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page_revision.rb
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page_revision.rb
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# Copyright (C) 2009 Pascal Rettig.
class PageRevision < DomainModel
belongs_to :revision_container, :polymorphic => true
has_many :page_paragraphs, :dependent => :destroy, :order => 'zone_idx,position'
belongs_to :created_by, :class_name => 'EndUser'
belongs_to :updated_by, :class_name => 'EndUser'
belongs_to :parent_revision, :class_name => "PageRevision", :foreign_key => 'parent_revision_id'
belongs_to :icon, :class_name => 'DomainFile', :foreign_key => 'icon_id'
belongs_to :icon_hot, :class_name => 'DomainFile', :foreign_key => 'icon_hot_id'
belongs_to :icon_disabled, :class_name => 'DomainFile', :foreign_key => 'icon_disabled_id'
belongs_to :icon_selected, :class_name => 'DomainFile', :foreign_key => 'icon_selected_id'
serialize :variables
attr_accessor :paragraph_update_map
def self.activate_page_revision(page,revision_id)
active_rev = page.page_revisions.find_by_id(revision_id)
unless active_rev.active?
inactive_revs = page.page_revisions.find(:all, :conditions => ['language = ? AND active = 1',active_rev.language]);
inactive_revs.each do |rev|
rev.active = 0
rev.save
end
active_rev.active = 1
active_rev.save
return true
end
return false
end
def display_variables
return @display_variables if @display_variables
@display_variables = (self.variables || {}).clone
end
def self.deactivate_page_revision(page,revision_id)
active_rev = page.page_revisions.find_by_id(revision_id)
if active_rev.active?
active_rev.active = 0
active_rev.save
return true
end
return false
end
def site_template
SiteTemplate.find(1)
end
def node_path
if self.revision_container.is_a?(SiteNode)
self.revision_container.node_path
else
self.revision_container.site_node.node_path
end
end
def full_page_paragraphs
if self.revision_container.is_a?(SiteNode)
container = self.revision_container
paras = container.full_framework_paragraphs(self.language,true)
else
container = self.revision_container.site_node
paras = container.full_framework_paragraphs(self.language,false,self.revision_container.position)
end
paras + self.page_paragraphs
end
def used_images
DomainFileInstance.find(:all,:conditions => { :target_type => 'PageParagraph', :target_id => page_paragraph_ids }, :include => :domain_file).map(&:domain_file).uniq
end
# Delete any temporary revisions
# that are more than 2 days old
def cleanup_temporary()
PageRevision.find(:all,
:conditions => [ 'updated_at < ? AND revision_type = "temp" AND revision_container_type=? AND revision_container_id=?',
2.days.ago, self.revision_container_type,self.revision_container_id] ).each do |rev|
rev.destroy
end
end
# create a deep-copy of this revision in a new language
def create_translation(language)
new_revision = self.clone
new_revision.language = language
new_revision.revision_type = 'real'
new_revision.active= false
new_revision.save
self.page_paragraphs.each do |para|
new_para = para.clone
new_para.page_revision_id=new_revision.id
new_para.save
end
new_revision
end
# Create a new temporary revision
# deep-cloning the paragraphs, and updating the paragraph connections
# so that they point to the new paragraphs
def create_temporary()
# Create the new temporary revision
new_rev = self.clone
new_rev.revision_type='temp'
new_rev.created_at = Time.now
new_rev.updated_at = Time.now
new_rev.parent_revision = self
new_rev.variables ||= {}
new_rev.save
new_rev.paragraph_update_map = {}
connection_map = {}
# Go through each of the paragraphs
self.page_paragraphs.each do |para|
# Clone the paragraph
new_para = para.clone
# Update the revision
new_para.page_revision = new_rev
# Save to get a new paragraph id
new_para.save
new_rev.paragraph_update_map[para.id] = new_para.id
# update the connection map to index by the new id
connection_map[para.id] = new_para.id
# if the paragraph has any actions, duplicate each of the triggered actions
if para.view_action_count > 0 || para.update_action_count > 0
para.triggered_actions.each do |act|
new_act = act.clone
new_act.trigger = new_para
new_act.save
end
end
end
# now go through each of the paragraphs in the new temporary revision
new_rev.page_paragraphs.each do |para|
# If there are any connections
if para.connections
# Check if we have input connections
if para.connections[:inputs]
# For each of the input connections
para.connections[:inputs].each do |input_key,input|
para.connections[:inputs][input_key][0] = connection_map[input[0]] if connection_map[input[0]]
