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- # frozen_string_literal: true
-
- # Redmine - project management software
- # Copyright (C) 2006-2023 Jean-Philippe Lang
- #
- # 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.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
- class Wiki < ApplicationRecord
- include Redmine::SafeAttributes
- belongs_to :project
- has_many :pages, lambda {order(Arel.sql('LOWER(title)').asc)}, :class_name => 'WikiPage', :dependent => :destroy
- has_many :redirects, :class_name => 'WikiRedirect'
-
- acts_as_watchable
-
- validates_presence_of :start_page
- validates_format_of :start_page, :with => /\A[^,\.\/\?\;\|\:]*\z/
- validates_length_of :start_page, maximum: 255
-
- before_destroy :delete_redirects
-
- safe_attributes 'start_page'
-
- def visible?(user=User.current)
- !user.nil? && user.allowed_to?(:view_wiki_pages, project)
- end
-
- # 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
-
- # 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
-
- # find the page with the given title
- def find_page(title, options = {})
- @page_found_with_redirect = false
- title = start_page if title.blank?
- title = Wiki.titleize(title)
- page = pages.find_by("LOWER(title) = LOWER(?)", title)
- if page.nil? && options[:with_redirect] != false
- # search for a redirect
- redirect = redirects.where("LOWER(title) = LOWER(?)", title).first
- if redirect
- page = redirect.target_page
- @page_found_with_redirect = true
- end
- end
- page
- end
-
- # Returns true if the last page was found with a redirect
- def page_found_with_redirect?
- @page_found_with_redirect
- end
-
- # Deletes all redirects from/to the wiki
- def delete_redirects
- WikiRedirect.where(:wiki_id => id).delete_all
- WikiRedirect.where(:redirects_to_wiki_id => id).delete_all
- end
-
- # 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
-
- def self.create_default(project)
- create(:project => project, :start_page => 'Wiki')
- end
-
- # 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
- end
- end
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