class Web < ActiveRecord::Base has_many :pages, :dependent => :destroy has_many :wiki_files, :dependent => :destroy def wiki Wiki.new end def settings_changed?(markup, safe_mode, brackets_only) self.markup != markup || self.safe_mode != safe_mode || self.brackets_only != brackets_only end def add_page(name, content, time, author, renderer) page = page(name) || Page.new(:web => self, :name => name) page.revise(content, time, author, renderer) end def authors connection.select_all( 'SELECT DISTINCT r.author AS author ' + 'FROM revisions r ' + 'JOIN pages p ON p.id = r.page_id ' + 'WHERE p.web_id = ' + self.id.to_s + ' ORDER by 1 ' ).collect { |row| row['author'] } end def categories select.map { |page| page.categories }.flatten.uniq.sort end def page(name) pages.first(:conditions => ['name = ?', name]) end def last_page return Page.first(:order => 'id desc', :conditions => ['web_id = ?', self.id]) end def has_page?(name) Page.count(:conditions => ['web_id = ? AND name = ?', id, name]) > 0 end def has_file?(file_name) WikiFile.find_by_file_name(file_name) != nil end def file_list(sort_order = 'file_name') WikiFile.all(:order => sort_order, :conditions => ['web_id = ?', id]) end def pages_that_link_to(file_name) WikiReference.pages_that_link_to_file(self, file_name) end def description(file_name) file = WikiFile.find_by_file_name(file_name) file.description if file end def markup read_attribute('markup').to_sym end def page_names_by_author connection.select_all( 'SELECT DISTINCT r.author AS author, p.name AS page_name ' + 'FROM revisions r ' + 'JOIN pages p ON r.page_id = p.id ' + "WHERE p.web_id = #{self.id} " + 'ORDER by p.name' ).inject({}) { |result, row| author, page_name = row['author'], row['page_name'] result[author] = [] unless result.has_key?(author) result[author] << page_name result } end def remove_pages(pages_to_be_removed) pages_to_be_removed.each { |p| p.destroy } end def revised_at select.most_recent_revision end def select(&condition) PageSet.new(self, pages, condition) end def select_all PageSet.new(self, pages, nil) end def to_param address end def create_files_directory return unless allow_uploads == 1 dummy_file = self.wiki_files.build(:file_name => '0', :description => '0', :content => '0') File.umask(0002) dir = File.dirname(dummy_file.content_path) begin require 'fileutils' FileUtils.mkdir_p dir dummy_file.save dummy_file.destroy rescue => e logger.error("Failed create files directory for #{self.address}: #{e}") raise "Instiki could not create directory to store uploaded files. " + "Please make sure that Instiki is allowed to create directory " + "#{File.expand_path(dir)} and add files to it." end end def files_path if default_web? "#{RAILS_ROOT}/webs/files" else "#{RAILS_ROOT}/webs/#{self.address}/files" end end def blahtex_pngs_path if default_web? "#{RAILS_ROOT}/webs/files/pngs" else "#{RAILS_ROOT}/webs/#{self.address}/files/pngs" end end private # Returns an array of all the wiki words in any current revision def wiki_words pages.inject([]) { |wiki_words, page| wiki_words << page.wiki_words }.flatten.uniq end # Returns an array of all the page names on this web def page_names pages.map { |p| p.name } end protected before_save :sanitize_markup after_save :create_files_directory before_validation :validate_address validates_uniqueness_of :address validates_length_of :color, :in => 3..6 def sanitize_markup self.markup = markup.to_s end def validate_address unless address == CGI.escape(address) self.errors.add(:address, 'should contain only valid URI characters') raise Instiki::ValidationError.new("#{self.class.human_attribute_name('address')} #{errors.on(:address)}") end end def default_web? defined? DEFAULT_WEB and self.address == DEFAULT_WEB end end