discourse/script/import_scripts/base.rb

789 lines
23 KiB
Ruby

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_relative '../../config/environment'
require_relative 'base/lookup_container'
require_relative 'base/uploader'
module ImportScripts; end
class ImportScripts::Base
include ActionView::Helpers::NumberHelper
def initialize
preload_i18n
@lookup = ImportScripts::LookupContainer.new
@uploader = ImportScripts::Uploader.new
@bbcode_to_md = true if use_bbcode_to_md?
@site_settings_during_import = {}
@old_site_settings = {}
@start_times = {import: Time.now}
end
def preload_i18n
I18n.t("test")
ActiveSupport::Inflector.transliterate("test")
end
def perform
Rails.logger.level = 3 # :error, so that we don't create log files that are many GB
change_site_settings
execute
puts ""
update_bumped_at
update_last_posted_at
update_last_seen_at
update_user_stats
update_feature_topic_users
update_category_featured_topics
update_topic_count_replies
reset_topic_counters
elapsed = Time.now - @start_times[:import]
puts '', '', 'Done (%02dh %02dmin %02dsec)' % [elapsed/3600, elapsed/60%60, elapsed%60]
ensure
reset_site_settings
end
def get_site_settings_for_import
{
email_domains_blacklist: '',
min_topic_title_length: 1,
min_post_length: 1,
min_first_post_length: 1,
min_private_message_post_length: 1,
min_private_message_title_length: 1,
allow_duplicate_topic_titles: true,
disable_emails: true,
authorized_extensions: '*'
}
end
def change_site_settings
@site_settings_during_import = get_site_settings_for_import
@site_settings_during_import.each do |key, value|
@old_site_settings[key] = SiteSetting.send(key)
SiteSetting.set(key, value)
end
RateLimiter.disable
end
def reset_site_settings
@old_site_settings.each do |key, value|
current_value = SiteSetting.send(key)
SiteSetting.set(key, value) unless current_value != @site_settings_during_import[key]
end
RateLimiter.enable
end
def use_bbcode_to_md?
ARGV.include?("bbcode-to-md")
end
# Implementation will do most of its work in its execute method.
# It will need to call create_users, create_categories, and create_posts.
def execute
raise NotImplementedError
end
%i{ post_id_from_imported_post_id
topic_lookup_from_imported_post_id
group_id_from_imported_group_id
find_group_by_import_id
user_id_from_imported_user_id
find_user_by_import_id
category_id_from_imported_category_id
add_group add_user add_category add_topic add_post
}.each do |method_name|
delegate method_name, to: :@lookup
end
def create_admin(opts={})
admin = User.new
admin.email = opts[:email] || "sam.saffron@gmail.com"
admin.username = opts[:username] || "sam"
admin.password = SecureRandom.uuid
admin.save!
admin.grant_admin!
admin.change_trust_level!(TrustLevel[4])
admin.email_tokens.update_all(confirmed: true)
admin
end
def created_group(group)
# override if needed
end
# Iterate through a list of groups to be imported.
# Takes a collection and yields to the block for each element.
# Block should return a hash with the attributes for each element.
# Required fields are :id and :name, where :id is the id of the
# group in the original datasource. The given id will not be used
# to create the Discourse group record.
def create_groups(results, opts={})
created = 0
skipped = 0
failed = 0
total = opts[:total] || results.size
results.each do |result|
g = yield(result)
if group_id_from_imported_group_id(g[:id])
skipped += 1
else
new_group = create_group(g, g[:id])
created_group(new_group)
if new_group.valid?
add_group(g[:id].to_s, new_group)
created += 1
else
failed += 1
puts "Failed to create group id #{g[:id]} #{new_group.name}: #{new_group.errors.full_messages}"
end
end
print_status created + skipped + failed + (opts[:offset] || 0), total
end
[created, skipped]
end
def create_group(opts, import_id)
opts = opts.dup.tap {|o| o.delete(:id) }
import_name = opts[:name]
opts[:name] = UserNameSuggester.suggest(import_name)
existing = Group.where(name: opts[:name]).first
return existing if existing and existing.custom_fields["import_id"].to_i == import_id.to_i
g = existing || Group.new(opts)
g.custom_fields["import_id"] = import_id
g.custom_fields["import_name"] = import_name
g.tap(&:save)
end
def all_records_exist?(type, import_ids)
return false if import_ids.empty?
