discourse/script/bulk_import/vanilla.rb

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# frozen_string_literal: true
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require_relative "base"
require "mysql2"
require "rake"
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require "htmlentities"
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# NOTE: this importer expects a MySQL DB to directly connect to
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class BulkImport::Vanilla < BulkImport::Base
VANILLA_DB = "dbname"
TABLE_PREFIX = "GDN_"
ATTACHMENTS_BASE_DIR = "/my/absolute/path/to/from_vanilla/uploads"
BATCH_SIZE = 1000
CONVERT_HTML = true
SUSPENDED_TILL ||= Date.new(3000, 1, 1)
def initialize
super
@htmlentities = HTMLEntities.new
@client =
Mysql2::Client.new(
host: "localhost",
username: "root",
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database: VANILLA_DB,
password: "",
reconnect: true,
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)
@import_tags = false
begin
r = @client.query("select count(*) count from #{TABLE_PREFIX}Tag where countdiscussions > 0")
@import_tags = true if r.first["count"].to_i > 0
rescue => e
puts "Tags won't be imported. None found. #{e.message}"
end
@category_mappings = {}
end
def start
run # will call execute, and then "complete" the migration
# Now that the migration is complete, do some more work:
Discourse::Application.load_tasks
Rake::Task["import:ensure_consistency"].invoke
import_avatars # slow
create_permalinks # TODO: do it bulk style
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import_attachments # slow
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end
def execute
if @import_tags
SiteSetting.tagging_enabled = true
SiteSetting.max_tags_per_topic = 10
SiteSetting.max_tag_length = 100
end
# other good ones:
# SiteSetting.port = 3000
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# SiteSetting.permalink_normalizations = "/discussion\/(\d+)\/.*/discussion/\1"
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# SiteSetting.automatic_backups_enabled = false
# SiteSetting.disable_emails = "non-staff"
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# 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
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# etc.
import_users
import_user_emails
import_user_profiles
import_user_stats
import_categories
import_topics
import_tags if @import_tags
import_posts
import_private_topics
import_topic_allowed_users
import_private_posts
end
def import_users
puts "", "Importing users..."
username = nil
total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}User;").first["count"]
users = mysql_stream <<-SQL
SELECT UserID, Name, Title, Location, Email,
DateInserted, DateLastActive, InsertIPAddress, Admin, Banned
FROM #{TABLE_PREFIX}User
WHERE UserID > #{@last_imported_user_id}
AND Deleted = 0
ORDER BY UserID ASC
SQL
create_users(users) do |row|
next if row["Email"].blank?
next if row["Name"].blank?
if ip_address = row["InsertIPAddress"]&.split(",").try(:[], 0)
ip_address = nil unless (
begin
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IPAddr.new(ip_address)
rescue StandardError
false
end
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)
end
u = {
imported_id: row["UserID"],
email: row["Email"],
username: row["Name"],
name: row["Name"],
created_at: row["DateInserted"] == nil ? 0 : Time.zone.at(row["DateInserted"]),
registration_ip_address: ip_address,
last_seen_at: row["DateLastActive"] == nil ? 0 : Time.zone.at(row["DateLastActive"]),
location: row["Location"],
admin: row["Admin"] > 0,
}
if row["Banned"] > 0
u[:suspended_at] = Time.zone.at(row["DateInserted"])
u[:suspended_till] = SUSPENDED_TILL
end
u
end
end
def import_user_emails
puts "", "Importing user emails..."
users = mysql_stream <<-SQL
SELECT UserID, Name, Email, DateInserted
FROM #{TABLE_PREFIX}User
WHERE UserID > #{@last_imported_user_id}
AND Deleted = 0
ORDER BY UserID ASC
SQL
create_user_emails(users) do |row|
next if row["Email"].blank?
next if row["Name"].blank?
{
imported_id: row["UserID"],
imported_user_id: row["UserID"],
email: row["Email"],
created_at: Time.zone.at(row["DateInserted"]),
}
end
end
def import_user_profiles
puts "", "Importing user profiles..."
user_profiles = mysql_stream <<-SQL
SELECT UserID, Name, Email, Location, About
FROM #{TABLE_PREFIX}User
WHERE UserID > #{@last_imported_user_id}
AND Deleted = 0
ORDER BY UserID ASC
SQL
create_user_profiles(user_profiles) do |row|
next if row["Email"].blank?
next if row["Name"].blank?
