discourse/lib/tasks/import.rake

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# Use http://tatiyants.com/pev/#/plans/new if you want to optimize a query
task "import:ensure_consistency" => :environment do
log "Starting..."
insert_post_timings
insert_post_replies
insert_topic_users
insert_topic_views
insert_user_actions
insert_user_options
insert_user_stats
insert_user_visits
insert_draft_sequences
update_user_stats
update_posts
update_topics
update_categories
update_users
update_groups
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update_tag_stats
log "Done!"
end
MS_SPEND_CREATING_POST ||= 5000
def insert_post_timings
log "Inserting post timings..."
DB.exec <<-SQL
INSERT INTO post_timings (topic_id, post_number, user_id, msecs)
SELECT topic_id, post_number, user_id, #{MS_SPEND_CREATING_POST}
FROM posts
WHERE user_id > 0
ON CONFLICT DO NOTHING
SQL
end
def insert_post_replies
log "Inserting post replies..."
DB.exec <<-SQL
INSERT INTO post_replies (post_id, reply_id, created_at, updated_at)
SELECT p2.id, p.id, p.created_at, p.created_at
FROM posts p
INNER JOIN posts p2 ON p2.post_number = p.reply_to_post_number AND p2.topic_id = p.topic_id
ON CONFLICT DO NOTHING
SQL
end
def insert_topic_users
log "Inserting topic users..."
DB.exec <<-SQL
INSERT INTO topic_users (user_id, topic_id, posted, last_read_post_number, highest_seen_post_number, first_visited_at, last_visited_at, total_msecs_viewed)
SELECT user_id, topic_id, 't' , MAX(post_number), MAX(post_number), MIN(created_at), MAX(created_at), COUNT(id) * #{MS_SPEND_CREATING_POST}
FROM posts
WHERE user_id > 0
GROUP BY user_id, topic_id
ON CONFLICT DO NOTHING
SQL
end
def insert_topic_views
log "Inserting topic views..."
DB.exec <<-SQL
WITH X AS (
SELECT topic_id, user_id, DATE(p.created_at) posted_at
FROM posts p
JOIN users u ON u.id = p.user_id
WHERE user_id > 0
GROUP BY topic_id, user_id, DATE(p.created_at)
)
INSERT INTO topic_views (topic_id, user_id, viewed_at, ip_address)
SELECT X.topic_id, X.user_id, X.posted_at, ip_address
FROM X
JOIN users u ON u.id = X.user_id
WHERE ip_address IS NOT NULL
ON CONFLICT DO NOTHING
SQL
end
def insert_user_actions
log "Inserting user actions for NEW_TOPIC = 4..."
DB.exec <<-SQL
INSERT INTO user_actions (action_type, user_id, target_topic_id, target_post_id, acting_user_id, created_at, updated_at)
SELECT 4, p.user_id, topic_id, p.id, p.user_id, p.created_at, p.created_at
FROM posts p
JOIN topics t ON t.id = p.topic_id
WHERE post_number = 1
AND archetype <> 'private_message'
AND p.deleted_at IS NULL
AND t.deleted_at IS NULL
ON CONFLICT DO NOTHING
SQL
log "Inserting user actions for REPLY = 5..."
DB.exec <<-SQL
INSERT INTO user_actions (action_type, user_id, target_topic_id, target_post_id, acting_user_id, created_at, updated_at)
SELECT 5, p.user_id, topic_id, p.id, p.user_id, p.created_at, p.created_at
FROM posts p
JOIN topics t ON t.id = p.topic_id
WHERE post_number > 1
AND archetype <> 'private_message'
AND p.deleted_at IS NULL
AND t.deleted_at IS NULL
ON CONFLICT DO NOTHING
SQL
log "Inserting user actions for RESPONSE = 6..."