connection = ActiveRecord::Base.connection.raw_connection
connection.exec('CREATE TEMP TABLE import_ids(val text PRIMARY KEY)')
import_id_clause = import_ids.map { |id| "('#{PG::Connection.escape_string(id.to_s)}')" }.join(",")
connection.exec("INSERT INTO import_ids VALUES #{import_id_clause}")
existing = "#{type.to_s.classify}CustomField".constantize
existing = existing.where(name: 'import_id')
.joins('JOIN import_ids ON val = value')
.count
if existing == import_ids.length
puts "Skipping #{import_ids.length} already imported #{type}"
return true
end
ensure
connection.exec('DROP TABLE import_ids')
end
def created_user(user)
# override if needed
end
# Iterate through a list of user records to be imported.
# Takes a collection, and yields to the block for each element.
# Block should return a hash with the attributes for the User model.
# Required fields are :id and :email, where :id is the id of the
# user in the original datasource. The given id will not be used to
# create the Discourse user record.
def create_users(results, opts={})
created = 0
skipped = 0
failed = 0
total = opts[:total] || results.size
results.each do |result|
u = yield(result)
# block returns nil to skip a user
if u.nil?
skipped += 1
else
import_id = u[:id]
if user_id_from_imported_user_id(import_id)
skipped += 1
elsif u[:email].present?
new_user = create_user(u, import_id)
created_user(new_user)
if new_user && new_user.valid? && new_user.user_profile && new_user.user_profile.valid?
add_user(import_id.to_s, new_user)
created += 1
else
failed += 1
puts "Failed to create user id: #{import_id}, username: #{new_user.try(:username)}, email: #{new_user.try(:email)}"
if new_user.try(:errors)
puts "user errors: #{new_user.errors.full_messages}"
if new_user.try(:user_profile).try(:errors)
puts "user_profile errors: #{new_user.user_profile.errors.full_messages}"
end
end
end
else
failed += 1
puts "Skipping user id #{import_id} because email is blank"
end
end
print_status created + skipped + failed + (opts[:offset] || 0), total
end
[created, skipped]
end
def create_user(opts, import_id)
opts.delete(:id)
merge = opts.delete(:merge)
post_create_action = opts.delete(:post_create_action)
existing = User.where("email = ? OR username = ?", opts[:email].downcase, opts[:username]).first
return existing if existing && (merge || existing.custom_fields["import_id"].to_i == import_id.to_i)
bio_raw = opts.delete(:bio_raw)
website = opts.delete(:website)
location = opts.delete(:location)
avatar_url = opts.delete(:avatar_url)
original_username = opts[:username]
original_name = opts[:name]
# Allow the || operations to work with empty strings ''
opts[:username] = nil if opts[:username].blank?
opts[:name] = User.suggest_name(opts[:email]) unless opts[:name]
if opts[:username].blank? ||
opts[:username].length < User.username_length.begin ||
opts[:username].length > User.username_length.end ||
!User.username_available?(opts[:username]) ||
!UsernameValidator.new(opts[:username]).valid_format?
opts[:username] = UserNameSuggester.suggest(opts[:username] || opts[:name].presence || opts[:email])
end
opts[:name] = original_username if original_name.blank? && opts[:username] != original_username
opts[:email] = opts[:email].downcase
opts[:trust_level] = TrustLevel[1] unless opts[:trust_level]
opts[:active] = opts.fetch(:active, true)
opts[:import_mode] = true
opts[:last_emailed_at] = opts.fetch(:last_emailed_at, Time.now)
u = User.new(opts)
(opts[:custom_fields] || {}).each { |k, v| u.custom_fields[k] = v }
u.custom_fields["import_id"] = import_id
u.custom_fields["import_username"] = opts[:username] if original_username.present?
