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Improve Vanilla bulk import script

This commit is contained in:
Arpit Jalan 2018-08-16 22:00:26 +05:30
parent 93201d8dbe
commit 0e04e3990e
2 changed files with 155 additions and 18 deletions
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24
script/bulk_import/base.rb
View File

@ -58,6 +58,7 @@ class BulkImport::Base
db = ActiveRecord::Base.connection_config
@encoder = PG::TextEncoder::CopyRow.new
@raw_connection = PG.connect(dbname: db[:database], host: db[:host_names]&.first, port: db[:port])
# @raw_connection = PG.connect(dbname: db[:database], host: db[:host_names]&.first, port: db[:port], password: "discourse")
@uploader = ImportScripts::Uploader.new
@html_entities = HTMLEntities.new
@encoding = CHARSET_MAP[charset]
@ -580,13 +581,18 @@ class BulkImport::Base
@raw_connection.copy_data(sql, @encoder) do
rows.each do |row|
mapped = yield(row)
next unless mapped
processed = send(process_method_name, mapped)
imported_ids << mapped[:imported_id] unless mapped[:imported_id].nil?
imported_ids |= mapped[:imported_ids] unless mapped[:imported_ids].nil?
@raw_connection.put_copy_data columns.map { |c| processed[c] }
print "\r%7d - %6d/sec".freeze % [imported_ids.size, imported_ids.size.to_f / (Time.now - start)] if imported_ids.size % 5000 == 0
begin
mapped = yield(row)
next unless mapped
processed = send(process_method_name, mapped)
imported_ids << mapped[:imported_id] unless mapped[:imported_id].nil?
imported_ids |= mapped[:imported_ids] unless mapped[:imported_ids].nil?
@raw_connection.put_copy_data columns.map { |c| processed[c] }
print "\r%7d - %6d/sec".freeze % [imported_ids.size, imported_ids.size.to_f / (Time.now - start)] if imported_ids.size % 5000 == 0
rescue => e
puts "\n"
puts "ERROR: #{e.inspect}"
end
end
end
@ -624,6 +630,10 @@ class BulkImport::Base
@uploader.create_upload(user_id, path, source_filename)
end
def html_for_upload(upload, display_filename)
@uploader.html_for_upload(upload, display_filename)
end
def fix_name(name)
name.scrub! if name.valid_encoding? == false
return if name.blank?