DB.exec <<-SQL
INSERT INTO user_actions (action_type, user_id, target_topic_id, target_post_id, acting_user_id, created_at, updated_at)
SELECT 6, p.user_id, p.topic_id, p.id, p2.user_id, p.created_at, p.created_at
FROM posts p
JOIN topics t ON t.id = p.topic_id
INNER JOIN posts p2 ON p2.post_number = p.reply_to_post_number
WHERE p.post_number > 1
AND archetype <> 'private_message'
AND p.deleted_at IS NULL
AND t.deleted_at IS NULL
AND p2.topic_id = p.topic_id
AND p2.user_id <> p.user_id
ON CONFLICT DO NOTHING
SQL
# TODO:
# - NEW_PRIVATE_MESSAGE
# - GOT_PRIVATE_MESSAGE
end
def insert_user_options
log "Inserting user options..."
DB.exec <<-SQL
INSERT INTO user_options (
user_id,
mailing_list_mode,
mailing_list_mode_frequency,
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email_level,
email_messages_level,
email_previous_replies,
email_in_reply_to,
email_digests,
digest_after_minutes,
include_tl0_in_digests,
automatically_unpin_topics,
enable_quoting,
external_links_in_new_tab,
dynamic_favicon,
disable_jump_reply,
new_topic_duration_minutes,
auto_track_topics_after_msecs,
notification_level_when_replying,
like_notification_frequency
)
SELECT u.id
, #{SiteSetting.default_email_mailing_list_mode}
, #{SiteSetting.default_email_mailing_list_mode_frequency}
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, #{SiteSetting.default_email_level}
, #{SiteSetting.default_email_messages_level}
, #{SiteSetting.default_email_previous_replies}
, #{SiteSetting.default_email_in_reply_to}
, #{SiteSetting.default_email_digest_frequency.to_i > 0}
, #{SiteSetting.default_email_digest_frequency}
, #{SiteSetting.default_include_tl0_in_digests}
, #{SiteSetting.default_topics_automatic_unpin}
, #{SiteSetting.default_other_enable_quoting}
, #{SiteSetting.default_other_external_links_in_new_tab}
, #{SiteSetting.default_other_dynamic_favicon}
, #{SiteSetting.default_other_disable_jump_reply}
, #{SiteSetting.default_other_new_topic_duration_minutes}
, #{SiteSetting.default_other_auto_track_topics_after_msecs}
, #{SiteSetting.default_other_notification_level_when_replying}
, #{SiteSetting.default_other_like_notification_frequency}
FROM users u
LEFT JOIN user_options uo ON uo.user_id = u.id
WHERE uo.user_id IS NULL
SQL
end
def insert_user_stats
log "Inserting user stats..."
DB.exec <<-SQL
INSERT INTO user_stats (user_id, new_since)
SELECT id, created_at
FROM users
ON CONFLICT DO NOTHING
SQL
end
def insert_user_visits
log "Inserting user visits..."
DB.exec <<-SQL
INSERT INTO user_visits (user_id, visited_at, posts_read)
SELECT user_id, DATE(created_at), COUNT(*)
FROM posts
WHERE user_id > 0
GROUP BY user_id, DATE(created_at)
ON CONFLICT DO NOTHING
SQL
end
def insert_draft_sequences
log "Inserting draft sequences..."
DB.exec <<-SQL
INSERT INTO draft_sequences (user_id, draft_key, sequence)
SELECT user_id, CONCAT('#{Draft::EXISTING_TOPIC}', id), 1
FROM topics
WHERE user_id > 0
AND archetype = 'regular'
ON CONFLICT DO NOTHING
SQL
end
def update_user_stats
log "Updating user stats..."
