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discourse/script/bulk_import/base.rb

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# frozen_string_literal: true
if ARGV.include?("bbcode-to-md")
# Replace (most) bbcode with markdown before creating posts.
# This will dramatically clean up the final posts in Discourse.
#
# In a temp dir:
#
# git clone https://github.com/nlalonde/ruby-bbcode-to-md.git
# cd ruby-bbcode-to-md
# gem build ruby-bbcode-to-md.gemspec
# gem install ruby-bbcode-to-md-*.gem
require "ruby-bbcode-to-md"
end
require "pg"
require "set"
require "redcarpet"
require "htmlentities"
puts "Loading application..."
require_relative "../../config/environment"
require_relative "../import_scripts/base/uploader"
module BulkImport
end
class BulkImport::Base
NOW ||= "now()"
PRIVATE_OFFSET ||= 2**30
# rubocop:disable Layout/HashAlignment
CHARSET_MAP = {
"armscii8" => nil,
"ascii" => Encoding::US_ASCII,
"big5" => Encoding::Big5,
"binary" => Encoding::ASCII_8BIT,
"cp1250" => Encoding::Windows_1250,
"cp1251" => Encoding::Windows_1251,
"cp1256" => Encoding::Windows_1256,
"cp1257" => Encoding::Windows_1257,
"cp850" => Encoding::CP850,
"cp852" => Encoding::CP852,
"cp866" => Encoding::IBM866,
"cp932" => Encoding::Windows_31J,
"dec8" => nil,
"eucjpms" => Encoding::EucJP_ms,
"euckr" => Encoding::EUC_KR,
"gb2312" => Encoding::EUC_CN,
"gbk" => Encoding::GBK,
"geostd8" => nil,
"greek" => Encoding::ISO_8859_7,
"hebrew" => Encoding::ISO_8859_8,
"hp8" => nil,
"keybcs2" => nil,
"koi8r" => Encoding::KOI8_R,
"koi8u" => Encoding::KOI8_U,
"latin1" => Encoding::ISO_8859_1,
"latin2" => Encoding::ISO_8859_2,
"latin5" => Encoding::ISO_8859_9,
"latin7" => Encoding::ISO_8859_13,
"macce" => Encoding::MacCentEuro,
"macroman" => Encoding::MacRoman,
"sjis" => Encoding::SHIFT_JIS,
"swe7" => nil,
"tis620" => Encoding::TIS_620,
"ucs2" => Encoding::UTF_16BE,
"ujis" => Encoding::EucJP_ms,
"utf8" => Encoding::UTF_8,
}
# rubocop:enable Layout/HashAlignment
def initialize
charset = ENV["DB_CHARSET"] || "utf8"
db = ActiveRecord::Base.connection_db_config.configuration_hash
@encoder = PG::TextEncoder::CopyRow.new
@raw_connection = PG.connect(dbname: db[:database], port: db[:port])
@uploader = ImportScripts::Uploader.new
@html_entities = HTMLEntities.new
@encoding = CHARSET_MAP[charset]
@bbcode_to_md = true if use_bbcode_to_md?
@markdown =
Redcarpet::Markdown.new(
Redcarpet::Render::HTML.new(hard_wrap: true),
no_intra_emphasis: true,
fenced_code_blocks: true,
autolink: true,
)
end
def run
puts "Starting..."
Rails.logger.level = 3 # :error, so that we don't create log files that are many GB
preload_i18n
fix_highest_post_numbers
load_imported_ids
load_indexes
execute
fix_primary_keys
execute_after
puts "Done! Now run the 'import:ensure_consistency' rake task."
end
def preload_i18n
puts "Preloading I18n..."
I18n.locale = ENV.fetch("LOCALE") { SiteSettings::DefaultsProvider::DEFAULT_LOCALE }.to_sym
I18n.t("test")
ActiveSupport::Inflector.transliterate("test")
end
def fix_highest_post_numbers
puts "Fixing highest post numbers..."
