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111 lines
3.2 KiB
111 lines
3.2 KiB
# -*- encoding : utf-8 -*-
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# This file is part of Wiki UFC.
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# Copyright (C) 2007-2015 by Álinson Xavier <isoron@gmail.com>
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# Copyright (C) 2007-2008 by Adriano Freitas <adrianoblue@gmail.com>
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# Copyright (C) 2007-2008 by André Castro <aisushin@gmail.com>
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# Copyright (C) 2007-2008 by Rafael Barbosa <86.rafael@gmail.com>
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# Copyright (C) 2007-2008 by Henrique Bustamante <bustamante.rique@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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require 'acts_as_versioned'
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require 'tempfile'
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class WikiPage < ActiveRecord::Base
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attr_accessible :title, :front_page, :content, :description
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scope :hidden, where(front_page: false)
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acts_as_paranoid
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acts_as_list scope: 'course_id = #{course_id}'
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acts_as_versioned if_changed: [:content, :description, :title]
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non_versioned_columns << 'front_page'
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non_versioned_columns << 'position'
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non_versioned_columns << 'deleted_at'
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non_versioned_columns << 'canonical_title'
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belongs_to :course
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belongs_to :user, with_deleted: true
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validates_presence_of :description
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validates_presence_of :title
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validates_presence_of :content
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validates_uniqueness_of :title, scope: :course_id
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validates_uniqueness_of :canonical_title, scope: :course_id
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validates_format_of :title, with: /^[^0-9]/
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validate :check_wiki_syntax
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before_validation :set_canonical_title
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before_save :set_position
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# acts_as_paranoid_versioned
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versioned_class.class_eval do
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def self.delete_all(_conditions = nil)
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nil
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end
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end
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def set_canonical_title
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self.canonical_title = title.pretty_url
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end
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def set_position
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if !front_page
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remove_from_list
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elsif position.nil?
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max_position = (course.wiki_pages.maximum(:position) || 0)
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update_attribute(:position, max_position + 1)
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end
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end
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def check_wiki_syntax
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content.format_wiki
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rescue
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errors.add("content", "possui erro de sintaxe")
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end
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def to_param
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canonical_title || id
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end
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def self.from_param(course, param)
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if param.is_numeric?
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course.wiki_pages.find(param)
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else
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course.wiki_pages.find_by_canonical_title!(param)
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end
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end
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def self.find_front_page
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WikiPage.all(conditions: ["front_page = ?", true])
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end
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def self.diff(from, to)
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original_content_file = Tempfile.new("old")
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original_content_file << from.content << "\n"
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original_content_file.flush
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new_content_file = Tempfile.new("new")
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new_content_file << to.content << "\n"
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new_content_file.flush
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diff = `diff -u #{original_content_file.path} #{new_content_file.path}`
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new_content_file.close!
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original_content_file.close!
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diff
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end
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end
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