instiki/app/models/web.rb

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require 'cgi'
require 'page'
require 'page_set'
require 'wiki_words'
require 'zip/zip'
class Web
attr_accessor :name, :password, :safe_mode, :pages
attr_accessor :additional_style, :allow_uploads, :published
attr_reader :address
# there are getters for all these attributes, too
attr_writer :markup, :color, :brackets_only, :count_pages, :max_upload_size
def initialize(parent_wiki, name, address, password = nil)
self.address = address
@wiki, @name, @password = parent_wiki, name, password
set_compatible_defaults
@pages = {}
@allow_uploads = true
@additional_style = nil
@published = false
@count_pages = false
@allow_uploads = true
end
# Explicitly sets value of some web attributes to defaults, unless they are already set
def set_compatible_defaults
@markup = markup()
@color = color()
@safe_mode = safe_mode()
@brackets_only = brackets_only()
@max_upload_size = max_upload_size()
@wiki = wiki
end
# All below getters know their default values. This is necessary to ensure compatibility with
# 0.9 storages, where they were not defined.
def brackets_only() @brackets_only || false end
def color() @color ||= '008B26' end
def count_pages() @count_pages || false end
def markup() @markup ||= :textile end
def max_upload_size() @max_upload_size || 100; end
def wiki() @wiki ||= WikiService.instance; end
def add_page(page)
@pages[page.name] = page
end
def address=(the_address)
if the_address != CGI.escape(the_address)
raise Instiki::ValidationError.new('Web name should contain only valid URI characters')
end
@address = the_address
end
def authors
select.authors
end
def categories
select.map { |page| page.categories }.flatten.uniq.sort
end
def has_page?(name)
pages[name]
end
def has_file?(name)
wiki.file_yard(self).has_file?(name)
end
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def make_file_link(mode, name, text, base_url)
link = CGI.escape(name)
case mode
when :export
if has_file?(name) then "<a class=\"existingWikiWord\" href=\"#{link}.html\">#{text}</a>"
else "<span class=\"newWikiWord\">#{text}</span>" end
when :publish
if has_file?(name) then "<a class=\"existingWikiWord\" href=\"#{base_url}/published/#{link}\">#{text}</a>"
else "<span class=\"newWikiWord\">#{text}</span>" end
else
if has_file?(name)
"<a class=\"existingWikiWord\" href=\"#{base_url}/file/#{link}\">#{text}</a>"
else
"<span class=\"newWikiWord\">#{text}<a href=\"#{base_url}/file/#{link}\">?</a></span>"
end
end
end
# Create a link for the given page name and link text based
# on the render mode in options and whether the page exists
# in the this web.
# The links a relative, and will work only if displayed on another WikiPage.
# It should not be used in menus, templates and such - instead, use link_to_page helper
def make_link(name, text = nil, options = {})
text = CGI.escapeHTML(text || WikiWords.separate(name))
mode = options[:mode] || :show
base_url = options[:base_url] || '..'
link_type = options[:link_type] || :show
case link_type.to_sym
when :show
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make_page_link(mode, name, text, base_url)
when :file
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make_file_link(mode, name, text, base_url)
when :pic
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make_pic_link(mode, name, text, base_url)
else
raise "Unknown link type: #{link_type}"
end
end
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def make_page_link(mode, name, text, base_url)
link = CGI.escape(name)
case mode.to_sym
when :export
if has_page?(name) then %{<a class="existingWikiWord" href="#{link}.html">#{text}</a>}
else %{<span class="newWikiWord">#{text}</span>} end
when :publish
if has_page?(name) then %{<a class="existingWikiWord" href="#{base_url}/published/#{link}">#{text}</a>}
else %{<span class="newWikiWord">#{text}</span>} end
else
if has_page?(name)
%{<a class="existingWikiWord" href="#{base_url}/show/#{link}">#{text}</a>}
else
%{<span class="newWikiWord">#{text}<a href="#{base_url}/show/#{link}">?</a></span>}
end
end
end
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def make_pic_link(mode, name, text, base_url)
link = CGI.escape(name)
case mode.to_sym
when :export
if has_file?(name) then %{<img alt="#{text}" src="#{link}" />}
else %{<img alt="#{text}" src="no image" />} end
when :publish
if has_file?(name) then %{<img alt="#{text}" src="#{link}" />}
else %{<span class="newWikiWord">#{text}</span>} end
else
if has_file?(name) then %{<img alt="#{text}" src="#{base_url}/pic/#{link}" />}
else %{<span class="newWikiWord">#{text}<a href="#{base_url}/pic/#{link}">?</a></span>} end
end
end
# Clears the display cache for all the pages with references to
def refresh_pages_with_references(page_name)
select.pages_that_reference(page_name).each { |page|
page.revisions.each { |revision| revision.clear_display_cache }
}
end
def refresh_revisions
select.each { |page| page.revisions.each { |revision| revision.clear_display_cache } }
end
def remove_pages(pages_to_be_removed)
pages.delete_if { |page_name, page| pages_to_be_removed.include?(page) }
end
def revised_on
select.most_recent_revision
end
def select(&condition)
PageSet.new(self, @pages.values, condition)
end
private
# Returns an array of all the wiki words in any current revision
def wiki_words
pages.values.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.keys
end
end