mirror of
https://github.com/discourse/discourse.git
synced 2024-11-23 09:17:08 +08:00
648 lines
20 KiB
Ruby
648 lines
20 KiB
Ruby
if ARGV.include?('bbcode-to-md')
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# Replace (most) bbcode with markdown before creating posts.
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# This will dramatically clean up the final posts in Discourse.
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#
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# In a temp dir:
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#
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# git clone https://github.com/nlalonde/ruby-bbcode-to-md.git
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# cd ruby-bbcode-to-md
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# gem build ruby-bbcode-to-md.gemspec
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# gem install ruby-bbcode-to-md-0.0.13.gem
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require 'ruby-bbcode-to-md'
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end
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require_relative '../../config/environment'
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require_dependency 'url_helper'
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require_dependency 'file_helper'
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module ImportScripts; end
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class ImportScripts::Base
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include ActionView::Helpers::NumberHelper
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def initialize
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preload_i18n
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@bbcode_to_md = true if ARGV.include?('bbcode-to-md')
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@existing_groups = {}
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@failed_groups = []
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@existing_users = {}
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@failed_users = []
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@categories_lookup = {}
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@existing_posts = {}
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@topic_lookup = {}
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@site_settings_during_import
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@old_site_settings = {}
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@start_time = Time.now
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puts "loading existing groups..."
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GroupCustomField.where(name: 'import_id').pluck(:group_id, :value).each do |group_id, import_id|
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@existing_groups[import_id] = group_id
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end
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puts "loading existing users..."
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UserCustomField.where(name: 'import_id').pluck(:user_id, :value).each do |user_id, import_id|
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@existing_users[import_id] = user_id
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end
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puts "loading existing categories..."
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CategoryCustomField.where(name: 'import_id').pluck(:category_id, :value).each do |category_id, import_id|
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@categories_lookup[import_id] = category_id
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end
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puts "loading existing posts..."
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PostCustomField.where(name: 'import_id').pluck(:post_id, :value).each do |post_id, import_id|
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@existing_posts[import_id] = post_id
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end
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puts "loading existing topics..."
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Post.joins(:topic).pluck("posts.id, posts.topic_id, posts.post_number, topics.slug").each do |p|
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@topic_lookup[p[0]] = {
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topic_id: p[1],
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post_number: p[2],
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url: Post.url(p[3], p[1], p[2]),
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}
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end
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end
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def preload_i18n
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I18n.t("test")
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ActiveSupport::Inflector.transliterate("test")
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end
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def perform
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Rails.logger.level = 3 # :error, so that we don't create log files that are many GB
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change_site_settings
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execute
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puts ""
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update_bumped_at
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update_last_posted_at
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update_last_seen_at
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update_feature_topic_users
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update_category_featured_topics
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update_topic_count_replies
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reset_topic_counters
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elapsed = Time.now - @start_time
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puts '', "Done (#{elapsed.to_s} seconds)"
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ensure
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reset_site_settings
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end
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def change_site_settings
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@site_settings_during_import = {
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email_domains_blacklist: '',
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min_topic_title_length: 1,
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min_post_length: 1,
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min_first_post_length: 1,
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min_private_message_post_length: 1,
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min_private_message_title_length: 1,
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allow_duplicate_topic_titles: true,
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disable_emails: true,
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authorized_extensions: '*'
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}
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@site_settings_during_import.each do |key, value|
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@old_site_settings[key] = SiteSetting.send(key)
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SiteSetting.set(key, value)
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end
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RateLimiter.disable
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end
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def reset_site_settings
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@old_site_settings.each do |key, value|
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current_value = SiteSetting.send(key)
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SiteSetting.set(key, value) unless current_value != @site_settings_during_import[key]
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end
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RateLimiter.enable
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end
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# Implementation will do most of its work in its execute method.
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# It will need to call create_users, create_categories, and create_posts.
