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250 lines
7.2 KiB
Ruby
250 lines
7.2 KiB
Ruby
# frozen_string_literal: true
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require "mysql2"
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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class ImportScripts::SimplePress < ImportScripts::Base
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SIMPLE_PRESS_DB = ENV["SIMPLEPRESS_DB"] || "simplepress"
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TABLE_PREFIX = "wp_sf"
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BATCH_SIZE = 1000
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def initialize
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super
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@client = Mysql2::Client.new(host: "localhost", username: "root", database: SIMPLE_PRESS_DB)
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SiteSetting.max_username_length = 50
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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_topics
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import_posts
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end
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def import_users
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puts "", "importing users..."
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last_user_id = -1
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total_users =
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mysql_query("SELECT COUNT(*) count FROM wp_users WHERE user_email LIKE '%@%'").first["count"]
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batches(BATCH_SIZE) do |offset|
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users = mysql_query(<<-SQL).to_a
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SELECT ID id, user_nicename, display_name, user_email, user_registered, user_url
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FROM wp_users
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WHERE user_email LIKE '%@%'
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AND id > #{last_user_id}
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ORDER BY id
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LIMIT #{BATCH_SIZE}
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SQL
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break if users.empty?
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last_user_id = users[-1]["id"]
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user_ids = users.map { |u| u["id"].to_i }
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next if all_records_exist?(:users, user_ids)
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user_ids_sql = user_ids.join(",")
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users_description = {}
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mysql_query(<<-SQL).each { |um| users_description[um["user_id"]] = um["description"] }
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SELECT user_id, meta_value description
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FROM wp_usermeta
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WHERE user_id IN (#{user_ids_sql})
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AND meta_key = 'description'
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SQL
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create_users(users, total: total_users, offset: offset) do |u|
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{
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id: u["id"].to_i,
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username: u["user_nicename"],
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email: u["user_email"].downcase,
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name: u["display_name"],
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created_at: u["user_registered"],
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website: u["user_url"],
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bio_raw: users_description[u["id"]],
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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 = mysql_query(<<-SQL)
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SELECT forum_id, forum_name, forum_seq, forum_desc, parent
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FROM #{TABLE_PREFIX}forums
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ORDER BY forum_id
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SQL
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create_categories(categories) do |c|
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category = {
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id: c["forum_id"],
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name: CGI.unescapeHTML(c["forum_name"]),
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description: CGI.unescapeHTML(c["forum_desc"]),
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position: c["forum_seq"],
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}
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if (parent_id = c["parent"].to_i) > 0
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category[:parent_category_id] = category_id_from_imported_category_id(parent_id)
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end
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category
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end
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end
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def import_topics
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puts "", "creating topics"
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total_count =
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mysql_query("SELECT COUNT(*) count FROM #{TABLE_PREFIX}posts WHERE post_index = 1").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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"
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SELECT p.post_id id,
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p.topic_id topic_id,
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t.forum_id category_id,
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t.topic_name title,
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t.topic_opened views,
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t.topic_pinned pinned,
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p.user_id user_id,
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p.post_content raw,
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p.post_date post_time
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FROM #{TABLE_PREFIX}posts p,
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#{TABLE_PREFIX}topics t
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WHERE p.topic_id = t.topic_id
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AND p.post_index = 1
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ORDER BY p.post_id
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};
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",
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)
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break if results.size < 1
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next if all_records_exist? :posts, results.map { |m| m["id"].to_i }
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create_posts(results, total: total_count, offset: offset) do |m|
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created_at = Time.zone.at(m["post_time"])
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{
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id: m["id"],
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user_id: user_id_from_imported_user_id(m["user_id"]) || -1,
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raw: process_simplepress_post(m["raw"], m["id"]),
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created_at: created_at,
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category: category_id_from_imported_category_id(m["category_id"]),
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title: CGI.unescapeHTML(m["title"]),
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views: m["views"],
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pinned_at: m["pinned"] == 1 ? created_at : nil,
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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 posts"
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topic_first_post_id = {}
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mysql_query(
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"
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SELECT t.topic_id, p.post_id
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FROM #{TABLE_PREFIX}topics t
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JOIN #{TABLE_PREFIX}posts p ON p.topic_id = t.topic_id
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WHERE p.post_index = 1
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",
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).each { |r| topic_first_post_id[r["topic_id"]] = r["post_id"] }
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total_count =
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mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}posts WHERE post_index <> 1").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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"
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SELECT p.post_id id,
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p.topic_id topic_id,
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p.user_id user_id,
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p.post_content raw,
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p.post_date post_time
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FROM #{TABLE_PREFIX}posts p,
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#{TABLE_PREFIX}topics t
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WHERE p.topic_id = t.topic_id
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AND p.post_index <> 1
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ORDER BY p.post_id
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};
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",
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)
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break if results.size < 1
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next if all_records_exist? :posts, results.map { |m| m["id"].to_i }
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create_posts(results, total: total_count, offset: offset) do |m|
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if parent = topic_lookup_from_imported_post_id(topic_first_post_id[m["topic_id"]])
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{
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id: m["id"],
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user_id: user_id_from_imported_user_id(m["user_id"]) || -1,
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topic_id: parent[:topic_id],
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raw: process_simplepress_post(m["raw"], m["id"]),
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created_at: Time.zone.at(m["post_time"]),
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}
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else
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puts "Parent post #{m["topic_id"]} doesn't exist. Skipping #{m["id"]}"
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nil
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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_simplepress_post(raw, import_id)
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s = raw.dup
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# fix invalid byte sequence in UTF-8 (ArgumentError)
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s.force_encoding("UTF-8") unless s.valid_encoding?
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# convert the quote line
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s.gsub!(/\[quote='([^']+)'.*?pid='(\d+).*?\]/) do
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"[quote=\"#{convert_username($1, import_id)}, " +
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post_id_to_post_num_and_topic($2, import_id) + '"]'
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end
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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!(/<!-- s(\S+) -->(?:.*)<!-- 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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# Work around it for now:
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s.gsub!(%r{\[http(s)?://(www\.)?}, "[")
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s
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end
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def mysql_query(sql)
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@client.query(sql, cache_rows: false)
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end
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end
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ImportScripts::SimplePress.new.perform
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