{
user_id: user_id_from_imported_id(row["UserID"]),
location: row["Location"],
bio_raw: row["About"],
}
end
end
def import_user_stats
puts "", "Importing user stats..."
users = mysql_stream <<-SQL
SELECT UserID, CountDiscussions, CountComments, DateInserted
FROM #{TABLE_PREFIX}User
WHERE UserID > #{@last_imported_user_id}
AND Deleted = 0
ORDER BY UserID ASC
SQL
now = Time.zone.now
create_user_stats(users) do |row|
next unless @users[row["UserID"].to_i] # shouldn't need this but it can be NULL :<
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{
imported_id: row["UserID"],
imported_user_id: row["UserID"],
new_since: Time.zone.at(row["DateInserted"] || now),
post_count: row["CountComments"] || 0,
topic_count: row["CountDiscussions"] || 0,
}
end
end
def import_avatars
if ATTACHMENTS_BASE_DIR && File.exist?(ATTACHMENTS_BASE_DIR)
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puts "", "importing user avatars"
start = Time.now
count = 0
User.find_each do |u|
count += 1
print "\r%7d - %6d/sec" % [count, count.to_f / (Time.now - start)]
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next unless u.custom_fields["import_id"]
r =
mysql_query(
"SELECT photo FROM #{TABLE_PREFIX}User WHERE UserID = #{u.custom_fields["import_id"]};",
).first
next if r.nil?
photo = r["photo"]
next unless photo.present?
# Possible encoded values:
# 1. cf://uploads/userpics/820/Y0AFUQYYM6QN.jpg
# 2. ~cf/userpics2/cf566487133f1f538e02da96f9a16b18.jpg
# 3. ~cf/userpics/txkt8kw1wozn.jpg
# 4. s3://uploads/xf/22/22690.jpg
photo_real_filename = nil
parts = photo.squeeze("/").split("/")
if parts[0] =~ /^[a-z0-9]{2}:/
photo_path = "#{ATTACHMENTS_BASE_DIR}/#{parts[2..-2].join("/")}".squeeze("/")
elsif parts[0] == "~cf"
photo_path = "#{ATTACHMENTS_BASE_DIR}/#{parts[1..-2].join("/")}".squeeze("/")
else
puts "UNKNOWN FORMAT: #{photo}"
next
end
if !File.exist?(photo_path)
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puts "Path to avatar file not found! Skipping. #{photo_path}"
next
end
photo_real_filename = find_photo_file(photo_path, parts.last)
if photo_real_filename.nil?
puts "Couldn't find file for #{photo}. Skipping."
next
end
print "."
upload = create_upload(u.id, photo_real_filename, File.basename(photo_real_filename))
if upload.persisted?
u.import_mode = false
u.create_user_avatar
u.import_mode = true
u.user_avatar.update(custom_upload_id: upload.id)
u.update(uploaded_avatar_id: upload.id)
else
puts "Error: Upload did not persist for #{u.username} #{photo_real_filename}!"
end
end
end
end
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def import_attachments
if ATTACHMENTS_BASE_DIR && File.exist?(ATTACHMENTS_BASE_DIR)
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puts "", "importing attachments"
start = Time.now
count = 0
# https://us.v-cdn.net/1234567/uploads/editor/xyz/image.jpg
cdn_regex = %r{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" % [count, count.to_f / (Time.now - start)]
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new_raw = post.raw.dup
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new_raw.gsub!(attachment_regex) do |s|
matches = attachment_regex.match(s)
attachment_id = matches[1]
file_name = matches[2]
next unless attachment_id
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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?
