discourse/script/import_scripts/phpbb3/database/database_3_0.rb

229 lines
8.5 KiB
Ruby

require_relative 'database_base'
require_relative '../support/constants'
module ImportScripts::PhpBB3
class Database_3_0 < DatabaseBase
def count_users
count(<<-SQL)
SELECT COUNT(*) AS count
FROM #{@table_prefix}users u
WHERE u.user_type != #{Constants::USER_TYPE_IGNORE}
SQL
end
def fetch_users(last_user_id)
query(<<-SQL, :user_id)
SELECT u.user_id, u.user_email, u.username, u.user_password, u.user_regdate, u.user_lastvisit, u.user_ip,
u.user_type, u.user_inactive_reason, g.group_name, b.ban_start, b.ban_end, b.ban_reason,
u.user_posts, u.user_website, u.user_from, u.user_birthday, u.user_avatar_type, u.user_avatar
FROM #{@table_prefix}users u
LEFT OUTER JOIN #{@table_prefix}groups g ON (g.group_id = u.group_id)
LEFT OUTER JOIN #{@table_prefix}banlist b ON (
u.user_id = b.ban_userid AND b.ban_exclude = 0 AND
(b.ban_end = 0 OR b.ban_end >= UNIX_TIMESTAMP())
)
WHERE u.user_id > #{last_user_id} AND u.user_type != #{Constants::USER_TYPE_IGNORE}
ORDER BY u.user_id
LIMIT #{@batch_size}
SQL
end
def count_anonymous_users
count(<<-SQL)
SELECT COUNT(DISTINCT post_username) AS count
FROM #{@table_prefix}posts
WHERE post_username <> ''
SQL
end
def fetch_anonymous_users(last_username)
last_username = escape(last_username)
query(<<-SQL, :post_username)
SELECT post_username, MIN(post_time) AS first_post_time
FROM #{@table_prefix}posts
WHERE post_username > '#{last_username}'
GROUP BY post_username
ORDER BY post_username
LIMIT #{@batch_size}
SQL
end
def fetch_categories
query(<<-SQL)
SELECT f.forum_id, f.parent_id, f.forum_name, f.forum_desc, x.first_post_time
FROM #{@table_prefix}forums f
LEFT OUTER JOIN (
SELECT MIN(topic_time) AS first_post_time, forum_id
FROM #{@table_prefix}topics
GROUP BY forum_id
) x ON (f.forum_id = x.forum_id)
WHERE f.forum_type != #{Constants::FORUM_TYPE_LINK}
ORDER BY f.parent_id, f.left_id
SQL
end
def count_posts
count(<<-SQL)
SELECT COUNT(*) AS count
FROM #{@table_prefix}posts
SQL
end
def fetch_posts(last_post_id)
query(<<-SQL, :post_id)
SELECT p.post_id, p.topic_id, t.forum_id, t.topic_title, t.topic_first_post_id, p.poster_id,
p.post_text, p.post_time, p.post_username, t.topic_status, t.topic_type, t.poll_title,
CASE WHEN t.poll_length > 0 THEN t.poll_start + t.poll_length ELSE NULL END AS poll_end,
t.poll_max_options, p.post_attachment
FROM #{@table_prefix}posts p
JOIN #{@table_prefix}topics t ON (p.topic_id = t.topic_id)
WHERE p.post_id > #{last_post_id}
ORDER BY p.post_id
LIMIT #{@batch_size}
SQL
end
def get_first_post_id(topic_id)
query(<<-SQL).try(:first).try(:[], :topic_first_post_id)
SELECT topic_first_post_id
FROM #{@table_prefix}topics
WHERE topic_id = #{topic_id}
SQL
end
def fetch_poll_options(topic_id)
query(<<-SQL)
SELECT o.poll_option_id, o.poll_option_text, o.poll_option_total AS total_votes,
o.poll_option_total - (
SELECT COUNT(DISTINCT v.vote_user_id)
FROM #{@table_prefix}poll_votes v
JOIN #{@table_prefix}users u ON (v.vote_user_id = u.user_id)
JOIN #{@table_prefix}topics t ON (v.topic_id = t.topic_id)
WHERE v.poll_option_id = o.poll_option_id AND v.topic_id = o.topic_id
) AS anonymous_votes
FROM #{@table_prefix}poll_options o
WHERE o.topic_id = #{topic_id}
ORDER BY o.poll_option_id
SQL
end
def fetch_poll_votes(topic_id)
# this query ignores invalid votes that belong to non-existent users or topics
query(<<-SQL)
SELECT u.user_id, v.poll_option_id
FROM #{@table_prefix}poll_votes v
JOIN #{@table_prefix}poll_options o ON (v.poll_option_id = o.poll_option_id AND v.topic_id = o.topic_id)
