profile.rb
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# A Profile is the representation and web-presence of an individual or an
# organization. Every Profile is attached to its VirtualCommunity of origin,
# which by default is the one returned by VirtualCommunity:default.
class Profile < ActiveRecord::Base
after_create do |profile|
homepage = Article.new
homepage.title = profile.name
homepage.parent = Comatose::Page.root
homepage.slug = profile.identifier
homepage.save!
end
after_destroy do |profile|
Article.find_by_path(profile.identifier).destroy
end
# Valid identifiers must match this format.
IDENTIFIER_FORMAT = /^[a-z][a-z0-9_]*[a-z0-9]$/
# These names cannot be used as identifiers for Profiles
RESERVED_IDENTIFIERS = %w[
admin
system
myprofile
profile
cms
community
test
]
acts_as_taggable
has_many :domains, :as => :owner
belongs_to :virtual_community
has_many :affiliations, :dependent => :destroy
has_many :people, :through => :affiliations
# Sets the identifier for this profile. Raises an exception when called on a
# existing profile (since profiles cannot be renamed)
def identifier=(value)
unless self.new_record?
raise ArgumentError.new(_('An existing profile cannot be renamed.'))
end
self[:identifier] = value
end
validates_presence_of :identifier, :name
validates_format_of :identifier, :with => IDENTIFIER_FORMAT
validates_exclusion_of :identifier, :in => RESERVED_IDENTIFIERS
# A profile_owner cannot have more than one profile, but many profiles can exist
# without being associated to a particular user.
validates_uniqueness_of :user_id, :allow_nil =>true
# creates a new Profile. By default, it is attached to the default
# VirtualCommunity (see VirtualCommunity#default), unless you tell it
# otherwise
def initialize(*args)
super(*args)
self.virtual_community ||= VirtualCommunity.default
end
# Searches tags by tag or name
def self.search(term)
find_tagged_with(term) + find_all_by_name(term)
end
def homepage(reload = false)
@homepage = nil if reload
@homepage ||= Article.find_by_path(self.identifier)
end
# Returns information about the profile's owner that was made public by
# him/her.
#
# The returned value must be an object that responds to a method "summary",
# which must return an array in the following format:
#
# [
# [ 'First Field', first_field_value ],
# [ 'Second Field', second_field_value ],
# ]
#
# This information shall be used by user interface to present the
# information.
#
# In this class, this method returns nil, what is interpreted as "no
# information at all". Subclasses must override this method to provide their
# specific information.
def info
nil
end
# gets recent documents in this profile.
#
# +limit+ is the maximum number of documents to be returned. It defaults to
# 10.
def recent_documents(limit = 10)
homepage.children.find(:all, :limit => limit, :order => 'created_on desc')
end
end