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path.gsub!("s3://content/", "")
path.gsub!("s3://uploads/", "")
file_path = "#{ATTACHMENTS_BASE_DIR}/#{path}"
if File.exist?(file_path)
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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
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puts "Error: Upload did not persist for #{post.id} #{attachment_id}!"
end
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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.exist?(file_path)
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upload = create_upload(post.user.id, file_path, File.basename(file_path))
if upload && upload.errors.empty?
upload.url
else
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puts "Error: Upload did not persist for #{post.id} #{attachment_id}!"
end
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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 StandardError
puts "PostRevisor error for #{post.id}"
post.raw = new_raw
post.save(validate: false)
end
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end
end
end
end
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def find_photo_file(path, base_filename)
base_guess = base_filename.dup
full_guess = File.join(path, base_guess) # often an exact match exists
return full_guess if File.exist?(full_guess)
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# Otherwise, the file exists but with a prefix:
# The p prefix seems to be the full file, so try to find that one first.
%w[p t n].each do |prefix|
full_guess = File.join(path, "#{prefix}#{base_guess}")
return full_guess if File.exist?(full_guess)
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end
# Didn't find it.
nil
end
def import_categories
puts "", "Importing categories..."
categories =
mysql_query(
"
SELECT CategoryID, ParentCategoryID, Name, Description, Sort
FROM #{TABLE_PREFIX}Category
WHERE CategoryID > 0
ORDER BY Sort, CategoryID
",
).to_a
# Throw the -1 level categories away since they contain no topics.
# Use the next level as root categories.
top_level_categories =
categories.select { |c| c["ParentCategoryID"].blank? || c["ParentCategoryID"] == -1 }
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# Depth = 2
create_categories(top_level_categories) do |category|
next if category_id_from_imported_id(category["CategoryID"])
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{
imported_id: category["CategoryID"],
name: CGI.unescapeHTML(category["Name"]),
description: category["Description"] ? CGI.unescapeHTML(category["Description"]) : nil,
position: category["Sort"],
}
end
top_level_category_ids = Set.new(top_level_categories.map { |c| c["CategoryID"] })
subcategories = categories.select { |c| top_level_category_ids.include?(c["ParentCategoryID"]) }
# Depth = 3
create_categories(subcategories) do |category|
next if category_id_from_imported_id(category["CategoryID"])
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{
imported_id: category["CategoryID"],
parent_category_id: category_id_from_imported_id(category["ParentCategoryID"]),
name: CGI.unescapeHTML(category["Name"]),
description: category["Description"] ? CGI.unescapeHTML(category["Description"]) : nil,
position: category["Sort"],
}
end
subcategory_ids = Set.new(subcategories.map { |c| c["CategoryID"] })
# Depth 4 and 5 need to be tags
categories.each do |c|
next if c["ParentCategoryID"] == -1
next if top_level_category_ids.include?(c["CategoryID"])
next if subcategory_ids.include?(c["CategoryID"])
# Find a depth 3 category for topics in this category
parent = c
while !parent.nil? && !subcategory_ids.include?(parent["CategoryID"])
parent = categories.find { |subcat| subcat["CategoryID"] == parent["ParentCategoryID"] }
end
if parent
tag_name = DiscourseTagging.clean_tag(c["Name"])
@category_mappings[c["CategoryID"]] = {
category_id: category_id_from_imported_id(parent["CategoryID"]),
tag: Tag.find_by_name(tag_name) || Tag.create(name: tag_name),
}
else
puts "", "Couldn't find a category for #{c["CategoryID"]} '#{c["Name"]}'!"
end
end
end
def import_topics
puts "", "Importing topics..."
topics_sql =
"SELECT DiscussionID, CategoryID, Name, Body, DateInserted, InsertUserID, Announce, Format
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FROM #{TABLE_PREFIX}Discussion
WHERE DiscussionID > #{@last_imported_topic_id}
ORDER BY DiscussionID ASC"
create_topics(mysql_stream(topics_sql)) do |row|
data = {
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imported_id: row["DiscussionID"],
title: normalize_text(row["Name"]),
category_id:
category_id_from_imported_id(row["CategoryID"]) ||
@category_mappings[row["CategoryID"]].try(:[], :category_id),
user_id: user_id_from_imported_id(row["InsertUserID"]),
created_at: Time.zone.at(row["DateInserted"]),
pinned_at: row["Announce"] == 0 ? nil : Time.zone.at(row["DateInserted"]),
}
(data[:user_id].present? && data[:title].present?) ? data : false
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end
puts "", "importing first posts..."
