obsolete.ChilliProject/app/models/wiki.rb

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#-- copyright
# ChiliProject is a project management system.
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#
# Copyright (C) 2010-2011 the ChiliProject Team
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#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
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#
# See doc/COPYRIGHT.rdoc for more details.
#++
class Wiki < ActiveRecord::Base
belongs_to :project
has_many :pages, :class_name => 'WikiPage', :dependent => :destroy, :order => 'title'
has_many :redirects, :class_name => 'WikiRedirect', :dependent => :delete_all
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acts_as_watchable
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validates_presence_of :start_page
validates_format_of :start_page, :with => /^[^,\.\/\?\;\|\:]*$/
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def visible?(user=User.current)
!user.nil? && user.allowed_to?(:view_wiki_pages, project)
end
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# Returns the wiki page that acts as the sidebar content
# or nil if no such page exists
def sidebar
@sidebar ||= find_page('Sidebar', :with_redirect => false)
end
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# find the page with the given title
# if page doesn't exist, return a new page
def find_or_new_page(title)
title = start_page if title.blank?
find_page(title) || WikiPage.new(:wiki => self, :title => Wiki.titleize(title))
end
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# find the page with the given title
def find_page(title, options = {})
title = start_page if title.blank?
title = Wiki.titleize(title)
page = pages.first(:conditions => ["LOWER(title) = LOWER(?)", title])
if !page && !(options[:with_redirect] == false)
# search for a redirect
redirect = redirects.first(:conditions => ["LOWER(title) = LOWER(?)", title])
page = find_page(redirect.redirects_to, :with_redirect => false) if redirect
end
page
end
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# Finds a page by title
# The given string can be of one of the forms: "title" or "project:title"
# Examples:
# Wiki.find_page("bar", project => foo)
# Wiki.find_page("foo:bar")
def self.find_page(title, options = {})
project = options[:project]
if title.to_s =~ %r{^([^\:]+)\:(.*)$}
project_identifier, title = $1, $2
project = Project.find_by_identifier(project_identifier) || Project.find_by_name(project_identifier)
end
if project && project.wiki
page = project.wiki.find_page(title)
if page && page.content
page
end
end
end
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# turn a string into a valid page title
def self.titleize(title)
# replace spaces with _ and remove unwanted caracters
title = title.gsub(/\s+/, '_').delete(',./?;|:') if title
# upcase the first letter
title = (title.slice(0..0).upcase + (title.slice(1..-1) || '')) if title
title
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end
end