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FEATURE: migrate vanilla importer to new import architecture
This commit is contained in:
Régis Hanol
parent
ec6ba68098
commit
d0095ce041
3 changed files with 253 additions and 365 deletions
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@ -1,354 +0,0 @@
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require "csv"
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class Vanilla < Thor
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desc "import", "Imports posts from a Vanilla export"
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method_option :file, aliases: '-f', required: true, desc: "The vanilla file to import"
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def import
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unless File.exist?(options[:file])
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puts "File '#{options[:file]}' not found"
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exit 1
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end
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load_rails
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file = read_file(options[:file])
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parse_file(file)
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disable_rate_limiter
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create_users
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create_user_memberships
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create_categories
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create_topics
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create_posts
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update_topic_statuses
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create_private_topics
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create_private_posts
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ensure
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enable_rate_limiter
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end
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no_commands do
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def load_rails
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puts "loading rails..."
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require "./config/environment"
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end
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def disable_rate_limiter
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puts "disabling rate limiter..."
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RateLimiter.disable
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end
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def read_file(file)
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puts "reading file..."
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string = File.read(file).gsub("\\N", "").gsub(/\\$\n/m, "\\n").gsub("\\,", ",").gsub(/(?<!\\)\\"/, '""').gsub(/\\\\\\"/, '\\""')
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StringIO.new(string)
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end
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def parse_file(file)
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# TODO: parse header & validate version number
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header = file.readline
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until file.eof?
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line = file.readline
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next if line.blank?
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next if line.start_with?("//")
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if m = /^Table: (\w+)/.match(line)
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# extract table name
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table = m[1]
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# read the data until an empty line
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data = []
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# first line is the table definition, turn that into a proper csv header
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data << file.readline.split(",").map { |c| c.split(":")[0].underscore }.join(",")
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until (line = file.readline).blank?
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data << line.strip
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end
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# parse the data
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puts "parsing #{table.underscore.pluralize}..."
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parsed_data = CSV.parse(data.join("\n"), headers: true, header_converters: :symbol).map { |row| row.to_hash }
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instance_variable_set("@#{table.underscore.pluralize}".to_sym, parsed_data)
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end
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end
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end
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def create_users
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puts "creating users..."
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users_created = 0
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@users.each do |user|
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begin
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next if user[:name] == "[Deleted User]"
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user[:new_id] = User.create!(
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name: user[:name],
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email: user[:email],
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username: UserNameSuggester.suggest(user[:name]),
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created_at: DateTime.strptime(user[:date_inserted], "%Y-%m-%d %H:%M:%S"),
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trust_level: TrustLevel.levels[:basic],
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bio_raw: clean_up(user[:discovery_text])
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).id
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users_created += 1
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rescue ActiveRecord::RecordInvalid
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# email has already been taken...
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end
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end
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puts "created #{users_created} users!"
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end
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def create_user_memberships
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puts "creating user memberships..."
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add_administrators
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add_moderators
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end
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def add_administrators
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puts "granting admin rights..."
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admin_role_id = @roles.select { |r| r[:name] == "Administrator" }.first[:role_id]
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admin_emails = @user_roles.select { |ur| ur[:role_id] == admin_role_id }.map { |ur| @users.select { |u| u[:user_id] == ur[:user_id] }.first[:email] }
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admin_emails.each { |admin_email| User.where(email: admin_email).first.grant_admin! }
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puts "#{admin_emails.size} admins!"
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end
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def add_moderators
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puts "granting moderation rights..."
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moderator_role_id = @roles.select { |r| r[:name] == "Moderator" }.first[:role_id]
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moderator_emails = @user_roles.select { |ur| ur[:role_id] == moderator_role_id }.map { |ur| @users.select { |u| u[:user_id] == ur[:user_id] }.first[:email] }
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moderator_emails.each { |admin_email| User.where(email: admin_email).first.grant_moderation! }
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puts "#{moderator_emails.size} moderators!"
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end
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def create_categories
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puts "creating categories..."
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categories_created = 0
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level_1_category_ids = Set.new
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# save some information about the root category
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@root_category = @categories.select { |c| c[:category_id] == "-1" }.first
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@root_category_created_at = DateTime.strptime(@root_category[:date_inserted], "%Y-%m-%d %H:%M:%S")
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# removes root category
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@categories.reject! { |c| c[:category_id] == "-1" }
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# adds root's child categories
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@categories.select { |c| c[:parent_category_id] == "-1" }.each do |category|
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level_1_category_ids << category[:category_id].to_i
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category[:new_id] = create_category(category)
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categories_created += 1
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end
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# adds other categories
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@categories.select { |c| level_1_category_ids.include? c[:parent_category_id].to_i }.each do |category|
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new_parent_category_id = @categories.select { |c| c[:category_id] == category[:parent_category_id] }.first[:new_id]
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category[:new_id] = create_category(category, new_parent_category_id)
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categories_created += 1
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end
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puts "created #{categories_created} categories!"
