559 lines
18 KiB
Ruby
Executable File
559 lines
18 KiB
Ruby
Executable File
# frozen_string_literal: true
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require "mysql2"
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begin
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require "php_serialize" # https://github.com/jqr/php-serialize
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rescue LoadError
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puts
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puts "php_serialize not found."
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puts "Add to Gemfile, like this: "
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puts
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puts "echo gem \\'php-serialize\\' >> Gemfile"
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puts "bundle install"
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exit
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end
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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# Call it like this:
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# RAILS_ENV=production bundle exec ruby script/import_scripts/xenforo.rb
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class ImportScripts::XenForo < ImportScripts::Base
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XENFORO_DB = "xenforo_db"
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TABLE_PREFIX = "xf_"
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BATCH_SIZE = 1000
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ATTACHMENT_DIR = "/tmp/attachments"
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def initialize
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super
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@client =
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Mysql2::Client.new(
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host: "localhost",
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username: "root",
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password: "pa$$word",
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database: XENFORO_DB,
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)
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@category_mappings = {}
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@prefix_as_category = false
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end
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def execute
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import_users
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import_categories
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import_posts
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import_private_messages
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import_likes
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end
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def import_avatar(id, imported_user)
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filename = File.join(AVATAR_DIR, "l", (id / 1000).to_s, "#{id}.jpg")
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return nil unless File.exist?(filename)
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upload = create_upload(imported_user.id, filename, "avatar_#{id}")
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return if !upload.persisted?
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imported_user.create_user_avatar
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imported_user.user_avatar.update(custom_upload_id: upload.id)
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imported_user.update(uploaded_avatar_id: upload.id)
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end
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def import_users
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puts "", "creating users"
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total_count =
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mysql_query(
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"SELECT count(*) count FROM #{TABLE_PREFIX}user WHERE user_state = 'valid' AND is_banned = 0;",
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).first[
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"count"
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]
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batches(BATCH_SIZE) do |offset|
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results =
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mysql_query(
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"SELECT user_id id, username, email, custom_title title, register_date created_at,
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last_activity last_visit_time, user_group_id, is_moderator, is_admin, is_staff
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FROM #{TABLE_PREFIX}user
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WHERE user_state = 'valid' AND is_banned = 0
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};",
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)
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break if results.size < 1
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next if all_records_exist? :users, results.map { |u| u["id"].to_i }
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create_users(results, total: total_count, offset: offset) do |user|
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next if user["username"].blank?
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{
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id: user["id"],
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email: user["email"],
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username: user["username"],
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title: user["title"],
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created_at: Time.zone.at(user["created_at"]),
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last_seen_at: Time.zone.at(user["last_visit_time"]),
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moderator: user["is_moderator"] == 1 || user["is_staff"] == 1,
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admin: user["is_admin"] == 1,
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post_create_action: proc { |u| import_avatar(user["id"], u) },
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}
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end
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end
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end
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def import_categories
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puts "", "importing categories..."
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categories =
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mysql_query(
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"
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SELECT node_id id,
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title,
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description,
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parent_node_id,
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node_name,
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display_order
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FROM #{TABLE_PREFIX}node
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ORDER BY parent_node_id, display_order
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",
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).to_a
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top_level_categories = categories.select { |c| c["parent_node_id"] == 0 }
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create_categories(top_level_categories) do |c|
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{
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id: c["id"],
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name: c["title"],
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description: c["description"],
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position: c["display_order"],
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post_create_action:
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proc do |category|
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url = "board/#{c["node_name"]}"
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Permalink.find_or_create_by(url: url, category_id: category.id)
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end,
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}
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end
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top_level_category_ids = Set.new(top_level_categories.map { |c| c["id"] })
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subcategories = categories.select { |c| top_level_category_ids.include?(c["parent_node_id"]) }
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create_categories(subcategories) do |c|
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{
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id: c["id"],
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name: c["title"],
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description: c["description"],
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position: c["display_order"],
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parent_category_id: category_id_from_imported_category_id(c["parent_node_id"]),
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post_create_action:
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proc do |category|
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url = "board/#{c["node_name"]}"
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Permalink.find_or_create_by(url: url, category_id: category.id)
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end,
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}
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end
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subcategory_ids = Set.new(subcategories.map { |c| c["id"] })
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# deeper categories need to be tags
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categories.each do |c|
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next if c["parent_node_id"] == 0
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next if top_level_category_ids.include?(c["id"])
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next if subcategory_ids.include?(c["id"])
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# Find a subcategory for topics in this category
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parent = c
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while !parent.nil? && !subcategory_ids.include?(parent["id"])
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parent = categories.find { |subcat| subcat["id"] == parent["parent_node_id"] }
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end
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if parent
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tag_name = DiscourseTagging.clean_tag(c["title"])
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@category_mappings[c["id"]] = {
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category_id: category_id_from_imported_category_id(parent["id"]),
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tag: Tag.find_by_name(tag_name) || Tag.create(name: tag_name),
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}
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else
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puts "", "Couldn't find a category for #{c["id"]} '#{c["title"]}'!"
