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Changing attachment to use paperclip

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This commit is contained in:
Will Bradley 2014-03-06 17:25:39 -07:00
parent bd4cccd91a
commit d4b2457787
3 changed files with 143 additions and 85 deletions
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114
lib/tasks/wordpress.rake
View File

@ -5,8 +5,7 @@ namespace :wordpress do
task :reset_blog do task :reset_blog do
Rake::Task["environment"].invoke Rake::Task["environment"].invoke
%w(taggings tags blog_comments blog_categories blog_categories_blog_posts %w(posts post_translations taggings tags).each do |table_name|
blog_posts).each do |table_name|
p "Truncating #{table_name} ..." p "Truncating #{table_name} ..."
ActiveRecord::Base.connection.execute "DELETE FROM #{table_name}" ActiveRecord::Base.connection.execute "DELETE FROM #{table_name}"
end end
@ -16,18 +15,23 @@ namespace :wordpress do
desc "import blog data from a WordPressImport XML dump" desc "import blog data from a WordPressImport XML dump"
task :import_blog, :file_name do |task, params| task :import_blog, :file_name do |task, params|
Rake::Task["environment"].invoke Rake::Task["environment"].invoke
p "Loading XML from #{params[:file_name]} ..."
dump = WordPressImport::Dump.new(params[:file_name]) dump = WordPressImport::Dump.new(params[:file_name])
dump.authors.each(&:to_refinery) p "Importing #{dump.authors.count} authors ..."
dump.authors.each(&:to_rails)
# by default, import all; unless $ONLY_PUBLISHED = "true"
only_published = ENV['ONLY_PUBLISHED'] == 'true' ? true : false only_published = ENV['ONLY_PUBLISHED'] == 'true' ? true : false
dump.posts(only_published).each(&:to_refinery) p "Importing #{dump.posts(only_published).count} posts ..."
if only_published
p "(only published posts)"
else
p "(export ONLY_PUBLISHED=true to import only published posts)"
end
WordPressImport::Post.create_blog_page_if_necessary dump.posts(only_published).each(&:to_rails)
ENV["MODEL"] = 'BlogPost'
Rake::Task["friendly_id:redo_slugs"].invoke
ENV.delete("MODEL")
end end
desc "reset blog tables and then import blog data from a WordPressImport XML dump" desc "reset blog tables and then import blog data from a WordPressImport XML dump"
@ -38,53 +42,53 @@ namespace :wordpress do
end end
desc "Reset the cms relevant tables for a clean import" # desc "Reset the cms relevant tables for a clean import"
task :reset_pages do # task :reset_pages do
Rake::Task["environment"].invoke # Rake::Task["environment"].invoke
%w(page_part_translations page_translations page_parts pages).each do |table_name| # %w(page_part_translations page_translations page_parts pages).each do |table_name|
p "Truncating #{table_name} ..." # p "Truncating #{table_name} ..."
ActiveRecord::Base.connection.execute "DELETE FROM #{table_name}" # ActiveRecord::Base.connection.execute "DELETE FROM #{table_name}"
end # end
end # end
desc "import cms data from a WordPress XML dump" # desc "import cms data from a WordPress XML dump"
task :import_pages, :file_name do |task, params| # task :import_pages, :file_name do |task, params|
Rake::Task["environment"].invoke # Rake::Task["environment"].invoke
dump = WordPressImport::Dump.new(params[:file_name]) # dump = WordPressImport::Dump.new(params[:file_name])
only_published = ENV['ONLY_PUBLISHED'] == 'true' ? true : false # only_published = ENV['ONLY_PUBLISHED'] == 'true' ? true : false
dump.pages(only_published).each(&:to_refinery) # dump.pages(only_published).each(&:to_rails)
# After all pages are persisted we can now create the parent - child # # After all pages are persisted we can now create the parent - child
# relationships. This is necessary, as WordPress doesn't dump the pages in # # relationships. This is necessary, as WordPress doesn't dump the pages in
# a correct order. # # a correct order.
dump.pages(only_published).each do |dump_page| # dump.pages(only_published).each do |dump_page|