@raw_connection.exec <<-SQL
WITH X AS (
SELECT topic_id
, COALESCE(MAX(post_number), 0) max_post_number
FROM posts
WHERE deleted_at IS NULL
GROUP BY topic_id
)
UPDATE topics
SET highest_post_number = X.max_post_number
FROM X
WHERE id = X.topic_id
AND highest_post_number <> X.max_post_number
SQL
end
def imported_ids(name)
map = []
ids = []
@raw_connection.send_query(
"SELECT value, #{name}_id FROM #{name}_custom_fields WHERE name = 'import_id'",
)
@raw_connection.set_single_row_mode
@raw_connection.get_result.stream_each do |row|
id = row["value"].to_i
ids << id
map[id] = row["#{name}_id"].to_i
end
@raw_connection.get_result
[map, ids]
end
def load_imported_ids
puts "Loading imported group ids..."
@groups, imported_group_ids = imported_ids("group")
@last_imported_group_id = imported_group_ids.max || -1
puts "Loading imported user ids..."
@users, imported_user_ids = imported_ids("user")
@last_imported_user_id = imported_user_ids.max || -1
@pre_existing_user_ids = Set.new
puts "Loading imported category ids..."
@categories, imported_category_ids = imported_ids("category")
@last_imported_category_id = imported_category_ids.max || -1
puts "Loading imported topic ids..."
@topics, imported_topic_ids = imported_ids("topic")
@last_imported_topic_id = imported_topic_ids.select { |id| id < PRIVATE_OFFSET }.max || -1
@last_imported_private_topic_id =
imported_topic_ids.select { |id| id > PRIVATE_OFFSET }.max || (PRIVATE_OFFSET - 1)
puts "Loading imported post ids..."
@posts, imported_post_ids = imported_ids("post")
@last_imported_post_id = imported_post_ids.select { |id| id < PRIVATE_OFFSET }.max || -1
@last_imported_private_post_id =
imported_post_ids.select { |id| id > PRIVATE_OFFSET }.max || (PRIVATE_OFFSET - 1)
end
def last_id(klass)
# the first record created will have id of this value + 1
[klass.unscoped.maximum(:id) || 0, 0].max
end
def load_values(name, column, size)
map = Array.new(size)
@raw_connection.send_query("SELECT id, #{column} FROM #{name}")
@raw_connection.set_single_row_mode
@raw_connection.get_result.stream_each { |row| map[row["id"].to_i] = row[column].to_i }
@raw_connection.get_result
map
end
def load_indexes
puts "Loading groups indexes..."
@last_group_id = last_id(Group)
@group_names = Group.unscoped.pluck(:name).map(&:downcase).to_set
puts "Loading users indexes..."
@last_user_id = last_id(User)
@last_user_email_id = last_id(UserEmail)
@emails =
User.unscoped.joins(:user_emails).pluck(:"user_emails.email", :"user_emails.user_id").to_h
@usernames_lower = User.unscoped.pluck(:username_lower).to_set
@mapped_usernames =
UserCustomField
.joins(:user)
.where(name: "import_username")
.pluck("user_custom_fields.value", "users.username")
.to_h
puts "Loading categories indexes..."
@last_category_id = last_id(Category)
@category_names =
Category
.unscoped
.pluck(:parent_category_id, :name)
.map { |pci, name| "#{pci}-#{name}" }
.to_set
puts "Loading topics indexes..."
@last_topic_id = last_id(Topic)
@highest_post_number_by_topic_id = load_values("topics", "highest_post_number", @last_topic_id)
puts "Loading posts indexes..."
@last_post_id = last_id(Post)
@post_number_by_post_id = load_values("posts", "post_number", @last_post_id)
@topic_id_by_post_id = load_values("posts", "topic_id", @last_post_id)
puts "Loading post actions indexes..."
@last_post_action_id = last_id(PostAction)
end
def use_bbcode_to_md?
