+ el1 = XML::Node.new "user"
+ el1["display_name"] = display_name.to_s
+ el1["account_created"] = creation_time.xmlschema
+ if home_lat && home_lon
+ home = XML::Node.new "home"
+ home["lat"] = home_lat.to_s
+ home["lon"] = home_lon.to_s
+ home["zoom"] = home_zoom.to_s
+ el1 << home
+ end
+ el1
+ end
+
+ def description
+ RichText.new(self[:description_format], self[:description])
+ end
+
+ def languages
+ attribute_present?(:languages) ? self[:languages].split(/ *[, ] */) : []
+ end
+
+ def languages=(languages)
+ self[:languages] = languages.join(",")
+ end
+
+ def preferred_language
+ languages.find { |l| Language.exists?(:code => l) }
+ end
+
+ def preferred_language_from(array)
+ (languages & array.collect(&:to_s)).first
+ end
+
+ def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
+ if home_lon && home_lat
+ gc = OSM::GreatCircle.new(home_lat, home_lon)
+ 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
+ nearby
+ end
+
+ def distance(nearby_user)
+ OSM::GreatCircle.new(home_lat, home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
+ end
+
+ def is_friends_with?(new_friend)
+ friends.where(:friend_user_id => new_friend.id).exists?
+ end
+
+ ##
+ # returns true if a user is visible
+ def visible?
+ %w(pending active confirmed).include? status
+ end
+
+ ##
+ # returns true if a user is active
+ def active?
+ %w(active confirmed).include? 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(&:needs_view?)
+ end
+
+ ##
+ # delete a user - leave the account but purge most personal data
+ def delete
+ self.display_name = "user_#{id}"
+ self.description = ""
+ self.home_lat = nil
+ self.home_lon = nil
+ self.image = nil
+ self.email_valid = false
+ self.new_email = nil
+ self.auth_provider = nil
+ self.auth_uid = nil
+ self.status = "deleted"
+ save
+ end
+
+ ##
+ # return a spam score for a user
+ def spam_score
+ changeset_score = changesets.size * 50
+ trace_score = traces.size * 50
+ diary_entry_score = diary_entries.inject(0) { |a, e| a + e.body.spam_score }
+ diary_comment_score = diary_comments.inject(0) { |a, e| a + e.body.spam_score }
+
+ score = description.spam_score / 4.0
+ score += diary_entries.where("created_at > ?", 1.day.ago).count * 10
+ score += diary_entry_score / diary_entries.length if diary_entries.length > 0
+ score += diary_comment_score / diary_comments.length if diary_comments.length > 0
+ score -= changeset_score
+ score -= trace_score
+
+ score.to_i
+ end
+
+ ##
+ # perform a spam check on a user
+ def spam_check
+ if status == "active" && spam_score > SPAM_THRESHOLD
+ update_column(:status, "suspended")
+ end
+ end
+
+ ##
+ # return an oauth access token for a specified application
+ def access_token(application_key)
+ 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)
+ end
+
+ def encrypt_password
+ if pass_crypt_confirmation
+ self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
+ self.pass_crypt_confirmation = nil
+ end
projects / rails.git / blobdiff