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def execute
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raise NotImplementedError
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end
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# Get the Discourse Post id based on the id of the source record
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def post_id_from_imported_post_id(import_id)
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@existing_posts[import_id] || @existing_posts[import_id.to_s]
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end
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# Get the Discourse topic info (a hash) based on the id of the source record
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def topic_lookup_from_imported_post_id(import_id)
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post_id = post_id_from_imported_post_id(import_id)
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post_id ? @topic_lookup[post_id] : nil
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end
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# Get the Discourse Group id based on the id of the source group
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def group_id_from_imported_group_id(import_id)
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@existing_groups[import_id] || @existing_groups[import_id.to_s] || find_group_by_import_id(import_id).try(:id)
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end
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def find_group_by_import_id(import_id)
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GroupCustomField.where(name: 'import_id', value: import_id.to_s).first.try(:group)
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end
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# Get the Discourse User id based on the id of the source user
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def user_id_from_imported_user_id(import_id)
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@existing_users[import_id] || @existing_users[import_id.to_s] || find_user_by_import_id(import_id).try(:id)
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end
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def find_user_by_import_id(import_id)
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UserCustomField.where(name: 'import_id', value: import_id.to_s).first.try(:user)
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end
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# Get the Discourse Category id based on the id of the source category
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def category_id_from_imported_category_id(import_id)
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@categories_lookup[import_id] || @categories_lookup[import_id.to_s]
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end
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def create_admin(opts={})
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admin = User.new
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admin.email = opts[:email] || "sam.saffron@gmail.com"
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admin.username = opts[:username] || "sam"
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admin.password = SecureRandom.uuid
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admin.save!
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admin.grant_admin!
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admin.change_trust_level!(TrustLevel[4])
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admin.email_tokens.update_all(confirmed: true)
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admin
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end
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# Iterate through a list of groups to be imported.
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# Takes a collection and yields to the block for each element.
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# Block should return a hash with the attributes for each element.
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# Required fields are :id and :name, where :id is the id of the
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# group in the original datasource. The given id will not be used
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# to create the Discourse group record.
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def create_groups(results, opts={})
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groups_created = 0
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groups_skipped = 0
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total = opts[:total] || results.size
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results.each do |result|
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g = yield(result)
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if group_id_from_imported_group_id(g[:id])
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groups_skipped += 1
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else
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new_group = create_group(g, g[:id])
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if new_group.valid?
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@existing_groups[g[:id].to_s] = new_group.id
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groups_created += 1
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else
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@failed_groups << g
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puts "Failed to create group id #{g[:id]} #{new_group.name}: #{new_group.errors.full_messages}"
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end
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end
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print_status groups_created + groups_skipped + @failed_groups.length + (opts[:offset] || 0), total
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end
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return [groups_created, groups_skipped]
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end
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def create_group(opts, import_id)
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opts = opts.dup.tap {|o| o.delete(:id) }
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import_name = opts[:name]
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opts[:name] = UserNameSuggester.suggest(import_name)
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existing = Group.where(name: opts[:name]).first
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return existing if existing and existing.custom_fields["import_id"].to_i == import_id.to_i
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g = existing || Group.new(opts)
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g.custom_fields["import_id"] = import_id
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g.custom_fields["import_name"] = import_name
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g.tap(&:save)
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end
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# Iterate through a list of user records to be imported.
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# Takes a collection, and yields to the block for each element.
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# Block should return a hash with the attributes for the User model.
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# Required fields are :id and :email, where :id is the id of the
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# user in the original datasource. The given id will not be used to
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# create the Discourse user record.
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def create_users(results, opts={})
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users_created = 0
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users_skipped = 0
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total = opts[:total] || results.size
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results.each do |result|
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u = yield(result)
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# block returns nil to skip a user
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if u.nil?
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users_skipped += 1
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else
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import_id = u[:id]
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if user_id_from_imported_user_id(import_id)
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users_skipped += 1
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elsif u[:email].present?
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new_user = create_user(u, import_id)
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if new_user.valid?