# TODO: topic_count is counting all topics you replied in as if you started the topic.
# TODO: post_count is counting first posts.
# TODO: topic_reply_count is never used, and is counting PMs here.
DB.exec <<-SQL
WITH X AS (
SELECT p.user_id
, COUNT(p.id) posts
, COUNT(DISTINCT p.topic_id) topics
, MIN(p.created_at) min_created_at
, COALESCE(COUNT(DISTINCT DATE(p.created_at)), 0) days
, COALESCE((
SELECT COUNT(*)
FROM topics
WHERE id IN (
SELECT topic_id
FROM posts p2
JOIN topics t2 ON t2.id = p2.topic_id
WHERE p2.deleted_at IS NULL
AND p2.post_type = 1
AND NOT COALESCE(p2.hidden, 't')
AND p2.user_id <> t2.user_id
AND p2.user_id = p.user_id
)
), 0) topic_replies
FROM posts p
JOIN topics t ON t.id = p.topic_id
WHERE p.deleted_at IS NULL
AND NOT COALESCE(p.hidden, 't')
AND p.post_type = 1
AND t.deleted_at IS NULL
AND COALESCE(t.visible, 't')
AND t.archetype <> 'private_message'
AND p.user_id > 0
GROUP BY p.user_id
)
UPDATE user_stats
SET post_count = X.posts
, posts_read_count = X.posts
, time_read = X.posts * 5
, topic_count = X.topics
, topics_entered = X.topics
, first_post_created_at = X.min_created_at
, days_visited = X.days
, topic_reply_count = X.topic_replies
FROM X
WHERE user_stats.user_id = X.user_id
AND (post_count <> X.posts
OR posts_read_count <> X.posts
OR time_read <> X.posts * 5
OR topic_count <> X.topics
OR topics_entered <> X.topics
OR COALESCE(first_post_created_at, '1970-01-01') <> X.min_created_at
OR days_visited <> X.days
OR topic_reply_count <> X.topic_replies)
SQL
end
def update_posts
log "Updating posts..."
DB.exec <<-SQL
WITH Y AS (
SELECT post_id, COUNT(*) replies FROM post_replies GROUP BY post_id
)
UPDATE posts
SET reply_count = Y.replies
FROM Y
WHERE posts.id = Y.post_id
AND reply_count <> Y.replies
SQL
# -- TODO: ensure this is how this works!
# WITH X AS (
# SELECT pr.post_id, p.user_id
# FROM post_replies pr
# JOIN posts p ON p.id = pr.reply_id
# )
# UPDATE posts
# SET reply_to_user_id = X.user_id
# FROM X
# WHERE id = X.post_id
# AND COALESCE(reply_to_user_id, -9999) <> X.user_id
end
def update_topics
log "Updating topics..."
DB.exec <<-SQL
WITH X AS (
SELECT topic_id
, COUNT(*) posts
, MAX(created_at) last_post_date
, COALESCE(SUM(word_count), 0) words
, COALESCE(SUM(reply_count), 0) replies
, ( SELECT user_id
FROM posts
WHERE NOT hidden
AND deleted_at IS NULL
AND topic_id = p.topic_id
ORDER BY post_number DESC
LIMIT 1) last_poster
FROM posts p
WHERE NOT hidden
AND deleted_at IS NULL
GROUP BY topic_id
)
UPDATE topics
SET posts_count = X.posts
, last_posted_at = X.last_post_date
, bumped_at = X.last_post_date
, word_count = X.words
, reply_count = X.replies
, last_post_user_id = X.last_poster
FROM X
WHERE id = X.topic_id
AND (posts_count <> X.posts
OR COALESCE(last_posted_at, '1970-01-01') <> X.last_post_date
OR bumped_at <> X.last_post_date
OR COALESCE(word_count, -1) <> X.words
OR COALESCE(reply_count, -1) <> X.replies
OR COALESCE(last_post_user_id, -9999) <> X.last_poster)
SQL
end
def update_categories
log "Updating categories..."
