forum.rb
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class Forum < Folder
acts_as_having_posts :order => 'updated_at DESC'
include PostsLimit
attr_accessible :has_terms_of_use, :terms_of_use, :topic_creation
settings_items :terms_of_use, :type => :string, :default => ""
settings_items :has_terms_of_use, :type => :boolean, :default => false
settings_items :topic_creation, :type => :string, :default => 'self'
has_and_belongs_to_many :users_with_agreement, :class_name => 'Person', :join_table => 'terms_forum_people'
before_save do |forum|
if forum.has_terms_of_use
last_editor = forum.profile.environment.people.find_by_id(forum.last_changed_by_id)
if last_editor && !forum.users_with_agreement.exists?(last_editor)
forum.users_with_agreement << last_editor
end
else
forum.users_with_agreement.clear
end
end
def self.type_name
_('Forum')
end
def self.short_description
_('Forum')
end
def self.description
_('An internet forum, also called message board, where discussions can be held.')
end
module TopicCreation
BASE = ActiveSupport::OrderedHash.new
BASE['users'] = _('Logged users')
PERSON = ActiveSupport::OrderedHash.new
PERSON['self'] = _('Me')
PERSON['related'] = _('Friends')
GROUP = ActiveSupport::OrderedHash.new
GROUP['self'] = _('Administrators')
GROUP['related'] = _('Members')
def self.general_options(forum)
forum.profile.person? ? PERSON.merge(BASE) : GROUP.merge(BASE)
end
end
include ActionView::Helpers::TagHelper
def to_html(options = {})
proc do
render :file => 'content_viewer/forum_page'
end
end
def forum?
true
end
def self.icon_name(article = nil)
'forum'
end
def notifiable?
true
end
def first_paragraph
return '' if body.blank?
paragraphs = Nokogiri::HTML.fragment(body).css('p')
paragraphs.empty? ? '' : paragraphs.first.to_html
end
def add_agreed_user(user)
self.users_with_agreement << user
self.save
end
def agrees_with_terms?(user)
return true unless self.has_terms_of_use
return false unless user
self.users_with_agreement.exists? user
end
def can_create_topic?(user)
return true if user == profile || profile.admins.include?(user) || profile.environment.admins.include?(user)
case topic_creation
when 'related'
profile.person? ? profile.friends.include?(user) : profile.members.include?(user)
when 'users'
user.present?
end
end
def allow_create?(user)
super || can_create_topic?(user)
end
end