add support for importing attachments in bbPress importer

This commit is contained in:
Régis Hanol 2018-04-24 11:04:41 +02:00 committed by Robin Ward
parent ed4c0c4a63
commit c11e8c9a64
1 changed files with 125 additions and 25 deletions

View File

@ -1,23 +1,15 @@
require 'mysql2'
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
# Before running this script, paste these lines into your shell,
# then use arrow keys to edit the values
=begin
export BBPRESS_HOST="localhost"
export BBPRESS_USER="root"
export BBPRESS_DB="bbpress"
export BBPRESS_PW=""
=end
class ImportScripts::Bbpress < ImportScripts::Base
BB_PRESS_HOST ||= ENV['BBPRESS_HOST'] || "localhost"
BB_PRESS_DB ||= ENV['BBPRESS_DB'] || "bbpress"
BATCH_SIZE ||= 1000
BB_PRESS_PW ||= ENV['BBPRESS_PW'] || ""
BB_PRESS_USER ||= ENV['BBPRESS_USER'] || "root"
BB_PRESS_PREFIX ||= ENV['BBPRESS_PREFIX'] || "wp_"
BB_PRESS_HOST ||= ENV['BBPRESS_HOST'] || "localhost"
BB_PRESS_DB ||= ENV['BBPRESS_DB'] || "bbpress"
BATCH_SIZE ||= 1000
BB_PRESS_PW ||= ENV['BBPRESS_PW'] || ""
BB_PRESS_USER ||= ENV['BBPRESS_USER'] || "root"
BB_PRESS_PREFIX ||= ENV['BBPRESS_PREFIX'] || "wp_"
BB_PRESS_ATTACHMENTS_DIR ||= ENV['BBPRESS_ATTACHMENTS_DIR'] || "/path/to/attachments"
def initialize
super
@ -38,6 +30,7 @@ class ImportScripts::Bbpress < ImportScripts::Base
import_categories
import_topics_and_posts
import_private_messages
import_attachments
create_permalinks
end
@ -246,10 +239,15 @@ class ImportScripts::Bbpress < ImportScripts::Base
create_posts(posts, total: total_posts, offset: offset) do |p|
skip = false
user_id = user_id_from_imported_user_id(p["post_author"]) ||
find_user_by_import_id(p["post_author"]).try(:id) ||
user_id_from_imported_user_id(anon_names[p['id']]) ||
find_user_by_import_id(anon_names[p['id']]).try(:id) ||
-1
post = {
id: p["id"],
user_id: user_id_from_imported_user_id(p["post_author"]) || find_user_by_import_id(p["post_author"]).try(:id) ||
user_id_from_imported_user_id(anon_names[p['id']]) || find_user_by_import_id(anon_names[p['id']]).try(:id) || -1,
user_id: user_id,
raw: p["post_content"],
created_at: p["post_date"],
like_count: posts_likes[p["id"]],
@ -277,17 +275,118 @@ class ImportScripts::Bbpress < ImportScripts::Base
end
end
def import_attachments
import_attachments_from_postmeta
import_attachments_from_bb_attachments
end
def import_attachments_from_postmeta
puts "", "Importing attachments from 'postmeta'..."
count = 0
last_attachment_id = -1
total_attachments = bbpress_query(<<-SQL
SELECT COUNT(*) count
FROM #{BB_PRESS_PREFIX}postmeta pm
JOIN #{BB_PRESS_PREFIX}posts p ON p.id = pm.post_id
WHERE pm.meta_key = '_wp_attached_file'
AND p.post_parent > 0
SQL
).first["count"]
batches(BATCH_SIZE) do |offset|
attachments = bbpress_query(<<-SQL
SELECT pm.meta_id id, pm.meta_value, p.post_parent post_id
FROM #{BB_PRESS_PREFIX}postmeta pm
JOIN #{BB_PRESS_PREFIX}posts p ON p.id = pm.post_id
WHERE pm.meta_key = '_wp_attached_file'
AND p.post_parent > 0