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end
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def create_category(category, new_parent_category_id=nil)
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new_category = Category.create!(
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name: category[:name],
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color: "AB9364",
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text_color: "FFF",
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position: category[:sort].to_i,
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user: get_user_by_previous_id(category[:insert_user_id]) || Discourse.system_user,
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created_at: parse_category_date(category[:date_inserted]),
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description: clean_up(category[:description]),
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parent_category_id: new_parent_category_id
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)
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# return the new category id
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new_category.id
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end
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def parse_category_date(date)
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date == "0000-00-00 00:00:00" ? @root_category_created_at : DateTime.strptime(date, "%Y-%m-%d %H:%M:%S")
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end
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def create_topics
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puts "creating topics..."
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topics_created = 0
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@discussions.each do |discussion|
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user = get_user_by_previous_id(discussion[:insert_user_id]) || Discourse.system_user
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discussion[:created_at] = DateTime.strptime(discussion[:date_inserted], "%Y-%m-%d %H:%M:%S")
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options = {
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title: discussion[:name],
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raw: clean_up(discussion[:body]),
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created_at: discussion[:created_at],
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skip_validations: true
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}
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options[:category] = get_category_by_previous_id(discussion[:category_id]).try(:name) if discussion[:category_id]
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post = PostCreator.new(user, options).create
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discussion[:new_id] = post.topic.id
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topics_created += 1
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end
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puts "created #{topics_created} topics!"
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end
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def create_posts
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puts "creating posts..."
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posts_created = 0
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@comments.each do |comment|
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discussion = @discussions.select { |d| d[:discussion_id] == comment[:discussion_id] }.first
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unless discussion && discussion[:new_id]
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puts "could not find discussion ##{comment[:discussion_id]}"
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next
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end
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topic_id = discussion[:new_id]
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user = get_user_by_previous_id(comment[:insert_user_id]) || Discourse.system_user
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options = {
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topic_id: topic_id,
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raw: clean_up(comment[:body]),
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created_at: DateTime.strptime(comment[:date_inserted], "%Y-%m-%d %H:%M:%S"),
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skip_validations: true
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}
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post = PostCreator.new(user, options).create
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comment[:new_id] = post.id
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posts_created += 1
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end
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puts "created #{posts_created} posts!"
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end
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def update_topic_statuses
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puts "updating topic statuses..."
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@discussions.each do |discussion|
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next unless topic_id = discussion[:new_id]
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# HACK: make sure both bumped_at and last_posted_at are properly set
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sql = <<-SQL
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UPDATE topics
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SET views = :views,
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closed = :closed,
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pinned_at = :pinned_at,
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last_posted_at = (SELECT MAX(created_at) FROM posts WHERE topic_id = :topic_id),
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bumped_at = (SELECT MAX(created_at) FROM posts WHERE topic_id = :topic_id)
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WHERE id = :topic_id
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SQL
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Topic.exec_sql(sql,
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views: discussion[:count_views].to_i,
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closed: discussion[:closed] == "1",
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pinned_at: discussion[:announce] == "1" ? discussion[:created_at] : nil,
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topic_id: topic_id
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)
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end
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end
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def create_private_topics
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puts "creating private topics..."
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private_topics_created = 0
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@conversations.each do |conversation|
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# select the first conversation message
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message = @conversation_messages.select { |cm| cm[:message_id] == conversation[:first_message_id] }.first
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# list all other user ids in the conversation
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user_ids_in_conversation = @user_conversations.select { |uc| uc[:conversation_id] == conversation[:conversation_id] && uc[:user_id] != conversation[:insert_user_id] }.map { |uc| uc[:user_id] }
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# retrieve their emails
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user_emails_in_conversation = @users.select { |u| user_ids_in_conversation.include?(u[:user_id]) }.map { |u| u[:email] }
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# retrieve their usernames from the database
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target_usernames = User.where("email in (?)", user_emails_in_conversation).pluck(:username).to_a
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next if target_usernames.empty?