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end
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end
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end
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# This method is an alternative to import_categories.
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# It uses prefixes instead of nodes.
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def import_categories_from_thread_prefixes
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puts "", "importing categories..."
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categories =
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mysql_query(
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"
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SELECT prefix_id id
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FROM #{TABLE_PREFIX}thread_prefix
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ORDER BY prefix_id ASC
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",
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).to_a
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create_categories(categories) do |category|
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{ id: category["id"], name: "Category-#{category["id"]}" }
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end
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@prefix_as_category = true
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end
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def import_likes
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puts "", "importing likes"
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total_count =
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mysql_query(
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"SELECT COUNT(*) AS count FROM #{TABLE_PREFIX}liked_content WHERE content_type = 'post'",
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).first[
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"count"
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]
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batches(BATCH_SIZE) do |offset|
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results =
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mysql_query(
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"SELECT like_id, content_id, like_user_id, like_date
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FROM #{TABLE_PREFIX}liked_content
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WHERE content_type = 'post'
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ORDER BY like_id
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};",
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)
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break if results.size < 1
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create_likes(results, total: total_count, offset: offset) do |row|
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{
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post_id: row["content_id"],
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user_id: row["like_user_id"],
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created_at: Time.zone.at(row["like_date"]),
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}
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end
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end
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end
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def import_posts
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puts "", "creating topics and posts"
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total_count = mysql_query("SELECT count(*) count from #{TABLE_PREFIX}post").first["count"]
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posts_sql =
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"
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SELECT p.post_id id,
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t.thread_id topic_id,
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#{@prefix_as_category ? "t.prefix_id" : "t.node_id"} category_id,
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t.title title,
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t.first_post_id first_post_id,
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t.view_count,
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p.user_id user_id,
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p.message raw,
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p.post_date created_at
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FROM #{TABLE_PREFIX}post p,
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#{TABLE_PREFIX}thread t
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WHERE p.thread_id = t.thread_id
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AND p.message_state = 'visible'
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AND t.discussion_state = 'visible'
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ORDER BY p.post_date
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LIMIT #{BATCH_SIZE}" # needs OFFSET
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batches(BATCH_SIZE) do |offset|
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results = mysql_query("#{posts_sql} OFFSET #{offset};").to_a
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break if results.size < 1
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next if all_records_exist? :posts, results.map { |p| p["id"] }
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create_posts(results, total: total_count, offset: offset) do |m|
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skip = false
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mapped = {}
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mapped[:id] = m["id"]
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mapped[:user_id] = user_id_from_imported_user_id(m["user_id"]) || -1
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mapped[:raw] = process_xenforo_post(m["raw"], m["id"])
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mapped[:created_at] = Time.zone.at(m["created_at"])
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if m["id"] == m["first_post_id"]
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if m["category_id"].to_i == 0 || m["category_id"].nil?
