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# Redmine - project management software
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# Copyright (C) 2006-2011 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Wiki < ActiveRecord::Base
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belongs_to :project
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has_many :pages, :class_name => 'WikiPage', :dependent => :destroy, :order => 'title'
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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
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validates_format_of :start_page, :with => /^[^,\.\/\?\;\|\:]*$/
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def visible?(user=User.current)
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!user.nil? && user.allowed_to?(:view_wiki_pages, project)
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end
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# Returns the wiki page that acts as the sidebar content
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# or nil if no such page exists
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def sidebar
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@sidebar ||= find_page('Sidebar', :with_redirect => false)
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end
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# find the page with the given title
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# if page doesn't exist, return a new page
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def find_or_new_page(title)
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title = start_page if title.blank?
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find_page(title) || WikiPage.new(:wiki => self, :title => Wiki.titleize(title))
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end
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# find the page with the given title
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def find_page(title, options = {})
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@page_found_with_redirect = false
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title = start_page if title.blank?
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title = Wiki.titleize(title)
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page = pages.first(:conditions => ["LOWER(title) = LOWER(?)", title])
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if !page && !(options[:with_redirect] == false)
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# search for a redirect
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redirect = redirects.first(:conditions => ["LOWER(title) = LOWER(?)", title])
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if redirect
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page = find_page(redirect.redirects_to, :with_redirect => false)
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@page_found_with_redirect = true
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end
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end
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page
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end
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# Returns true if the last page was found with a redirect
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def page_found_with_redirect?
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@page_found_with_redirect
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end
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# Finds a page by title
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# The given string can be of one of the forms: "title" or "project:title"
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# Examples:
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# Wiki.find_page("bar", project => foo)
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# Wiki.find_page("foo:bar")
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def self.find_page(title, options = {})
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project = options[:project]
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if title.to_s =~ %r{^([^\:]+)\:(.*)$}
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project_identifier, title = $1, $2
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project = Project.find_by_identifier(project_identifier) || Project.find_by_name(project_identifier)
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end
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if project && project.wiki
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page = project.wiki.find_page(title)
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if page && page.content
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page
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end
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end
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end
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# turn a string into a valid page title
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def self.titleize(title)
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# replace spaces with _ and remove unwanted caracters
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title = title.gsub(/\s+/, '_').delete(',./?;|:') if title
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# upcase the first letter
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title = (title.slice(0..0).upcase + (title.slice(1..-1) || '')) if title
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title
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end
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end
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