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user = get_user_by_previous_id(conversation[:insert_user_id]) || Discourse.system_user
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options = {
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archetype: Archetype::private_message,
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title: "Private message from #{user.username}",
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raw: clean_up(message[:body]),
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target_usernames: target_usernames.join(","),
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created_at: DateTime.strptime(conversation[:date_inserted], "%Y-%m-%d %H:%M:%S"),
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skip_validations: true
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}
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post = PostCreator.new(user, options).create
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conversation[:new_id] = post.topic.id
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private_topics_created += 1
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end
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puts "created #{private_topics_created} private topics!"
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end
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def create_private_posts
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puts "creating private posts..."
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private_posts_created = 0
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@conversation_messages.each do |message|
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conversation = @conversations.select { |c| c[:conversation_id] == message[:conversation_id] }.first
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next if conversation[:first_message_id] == message[:message_id]
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next unless topic_id = conversation[:new_id]
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user = get_user_by_previous_id(message[:insert_user_id]) || Discourse.system_user
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options = {
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topic_id: topic_id,
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raw: clean_up(message[:body]),
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created_at: DateTime.strptime(message[:date_inserted], "%Y-%m-%d %H:%M:%S"),
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skip_validations: true
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}
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post = PostCreator.new(user, options).create
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next unless post && post.errors.empty?
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message[:new_id] = post.id
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private_posts_created += 1
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end
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puts "created #{private_posts_created} private posts!"
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end
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def get_user_by_previous_id(previous_id)
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user = @users.select { |u| u[:user_id] == previous_id }.first
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User.find(user[:new_id]) if user && user[:new_id]
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end
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def get_category_by_previous_id(previous_id)
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category = @categories.select { |c| c[:category_id] == previous_id }.first
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Category.find(category[:new_id]) if category && category[:new_id]
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end
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def clean_up(raw)
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(raw || "").gsub("\\n", "\n")
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.gsub(/<\/?pre\s*>/i, "\n```\n")
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.gsub(/<\/?code\s*>/i, "`")
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.gsub("<", "<")
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.gsub(">", ">")
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end
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def enable_rate_limiter
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puts "enabling rate limiter..."
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RateLimiter.enable
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end
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end
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end
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@ -23,8 +23,8 @@ class ImportScripts::Base
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@failed_groups = []
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@existing_users = {}
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@failed_users = []
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@categories = {}
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@posts = {}
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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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@ -36,11 +36,11 @@ class ImportScripts::Base
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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[import_id] = Category.find(category_id.to_i)
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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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@posts[import_id] = post_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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@ -81,7 +81,7 @@ class ImportScripts::Base
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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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@posts[import_id] || @posts[import_id.to_s]
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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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@ -110,7 +110,7 @@ class ImportScripts::Base
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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[import_id] || @categories[import_id.to_s]
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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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@ -132,6 +132,8 @@ class ImportScripts::Base
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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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@ -180,6 +182,8 @@ class ImportScripts::Base
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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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@ -189,6 +193,11 @@ class ImportScripts::Base
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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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@ -271,7 +280,7 @@ class ImportScripts::Base
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end
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new_category = create_category(params, params[:id])
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@categories[params[:id]] = new_category
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@categories_lookup[params[:id]] = new_category
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end
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end
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@ -282,7 +291,7 @@ class ImportScripts::Base
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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: -1,
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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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@ -299,6 +308,8 @@ class ImportScripts::Base
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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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@ -319,7 +330,7 @@ class ImportScripts::Base
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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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@posts[import_id] = new_post.id
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@existing_posts[import_id] = new_post.id
|
||||
@topic_lookup[new_post.id] = {post_number: new_post.post_number, topic_id: new_post.topic_id}
|
||||
|
||||
created += 1
|
||||
|
|
@ -330,7 +341,7 @@ class ImportScripts::Base
|
|||
end
|
||||
rescue => e
|
||||
skipped += 1
|
||||
puts "Error creating post #{import_id}. Skipping."
|
||||
puts "Exception while creating post #{import_id}. Skipping."
|
||||
puts e.message
|
||||
rescue Discourse::InvalidAccess => e
|
||||
skipped += 1
|
||||
|
|
|
|||
|
|
@ -1 +1,232 @@
|
|||
# TODO: need to migrate it from https://github.com/discourse/discourse/blob/master/lib/tasks/vanilla.thor
|
||||
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
|
||||
require "csv"
|
||||
|
||||
class ImportScripts::Vanilla < ImportScripts::Base
|
||||
|
||||
def initialize
|
||||
super
|
||||
|
||||
@vanilla_file = ARGV[0]
|
||||
raise ArgumentError.new('Vanilla file argument missing. Provide full path to vanilla csv file.') if @vanilla_file.blank?