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mapped[:category] = SiteSetting.uncategorized_category_id
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else
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mapped[:category] = category_id_from_imported_category_id(m["category_id"].to_i) ||
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@category_mappings[m["category_id"]].try(:[], :category_id)
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end
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mapped[:title] = CGI.unescapeHTML(m["title"])
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mapped[:views] = m["view_count"]
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mapped[:post_create_action] = proc do |pp|
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Permalink.find_or_create_by(url: "threads/#{m["topic_id"]}", topic_id: pp.topic_id)
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end
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else
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parent = topic_lookup_from_imported_post_id(m["first_post_id"])
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if parent
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mapped[:topic_id] = parent[:topic_id]
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else
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puts "Parent post #{m["first_post_id"]} doesn't exist. Skipping #{m["id"]}: #{m["title"][0..40]}"
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skip = true
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end
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end
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skip ? nil : mapped
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end
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end
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# Apply tags
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batches(BATCH_SIZE) do |offset|
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results = mysql_query("#{posts_sql} OFFSET #{offset};").to_a
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break if results.size < 1
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results.each do |m|
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next unless m["id"] == m["first_post_id"] && m["category_id"].to_i > 0
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next unless tag = @category_mappings[m["category_id"]].try(:[], :tag)
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next unless topic_mapping = topic_lookup_from_imported_post_id(m["id"])
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topic = Topic.find_by_id(topic_mapping[:topic_id])
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topic.tags = [tag] if topic
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end
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end
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end
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def import_private_messages
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puts "", "importing private messages..."
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post_count = mysql_query("SELECT COUNT(*) count FROM xf_conversation_message").first["count"]
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batches(BATCH_SIZE) do |offset|
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posts = mysql_query <<-SQL
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SELECT c.conversation_id, c.recipients, c.title, m.message, m.user_id, m.message_date, m.message_id, IF(c.first_message_id != m.message_id, c.first_message_id, 0) as topic_id
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FROM xf_conversation_master c
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LEFT JOIN xf_conversation_message m ON m.conversation_id = c.conversation_id
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ORDER BY c.conversation_id, m.message_id
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset}
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SQL
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break if posts.size < 1
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next if all_records_exist? :posts, posts.map { |post| "pm_#{post["message_id"]}" }
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create_posts(posts, total: post_count, offset: offset) do |post|
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user_id = user_id_from_imported_user_id(post["user_id"]) || Discourse::SYSTEM_USER_ID
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title = post["title"]
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message_id = "pm_#{post["message_id"]}"
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raw = process_xenforo_post(post["message"], 0)
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if raw.present?
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msg = {
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id: message_id,
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user_id: user_id,
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raw: raw,
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created_at: Time.zone.at(post["message_date"].to_i),
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import_mode: true,
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}
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unless post["topic_id"] > 0
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msg[:title] = post["title"]
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msg[:archetype] = Archetype.private_message
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to_user_array = PHP.unserialize(post["recipients"])
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if to_user_array.size > 0
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discourse_user_ids = to_user_array.keys.map { |id| user_id_from_imported_user_id(id) }
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usernames = User.where(id: [discourse_user_ids]).pluck(:username)
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msg[:target_usernames] = usernames.join(",")
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end
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else
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topic_id = post["topic_id"]
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if t = topic_lookup_from_imported_post_id("pm_#{topic_id}")
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msg[:topic_id] = t[:topic_id]
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else
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puts "Topic ID #{topic_id} not found, skipping post #{post["message_id"]} from #{post["user_id"]}"
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next
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end
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end
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msg
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else
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puts "Empty message, skipping post #{post["message_id"]}"
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next
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end
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end
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end
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end
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def process_xenforo_post(raw, import_id)
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s = raw.dup
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# :) is encoded as <!-- s:) --><img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
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s.gsub!(%r{<!-- s(\S+) --><img (?:[^>]+) /><!-- s(?:\S+) -->}, '\1')
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# Some links look like this: <!-- m --><a class="postlink" href="http://www.onegameamonth.com">http://www.onegameamonth.com</a><!-- m -->
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s.gsub!(%r{<!-- \w --><a(?:.+)href="(\S+)"(?:.*)>(.+)</a><!-- \w -->}, '[\2](\1)')
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# Many phpbb bbcode tags have a hash attached to them. Examples:
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# [url=https://google.com:1qh1i7ky]click here[/url:1qh1i7ky]
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# [quote="cybereality":b0wtlzex]Some text.[/quote:b0wtlzex]
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s.gsub!(/:(?:\w{8})\]/, "]")
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# Remove mybb video tags.