page = ::Page.find(dump_page.post_id) # page = ::Page.find(dump_page.post_id)
page.parent_id = dump_page.parent_id # page.parent_id = dump_page.parent_id
page.save! # page.save!
end # end
WordPressImport::Post.create_blog_page_if_necessary # WordPressImport::Post.create_blog_page_if_necessary
ENV["MODEL"] = 'Page' # ENV["MODEL"] = 'Page'
Rake::Task["friendly_id:redo_slugs"].invoke # Rake::Task["friendly_id:redo_slugs"].invoke
ENV.delete("MODEL") # ENV.delete("MODEL")
end # end
desc "reset cms tables and then import cms data from a WordPress XML dump" # desc "reset cms tables and then import cms data from a WordPress XML dump"
task :reset_and_import_pages, :file_name do |task, params| # task :reset_and_import_pages, :file_name do |task, params|
Rake::Task["environment"].invoke # Rake::Task["environment"].invoke
Rake::Task["wordpress:reset_pages"].invoke # Rake::Task["wordpress:reset_pages"].invoke
Rake::Task["wordpress:import_pages"].invoke(params[:file_name]) # Rake::Task["wordpress:import_pages"].invoke(params[:file_name])
end # end
desc "Reset the media relevant tables for a clean import" desc "Reset the media relevant tables for a clean import"
task :reset_media do task :reset_media do
Rake::Task["environment"].invoke Rake::Task["environment"].invoke
%w(images resources).each do |table_name| %w(rich_rich_files).each do |table_name|
p "Truncating #{table_name} ..." p "Truncating #{table_name} ..."
ActiveRecord::Base.connection.execute "DELETE FROM #{table_name}" ActiveRecord::Base.connection.execute "DELETE FROM #{table_name}"
end end
@ -95,13 +99,14 @@ namespace :wordpress do
Rake::Task["environment"].invoke Rake::Task["environment"].invoke
dump = WordPressImport::Dump.new(params[:file_name]) dump = WordPressImport::Dump.new(params[:file_name])
attachments = dump.attachments.each(&:to_refinery) p "Importing #{dump.attachments.each_slice(25).first.count} attachments ..."
attachments = dump.attachments.each_slice(25).first.each(&:to_rails)
p "Errors were encountered: #{$ATTACHMENT_EXCEPTIONS.inspect}" unless $ATTACHMENT_EXCEPTIONS.blank?
# parse all created BlogPost and Page bodys and replace the old wordpress media uls # parse all created Post and Page bodys and replace the old wordpress media urls
# with the newly created ones # with the newly created ones
attachments.each do |attachment| p "Replacing attachment URLs found in posts/pages ..."
attachment.replace_url attachments.each(&:replace_url)
end
end end
desc "reset media tables and then import media data from a WordPress XML dump" desc "reset media tables and then import media data from a WordPress XML dump"
@ -115,7 +120,16 @@ namespace :wordpress do
task :full_import, :file_name do |task, params| task :full_import, :file_name do |task, params|
Rake::Task["environment"].invoke Rake::Task["environment"].invoke
Rake::Task["wordpress:reset_and_import_blog"].invoke(params[:file_name]) Rake::Task["wordpress:reset_and_import_blog"].invoke(params[:file_name])
Rake::Task["wordpress:reset_and_import_pages"].invoke(params[:file_name]) #Rake::Task["wordpress:reset_and_import_pages"].invoke(params[:file_name])
Rake::Task["wordpress:reset_import_and_replace_media"].invoke(params[:file_name]) #Rake::Task["wordpress:reset_import_and_replace_media"].invoke(params[:file_name])
Rake::Task["wordpress:import_and_replace_media"].invoke(params[:file_name])
end
desc "Local First master import (no resets)"
task :lfa_import, :file_name do |task, params|
Rake::Task["environment"].invoke
Rake::Task["wordpress:import_blog"].invoke(params[:file_name])
Rake::Task["wordpress:import_and_replace_media"].invoke(params[:file_name])
end end
end end

