457 lines
14 KiB
Ruby
457 lines
14 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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module ImportScripts; end
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class ImportScripts::Base
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def initialize
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require File.expand_path(File.dirname(__FILE__) + "/../../config/environment")
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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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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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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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CategoryCustomField.where(name: 'import_id').pluck(:category_id, :value).each do |category_id, import_id|
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@categories_lookup[import_id] = Category.find(category_id.to_i)
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end
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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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Post.pluck(:id, :topic_id, :post_number).each do |post_id,t,n|
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@topic_lookup[post_id] = {topic_id: t, post_number: n}
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end
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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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SiteSetting.email_domains_blacklist = ''
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SiteSetting.min_topic_title_length = 1
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SiteSetting.min_post_length = 1
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SiteSetting.min_private_message_post_length = 1
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SiteSetting.min_private_message_title_length = 1
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SiteSetting.allow_duplicate_topic_titles = true
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RateLimiter.disable
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execute
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update_bumped_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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puts '', 'Done'
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ensure
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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_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!(:regular)
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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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puts "", "creating groups"
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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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puts "", "creating users"
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num_users_before = User.count
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users_created = 0
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users_skipped = 0
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progress = 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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if u.nil?
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users_skipped += 1
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next # block returns nil to skip a post
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end
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if user_id_from_imported_user_id(u[: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, u[:id])
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if new_user.valid?
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@existing_users[u[: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 #{u[:id]} #{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 #{u[:id]} because email is blank"
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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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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 and 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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opts[:name] = User.suggest_name(opts[:name]) if opts[:name]
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opts[:username] = UserNameSuggester.suggest((opts[:username].present? ? opts[:username] : nil) || opts[:name] || opts[:email])
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opts[:email] = opts[:email].downcase
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opts[:trust_level] = TrustLevel.levels[:basic] unless opts[:trust_level]
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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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begin
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User.transaction do
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u.save!
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if bio_raw.present?
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u.user_profile.bio_raw = bio_raw
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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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puts "", "creating categories"
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results.each do |c|
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params = yield(c)
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puts " #{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
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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_from_imported_category_id(import_id)
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return existing if existing
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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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# 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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puts "", "creating posts"
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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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if params.nil?
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skipped += 1
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next # block returns nil to skip a post
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end
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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] = {post_number: new_post.post_number, topic_id: new_post.topic_id}
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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 => 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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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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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, File.size(tmp))
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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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def close_inactive_topics(opts={})
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num_days = opts[:days] || 30
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puts '', "Closing topics that have been inactive for more than #{num_days} days."
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query = Topic.where('last_posted_at < ?', num_days.days.ago).where(closed: false)
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total_count = query.count
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closed_count = 0
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query.find_each do |topic|
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topic.update_status('closed', true, Discourse.system_user)
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closed_count += 1
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print_status(closed_count, total_count)
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end
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end
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def update_bumped_at
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puts '', "updating bumped_at on topics"
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Post.exec_sql("update topics t set bumped_at = (select max(created_at) from posts where topic_id = t.id and post_type != #{Post.types[:moderator_action]})")
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end
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def update_feature_topic_users
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puts "updating featured topic users"
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total_count = Topic.count
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progress_count = 0
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Topic.find_each do |topic|
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topic.feature_topic_users
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progress_count += 1
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print_status(progress_count, total_count)
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end
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end
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def update_category_featured_topics
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puts '', "updating featured topics in categories"
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Category.find_each do |category|
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CategoryFeaturedTopic.feature_topics_for(category)
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end
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end
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def update_topic_count_replies
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puts "updating user topic reply counts"
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total_count = User.real.count
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progress_count = 0
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User.real.find_each do |u|
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u.user_stat.update_topic_reply_count
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u.user_stat.save!
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progress_count += 1
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print_status(progress_count, total_count)
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end
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end
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def print_status(current, max)
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print "\r%9d / %d (%5.1f%%) " % [current, max, ((current.to_f / max.to_f) * 100).round(1)]
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end
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def batches(batch_size)
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offset = 0
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loop do
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yield offset
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offset += batch_size
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end
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end
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end
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