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s.gsub!(%r{(^\[video=.*?\])|(\[/video\]$)}, "")
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s = CGI.unescapeHTML(s)
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# phpBB shortens link text like this, which breaks our markdown processing:
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# [http://answers.yahoo.com/question/index ... 223AAkkPli](http://answers.yahoo.com/question/index?qid=20070920134223AAkkPli)
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#
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#Fix for the error: xenforo.rb: 160: in `gsub!': invalid byte sequence in UTF-8 (ArgumentError)
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s = s.encode("UTF-16be", invalid: :replace, replace: "?").encode("UTF-8") if !s.valid_encoding?
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# Work around it for now:
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s.gsub!(%r{\[http(s)?://(www\.)?}, "[")
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# [QUOTE]...[/QUOTE]
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s.gsub!(%r{\[quote\](.+?)\[/quote\]}im) { "\n> #{$1}\n" }
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# Nested Quotes
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s.gsub!(%r{(\[/?QUOTE.*?\])}mi) { |q| "\n#{q}\n" }
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# [QUOTE="username, post: 28662, member: 1283"]
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s.gsub!(/\[quote="(\w+), post: (\d*), member: (\d*)"\]/i) do
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username, imported_post_id, _imported_user_id = $1, $2, $3
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topic_mapping = topic_lookup_from_imported_post_id(imported_post_id)
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if topic_mapping
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"\n[quote=\"#{username}, post:#{topic_mapping[:post_number]}, topic:#{topic_mapping[:topic_id]}\"]\n"
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else
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"\n[quote=\"#{username}\"]\n"
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end
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end
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# [URL=...]...[/URL]
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s.gsub!(%r{\[url="?(.+?)"?\](.+?)\[/url\]}i) { "[#{$2}](#{$1})" }
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# [URL]...[/URL]
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s.gsub!(%r{\[url\](.+?)\[/url\]}i) { " #{$1} " }
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# [IMG]...[/IMG]
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s.gsub!(%r{\[/?img\]}i, "")
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# convert list tags to ul and list=1 tags to ol
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# (basically, we're only missing list=a here...)
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s.gsub!(%r{\[list\](.*?)\[/list\]}im, '[ul]\1[/ul]')
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s.gsub!(%r{\[list=1\](.*?)\[/list\]}im, '[ol]\1[/ol]')
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s.gsub!(%r{\[list\](.*?)\[/list:u\]}im, '[ul]\1[/ul]')
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s.gsub!(%r{\[list=1\](.*?)\[/list:o\]}im, '[ol]\1[/ol]')
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# convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists:
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s.gsub!(/\[\*\]\n/, "")
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s.gsub!(%r{\[\*\](.*?)\[/\*:m\]}, '[li]\1[/li]')
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s.gsub!(/\[\*\](.*?)\n/, '[li]\1[/li]')
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s.gsub!(/\[\*=1\]/, "")
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# [YOUTUBE]<id>[/YOUTUBE]
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s.gsub!(%r{\[youtube\](.+?)\[/youtube\]}i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
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# [youtube=425,350]id[/youtube]
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s.gsub!(%r{\[youtube="?(.+?)"?\](.+?)\[/youtube\]}i) do
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"\nhttps://www.youtube.com/watch?v=#{$2}\n"
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end
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# [MEDIA=youtube]id[/MEDIA]
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s.gsub!(%r{\[MEDIA=youtube\](.+?)\[/MEDIA\]}i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
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# [ame="youtube_link"]title[/ame]
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s.gsub!(%r{\[ame="?(.+?)"?\](.+?)\[/ame\]}i) { "\n#{$1}\n" }
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# [VIDEO=youtube;<id>]...[/VIDEO]
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s.gsub!(%r{\[video=youtube;([^\]]+)\].*?\[/video\]}i) do
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"\nhttps://www.youtube.com/watch?v=#{$1}\n"
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end
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# [USER=706]@username[/USER]
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s.gsub!(%r{\[user="?(.+?)"?\](.+?)\[/user\]}i) { $2 }
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# Remove the color tag
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s.gsub!(/\[color=[#a-z0-9]+\]/i, "")
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s.gsub!(%r{\[/color\]}i, "")
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if Dir.exist? ATTACHMENT_DIR
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s = process_xf_attachments(:gallery, s, import_id)
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s = process_xf_attachments(:attachment, s, import_id)
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end
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s
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end
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|
|
|
def process_xf_attachments(xf_type, s, import_id)
|
|
ids = Set.new
|
|
ids.merge(s.scan(get_xf_regexp(xf_type)).map { |x| x[0].to_i })
|
|
|
|
# not all attachments have an [ATTACH=] tag so we need to get the other ID's from the xf_attachment table
|
|
if xf_type == :attachment && import_id > 0
|
|
sql =
|
|
"SELECT attachment_id FROM #{TABLE_PREFIX}attachment WHERE content_id=#{import_id} and content_type='post';"
|
|
ids.merge(mysql_query(sql).to_a.map { |v| v["attachment_id"].to_i })
|
|
end
|
|
|
|
ids.each do |id|
|
|
next unless id
|
|
sql = get_xf_sql(xf_type, id).dup.squish!