ARGV.include?("bbcode-to-md")
end
def execute
raise NotImplementedError
end
def execute_after
end
def fix_primary_keys
puts "Updating primary key sequences..."
if @last_group_id > 0
@raw_connection.exec("SELECT setval('#{Group.sequence_name}', #{@last_group_id})")
end
if @last_user_id > 0
@raw_connection.exec("SELECT setval('#{User.sequence_name}', #{@last_user_id})")
end
if @last_user_email_id > 0
@raw_connection.exec("SELECT setval('#{UserEmail.sequence_name}', #{@last_user_email_id})")
end
if @last_category_id > 0
@raw_connection.exec("SELECT setval('#{Category.sequence_name}', #{@last_category_id})")
end
if @last_topic_id > 0
@raw_connection.exec("SELECT setval('#{Topic.sequence_name}', #{@last_topic_id})")
end
if @last_post_id > 0
@raw_connection.exec("SELECT setval('#{Post.sequence_name}', #{@last_post_id})")
end
if @last_post_action_id > 0
@raw_connection.exec("SELECT setval('#{PostAction.sequence_name}', #{@last_post_action_id})")
end
end
def group_id_from_imported_id(id)
@groups[id.to_i]
end
def user_id_from_imported_id(id)
@users[id.to_i]
end
def category_id_from_imported_id(id)
@categories[id.to_i]
end
def topic_id_from_imported_id(id)
@topics[id.to_i]
end
def post_id_from_imported_id(id)
@posts[id.to_i]
end
def post_number_from_imported_id(id)
post_id = post_id_from_imported_id(id)
post_id && @post_number_by_post_id[post_id]
end
def topic_id_from_imported_post_id(id)
post_id = post_id_from_imported_id(id)
post_id && @topic_id_by_post_id[post_id]
end
GROUP_COLUMNS ||= %i[id name title bio_raw bio_cooked created_at updated_at]
USER_COLUMNS ||= %i[
id
username
username_lower
name
active
trust_level
admin
moderator
date_of_birth
ip_address
registration_ip_address
primary_group_id
suspended_at
suspended_till
last_emailed_at
created_at
updated_at
]
USER_EMAIL_COLUMNS ||= %i[id user_id email primary created_at updated_at]
USER_STAT_COLUMNS ||= %i[
user_id
topics_entered
time_read
days_visited
posts_read_count
likes_given
likes_received
new_since
read_faq
first_post_created_at
post_count
topic_count
bounce_score
reset_bounce_score_after
digest_attempted_at
]
USER_PROFILE_COLUMNS ||= %i[user_id location website bio_raw bio_cooked views]
GROUP_USER_COLUMNS ||= %i[group_id user_id created_at updated_at]
CATEGORY_COLUMNS ||= %i[
id
name
name_lower
slug
user_id
description
position
parent_category_id
created_at
updated_at
]
TOPIC_COLUMNS ||= %i[
id
archetype
title
fancy_title
slug
user_id
last_post_user_id
category_id
visible
closed
pinned_at
views
created_at
bumped_at
updated_at
]
POST_COLUMNS ||= %i[
id
user_id
last_editor_id
topic_id
post_number
sort_order
reply_to_post_number
like_count
raw
cooked
hidden
word_count
created_at
last_version_at
updated_at
]
POST_ACTION_COLUMNS ||= %i[
id
post_id
user_id
post_action_type_id
deleted_at
created_at
updated_at
deleted_by_id
related_post_id
staff_took_action
deferred_by_id
targets_topic
agreed_at
agreed_by_id
deferred_at
disagreed_at
disagreed_by_id
]
TOPIC_ALLOWED_USER_COLUMNS ||= %i[topic_id user_id created_at updated_at]
TOPIC_TAG_COLUMNS ||= %i[topic_id tag_id created_at updated_at]
def create_groups(rows, &block)
create_records(rows, "group", GROUP_COLUMNS, &block)
end
def create_users(rows, &block)
@imported_usernames = {}
create_records(rows, "user", USER_COLUMNS, &block)
create_custom_fields("user", "username", @imported_usernames.keys) do |username|
{ record_id: @imported_usernames[username], value: username }
end
end
def create_user_emails(rows, &block)
create_records(rows, "user_email", USER_EMAIL_COLUMNS, &block)
end
def create_user_stats(rows, &block)
create_records(rows, "user_stat", USER_STAT_COLUMNS, &block)
end
def create_user_profiles(rows, &block)
create_records(rows, "user_profile", USER_PROFILE_COLUMNS, &block)
end
def create_group_users(rows, &block)
create_records(rows, "group_user", GROUP_USER_COLUMNS, &block)
end
def create_categories(rows, &block)
