X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/9fbd888e04e545bf61789973b1ed5b457e2b1be9..c4746efdb5413fd9b6f260cbe4d0a1b030e60585:/app/models/user.rb

diff --git a/app/models/user.rb b/app/models/user.rb
index 09e1a7d35..ed0813bee 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,69 +1,99 @@
 class User < ActiveRecord::Base
   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 :traces, -> { where(:visible => true) }
+  has_many :diary_entries, -> { order(:created_at => :desc) }
+  has_many :diary_comments, -> { order(:created_at => :desc) }
+  has_many :messages, -> { where(:to_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :foreign_key => :to_user_id
+  has_many :new_messages, -> { where(:to_user_visible => true, :message_read => false).order(:sent_on => :desc) }, :class_name => "Message", :foreign_key => :to_user_id
+  has_many :sent_messages, -> { where(:from_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :class_name => "Message", :foreign_key => :from_user_id
+  has_many :friends, -> { joins(:befriendee).where(:users => { :status => ["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
+  has_many :changesets, -> { order(:created_at => :desc) }
+  has_many :changeset_comments, :foreign_key =>  :author_id
+  has_and_belongs_to_many :changeset_subscriptions, :class_name => 'Changeset', :join_table => 'changesets_subscribers', :foreign_key => 'subscriber_id'
+  has_many :note_comments, :foreign_key => :author_id
+  has_many :notes, :through => :note_comments
 
   has_many :client_applications
-  has_many :oauth_tokens, :class_name => "OauthToken", :order => "authorized_at desc", :include => [:client_application]
+  has_many :oauth_tokens, -> { order(:authorized_at => :desc).preload(:client_application) }, :class_name => "OauthToken"
+
+  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 :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"
 
+  scope :visible, -> { where(:status => ["pending", "active", "confirmed"]) }
+  scope :active, -> { where(:status => ["active", "confirmed"]) }
+  scope :identifiable, -> { where(:data_public => true) }
+
+  has_attached_file :image,
+    :default_url => "/assets/:class/:attachment/:style.png",
+    :styles => { :large => "100x100>", :small => "50x50>" }
+
   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 :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
-  validates_email_format_of :new_email, :allow_blank => true
-  validates_format_of :display_name, :with => /^[^\/;.,?]*$/
+  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 => /\A[^\x00-\x1f\x7f\ufffe\uffff\/;.,?%#]*\z/, :if => Proc.new { |u| u.display_name_changed? }
+  validates_format_of :display_name, :with => /\A\S/, :message => "has leading whitespace", :if => Proc.new { |u| u.display_name_changed? }
+  validates_format_of :display_name, :with => /\S\z/, :message => "has trailing whitespace", :if => Proc.new { |u| u.display_name_changed? }
+  validates_exclusion_of :display_name, :in => %w(new terms save confirm confirm-email go_public reset-password forgot-password suspended)
   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
+  validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/
 
+  after_initialize :set_defaults
   before_save :encrypt_password
+  after_save :spam_check
 
-  file_column :image, :magick => { :geometry => "100x100>" }
+  def self.authenticate(options)
+    if options[:username] and options[:password]
+      user = where("email = ? OR display_name = ?", options[:username], options[:username]).first
 
-  def after_initialize
-    self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
-  end
+      if user.nil?
+        users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username], options[:username])
 
-  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
+        if users.count == 1
+          user = users.first
+        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)
+      if user and PasswordHash.check(user.pass_crypt, user.pass_salt, options[:password])
+        if PasswordHash.upgrade?(user.pass_crypt, user.pass_salt)
+          user.pass_crypt, user.pass_salt = PasswordHash.create(options[:password])
+          user.save
+        end
+      else
+        user = nil
+      end
     elsif options[:token]
-      token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
+      token = UserToken.find_by_token(options[:token])
       user = token.user if token
     end
 
-    if user
-      user = nil unless user.visible? and (user.active? or options[:inactive])
+    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
+    token.update_column(:expiry, 1.week.from_now) if token and user
 
     return user
-  end 
+  end
 
   def to_xml
     doc = OSM::API.new.get_xml_doc
@@ -85,6 +115,10 @@ class User < ActiveRecord::Base
     return el1
   end
 
+  def description
+    RichText.new(read_attribute(:description_format), read_attribute(:description))
+  end
+
   def languages
     attribute_present?(:languages) ? read_attribute(:languages).split(/ *, */) : []
   end
@@ -94,20 +128,19 @@ class User < ActiveRecord::Base
   end
 
   def preferred_language
-    languages.find { |l| Language.find(:first, :conditions => { :code => l }) }
+    languages.find { |l| Language.exists?(: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 
+  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.find(:all, 
-                         :conditions => ["id != ? AND visible = ? AND data_public = ? AND #{sql_for_distance} <= ?", id, true, true, radius], :order => sql_for_distance, :limit => num)
+      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
@@ -119,14 +152,19 @@ class User < ActiveRecord::Base
   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
+    self.friends.where(:friend_user_id => new_friend.id).exists?
+  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
 
   ##
@@ -148,14 +186,15 @@ class User < ActiveRecord::Base
   end
 
   ##
-  # returns the first active block which would require users to view 
+  # 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? }
+    blocks.active.detect { |b| b.needs_view? }
   end
 
+  ##
+  # delete a user - leave the account but purge most personal data
   def delete
-    self.active = false
     self.display_name = "user_#{self.id}"
     self.description = ""
     self.home_lat = nil
@@ -163,8 +202,53 @@ class User < ActiveRecord::Base
     self.image = nil
     self.email_valid = false
     self.new_email = nil
-    self.visible = false
+    self.openid_url = nil
+    self.status = "deleted"
     self.save
   end
 
+  ##
+  # return a spam score for a user
+  def spam_score
+    changeset_score = self.changesets.size * 50
+    trace_score = self.traces.size * 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 }
+
+    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
+
+  ##
+  # perform a spam check on a user
+  def spam_check
+    if status == "active" and spam_score > SPAM_THRESHOLD
+      update_column(:status, "suspended")
+    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_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
+      self.pass_crypt_confirmation = nil
+    end
+  end
 end