|
|
results = mysql_query(sql)
|
|
if results.size < 1
|
|
# Strip attachment
|
|
s.gsub!(get_xf_regexp(xf_type, id), "")
|
|
STDERR.puts "#{xf_type.capitalize} id #{id} not found in source database. Stripping."
|
|
next
|
|
end
|
|
original_filename = results.first["filename"]
|
|
result = results.first
|
|
upload =
|
|
import_xf_attachment(
|
|
result["data_id"],
|
|
result["file_hash"],
|
|
result["user_id"],
|
|
original_filename,
|
|
)
|
|
if upload && upload.present? && upload.persisted?
|
|
html = @uploader.html_for_upload(upload, original_filename)
|
|
s = s + "\n\n#{html}\n\n" unless s.gsub!(get_xf_regexp(xf_type, id), html)
|
|
else
|
|
STDERR.puts "Could not process upload: #{original_filename}. Skipping attachment id #{id}"
|
|
end
|
|
end
|
|
s
|
|
end
|
|
|
|
def import_xf_attachment(data_id, file_hash, owner_id, original_filename)
|
|
current_filename = "#{data_id}-#{file_hash}.data"
|
|
path = Pathname.new(ATTACHMENT_DIR + "/#{data_id / 1000}/#{current_filename}")
|
|
new_path = path.dirname + original_filename
|
|
upload = nil
|
|
if File.exist? path
|
|
FileUtils.cp path, new_path
|
|
upload = @uploader.create_upload owner_id, new_path, original_filename
|
|
FileUtils.rm new_path
|
|
else
|
|
STDERR.puts "Could not find file #{path}. Skipping attachment id #{data_id}"
|
|
end
|
|
upload
|
|
end
|
|
|
|
def get_xf_regexp(type, id = nil)
|
|
case type
|
|
when :gallery
|
|
Regexp.new(/\[GALLERY=media,\s#{id ? id : '(\d+)'}\].+?\]/i)
|
|
when :attachment
|
|
Regexp.new(%r{\[ATTACH(?>=\w+)?\]#{id ? id : '(\d+)'}\[/ATTACH\]}i)
|
|
end
|
|
end
|
|
|
|
def get_xf_sql(type, id)
|
|
case type
|
|
when :gallery
|
|
<<-SQL
|
|
SELECT m.media_id, m.media_title, a.attachment_id, a.data_id, d.filename, d.file_hash, d.user_id
|
|
FROM xengallery_media AS m
|
|
INNER JOIN #{TABLE_PREFIX}attachment a ON (m.attachment_id = a.attachment_id AND a.content_type = 'xengallery_media')
|
|
INNER JOIN #{TABLE_PREFIX}attachment_data d ON a.data_id = d.data_id
|
|
WHERE media_id = #{id}
|
|
SQL
|
|
when :attachment
|
|
<<-SQL
|
|
SELECT a.attachment_id, a.data_id, d.filename, d.file_hash, d.user_id
|
|
FROM #{TABLE_PREFIX}attachment AS a
|
|
INNER JOIN #{TABLE_PREFIX}attachment_data d ON a.data_id = d.data_id
|
|
WHERE attachment_id = #{id}
|
|
AND content_type = 'post'
|
|
SQL
|
|
end
|
|
end
|
|
|
|
def mysql_query(sql)
|
|
@client.query(sql, cache_rows: false)
|
|
end
|
|
end
|
|
|
|
ImportScripts::XenForo.new.perform
|