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@existing_users[import_id.to_s] = new_user.id
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users_created += 1
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else
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@failed_users << u
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puts "Failed to create user id: #{import_id}, username: #{new_user.username}, email: #{new_user.email}: #{new_user.errors.full_messages}"
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end
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else
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@failed_users << u
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puts "Skipping user id #{import_id} because email is blank"
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end
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end
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print_status users_created + users_skipped + @failed_users.length + (opts[:offset] || 0), total
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end
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return [users_created, users_skipped]
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end
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def create_user(opts, import_id)
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opts.delete(:id)
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merge = opts.delete(:merge)
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post_create_action = opts.delete(:post_create_action)
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existing = User.where(email: opts[:email].downcase, username: opts[:username]).first
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return existing if existing && (merge || existing.custom_fields["import_id"].to_i == import_id.to_i)
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bio_raw = opts.delete(:bio_raw)
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website = opts.delete(:website)
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location = opts.delete(:location)
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avatar_url = opts.delete(:avatar_url)
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opts[:name] = User.suggest_name(opts[:email]) unless opts[:name]
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if opts[:username].blank? ||
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opts[:username].length < User.username_length.begin ||
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opts[:username].length > User.username_length.end ||
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opts[:username] =~ /[^A-Za-z0-9_]/ ||
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opts[:username][0] =~ /[^A-Za-z0-9]/ ||
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!User.username_available?(opts[:username])
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opts[:username] = UserNameSuggester.suggest(opts[:username] || opts[:name] || opts[:email])
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end
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opts[:email] = opts[:email].downcase
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opts[:trust_level] = TrustLevel[1] unless opts[:trust_level]
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opts[:active] = opts.fetch(:active, true)
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opts[:import_mode] = true
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opts[:last_emailed_at] = opts.fetch(:last_emailed_at, Time.now)
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u = User.new(opts)
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u.custom_fields["import_id"] = import_id
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u.custom_fields["import_username"] = opts[:username] if opts[:username].present?
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u.custom_fields["import_avatar_url"] = avatar_url if avatar_url.present?
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begin
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User.transaction do
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u.save!
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if bio_raw.present? || website.present? || location.present?
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u.user_profile.bio_raw = bio_raw if bio_raw.present?
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u.user_profile.website = website if website.present?
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u.user_profile.location = location if location.present?
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u.user_profile.save!
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end
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end
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rescue
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# try based on email
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existing = User.find_by(email: opts[:email].downcase)
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if existing
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existing.custom_fields["import_id"] = import_id
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existing.save!
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u = existing
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end
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end
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post_create_action.try(:call, u) if u.persisted?
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u # If there was an error creating the user, u.errors has the messages
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end
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# Iterates through a collection to create categories.
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# The block should return a hash with attributes for the new category.
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# Required fields are :id and :name, where :id is the id of the
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# category in the original datasource. The given id will not be used to
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# create the Discourse category record.
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# Optional attributes are position, description, and parent_category_id.
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def create_categories(results)
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results.each do |c|
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params = yield(c)
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# block returns nil to skip
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next if params.nil? || category_id_from_imported_category_id(params[:id])
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# Basic massaging on the category name
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params[:name] = "Blank" if params[:name].blank?
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params[:name].strip!
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params[:name] = params[:name][0..49]
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puts "\t#{params[:name]}"
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# make sure categories don't go more than 2 levels deep
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if params[:parent_category_id]
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top = Category.find_by_id(params[:parent_category_id])
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top = top.parent_category while top && !top.parent_category.nil?
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params[:parent_category_id] = top.id if top
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end
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new_category = create_category(params, params[:id])
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@categories_lookup[params[:id]] = new_category.id
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end
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end
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def create_category(opts, import_id)
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existing = Category.where("LOWER(name) = ?", opts[:name].downcase).first
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return existing if existing && existing.parent_category.try(:id) == opts[:parent_category_id]
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post_create_action = opts.delete(:post_create_action)
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new_category = Category.new(
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name: opts[:name],
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user_id: opts[:user_id] || opts[:user].try(:id) || -1,
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position: opts[:position],
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description: opts[:description],
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parent_category_id: opts[:parent_category_id]
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)
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new_category.custom_fields["import_id"] = import_id if import_id
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new_category.save!
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post_create_action.try(:call, new_category)
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new_category
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end
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def created_post(post)
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# override if needed
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end
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# Iterates through a collection of posts to be imported.
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# It can create topics and replies.
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# Attributes will be passed to the PostCreator.
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# Topics should give attributes title and category.
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# Replies should provide topic_id. Use topic_lookup_from_imported_post_id to find the topic.
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def create_posts(results, opts={})
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skipped = 0
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created = 0
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total = opts[:total] || results.size
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results.each do |r|
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params = yield(r)
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# block returns nil to skip a post
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if params.nil?