create_records(rows, "category", CATEGORY_COLUMNS, &block)
end
def create_topics(rows, &block)
create_records(rows, "topic", TOPIC_COLUMNS, &block)
end
def create_posts(rows, &block)
create_records(rows, "post", POST_COLUMNS, &block)
end
def create_post_actions(rows, &block)
create_records(rows, "post_action", POST_ACTION_COLUMNS, &block)
end
def create_topic_allowed_users(rows, &block)
create_records(rows, "topic_allowed_user", TOPIC_ALLOWED_USER_COLUMNS, &block)
end
def create_topic_tags(rows, &block)
create_records(rows, "topic_tag", TOPIC_TAG_COLUMNS, &block)
end
def process_group(group)
@groups[group[:imported_id].to_i] = group[:id] = @last_group_id += 1
group[:name] = fix_name(group[:name])
unless @group_names.add?(group[:name].downcase)
group_name = group[:name] + "_1"
group_name.next! until @group_names.add?(group_name.downcase)
group[:name] = group_name
end
group[:title] = group[:title].scrub.strip.presence if group[:title].present?
group[:bio_raw] = group[:bio_raw].scrub.strip.presence if group[:bio_raw].present?
group[:bio_cooked] = pre_cook(group[:bio_raw]) if group[:bio_raw].present?
group[:created_at] ||= NOW
group[:updated_at] ||= group[:created_at]
group
end
def process_user(user)
if user[:email].present?
user[:email].downcase!
if existing_user_id = @emails[user[:email]]
@pre_existing_user_ids << existing_user_id
@users[user[:imported_id].to_i] = existing_user_id
user[:skip] = true
return user
end
end
@users[user[:imported_id].to_i] = user[:id] = @last_user_id += 1
imported_username = user[:username].dup
user[:username] = fix_name(user[:username]).presence || random_username
if user[:username] != imported_username
@imported_usernames[imported_username] = user[:id]
@mapped_usernames[imported_username] = user[:username]
end
# unique username_lower
unless @usernames_lower.add?(user[:username].downcase)
username = user[:username] + "_1"
username.next! until @usernames_lower.add?(username.downcase)
user[:username] = username
end
user[:username_lower] = user[:username].downcase
user[:trust_level] ||= TrustLevel[1]
user[:active] = true unless user.has_key?(:active)
user[:admin] ||= false
user[:moderator] ||= false
user[:last_emailed_at] ||= NOW
user[:created_at] ||= NOW
user[:updated_at] ||= user[:created_at]
if (date_of_birth = user[:date_of_birth]).is_a?(Date) && date_of_birth.year != 1904
user[:date_of_birth] = Date.new(1904, date_of_birth.month, date_of_birth.day)
end
user
end
def process_user_email(user_email)
user_id = @users[user_email[:imported_user_id].to_i]
return { skip: true } if @pre_existing_user_ids.include?(user_id)
user_email[:id] = @last_user_email_id += 1
user_email[:user_id] = user_id
user_email[:primary] = true
user_email[:created_at] ||= NOW
user_email[:updated_at] ||= user_email[:created_at]
user_email[:email] ||= random_email
user_email[:email].downcase!
# unique email
user_email[:email] = random_email until EmailAddressValidator.valid_value?(
user_email[:email],
) && !@emails.has_key?(user_email[:email])
user_email
end
def process_user_stat(user_stat)
user_id = @users[user_stat[:imported_user_id].to_i]
return { skip: true } if @pre_existing_user_ids.include?(user_id)
user_stat[:user_id] = user_id
user_stat[:topics_entered] ||= 0
user_stat[:time_read] ||= 0
user_stat[:days_visited] ||= 0
user_stat[:posts_read_count] ||= 0
user_stat[:likes_given] ||= 0
user_stat[:likes_received] ||= 0
user_stat[:new_since] ||= NOW
user_stat[:post_count] ||= 0
user_stat[:topic_count] ||= 0
user_stat[:bounce_score] ||= 0
user_stat[:digest_attempted_at] ||= NOW
user_stat
end
def process_user_profile(user_profile)
return { skip: true } if @pre_existing_user_ids.include?(user_profile[:user_id])
user_profile[:bio_raw] = (user_profile[:bio_raw].presence || "").scrub.strip.presence
user_profile[:bio_cooked] = pre_cook(user_profile[:bio_raw]) if user_profile[:bio_raw].present?