u.custom_fields["import_avatar_url"] = avatar_url if avatar_url.present?
u.custom_fields["import_pass"] = opts[:password] if opts[:password].present?
begin
User.transaction do
u.save!
if bio_raw.present? || website.present? || location.present?
u.user_profile.bio_raw = bio_raw[0..2999] if bio_raw.present?
u.user_profile.website = website unless website.blank? || website !~ UserProfile::WEBSITE_REGEXP
u.user_profile.location = location if location.present?
u.user_profile.save!
end
end
if opts[:active] && opts[:password].present?
u.activate
end
rescue => e
# try based on email
if e.try(:record).try(:errors).try(:messages).try(:[], :email).present?
if existing = User.find_by(email: opts[:email].downcase)
existing.custom_fields["import_id"] = import_id
existing.save!
u = existing
end
else
puts "Error on record: #{opts.inspect}"
raise e
end
end
post_create_action.try(:call, u) if u.persisted?
u # If there was an error creating the user, u.errors has the messages
end
def created_category(category)
# override if needed
end
# Iterates through a collection to create categories.
# The block should return a hash with attributes for the new category.
# Required fields are :id and :name, where :id is the id of the
# category in the original datasource. The given id will not be used to
# create the Discourse category record.
# Optional attributes are position, description, and parent_category_id.
def create_categories(results)
created = 0
skipped = 0
total = results.size
results.each do |c|
params = yield(c)
# block returns nil to skip
if params.nil? || category_id_from_imported_category_id(params[:id])
skipped += 1
else
# Basic massaging on the category name
params[:name] = "Blank" if params[:name].blank?
params[:name].strip!
params[:name] = params[:name][0..49]
# make sure categories don't go more than 2 levels deep
if params[:parent_category_id]
top = Category.find_by_id(params[:parent_category_id])
top = top.parent_category while top && !top.parent_category.nil?
params[:parent_category_id] = top.id if top
end
new_category = create_category(params, params[:id])
created_category(new_category)
created += 1
end
print_status created + skipped, total
end
[created, skipped]
end
def create_category(opts, import_id)
existing = Category.where("LOWER(name) = ?", opts[:name].downcase).first
return existing if existing && existing.parent_category.try(:id) == opts[:parent_category_id]
post_create_action = opts.delete(:post_create_action)
new_category = Category.new(
name: opts[:name],
user_id: opts[:user_id] || opts[:user].try(:id) || Discourse::SYSTEM_USER_ID,
position: opts[:position],
description: opts[:description],
parent_category_id: opts[:parent_category_id],
color: opts[:color] || "AB9364",
text_color: opts[:text_color] || "FFF",
read_restricted: opts[:read_restricted] || false,
)
new_category.custom_fields["import_id"] = import_id if import_id
new_category.save!
add_category(import_id, new_category)
post_create_action.try(:call, new_category)
new_category
end
def created_post(post)
# override if needed
end
# Iterates through a collection of posts to be imported.
# It can create topics and replies.
# Attributes will be passed to the PostCreator.
# Topics should give attributes title and category.
# Replies should provide topic_id. Use topic_lookup_from_imported_post_id to find the topic.
def create_posts(results, opts={})
skipped = 0
created = 0
total = opts[:total] || results.size
start_time = get_start_time("posts-#{total}") # the post count should be unique enough to differentiate between posts and PMs
results.each do |r|
params = yield(r)
# block returns nil to skip a post
if params.nil?
skipped += 1
else
import_id = params.delete(:id).to_s
if post_id_from_imported_post_id(import_id)
skipped += 1 # already imported this post
else
begin
new_post = create_post(params, import_id)
if new_post.is_a?(Post)
add_post(import_id, new_post)
add_topic(new_post)
created_post(new_post)
created += 1
else
skipped += 1
puts "Error creating post #{import_id}. Skipping."
puts new_post.inspect
end
rescue Discourse::InvalidAccess => e
skipped += 1
puts "InvalidAccess creating post #{import_id}. Topic is closed? #{e.message}"
rescue => e
skipped += 1
puts "Exception while creating post #{import_id}. Skipping."