|
||||
end
|
||||
|
||||
def execute
|
||||
check_file_exist
|
||||
parse_file
|
||||
|
||||
import_users
|
||||
import_categories
|
||||
|
||||
import_topics
|
||||
import_posts
|
||||
|
||||
import_private_topics
|
||||
import_private_posts
|
||||
end
|
||||
|
||||
private
|
||||
|
||||
def check_file_exist
|
||||
raise ArgumentError.new("File does not exist: #{@vanilla_file}") unless File.exist?(@vanilla_file)
|
||||
end
|
||||
|
||||
def parse_file
|
||||
puts "parsing file..."
|
||||
file = read_file
|
||||
|
||||
# TODO: parse header & validate version number
|
||||
header = file.readline
|
||||
|
||||
until file.eof?
|
||||
line = file.readline
|
||||
next if line.blank?
|
||||
next if line.start_with?("//")
|
||||
|
||||
if m = /^Table: (\w+)/.match(line)
|
||||
# extract table name
|
||||
table = m[1].underscore.pluralize
|
||||
# read the data until an empty line
|
||||
data = []
|
||||
# first line is the table definition, turn that into a proper csv header
|
||||
data << file.readline.split(",").map { |c| c.split(":")[0].underscore }.join(",")
|
||||
until (line = file.readline).blank?
|
||||
data << line.strip
|
||||
end
|
||||
# PERF: don't parse useless tables
|
||||
next if ["activities", "user_meta"].include? table
|
||||
# parse the data
|
||||
puts "parsing #{table}..."
|
||||
parsed_data = CSV.parse(data.join("\n"), headers: true, header_converters: :symbol).map { |row| row.to_hash }
|
||||
instance_variable_set("@#{table}".to_sym, parsed_data)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def read_file
|
||||
puts "reading file..."
|
||||
string = File.read(@vanilla_file).gsub("\\N", "")
|
||||
.gsub(/\\$\n/m, "\\n")
|
||||
.gsub("\\,", ",")
|
||||
.gsub(/(?<!\\)\\"/, '""')
|
||||
.gsub(/\\\\\\"/, '\\""')
|
||||
StringIO.new(string)
|
||||
end
|
||||
|
||||
def import_users
|
||||
admin_role_id = @roles.select { |r| r[:name] == "Administrator" }.first[:role_id]
|
||||
moderator_role_id = @roles.select { |r| r[:name] == "Moderator" }.first[:role_id]
|
||||
|
||||
create_users(@users) do |user|
|
||||
next if user[:name] == "[Deleted User]"
|
||||
|
||||
{
|
||||
id: user[:user_id],
|
||||
email: user[:email],
|
||||
name: user[:name],
|
||||
created_at: parse_date(user[:date_inserted]),
|
||||
bio_raw: clean_up(user[:discovery_text]),
|
||||
moderator: @user_roles.select { |ur| ur[:user_id] == user[:user_id] }.map { |ur| ur[:role_id] }.include?(moderator_role_id),
|
||||
admin: @user_roles.select { |ur| ur[:user_id] == user[:user_id] }.map { |ur| ur[:role_id] }.include?(admin_role_id),
|
||||
}
|
||||
end
|
||||
end
|
||||
|
||||
def import_categories
|
||||
# save some information about the root category
|
||||
@root_category = @categories.select { |c| c[:category_id] == "-1" }.first
|
||||
@root_category_created_at = parse_date(@root_category[:date_inserted])
|
||||
|
||||
# removes root category
|
||||
@categories.reject! { |c| c[:category_id] == "-1" }
|
||||
|
||||
# adds root's child categories
|
||||
first_level_categories = @categories.select { |c| c[:parent_category_id] == "-1" }
|
||||
if first_level_categories.count > 0
|
||||
puts "", "importing first-level categories..."
|
||||
create_categories(first_level_categories) { |category| import_category(category) }
|
||||
|
||||
# adds other categories
|
||||
second_level_categories = @categories.select { |c| c[:parent_category_id] != "-1" }
|
||||
if second_level_categories.count > 0
|
||||
puts "", "importing second-level categories..."
|
||||
create_categories(second_level_categories) { |category| import_category(category) }
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def import_category(category)
|
||||
c = {
|
||||
id: category[:category_id],
|
||||
name: category[:name],
|
||||
user_id: user_id_from_imported_user_id(category[:insert_user_id]),
|
||||
position: category[:sort].to_i,
|
||||
created_at: parse_category_date(category[:date_inserted]),
|
||||
description: clean_up(category[:description]),
|
||||
}
|
||||
if category[:parent_category_id] != "-1"
|
||||
parent_category = category_from_imported_category_id(category[:parent_category_id].to_i)
|
||||
c[:parent_category_id] = parent_category[:id] if parent_category
|
||||
end
|
||||
c
|
||||
end
|
||||
|
||||
def parse_category_date(date)
|
||||
date == "0000-00-00 00:00:00" ? @root_category_created_at : parse_date(date)
|
||||
end
|
||||
|
||||
def import_topics
|
||||
puts "", "importing topics..."