user_profile[:views] ||= 0
user_profile
end
def process_group_user(group_user)
group_user[:created_at] = NOW
group_user[:updated_at] = NOW
group_user
end
def process_category(category)
category[:id] ||= @last_category_id += 1
@categories[category[:imported_id].to_i] ||= category[:id]
category[:name] = category[:name][0...50].scrub.strip
# TODO: unique name
category[:name_lower] = category[:name].downcase
category[:slug] ||= Slug.ascii_generator(category[:name_lower])
category[:description] = (category[:description] || "").scrub.strip.presence
category[:user_id] ||= Discourse::SYSTEM_USER_ID
category[:created_at] ||= NOW
category[:updated_at] ||= category[:created_at]
category
end
def process_topic(topic)
@topics[topic[:imported_id].to_i] = topic[:id] = @last_topic_id += 1
topic[:archetype] ||= Archetype.default
topic[:title] = topic[:title][0...255].scrub.strip
topic[:fancy_title] ||= pre_fancy(topic[:title])
topic[:slug] ||= Slug.ascii_generator(topic[:title])
topic[:user_id] ||= Discourse::SYSTEM_USER_ID
topic[:last_post_user_id] ||= topic[:user_id]
topic[:category_id] ||= -1 if topic[:archetype] != Archetype.private_message
topic[:visible] = true unless topic.has_key?(:visible)
topic[:closed] ||= false
topic[:views] ||= 0
topic[:created_at] ||= NOW
topic[:bumped_at] ||= topic[:created_at]
topic[:updated_at] ||= topic[:created_at]
topic
end
def process_post(post)
@posts[post[:imported_id].to_i] = post[:id] = @last_post_id += 1
post[:user_id] ||= Discourse::SYSTEM_USER_ID
post[:last_editor_id] = post[:user_id]
@highest_post_number_by_topic_id[post[:topic_id]] ||= 0
post[:post_number] = @highest_post_number_by_topic_id[post[:topic_id]] += 1
post[:sort_order] = post[:post_number]
@post_number_by_post_id[post[:id]] = post[:post_number]
@topic_id_by_post_id[post[:id]] = post[:topic_id]
post[:raw] = (post[:raw] || "").scrub.strip.presence || "<Empty imported post>"
post[:raw] = process_raw post[:raw]
if @bbcode_to_md
post[:raw] = begin
post[:raw].bbcode_to_md(false, {}, :disable, :quote)
rescue StandardError
post[:raw]
end
end
post[:like_count] ||= 0
post[:cooked] = pre_cook post[:raw]
post[:hidden] ||= false
post[:word_count] = post[:raw].scan(/[[:word:]]+/).size
post[:created_at] ||= NOW
post[:last_version_at] = post[:created_at]
post[:updated_at] ||= post[:created_at]
post
end
def process_post_action(post_action)
post_action[:id] ||= @last_post_action_id += 1
post_action[:staff_took_action] ||= false
post_action[:targets_topic] ||= false
post_action[:created_at] ||= NOW
post_action[:updated_at] ||= post_action[:created_at]
post_action
end
def process_topic_allowed_user(topic_allowed_user)
topic_allowed_user[:created_at] = NOW
topic_allowed_user[:updated_at] = NOW
topic_allowed_user
end
def process_topic_tag(topic_tag)
topic_tag[:created_at] = NOW
topic_tag[:updated_at] = NOW
topic_tag
end
def process_raw(original_raw)
raw = original_raw.dup
# fix whitespaces
raw.gsub!(/(\\r)?\\n/, "\n")
raw.gsub!("\\t", "\t")
# [HTML]...[/HTML]
raw.gsub!(/\[HTML\]/i, "\n\n```html\n")
raw.gsub!(%r{\[/HTML\]}i, "\n```\n\n")
# [PHP]...[/PHP]
raw.gsub!(/\[PHP\]/i, "\n\n```php\n")
raw.gsub!(%r{\[/PHP\]}i, "\n```\n\n")