puts e.message
puts e.backtrace.join("\n")
end
end
end
print_status(created + skipped + (opts[:offset] || 0), total, start_time)
end
[created, skipped]
end
STAFF_GUARDIAN ||= Guardian.new(Discourse.system_user)
def create_post(opts, import_id)
user = User.find(opts[:user_id])
post_create_action = opts.delete(:post_create_action)
opts = opts.merge(skip_validations: true)
opts[:import_mode] = true
opts[:custom_fields] ||= {}
opts[:custom_fields]['import_id'] = import_id
opts[:guardian] = STAFF_GUARDIAN
if @bbcode_to_md
opts[:raw] = opts[:raw].bbcode_to_md(false) rescue opts[:raw]
end
post_creator = PostCreator.new(user, opts)
post = post_creator.create
post_create_action.try(:call, post) if post
post ? post : post_creator.errors.full_messages
end
def create_upload(user_id, path, source_filename)
@uploader.create_upload(user_id, path, source_filename)
end
# Iterate through a list of bookmark records to be imported.
# Takes a collection, and yields to the block for each element.
# Block should return a hash with the attributes for the bookmark.
# Required fields are :user_id and :post_id, where both ids are
# the values in the original datasource.
def create_bookmarks(results, opts={})
created = 0
skipped = 0
total = opts[:total] || results.size
user = User.new
post = Post.new
results.each do |result|
params = yield(result)
# only the IDs are needed, so this should be enough
if params.nil?
skipped += 1
else
user.id = user_id_from_imported_user_id(params[:user_id])
post.id = post_id_from_imported_post_id(params[:post_id])
if user.id.nil? || post.id.nil?
skipped += 1
puts "Skipping bookmark for user id #{params[:user_id]} and post id #{params[:post_id]}"
else
begin
PostAction.act(user, post, PostActionType.types[:bookmark])
created += 1
rescue PostAction::AlreadyActed
skipped += 1
end
end
end
print_status created + skipped + (opts[:offset] || 0), total
end
[created, skipped]
end
def close_inactive_topics(opts={})
num_days = opts[:days] || 30
puts '', "Closing topics that have been inactive for more than #{num_days} days."
query = Topic.where('last_posted_at < ?', num_days.days.ago).where(closed: false)
total_count = query.count
closed_count = 0
query.find_each do |topic|
topic.update_status('closed', true, Discourse.system_user)
closed_count += 1
print_status(closed_count, total_count)
end
end
def update_bumped_at
puts "", "updating bumped_at on topics"
Post.exec_sql("update topics t set bumped_at = COALESCE((select max(created_at) from posts where topic_id = t.id and post_type = #{Post.types[:regular]}), bumped_at)")
end
def update_last_posted_at
puts "", "updating last posted at on users"
sql = <<-SQL
WITH lpa AS (
SELECT user_id, MAX(posts.created_at) AS last_posted_at
FROM posts
GROUP BY user_id
)
UPDATE users
SET last_posted_at = lpa.last_posted_at
FROM users u1
JOIN lpa ON lpa.user_id = u1.id
WHERE u1.id = users.id
AND users.last_posted_at <> lpa.last_posted_at
SQL
User.exec_sql(sql)
end
def update_user_stats
puts "", "Updating topic reply counts..."
start_time = Time.now
progress_count = 0
total_count = User.real.count
User.find_each do |u|
u.create_user_stat if u.user_stat.nil?
us = u.user_stat
us.update_topic_reply_count
us.save
progress_count += 1
print_status(progress_count, total_count, start_time)
end
puts "." "Updating first_post_created_at..."
sql = <<-SQL
WITH sub AS (
SELECT user_id, MIN(posts.created_at) AS first_post_created_at
FROM posts
GROUP BY user_id
)
UPDATE user_stats
SET first_post_created_at = sub.first_post_created_at
FROM user_stats u1
JOIN sub ON sub.user_id = u1.user_id
WHERE u1.user_id = user_stats.user_id
AND user_stats.first_post_created_at <> sub.first_post_created_at
SQL
User.exec_sql(sql)
puts "Updating user post_count..."