149
script/bulk_import/vanilla.rb
View File

@ -18,7 +18,9 @@ class BulkImport::Vanilla < BulkImport::Base
@client = Mysql2::Client.new(
host: "localhost",
username: "root",
database: VANILLA_DB
database: VANILLA_DB,
password: "",
reconnect: true
)
@import_tags = false
@ -42,6 +44,7 @@ class BulkImport::Vanilla < BulkImport::Base
import_avatars # slow
create_permalinks # TODO: do it bulk style
import_attachments # slow
end
def execute
@ -54,8 +57,14 @@ class BulkImport::Vanilla < BulkImport::Base
# other good ones:
# SiteSetting.port = 3000
# SiteSetting.permalink_normalizations = "/discussion\/(\d+)\/.*/discussion/\1"
# SiteSetting.automatic_backups_enabled = false
# SiteSetting.disable_emails = "non-staff"
# SiteSetting.authorized_extensions = '*'
# SiteSetting.max_image_size_kb = 102400
# SiteSetting.max_attachment_size_kb = 102400
# SiteSetting.clean_up_uploads = false
# SiteSetting.clean_orphan_uploads_grace_period_hours = 43200
# etc.
import_users
@ -250,6 +259,86 @@ class BulkImport::Vanilla < BulkImport::Base
end
end
def import_attachments
if ATTACHMENTS_BASE_DIR && File.exists?(ATTACHMENTS_BASE_DIR)
puts "", "importing attachments"
start = Time.now
count = 0
# https://us.v-cdn.net/1234567/uploads/editor/xyz/image.jpg
cdn_regex = /https:\/\/us.v-cdn.net\/1234567\/uploads\/(\S+\/(\w|-)+.\w+)/i
# [attachment=10109:Screen Shot 2012-04-01 at 3.47.35 AM.png]
attachment_regex = /\[attachment=(\d+):(.*?)\]/i
Post.where("raw LIKE '%/us.v-cdn.net/%' OR raw LIKE '%[attachment%'").find_each do |post|
count += 1
print "\r%7d - %6d/sec".freeze % [count, count.to_f / (Time.now - start)]
new_raw = post.raw.dup
new_raw.gsub!(attachment_regex) do |s|
matches = attachment_regex.match(s)
attachment_id = matches[1]
file_name = matches[2]
next unless attachment_id
r = mysql_query("SELECT Path, Name FROM #{TABLE_PREFIX}Media WHERE MediaID = #{attachment_id};").first
next if r.nil?
path = r["Path"]
name = r["Name"]
next unless path.present?
path.gsub!("s3://content/", "")
path.gsub!("s3://uploads/", "")
file_path = "#{ATTACHMENTS_BASE_DIR}/#{path}"
if File.exists?(file_path)
upload = create_upload(post.user.id, file_path, File.basename(file_path))
if upload && upload.errors.empty?
# upload.url
filename = name || file_name || File.basename(file_path)
html_for_upload(upload, normalize_text(filename))
else
puts "Error: Upload did not persist for #{post.id} #{attachment_id}!"
end
else
puts "Couldn't find file for #{attachment_id}. Skipping."
next
end
end
new_raw.gsub!(cdn_regex) do |s|
matches = cdn_regex.match(s)
attachment_id = matches[1]
file_path = "#{ATTACHMENTS_BASE_DIR}/#{attachment_id}"
if File.exists?(file_path)
upload = create_upload(post.user.id, file_path, File.basename(file_path))
if upload && upload.errors.empty?
upload.url
else
puts "Error: Upload did not persist for #{post.id} #{attachment_id}!"
end
else
puts "Couldn't find file for #{attachment_id}. Skipping."
next
end
end
if new_raw != post.raw
begin
PostRevisor.new(post).revise!(post.user, { raw: new_raw }, skip_revision: true, skip_validations: true, bypass_bump: true)
rescue
puts "PostRevisor error for #{post.id}"
post.raw = new_raw
post.save(validate: false)
end
end
end
end
end
def find_photo_file(path, base_filename)
base_guess = base_filename.dup
full_guess = File.join(path, base_guess) # often an exact match exists
@ -538,16 +627,18 @@ class BulkImport::Vanilla < BulkImport::Base
pcf = post.custom_fields
if pcf && pcf["import_id"]
topic = post.topic
id = pcf["import_id"].split('-').last
if post.post_number == 1
slug = Slug.for(topic.title) # probably matches what vanilla would do...
@raw_connection.put_copy_data(
["discussion/#{id}/#{slug}", topic.id, nil, now, now]
)
else
@raw_connection.put_copy_data(
["discussion/comment/#{id}", nil, post.id, now, now]
)
if topic.present?
id = pcf["import_id"].split('-').last
if post.post_number == 1
slug = Slug.for(topic.title) # probably matches what vanilla would do...
@raw_connection.put_copy_data(
["discussion/#{id}/#{slug}", topic.id, nil, now, now]
)
else
@raw_connection.put_copy_data(
["discussion/comment/#{id}", nil, post.id, now, now]
)
end
end
end
@ -559,10 +650,46 @@ class BulkImport::Vanilla < BulkImport::Base
def clean_up(raw)
# post id is sometimes prefixed with "c-"
raw.gsub!(/\[QUOTE="([^;]+);c-(\d+)"\]/i) { "[QUOTE=#{$1};#{$2}]" }
raw = raw.delete("\u0000")
raw = process_raw_text(raw)
raw
end
def process_raw_text(raw)
return "" if raw.blank?
text = raw.dup
text = CGI.unescapeHTML(text)
text.gsub!(/:(?:\w{8})\]/, ']')
# Some links look like this: <!-- m --><a class="postlink" href="http://www.onegameamonth.com">http://www.onegameamonth.com</a><!-- m -->
text.gsub!(/<!-- \w --><a(?:.+)href="(\S+)"(?:.*)>(.+)<\/a><!-- \w -->/i, '[\2](\1)')
# phpBB shortens link text like this, which breaks our markdown processing:
# [http://answers.yahoo.com/question/index ... 223AAkkPli](http://answers.yahoo.com/question/index?qid=20070920134223AAkkPli)
#
# Work around it for now:
text.gsub!(/\[http(s)?:\/\/(www\.)?/i, '[')
# convert list tags to ul and list=1 tags to ol
# list=a is not supported, so handle it like list=1
# list=9 and list=x have the same result as list=1 and list=a
text.gsub!(/\[list\](.*?)\[\/list:u\]/mi, '[ul]\1[/ul]')
text.gsub!(/\[list=.*?\](.*?)\[\/list:o\]/mi, '[ol]\1[/ol]')
# convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists:
text.gsub!(/\[\*\](.*?)\[\/\*:m\]/mi, '[li]\1[/li]')
# [QUOTE="<username>"] -- add newline
text.gsub!(/(\[quote="[a-zA-Z\d]+"\])/i) { "#{$1}\n" }
# [/QUOTE] -- add newline
text.gsub!(/(\[\/quote\])/i) { "\n#{$1}" }
text
end
def staff_guardian
@_staff_guardian ||= Guardian.new(Discourse.system_user)
end