create_posts(mysql_stream(topics_sql)) do |row|
data = {
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imported_id: "d-" + row["DiscussionID"].to_s,
topic_id: topic_id_from_imported_id(row["DiscussionID"]),
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user_id: user_id_from_imported_id(row["InsertUserID"]),
created_at: Time.zone.at(row["DateInserted"]),
raw: clean_up(row["Body"], row["Format"]),
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}
data[:topic_id].present? ? data : false
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end
puts "", "converting deep categories to tags..."
create_topic_tags(mysql_stream(topics_sql)) do |row|
next unless mapping = @category_mappings[row["CategoryID"]]
{ tag_id: mapping[:tag].id, topic_id: topic_id_from_imported_id(row["DiscussionID"]) }
end
end
def import_posts
puts "", "Importing posts..."
posts =
mysql_stream(
"SELECT CommentID, DiscussionID, Body, DateInserted, InsertUserID, Format
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FROM #{TABLE_PREFIX}Comment
WHERE CommentID > #{@last_imported_post_id}
ORDER BY CommentID ASC",
)
create_posts(posts) do |row|
next unless topic_id = topic_id_from_imported_id(row["DiscussionID"])
next if row["Body"].blank?
{
imported_id: row["CommentID"],
topic_id: topic_id,
user_id: user_id_from_imported_id(row["InsertUserID"]),
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created_at: Time.zone.at(row["DateInserted"]),
raw: clean_up(row["Body"], row["Format"]),
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}
end
end
def import_tags
puts "", "Importing tags..."
tag_mapping = {}
mysql_query("SELECT TagID, Name FROM #{TABLE_PREFIX}Tag").each do |row|
tag_name = DiscourseTagging.clean_tag(row["Name"])
tag = Tag.find_by_name(tag_name) || Tag.create(name: tag_name)
tag_mapping[row["TagID"]] = tag.id
end
tags =
mysql_query(
"SELECT TagID, DiscussionID
FROM #{TABLE_PREFIX}TagDiscussion
WHERE DiscussionID > #{@last_imported_topic_id}
ORDER BY DateInserted",
)
create_topic_tags(tags) do |row|
next unless topic_id = topic_id_from_imported_id(row["DiscussionID"])
{ topic_id: topic_id, tag_id: tag_mapping[row["TagID"]] }
end
end
def import_private_topics
puts "", "Importing private topics..."
topics_sql =
"SELECT c.ConversationID, c.Subject, m.MessageID, m.Body, c.DateInserted, c.InsertUserID
FROM #{TABLE_PREFIX}Conversation c, #{TABLE_PREFIX}ConversationMessage m
WHERE c.FirstMessageID = m.MessageID
AND c.ConversationID > #{@last_imported_private_topic_id - PRIVATE_OFFSET}
ORDER BY c.ConversationID ASC"
create_topics(mysql_stream(topics_sql)) do |row|
{
archetype: Archetype.private_message,
imported_id: row["ConversationID"] + PRIVATE_OFFSET,
title:
row["Subject"] ? normalize_text(row["Subject"]) : "Conversation #{row["ConversationID"]}",
user_id: user_id_from_imported_id(row["InsertUserID"]),
created_at: Time.zone.at(row["DateInserted"]),
}
end
end
def import_topic_allowed_users
puts "", "importing topic_allowed_users..."
topic_allowed_users_sql =
"
SELECT ConversationID, UserID
FROM #{TABLE_PREFIX}UserConversation
WHERE Deleted = 0
AND ConversationID > #{@last_imported_private_topic_id - PRIVATE_OFFSET}
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ORDER BY ConversationID ASC"
added = 0
create_topic_allowed_users(mysql_stream(topic_allowed_users_sql)) do |row|
next unless topic_id = topic_id_from_imported_id(row["ConversationID"] + PRIVATE_OFFSET)
next unless user_id = user_id_from_imported_id(row["UserID"])
added += 1
{ topic_id: topic_id, user_id: user_id }
end
puts "", "Added #{added} topic_allowed_users records."
end
def import_private_posts
puts "", "importing private replies..."