# [HIGHLIGHT="..."]
raw.gsub!(/\[HIGHLIGHT="?(\w+)"?\]/i) { "\n\n```#{$1.downcase}\n" }
# [CODE]...[/CODE]
# [HIGHLIGHT]...[/HIGHLIGHT]
raw.gsub!(%r{\[/?CODE\]}i, "\n\n```\n\n")
raw.gsub!(%r{\[/?HIGHLIGHT\]}i, "\n\n```\n\n")
# [SAMP]...[/SAMP]
raw.gsub!(%r{\[/?SAMP\]}i, "`")
# replace all chevrons with HTML entities
# /!\ must be done /!\
# - AFTER the "code" processing
# - BEFORE the "quote" processing
raw.gsub!(/`([^`]+?)`/im) { "`" + $1.gsub("<", "\u2603") + "`" }
raw.gsub!("<", "&lt;")
raw.gsub!("\u2603", "<")
raw.gsub!(/`([^`]+?)`/im) { "`" + $1.gsub(">", "\u2603") + "`" }
raw.gsub!(">", "&gt;")
raw.gsub!("\u2603", ">")
raw.gsub!(%r{\[/?I\]}i, "*")
raw.gsub!(%r{\[/?B\]}i, "**")
raw.gsub!(%r{\[/?U\]}i, "")
raw.gsub!(%r{\[/?RED\]}i, "")
raw.gsub!(%r{\[/?BLUE\]}i, "")
raw.gsub!(%r{\[AUTEUR\].+?\[/AUTEUR\]}im, "")
raw.gsub!(%r{\[VOIRMSG\].+?\[/VOIRMSG\]}im, "")
raw.gsub!(%r{\[PSEUDOID\].+?\[/PSEUDOID\]}im, "")
# [IMG]...[/IMG]
raw.gsub!(%r{(?:\s*\[IMG\]\s*)+(.+?)(?:\s*\[/IMG\]\s*)+}im) { "\n\n#{$1}\n\n" }
# [IMG=url]
raw.gsub!(/\[IMG=([^\]]*)\]/im) { "\n\n#{$1}\n\n" }
# [URL=...]...[/URL]
raw.gsub!(%r{\[URL="?(.+?)"?\](.+?)\[/URL\]}im) { "[#{$2.strip}](#{$1})" }
# [URL]...[/URL]
# [MP3]...[/MP3]
# [EMAIL]...[/EMAIL]
# [LEFT]...[/LEFT]
raw.gsub!(%r{\[/?URL\]}i, "")
raw.gsub!(%r{\[/?MP3\]}i, "")
raw.gsub!(%r{\[/?EMAIL\]}i, "")
raw.gsub!(%r{\[/?LEFT\]}i, "")
# [FONT=blah] and [COLOR=blah]
raw.gsub!(%r{\[FONT=.*?\](.*?)\[/FONT\]}im, "\\1")
raw.gsub!(%r{\[COLOR=.*?\](.*?)\[/COLOR\]}im, "\\1")
raw.gsub!(%r{\[SIZE=.*?\](.*?)\[/SIZE\]}im, "\\1")
raw.gsub!(%r{\[H=.*?\](.*?)\[/H\]}im, "\\1")
# [CENTER]...[/CENTER]
raw.gsub!(%r{\[CENTER\](.*?)\[/CENTER\]}im, "\\1")
# [INDENT]...[/INDENT]
raw.gsub!(%r{\[INDENT\](.*?)\[/INDENT\]}im, "\\1")
raw.gsub!(%r{\[TABLE\](.*?)\[/TABLE\]}im, "\\1")
raw.gsub!(%r{\[TR\](.*?)\[/TR\]}im, "\\1")
raw.gsub!(%r{\[TD\](.*?)\[/TD\]}im, "\\1")
raw.gsub!(%r{\[TD="?.*?"?\](.*?)\[/TD\]}im, "\\1")
# [STRIKE]
raw.gsub!(/\[STRIKE\]/i, "<s>")
raw.gsub!(%r{\[/STRIKE\]}i, "</s>")
# [QUOTE]...[/QUOTE]
raw.gsub!(/\[QUOTE="([^\]]+)"\]/i) { "[QUOTE=#{$1}]" }
# Nested Quotes
raw.gsub!(%r{(\[/?QUOTE.*?\])}mi) { |q| "\n#{q}\n" }
# raw.gsub!(/\[QUOTE\](.+?)\[\/QUOTE\]/im) { |quote|
# quote.gsub!(/\[QUOTE\](.+?)\[\/QUOTE\]/im) { "\n#{$1}\n" }
# quote.gsub!(/\n(.+?)/) { "\n> #{$1}" }
# }
# [QUOTE=<username>;<postid>]
raw.gsub!(/\[QUOTE=([^;\]]+);(\d+)\]/i) do
imported_username, imported_postid = $1, $2
username = @mapped_usernames[imported_username] || imported_username
post_number = post_number_from_imported_id(imported_postid)