end
end
if para.connections[:outputs]
para.connections[:outputs].each_with_index do |output,output_key|
para.connections[:outputs][output_key][1] = connection_map[output[1]] if connection_map[output[1]]
end
end
para.save
end
end
new_rev
end
def get_translations
existing = PageRevision.find(:all,:conditions => ['revision_container_type=? AND revision_container_id=? AND revision = ? AND revision_type="real"',self.revision_container_id,self.revision_container_id,self.revision],:order => 'language') || []
revisions = {}
existing.each do |rev|
revisions[rev.language] = rev
end
languages = LOCALES.keys.sort
languages.collect do |lang|
[lang, revisions[lang] ? revisions[lang] : nil ]
end
end
def visible_languages
existing = PageRevision.find(:all,:conditions => ['revision_container_type=? AND revision_container_id=? AND active=1 AND revision_type="real"',self.revision_container_id,self.revision_container_id],:order => 'language') || []
end
# Make this temporary revision into a real revision
def make_real()
container = self.revision_container
PageRevision.transaction do
real_rev = container.page_revisions.find(:all,:conditions => [ 'revision_type="real" AND revision=? AND language=? AND id != ?', self.revision,self.language,self.id] )
real_rev.each do |rev|
rev.update_attributes(:revision_type => 'old' )
DomainFileInstance.clear_targets('PageParagraph',rev.page_paragraph_ids)
end
self.update_attributes( :created_at => Time.now,
:revision_type => 'real')
self.page_paragraphs.map(&:regenerate_file_instances)
self.page_paragraphs.map(&:link_canonical_type!)
end
if container.is_a?(SiteNode)
container.save_content(self.created_by)
end
end
def get_next_version(version='minor')
container = self.revision_container
max_revision = container.page_revisions.find(:first,:order => 'page_revisions.revision DESC')
if version == 'major'
max_revision.revision.floor + 1
elsif version == 'minor'
max_revision.revision + 0.01
end
end
def make_new_version(version = 'minor', version_name=nil)
container = self.revision_container
max_revision = container.page_revisions.find(:first,:order => 'page_revisions.revision DESC')
if version == 'major'
new_version = max_revision.revision.floor + 1
elsif version == 'minor'
new_version = max_revision.revision + 0.01
else
new_version = version.to_f
PageRevision.transaction do
real_rev = container.page_revisions.find(:all,:conditions => [ 'revision_type="real" AND revision=? AND language=?', new_version,self.language] )
real_rev.each do |rev|
rev.update_attributes(:revision_type => 'old' )
end
end
end
self.update_attributes(:revision => new_version,
:version_name => version_name,
:active => false,
:revision_type => 'real',
:updated_at => Time.now)
end
def translation(lang)
PageRevision.find(:first,
:conditions => [ 'revision_type="real" AND revision=? AND revision_container_type=? AND revision_container_id=? AND language=?',
self.revision,self.revision_container_type,self.revision_container_id, lang]
)
end
def translations(langs)
langs.collect do |lang|
[ lang, translation(lang) ]
end
end
def identifier
sprintf("%2.2f_%s",self.revision,self.language)
end
def activate
unless self.active
PageRevision.transaction do
PageRevision.update_all(['active=?',false],[ 'revision != ? AND revision_container_type=? AND revision_container_id=? AND language=?',
self.revision,self.revision_container_type,self.revision_container_id, self.language])
PageRevision.update_all(['active=?',true],[ 'revision = ? AND revision_container_type=? AND revision_container_id=? AND language=?',
self.revision,self.revision_container_type,self.revision_container_id, self.language])
end
end
end
def deactivate
PageRevision.transaction do
PageRevision.update_all(['active=?',false],[ 'revision = ? AND revision_container_type=? AND revision_container_id=? AND language=?',
self.revision,self.revision_container_type,self.revision_container_id, self.language])
end
end
# Programmatically add a paragraph to a revision
def add_paragraph(renderer_class,name,paragraph_options={ },options={ })
self.page_paragraphs.build(
:zone_idx => options[:zone] || 1,
:display_type => name,
:display_module => renderer_class,
:data => paragraph_options
)
end
def push_paragraph(renderer_class,name,paragraph_options={ },options={ })
para = self.page_paragraphs.find(:first, :conditions => {:zone_idx => options[:zone] || 1,:display_type => name,:display_module => renderer_class}) || self.add_paragraph(renderer_class,name,paragraph_options,options)
para.data = paragraph_options
if block_given?
yield para
end
para.save
para
end
end