|
||||
|
||||
create_posts(@discussions) do |discussion|
|
||||
{
|
||||
id: "discussion#" + discussion[:discussion_id],
|
||||
user_id: user_id_from_imported_user_id(discussion[:insert_user_id]),
|
||||
title: discussion[:name],
|
||||
category_id: category_from_imported_category_id(discussion[:category_id]).try(:id),
|
||||
raw: clean_up(discussion[:body]),
|
||||
created_at: parse_date(discussion[:date_inserted]),
|
||||
}
|
||||
end
|
||||
end
|
||||
|
||||
def import_posts
|
||||
puts "", "importing posts..."
|
||||
|
||||
create_posts(@comments) do |comment|
|
||||
next unless t = topic_lookup_from_imported_post_id("discussion#" + comment[:discussion_id])
|
||||
|
||||
{
|
||||
id: "comment#" + comment[:comment_id],
|
||||
user_id: user_id_from_imported_user_id(comment[:insert_user_id]),
|
||||
topic_id: t[:topic_id],
|
||||
raw: clean_up(comment[:body]),
|
||||
created_at: parse_date(comment[:date_inserted]),
|
||||
}
|
||||
end
|
||||
end
|
||||
|
||||
def import_private_topics
|
||||
puts "", "importing private topics..."
|
||||
|
||||
create_posts(@conversations) do |conversation|
|
||||
# list all other user ids in the conversation
|
||||
user_ids_in_conversation = @user_conversations.select { |uc| uc[:conversation_id] == conversation[:conversation_id] && uc[:user_id] != conversation[:insert_user_id] }
|
||||
.map { |uc| uc[:user_id] }
|
||||
# retrieve their emails
|
||||
user_emails_in_conversation = @users.select { |u| user_ids_in_conversation.include?(u[:user_id]) }
|
||||
.map { |u| u[:email] }
|
||||
# retrieve their usernames from the database
|
||||
target_usernames = User.where("email IN (?)", user_emails_in_conversation).pluck(:username).to_a
|
||||
|
||||
next if target_usernames.blank?
|
||||
|
||||
user = find_user_by_import_id(conversation[:insert_user_id]) || Discourse.system_user
|
||||
first_message = @conversation_messages.select { |cm| cm[:message_id] == conversation[:first_message_id] }.first
|
||||
|
||||
{
|
||||
archetype: Archetype.private_message,
|
||||
id: "conversation#" + conversation[:conversation_id],
|
||||
user_id: user.id,
|
||||
title: "Private message from #{user.username}",
|
||||
target_usernames: target_usernames,
|
||||
raw: clean_up(first_message[:body]),
|
||||
created_at: parse_date(conversation[:date_inserted]),
|
||||
}
|
||||
end
|
||||
end
|
||||
|
||||
def import_private_posts
|
||||
puts "", "importing private posts..."
|
||||
|
||||
first_message_ids = Set.new(@conversations.map { |c| c[:first_message_id] }.to_a)
|
||||
@conversation_messages.reject! { |cm| first_message_ids.include?(cm[:message_id]) }
|
||||
|
||||
create_posts(@conversation_messages) do |message|
|
||||
next unless t = topic_lookup_from_imported_post_id("conversation#" + message[:conversation_id])
|
||||
|
||||
{
|
||||
archetype: Archetype.private_message,
|
||||
id: "message#" + message[:message_id],
|
||||
user_id: user_id_from_imported_user_id(message[:insert_user_id]),
|
||||
topic_id: t[:topic_id],
|
||||
raw: clean_up(message[:body]),
|
||||
created_at: parse_date(message[:date_inserted]),
|
||||
}
|
||||
end
|
||||
end
|
||||
|
||||
def parse_date(date)
|
||||
DateTime.strptime(date, "%Y-%m-%d %H:%M:%S")
|
||||
end
|
||||
|
||||
def clean_up(raw)
|
||||
(raw || "").gsub("\\n", "\n")
|
||||
.gsub(/<\/?pre\s*>/i, "\n```\n")
|
||||
.gsub(/<\/?code\s*>/i, "`")
|
||||
.gsub("<", "<")
|
||||
.gsub(">", ">")
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
ImportScripts::Vanilla.new.perform
|
||||
|
|
|
|||
Loading…
Reference in a new issue