topic_id = topic_id_from_imported_post_id(imported_postid)
if post_number && topic_id
"\n[quote=\"#{username}, post:#{post_number}, topic:#{topic_id}\"]\n"
else
"\n[quote=\"#{username}\"]\n"
end
end
# [YOUTUBE]<id>[/YOUTUBE]
raw.gsub!(%r{\[YOUTUBE\](.+?)\[/YOUTUBE\]}i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
raw.gsub!(%r{\[DAILYMOTION\](.+?)\[/DAILYMOTION\]}i) do
"\nhttps://www.dailymotion.com/video/#{$1}\n"
end
# [VIDEO=youtube;<id>]...[/VIDEO]
raw.gsub!(%r{\[VIDEO=YOUTUBE;([^\]]+)\].*?\[/VIDEO\]}i) do
"\nhttps://www.youtube.com/watch?v=#{$1}\n"
end
raw.gsub!(%r{\[VIDEO=DAILYMOTION;([^\]]+)\].*?\[/VIDEO\]}i) do
"\nhttps://www.dailymotion.com/video/#{$1}\n"
end
# [SPOILER=Some hidden stuff]SPOILER HERE!![/SPOILER]
raw.gsub!(%r{\[SPOILER="?(.+?)"?\](.+?)\[/SPOILER\]}im) do
"\n#{$1}\n[spoiler]#{$2}[/spoiler]\n"
end
# convert list tags to ul and list=1 tags to ol
# (basically, we're only missing list=a here...)
# (https://meta.discourse.org/t/phpbb-3-importer-old/17397)
raw.gsub!(%r{\[list\](.*?)\[/list\]}im, '[ul]\1[/ul]')
raw.gsub!(%r{\[list=1\|?[^\]]*\](.*?)\[/list\]}im, '[ol]\1[/ol]')
raw.gsub!(%r{\[list\](.*?)\[/list:u\]}im, '[ul]\1[/ul]')
raw.gsub!(%r{\[list=1\|?[^\]]*\](.*?)\[/list:o\]}im, '[ol]\1[/ol]')
# convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists:
raw.gsub!(/\[\*\]\n/, "")
raw.gsub!(%r{\[\*\](.*?)\[/\*:m\]}, '[li]\1[/li]')
raw.gsub!(/\[\*\](.*?)\n/, '[li]\1[/li]')
raw.gsub!(/\[\*=1\]/, "")
raw
end
def create_records(rows, name, columns)
start = Time.now
imported_ids = []
process_method_name = "process_#{name}"
sql = "COPY #{name.pluralize} (#{columns.map { |c| "\"#{c}\"" }.join(",")}) FROM STDIN"
rows_created = 0
@raw_connection.copy_data(sql, @encoder) do
rows.each do |row|
begin
next unless mapped = yield(row)
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] } unless processed[:skip]
rows_created += 1
if rows_created % 100 == 0
print "\r%7d - %6d/sec" % [rows_created, rows_created.to_f / (Time.now - start)]
end
rescue => e
puts "\n"
puts "ERROR: #{e.message}"
puts e.backtrace.join("\n")
end
end
end
if rows_created > 0
print "\r%7d - %6d/sec\n" % [rows_created, rows_created.to_f / (Time.now - start)]
end
id_mapping_method_name = "#{name}_id_from_imported_id".freeze
return unless respond_to?(id_mapping_method_name)
create_custom_fields(name, "id", imported_ids) do |imported_id|
{ record_id: send(id_mapping_method_name, imported_id), value: imported_id }
end
rescue => e
# FIXME: errors catched here stop the rest of the COPY
puts e.message
puts e.backtrace.join("\n")
end
