  validates_uniqueness_of :display_name
+  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_uniqueness_of :email

-  validates_length_of :pass_crypt, :minimum => 8
-  validates_length_of :display_name, :minimum => 3
+  validates_length_of :pass_crypt, :within => 8..255
+  validates_length_of :display_name, :within => 3..255, :allow_nil => true
+  validates_length_of :email, :within => 6..255

   validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
   validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/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
+
+  file_column :image, :magick => { :geometry => "100x100>" }

 
 

-  def set_defaults
-    self.creation_time = Time.now
-    self.timeout = Time.now
-    self.token = make_token()
+  def after_initialize
+    self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)

   end
   end

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

 
 

-  def pass_crypt_confirmation=(str) 
-    write_attribute("pass_crypt_confirm", Digest::MD5.hexdigest(str)) 
-  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
+      user = nil unless user.visible? and (user.active? or options[:inactive])
+    end

 
 

-  def self.authenticate(email, passwd) 
-    find_first([ "email = ? AND pass_crypt =?", 
-               email, 
-               Digest::MD5.hexdigest(passwd) ]) 
+    token.update_attribute(:expiry, 1.week.from_now) if token and user
+
+    return user

   end 
   end 

-  
-  private
-  def make_token
-    chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
-    confirmstring = ''
-
-    30.times do
-      confirmstring += chars[(rand * chars.length).to_i].chr
+
+  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
     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 visible = ? AND data_public = ? AND #{sql_for_distance} <= ?", id, true, 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 the user has the moderator role, false otherwise
+  def moderator?
+    has_role? 'moderator'
+  end
+
+  ##
+  # returns true if the user has the moderator role, false otherwise
+  def administrator?
+    has_role? 'administrator'
+  end
+
+  ##
+  # returns true if the user has the requested role
+  def has_role?(role)
+    roles.inject(false) { |x, r| x or 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.inject(nil) { |s,x| s || (x.needs_view? ? x : nil) }
+  end

 
 

-    return confirmstring
+  def delete
+    self.active = false
+    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.visible = false
+    self.save

   end
 
 end
   end
 
 end