102
lib/wordpress/attachment.rb
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@ -1,8 +1,8 @@
module WordPressImport module WordPressImport
class Attachment class Attachment
attr_reader :node attr_reader :node
attr_reader :refinery_image attr_reader :paperclip_image
attr_reader :refinery_resource attr_reader :paperclip_file
def initialize(node) def initialize(node)
@node = node @node = node
@ -40,42 +40,79 @@ module WordPressImport
url.match /\.(png|jpg|jpeg|gif)$/ url.match /\.(png|jpg|jpeg|gif)$/
end end
def to_refinery def to_rails
if image? begin
to_image if image?
else to_image
to_resource else
to_file
end
rescue Exception => ex
message = "ERROR saving attachment #{url} -- #{ex.message}"
p message
$ATTACHMENT_EXCEPTIONS = [] if $ATTACHMENT_EXCEPTIONS.blank?
$ATTACHMENT_EXCEPTIONS << message
end end
end end
def replace_url def replace_url
@occurrance_count = 0
if image? if image?
replace_image_url replace_image_url
else else
replace_resource_url replace_resource_url
end end
p "Replaced #{@occurrance_count} occurrances of #{url}"
end end
private private
def to_image def rich_file_clean_file_name(full_file_name)
image = ::Image.new extension = File.extname(full_file_name).gsub(/^\.+/, '')
image.created_at = post_date filename = full_file_name.gsub(/\.#{extension}$/, '')
image.image_url = url
image.save! filename = CGI::unescape(filename)
filename = CGI::unescape(filename)
extension = extension.downcase
filename = filename.downcase.gsub(/[^a-z0-9]+/i, '-')
"#{filename}.#{extension}"
end
@refinery_image = image def to_image
# avoid duplicates; use our storage system's filename cleaner for lookup
image = ::Rich::RichFile.find_or_initialize_by(rich_file_file_name: rich_file_clean_file_name(file_name))
if image.rich_file.instance.id.blank?
p "Importing image #{file_name}"
image.simplified_type = "image"
image.created_at = post_date
image.rich_file = URI.parse(url)
image.save!
else
p "image #{file_name} already exists..."
end
@paperclip_image = image
image image
end end
def to_resource def to_file
resource = ::Resource.new # avoid duplicates; use our storage system's filename cleaner for lookup
resource.created_at = post_date file = ::Rich::RichFile.find_or_initialize_by(rich_file_file_name: rich_file_clean_file_name(file_name))
resource.file_url = url
resource.save!
@refinery_resource = resource if file.rich_file.instance.id.blank?
resource p "Importing file #{file_name}"
file.created_at = post_date
file.rich_file = URI.parse(url) if file.rich_file.blank?
file.save!
else
p "file #{file_name} already exists..."
end
@paperclip_file = file
file
end end
def replace_image_url def replace_image_url
@ -89,24 +126,26 @@ module WordPressImport
end end
def replace_image_url_in_blog_posts def replace_image_url_in_blog_posts
replace_url_in_blog_posts(refinery_image.image.url) replace_url_in_blog_posts(paperclip_image.rich_file.url)
end end
def replace_image_url_in_pages def replace_image_url_in_pages
replace_url_in_pages(refinery_image.image.url) replace_url_in_pages(paperclip_image.rich_file.url)
end end
def replace_resource_url_in_blog_posts def replace_resource_url_in_blog_posts
replace_url_in_blog_posts(refinery_resource.file.url) replace_url_in_blog_posts(paperclip_file.rich_file.url)
end end
def replace_resource_url_in_pages def replace_resource_url_in_pages
replace_url_in_pages(refinery_resource.file.url) replace_url_in_pages(paperclip_file.rich_file.url)
end end
def replace_url_in_blog_posts(new_url) def replace_url_in_blog_posts(new_url)
::BlogPost.all.each do |post| ::Post.all.each do |post|
if (! post.body.empty?) && post.body.include?(url) byebug if post.id == 168
if ((! post.body.empty?) && post.body.include?(url))
@occurrance_count++
post.body = post.body.gsub(url_pattern, new_url) post.body = post.body.gsub(url_pattern, new_url)
post.save! post.save!
end end
@ -115,10 +154,13 @@ module WordPressImport
def replace_url_in_pages(new_url) def replace_url_in_pages(new_url)
::Page.all.each do |page| ::Page.all.each do |page|
page.parts.each do |part| page.translations.each do |translation|
if (! part.body.to_s.blank?) && part.body.include?(url) translation.parts.each do |part|
part.body = part.body.gsub(url_pattern, new_url) if (! part.content.to_s.blank?) && part.content.include?(url)
part.save! @occurrance_count++
part.content = part.content.gsub(url_pattern, new_url)
part.save!
end
end end
end end
end end

12
lib/wordpress/dump.rb
View File

@ -3,15 +3,17 @@ module WordPressImport
attr_reader :doc attr_reader :doc
def initialize(file_name) def initialize(file_name)
file_name = File.expand_path(file_name) begin
file_name = File.expand_path(file_name)
raise "Given file '#{file_name}' no file or not readable." \ raise "error" unless File.file?(file_name) && File.readable?(file_name)
unless File.file?(file_name) && File.readable?(file_name) rescue
raise "Given file '#{file_name}' is not a file or not readable. Rake tasks take filename arguments like this: rake wordpress:full_import['/path/to/my_file']"
end
file = File.open(file_name) file = File.open(file_name)
if file.size >= 10485760 # 10MB if file.size >= 10485760 # 10MB
puts "WARNING: LibXML by default supports 10MB max file size. On some systems your file will be silently truncated; on others, an error will be raised. Consider splitting your file into smaller chunks, or double-checking the import results." puts "WARNING: LibXML by default supports 10MB max file size. On some systems your file will be silently truncated; on others, an error will be raised. Consider splitting your file into smaller chunks and running rake tasks individually (authors, then blog/pages, then media), and double-check the import results."
end end
@doc = Nokogiri::XML(file) @doc = Nokogiri::XML(file)