def create_custom_fields(table, name, rows)
name = "import_#{name}"
sql =
"COPY #{table}_custom_fields (#{table}_id, name, value, created_at, updated_at) FROM STDIN"
@raw_connection.copy_data(sql, @encoder) do
rows.each do |row|
next unless cf = yield(row)
@raw_connection.put_copy_data [cf[:record_id], name, cf[:value], NOW, NOW]
end
end
end
def create_upload(user_id, path, source_filename)
@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?
name = ActiveSupport::Inflector.transliterate(name)
name.gsub!(/[^\w.-]+/, "_")
name.gsub!(/^\W+/, "")
name.gsub!(/[^A-Za-z0-9]+$/, "")
name.gsub!(/([-_.]{2,})/) { $1.first }
name.strip!
name.truncate(60)
name
end
def random_username
"Anonymous_#{SecureRandom.hex}"
end
def random_email
"#{SecureRandom.hex}@email.invalid"
end
def pre_cook(raw)
cooked = raw
# Convert YouTube URLs to lazyYT DOMs before being transformed into links
cooked.gsub!(%r{\nhttps\://www.youtube.com/watch\?v=(\w+)\n}) do
video_id = $1
result = <<-HTML
<div class="lazyYT" data-youtube-id="#{video_id}" data-width="480" data-height="270" data-parameters="feature=oembed&amp;wmode=opaque"></div>
HTML
result.strip
end
cooked = @markdown.render(cooked).scrub.strip
cooked.gsub!(%r{\[QUOTE="?([^,"]+)(?:, post:(\d+), topic:(\d+))?"?\](.+?)\[/QUOTE\]}im) do
username, post_id, topic_id, quote = $1, $2, $3, $4
quote = quote.scrub.strip
quote.gsub!(/^(<br>\n?)+/, "")
quote.gsub!(/(<br>\n?)+$/, "")
user = User.find_by(username: username)
if post_id.present? && topic_id.present?
<<-HTML
<aside class="quote" data-post="#{post_id}" data-topic="#{topic_id}">
<div class="title">
<div class="quote-controls"></div>
#{user ? user_avatar(user) : username}:
</div>
<blockquote>#{quote}</blockquote>
</aside>
HTML
else
<<-HTML
<aside class="quote no-group" data-username="#{username}">
<div class="title">
<div class="quote-controls"></div>
#{user ? user_avatar(user) : username}:
</div>
<blockquote>#{quote}</blockquote>
</aside>
HTML
end
end
cooked.scrub.strip
end
def user_avatar(user)
url = user.avatar_template.gsub("{size}", "45")
"<img alt=\"\" width=\"20\" height=\"20\" src=\"#{url}\" class=\"avatar\"> #{user.username}"
end
def pre_fancy(title)
Redcarpet::Render::SmartyPants.render(ERB::Util.html_escape(title)).scrub.strip
end
def normalize_text(text)
return nil unless text.present?
@html_entities.decode(normalize_charset(text.presence || "").scrub)
end
def normalize_charset(text)
return text if @encoding == Encoding::UTF_8
text && text.encode(@encoding).force_encoding(Encoding::UTF_8)
end
end
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