sql = <<-SQL
WITH sub AS (
SELECT user_id, COUNT(*) AS post_count
FROM posts
GROUP BY user_id
)
UPDATE user_stats
SET post_count = sub.post_count
FROM user_stats u1
JOIN sub ON sub.user_id = u1.user_id
WHERE u1.user_id = user_stats.user_id
AND user_stats.post_count <> sub.post_count
SQL
User.exec_sql(sql)
puts "Updating user topic_count..."
sql = <<-SQL
WITH sub AS (
SELECT user_id, COUNT(*) AS topic_count
FROM topics
GROUP BY user_id
)
UPDATE user_stats
SET topic_count = sub.topic_count
FROM user_stats u1
JOIN sub ON sub.user_id = u1.user_id
WHERE u1.user_id = user_stats.user_id
AND user_stats.topic_count <> sub.topic_count
SQL
User.exec_sql(sql)
end
# scripts that are able to import last_seen_at from the source data should override this method
def update_last_seen_at
puts "", "updating last seen at on users"
User.exec_sql("UPDATE users SET last_seen_at = created_at WHERE last_seen_at IS NULL")
User.exec_sql("UPDATE users SET last_seen_at = last_posted_at WHERE last_posted_at IS NOT NULL")
end
def update_feature_topic_users
puts "", "updating featured topic users"
total_count = Topic.count
progress_count = 0
Topic.find_each do |topic|
topic.feature_topic_users
progress_count += 1
print_status(progress_count, total_count)
end
end
def reset_topic_counters
puts "", "resetting topic counters"
total_count = Topic.count
progress_count = 0
Topic.find_each do |topic|
Topic.reset_highest(topic.id)
progress_count += 1
print_status(progress_count, total_count)
end
end
def update_category_featured_topics
puts "", "updating featured topics in categories"
total_count = Category.count
progress_count = 0
Category.find_each do |category|
CategoryFeaturedTopic.feature_topics_for(category)
progress_count += 1
print_status(progress_count, total_count)
end
end
def update_topic_count_replies
puts "", "updating user topic reply counts"
total_count = User.real.count
progress_count = 0
User.real.find_each do |u|
u.user_stat.update_topic_reply_count
u.user_stat.save!
progress_count += 1
print_status(progress_count, total_count)
end
end
def update_tl0
puts "", "setting users with no posts to trust level 0"
total_count = User.count
progress_count = 0
User.includes(:user_stat).find_each do |user|
begin
user.update_columns(trust_level: 0) if user.trust_level > 0 && user.post_count == 0
rescue Discourse::InvalidAccess
nil
end
progress_count += 1
print_status(progress_count, total_count)
end
end
def update_user_signup_date_based_on_first_post
puts "", "setting users' signup date based on the date of their first post"
total_count = User.count
progress_count = 0
User.find_each do |user|
first = user.posts.order('created_at ASC').first
if first
user.created_at = first.created_at
user.save!
end
progress_count += 1
print_status(progress_count, total_count)
end
end
def html_for_upload(upload, display_filename)
@uploader.html_for_upload(upload, display_filename)
end
def embedded_image_html(upload)
@uploader.embedded_image_html(upload)
end
def attachment_html(upload, display_filename)
@uploader.attachment_html(upload, display_filename)
end
def print_status(current, max, start_time = nil)
if start_time.present?
elapsed_seconds = Time.now - start_time
elements_per_minute = '[%.0f items/min] ' % [current / elapsed_seconds.to_f * 60]
else
elements_per_minute = ''
end
print "\r%9d / %d (%5.1f%%) %s" % [current, max, current / max.to_f * 100, elements_per_minute]
end
def print_spinner
@spinner_chars ||= %w{ | / - \\ }
@spinner_chars.push @spinner_chars.shift
print "\b#{@spinner_chars[0]}"
end
def get_start_time(key)
@start_times.fetch(key) {|k| @start_times[k] = Time.now}
end
def batches(batch_size)
offset = 0
loop do
yield offset
offset += batch_size
end
end
end