JOIN #{@table_prefix}users u ON (v.vote_user_id = u.user_id)
JOIN #{@table_prefix}topics t ON (v.topic_id = t.topic_id)
WHERE v.topic_id = #{topic_id}
SQL
end
def get_voters(topic_id)
# anonymous voters can't be counted, but lets try to make the count look "correct" anyway
query(<<-SQL).first
SELECT MAX(x.total_voters) AS total_voters,
MAX(x.total_voters) - (
SELECT COUNT(DISTINCT v.vote_user_id)
FROM #{@table_prefix}poll_votes v
JOIN #{@table_prefix}poll_options o ON (v.poll_option_id = o.poll_option_id AND v.topic_id = o.topic_id)
JOIN #{@table_prefix}users u ON (v.vote_user_id = u.user_id)
JOIN #{@table_prefix}topics t ON (v.topic_id = t.topic_id)
WHERE v.topic_id = #{topic_id}
) AS anonymous_voters
FROM (
SELECT COUNT(DISTINCT vote_user_id) AS total_voters
FROM #{@table_prefix}poll_votes
WHERE topic_id = #{topic_id}
UNION
SELECT MAX(poll_option_total) AS total_voters
FROM #{@table_prefix}poll_options
WHERE topic_id = #{topic_id}
) x
SQL
end
def get_max_attachment_size
query(<<-SQL).first[:filesize]
SELECT IFNULL(MAX(filesize), 0) AS filesize
FROM #{@table_prefix}attachments
SQL
end
def fetch_attachments(topic_id, post_id)
query(<<-SQL)
SELECT physical_filename, real_filename
FROM #{@table_prefix}attachments
WHERE topic_id = #{topic_id} AND post_msg_id = #{post_id}
ORDER BY filetime DESC, post_msg_id
SQL
end
def count_messages
count(<<-SQL)
SELECT COUNT(*) AS count
FROM #{@table_prefix}privmsgs m
WHERE NOT EXISTS ( -- ignore duplicate messages
SELECT 1
FROM #{@table_prefix}privmsgs x
WHERE x.msg_id < m.msg_id AND x.root_level = m.root_level AND x.author_id = m.author_id
AND x.to_address = m.to_address AND x.message_time = m.message_time
)
SQL
end
def fetch_messages(last_msg_id)
query(<<-SQL, :msg_id)
SELECT m.msg_id, m.root_level AS root_msg_id, m.author_id, m.message_time, m.message_subject,
m.message_text, m.to_address, r.author_id AS root_author_id, r.to_address AS root_to_address, (
SELECT COUNT(*)
FROM #{@table_prefix}attachments a
WHERE a.topic_id = 0 AND m.msg_id = a.post_msg_id
) AS attachment_count
FROM #{@table_prefix}privmsgs m
LEFT OUTER JOIN #{@table_prefix}privmsgs r ON (m.root_level = r.msg_id)
WHERE m.msg_id > #{last_msg_id}
AND NOT EXISTS ( -- ignore duplicate messages
SELECT 1
FROM #{@table_prefix}privmsgs x
WHERE x.msg_id < m.msg_id AND x.root_level = m.root_level AND x.author_id = m.author_id
AND x.to_address = m.to_address AND x.message_time = m.message_time
)
ORDER BY m.msg_id
LIMIT #{@batch_size}
SQL
end
def count_bookmarks
count(<<-SQL)
SELECT COUNT(*) AS count
FROM #{@table_prefix}bookmarks
SQL
end
def fetch_bookmarks(last_user_id, last_topic_id)
query(<<-SQL, :user_id, :topic_first_post_id)
SELECT b.user_id, t.topic_first_post_id
FROM #{@table_prefix}bookmarks b
JOIN #{@table_prefix}topics t ON (b.topic_id = t.topic_id)
WHERE b.user_id > #{last_user_id} AND b.topic_id > #{last_topic_id}
ORDER BY b.user_id, b.topic_id
LIMIT #{@batch_size}
SQL
end
def get_config_values
query(<<-SQL).first
SELECT
(SELECT config_value FROM #{@table_prefix}config WHERE config_name = 'version') AS phpbb_version,
(SELECT config_value FROM #{@table_prefix}config WHERE config_name = 'avatar_gallery_path') AS avatar_gallery_path,
(SELECT config_value FROM #{@table_prefix}config WHERE config_name = 'avatar_path') AS avatar_path,
(SELECT config_value FROM #{@table_prefix}config WHERE config_name = 'avatar_salt') AS avatar_salt,
(SELECT config_value FROM #{@table_prefix}config WHERE config_name = 'smilies_path') AS smilies_path,
(SELECT config_value FROM #{@table_prefix}config WHERE config_name = 'upload_path') AS attachment_path
SQL
end
end
end