AND pm.meta_id > #{last_attachment_id}
ORDER BY pm.meta_id
LIMIT #{BATCH_SIZE}
SQL
).to_a
break if attachments.empty?
last_attachment_id = attachments[-1]["id"].to_i
attachments.each do |a|
print_status(count += 1, total_attachments, get_start_time("attachments_from_postmeta"))
path = File.join(BB_PRESS_ATTACHMENTS_DIR, a["meta_value"])
if File.exists?(path)
if post = Post.find_by(id: post_id_from_imported_post_id(a["post_id"]))
filename = File.basename(a["meta_value"])
upload = create_upload(post.user.id, path, filename)
if upload&.persisted?
html = html_for_upload(upload, filename)
if !post.raw[html]
post.raw << "\n\n" << html
post.save!
PostUpload.create!(post: post, upload: upload) unless PostUpload.where(post: post, upload: upload).exists?
end
end
end
end
end
end
end
def import_attachments_from_bb_attachments
puts "", "Importing attachments from 'bb_attachments'..."
count = 0
last_attachment_id = -1
total_attachments = bbpress_query(<<-SQL
SELECT COUNT(*) count
FROM #{BB_PRESS_PREFIX}bb_attachments
WHERE post_id IN (SELECT id FROM #{BB_PRESS_PREFIX}posts WHERE post_status <> 'spam' AND post_type IN ('topic', 'reply'))
SQL
).first["count"]
batches(BATCH_SIZE) do |offset|
attachments = bbpress_query(<<-SQL
SELECT id, filename, post_id
FROM #{BB_PRESS_PREFIX}bb_attachments
WHERE post_id IN (SELECT id FROM #{BB_PRESS_PREFIX}posts WHERE post_status <> 'spam' AND post_type IN ('topic', 'reply'))
AND id > #{last_attachment_id}
ORDER BY id
LIMIT #{BATCH_SIZE}
SQL
).to_a
break if attachments.empty?
last_attachment_id = attachments[-1]["id"].to_i
attachments.each do |a|
print_status(count += 1, total_attachments, get_start_time("attachments_from_bb_attachments"))
if path = find_attachment(a["filename"], a["id"])
if post = Post.find_by(id: post_id_from_imported_post_id(a["post_id"]))
upload = create_upload(post.user.id, path, a["filename"])
if upload&.persisted?
html = html_for_upload(upload, a["filename"])
if !post.raw[html]
post.raw << "\n\n" << html
post.save!
PostUpload.create!(post: post, upload: upload) unless PostUpload.where(post: post, upload: upload).exists?
end
end
end
end
end
end
end
def find_attachment(filename, id)
@attachments ||= Dir[File.join(BB_PRESS_ATTACHMENTS_DIR, "vf-attachs", "**", "*.*")]
@attachments.find { |p| p.end_with?("/#{id}.#{filename}") }
end
def create_permalinks
puts "", "creating permalinks..."
last_topic_id = -1
total_topics = bbpress_query(<<-SQL
SELECT COUNT(*) count
FROM #{BB_PRESS_PREFIX}posts
WHERE post_status <> 'spam'
AND post_type IN ('topic')
SQL
).first["count"]
batches(BATCH_SIZE) do |offset|
topics = bbpress_query(<<-SQL
@ -301,13 +400,14 @@ class ImportScripts::Bbpress < ImportScripts::Base
LIMIT #{BATCH_SIZE}
SQL
).to_a
break if topics.empty?
last_topic_id = topics[-1]["id"].to_i
topics.each do |t|
topic = topic_lookup_from_imported_post_id(t['id'])
Permalink.create(url: URI.parse(t['guid']).path.chomp('/'), topic_id: topic[:topic_id]) rescue nil
end
last_topic_id = topics[-1]["id"].to_i
end
end