FEATURE: phpbb 3 import script
This commit is contained in:
Neil Lalonde
@@ -0,0 +1,251 @@
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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require "mysql2"
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class ImportScripts::PhpBB3 < ImportScripts::Base
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PHPBB_DB = "phpbb"
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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(
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host: "localhost",
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username: "root",
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#password: "password",
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database: PHPBB_DB
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)
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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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suspend_users
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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 = mysql_query("SELECT count(*) count
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FROM phpbb_users u
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JOIN phpbb_groups g ON g.group_id = u.group_id
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WHERE g.group_name != 'BOTS'
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AND u.user_type != 1;").first['count']
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batches(BATCH_SIZE) do |offset|
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results = mysql_query(
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"SELECT user_id id, user_email email, username, user_regdate, group_name
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FROM phpbb_users u
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JOIN phpbb_groups g ON g.group_id = u.group_id
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WHERE g.group_name != 'BOTS'
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AND u.user_type != 1
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ORDER BY u.user_id ASC
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};")
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break if results.size < 1
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create_users(results, total: total_count, offset: offset) do |user|
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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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created_at: Time.zone.at(user['user_regdate']),
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moderator: user['group_name'] == 'GLOBAL_MODERATORS',
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admin: user['group_name'] == 'ADMINISTRATORS' }
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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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results = mysql_query("
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SELECT forum_id id, parent_id, forum_name name, forum_desc description
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FROM phpbb_forums
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ORDER BY parent_id ASC, forum_id ASC
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")
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create_categories(results) do |row|
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h = {id: row['id'], name: CGI.unescapeHTML(row['name']), description: CGI.unescapeHTML(row['description'])}
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if row['parent_id'].to_i > 0
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parent = category_from_imported_category_id(row['parent_id'])
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h[:parent_category_id] = parent.id if parent
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end
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h
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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 phpbb_posts").first["count"]
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batches(BATCH_SIZE) do |offset|
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results = mysql_query("
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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_title title,
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t.topic_first_post_id first_post_id,
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p.poster_id user_id,
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p.post_text raw,
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p.post_time post_time
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FROM phpbb_posts p,
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phpbb_topics t
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WHERE p.topic_id = t.topic_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_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] = decode_phpbb_post(m['raw'])
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mapped[:created_at] = Time.zone.at(m['post_time'])
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if m['id'] == m['first_post_id']
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mapped[:category] = category_from_imported_category_id(m['category_id']).try(:name)
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mapped[:title] = CGI.unescapeHTML(m['title'])
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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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end
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def import_private_messages
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puts "", "creating private messages"
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total_count = mysql_query("SELECT count(*) count from phpbb_privmsgs").first["count"]
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batches(BATCH_SIZE) do |offset|
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results = mysql_query("
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SELECT msg_id id,
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root_level,
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author_id user_id,
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message_time,
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message_subject,
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message_text
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FROM phpbb_privmsgs
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ORDER BY root_level ASC, msg_id ASC
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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_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] = "pm:#{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] = decode_phpbb_post(m['message_text'])
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mapped[:created_at] = Time.zone.at(m['message_time'])
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if m['root_level'] == 0
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mapped[:title] = CGI.unescapeHTML(m['message_subject'])
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mapped[:archetype] = Archetype.private_message
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# Find the users who are part of this private message.
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# Found from the to_address of phpbb_privmsgs, by looking at
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# all the rows with the same root_level.
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# to_address looks like this: "u_91:u_1234:u_200"
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# The "u_" prefix is discarded and the rest is a user_id.
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import_user_ids = mysql_query("
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SELECT to_address
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FROM phpbb_privmsgs
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WHERE msg_id = #{m['id']}
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OR root_level = #{m['id']}").map { |r| r['to_address'].split(':') }.flatten!.map! { |u| u[2..-1] }
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mapped[:target_usernames] = import_user_ids.map! do |import_user_id|
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import_user_id.to_s == m['user_id'].to_s ? nil : User.find_by_id(user_id_from_imported_user_id(import_user_id)).try(:username)
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end.compact.uniq
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skip = true if mapped[:target_usernames].empty? # pm with yourself?
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else
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parent = topic_lookup_from_imported_post_id("pm:#{m['root_level']}")
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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 pm:#{m['root_level']} doesn't exist. Skipping #{m["id"]}: #{m["message_subject"][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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end
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def suspend_users
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puts '', "updating banned users"
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where = "ban_userid > 0 AND (ban_end = 0 OR ban_end > #{Time.zone.now.to_i})"
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banned = 0
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failed = 0
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total = mysql_query("SELECT count(*) count FROM phpbb_banlist WHERE #{where}").first['count']
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system_user = Discourse.system_user
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mysql_query("SELECT ban_userid, ban_start, ban_end, ban_give_reason FROM phpbb_banlist WHERE #{where}").each do |b|
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user = find_user_by_import_id(b['ban_userid'])
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if user
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user.suspended_at = Time.zone.at(b['ban_start'])
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user.suspended_till = b['ban_end'] > 0 ? Time.zone.at(b['ban_end']) : 200.years.from_now
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if user.save
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StaffActionLogger.new(system_user).log_user_suspend(user, b['ban_give_reason'])
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banned += 1
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else
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puts "Failed to suspend user #{user.username}. #{user.errors.try(:full_messages).try(:inspect)}"
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failed += 1
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end
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else
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puts "Not found: #{b['ban_userid']}"
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failed += 1
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end
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print_status banned + failed, total
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end
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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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def decode_phpbb_post(raw)
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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!(/<!-- 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!(/<!-- \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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CGI.unescapeHTML(s)
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end
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end
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ImportScripts::PhpBB3.new.perform
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