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skipped += 1
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else
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import_id = params.delete(:id).to_s
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if post_id_from_imported_post_id(import_id)
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skipped += 1 # already imported this post
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else
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begin
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new_post = create_post(params, import_id)
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if new_post.is_a?(Post)
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@existing_posts[import_id] = new_post.id
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@topic_lookup[new_post.id] = {
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post_number: new_post.post_number,
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topic_id: new_post.topic_id,
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url: new_post.url,
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}
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created_post(new_post)
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created += 1
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else
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skipped += 1
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puts "Error creating post #{import_id}. Skipping."
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puts new_post.inspect
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end
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rescue Discourse::InvalidAccess => e
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skipped += 1
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puts "InvalidAccess creating post #{import_id}. Topic is closed? #{e.message}"
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rescue => e
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skipped += 1
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puts "Exception while creating post #{import_id}. Skipping."
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puts e.message
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puts e.backtrace.join("\n")
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end
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end
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end
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print_status skipped + created + (opts[:offset] || 0), total
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end
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return [created, skipped]
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end
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def create_post(opts, import_id)
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user = User.find(opts[:user_id])
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post_create_action = opts.delete(:post_create_action)
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opts = opts.merge(skip_validations: true)
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opts[:import_mode] = true
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opts[:custom_fields] ||= {}
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opts[:custom_fields]['import_id'] = import_id
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if @bbcode_to_md
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opts[:raw] = opts[:raw].bbcode_to_md(false) rescue opts[:raw]
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end
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post_creator = PostCreator.new(user, opts)
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post = post_creator.create
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post_create_action.try(:call, post) if post
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post ? post : post_creator.errors.full_messages
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end
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# Creates an upload.
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# Expects path to be the full path and filename of the source file.
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def create_upload(user_id, path, source_filename)
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tmp = Tempfile.new('discourse-upload')
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src = File.open(path)
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FileUtils.copy_stream(src, tmp)
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src.close
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tmp.rewind
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Upload.create_for(user_id, tmp, source_filename, tmp.size)
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ensure
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tmp.close rescue nil
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tmp.unlink rescue nil
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end
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# Iterate through a list of bookmark records to be imported.
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# Takes a collection, and yields to the block for each element.
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# Block should return a hash with the attributes for the bookmark.
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# Required fields are :user_id and :post_id, where both ids are
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# the values in the original datasource.
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def create_bookmarks(results, opts={})
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bookmarks_created = 0
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bookmarks_skipped = 0
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total = opts[:total] || results.size
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user = User.new
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post = Post.new
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results.each do |result|
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params = yield(result)
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# only the IDs are needed, so this should be enough
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user.id = user_id_from_imported_user_id(params[:user_id])
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post.id = post_id_from_imported_post_id(params[:post_id])
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if user.id.nil? || post.id.nil?
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bookmarks_skipped += 1
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puts "Skipping bookmark for user id #{params[:user_id]} and post id #{params[:post_id]}"
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else
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begin
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PostAction.act(user, post, PostActionType.types[:bookmark])
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bookmarks_created += 1
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rescue PostAction::AlreadyActed
|
|
bookmarks_skipped += 1
|
|
end
|
|
|
|
print_status bookmarks_created + bookmarks_skipped + (opts[:offset] || 0), total
|
|
end
|
|
end
|
|
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[:moderator_action]}), 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
|
|
|
|
# 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
|
|
User.all.each do |user|
|
|
user.change_trust_level!(0) if Post.where(user_id: user.id).count == 0
|
|
end
|
|
end
|
|
|
|
def html_for_upload(upload, display_filename)
|
|
if FileHelper.is_image?(upload.url)
|
|
embedded_image_html(upload)
|
|
else
|
|
attachment_html(upload, display_filename)
|
|
end
|
|
end
|
|
|
|
def embedded_image_html(upload)
|
|
%Q[<img src="#{upload.url}" width="#{[upload.width, 640].compact.min}" height="#{[upload.height,480].compact.min}"><br/>]
|
|
end
|
|
|
|
def attachment_html(upload, display_filename)
|
|
"<a class='attachment' href='#{upload.url}'>#{display_filename}</a> (#{number_to_human_size(upload.filesize)})"
|
|
end
|
|
|
|
def print_status(current, max)
|
|
print "\r%9d / %d (%5.1f%%) " % [current, max, ((current.to_f / max.to_f) * 100).round(1)]
|
|
end
|
|
|
|
def batches(batch_size)
|
|
offset = 0
|
|
loop do
|
|
yield offset
|
|
offset += batch_size
|
|
end
|
|
end
|
|
end
|