private_posts_sql =
"
SELECT ConversationID, MessageID, Body, InsertUserID, DateInserted, Format
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FROM GDN_ConversationMessage
WHERE ConversationID > #{@last_imported_private_topic_id - PRIVATE_OFFSET}
ORDER BY ConversationID ASC, MessageID ASC"
create_posts(mysql_stream(private_posts_sql)) do |row|
next unless topic_id = topic_id_from_imported_id(row["ConversationID"] + PRIVATE_OFFSET)
{
imported_id: row["MessageID"] + PRIVATE_OFFSET,
topic_id: topic_id,
user_id: user_id_from_imported_id(row["InsertUserID"]),
created_at: Time.zone.at(row["DateInserted"]),
raw: clean_up(row["Body"], row["Format"]),
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}
end
end
# TODO: too slow
def create_permalinks
puts "", "Creating permalinks...", ""
puts " User pages..."
start = Time.now
count = 0
now = Time.zone.now
sql = "COPY permalinks (url, created_at, updated_at, external_url) FROM STDIN"
@raw_connection.copy_data(sql, @encoder) do
User
.includes(:_custom_fields)
.find_each do |u|
count += 1
ucf = u.custom_fields
if ucf && ucf["import_id"]
vanilla_username = ucf["import_username"] || u.username
@raw_connection.put_copy_data(
["profile/#{vanilla_username}", now, now, "/users/#{u.username}"],
)
end
print "\r%7d - %6d/sec" % [count, count.to_f / (Time.now - start)] if count % 5000 == 0
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end
end
puts "", "", " Topics and posts..."
start = Time.now
count = 0
sql = "COPY permalinks (url, topic_id, post_id, created_at, updated_at) FROM STDIN"
@raw_connection.copy_data(sql, @encoder) do
Post
.includes(:_custom_fields)
.find_each do |post|
count += 1
pcf = post.custom_fields
if pcf && pcf["import_id"]
topic = post.topic
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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
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end
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end
print "\r%7d - %6d/sec" % [count, count.to_f / (Time.now - start)] if count % 5000 == 0
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end
end
end
def clean_up(raw, format)
raw.encode!("utf-8", "utf-8", invalid: :replace, undef: :replace, replace: "")
raw.gsub!(%r{<(.+)>&nbsp;</\1>}, "\n\n")
html =
if format == "Html"
raw
else
markdown = Redcarpet::Markdown.new(Redcarpet::Render::HTML, autolink: true, tables: true)
markdown.render(raw)
end
doc = Nokogiri::HTML5.fragment(html)
doc
.css("blockquote")
.each do |bq|
name = bq["rel"]
user = User.find_by(name: name)
bq.replace %{<br>[QUOTE="#{user&.username || name}"]\n#{bq.inner_html}\n[/QUOTE]<br>}
end
doc.css("font").reverse.each { |f| f.replace f.inner_html }
doc.css("span").reverse.each { |f| f.replace f.inner_html }
doc.css("sub").reverse.each { |f| f.replace f.inner_html }
doc.css("u").reverse.each { |f| f.replace f.inner_html }
markdown = format == "Html" ? ReverseMarkdown.convert(doc.to_html) : doc.to_html
markdown.gsub!(/\[QUOTE="([^;]+);c-(\d+)"\]/i) { "[QUOTE=#{$1};#{$2}]" }
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markdown = process_raw_text(markdown)
markdown
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end
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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!(%r{<!-- \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!(%r{\[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!(%r{\[list\](.*?)\[/list:u\]}mi, '[ul]\1[/ul]')
text.gsub!(%r{\[list=.*?\](.*?)\[/list:o\]}mi, '[ol]\1[/ol]')
# convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists:
text.gsub!(%r{\[\*\](.*?)\[/\*:m\]}mi, '[li]\1[/li]')
# [QUOTE="<username>"] -- add newline
text.gsub!(/(\[quote="[a-zA-Z\d]+"\])/i) { "#{$1}\n" }
# [/QUOTE] -- add newline
text.gsub!(%r{(\[/quote\])}i) { "\n#{$1}" }
text
end
2018-02-02 16:28:34 -05:00
def staff_guardian
@_staff_guardian ||= Guardian.new(Discourse.system_user)
end
def mysql_stream(sql)
@client.query(sql, stream: true)
end
def mysql_query(sql)
@client.query(sql)
end
end
BulkImport::Vanilla.new.start