DB.exec <<-SQL
WITH X AS (
SELECT category_id
, MAX(p.id) post_id
, MAX(t.id) topic_id
, COUNT(p.id) posts
, COUNT(DISTINCT p.topic_id) topics
FROM posts p
JOIN topics t ON t.id = p.topic_id
WHERE p.deleted_at IS NULL
AND t.deleted_at IS NULL
AND NOT p.hidden
AND t.visible
GROUP BY category_id
)
UPDATE categories
SET latest_post_id = X.post_id
, latest_topic_id = X.topic_id
, post_count = X.posts
, topic_count = X.topics
FROM X
WHERE id = X.category_id
AND (COALESCE(latest_post_id, -1) <> X.post_id
OR COALESCE(latest_topic_id, -1) <> X.topic_id
OR post_count <> X.posts
OR topic_count <> X.topics)
SQL
end
def update_users
log "Updating users..."
DB.exec <<-SQL
WITH X AS (
SELECT user_id
, MIN(created_at) min_created_at
, MAX(created_at) max_created_at
FROM posts
WHERE deleted_at IS NULL
GROUP BY user_id
)
UPDATE users
SET first_seen_at = X.min_created_at
, last_seen_at = X.max_created_at
, last_posted_at = X.max_created_at
FROM X
WHERE id = X.user_id
AND (COALESCE(first_seen_at, '1970-01-01') <> X.min_created_at
OR COALESCE(last_seen_at, '1970-01-01') <> X.max_created_at
OR COALESCE(last_posted_at, '1970-01-01') <> X.max_created_at)
SQL
end
def update_groups
log "Updating groups..."
DB.exec <<-SQL
WITH X AS (
SELECT group_id, COUNT(*) count
FROM group_users
GROUP BY group_id
)
UPDATE groups
SET user_count = X.count
FROM X
WHERE id = X.group_id
AND user_count <> X.count
SQL
end
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def update_tag_stats
Tag.ensure_consistency!
end
def log(message)
puts "[#{DateTime.now.strftime("%Y-%m-%d %H:%M:%S")}] #{message}"
end
task "import:create_phpbb_permalinks" => :environment do
log 'Creating Permalinks...'
# /[^\/]+\/.*-t(\d+).html/
SiteSetting.permalink_normalizations = '/[^\/]+\/.*-t(\d+).html/thread/\1'
Topic.listable_topics.find_each do |topic|
tcf = topic.custom_fields
if tcf && tcf["import_id"]
Permalink.create(url: "thread/#{tcf["import_id"]}", topic_id: topic.id) rescue nil
end
end
log "Done!"
end
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task "import:remap_old_phpbb_permalinks" => :environment do
log 'Remapping Permalinks...'
i = 0
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Post.where("raw LIKE ?", "%discussions.example.com%").each do |p|
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begin
new_raw = p.raw.dup
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# \((https?:\/\/discussions\.example\.com\/\S*-t\d+.html)\)
new_raw.gsub!(/\((https?:\/\/discussions\.example\.com\/\S*-t\d+.html)\)/) do
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normalized_url = Permalink.normalize_url($1)
permalink = Permalink.find_by_url(normalized_url) rescue nil
if permalink && permalink.target_url
"(#{permalink.target_url})"
else
"(#{$1})"
end
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end
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if new_raw != p.raw
p.revise(Discourse.system_user, { raw: new_raw }, bypass_bump: true, skip_revision: true)
putc "."
i += 1
end
rescue
# skip
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end
end
log "Done! #{i} posts remapped."
end
task "import:create_vbulletin_permalinks" => :environment do
log 'Creating Permalinks...'
# /showthread.php\?t=(\d+).*/
SiteSetting.permalink_normalizations = '/showthread.php\?t=(\d+).*/showthread.php?t=\1'
Topic.listable_topics.find_each do |topic|
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tcf = topic.custom_fields
if tcf && tcf["import_id"]
Permalink.create(url: "showthread.php?t=#{tcf["import_id"]}", topic_id: topic.id) rescue nil
end
end
Category.find_each do |cat|
ccf = cat.custom_fields
if ccf && ccf["import_id"]
Permalink.create(url: "forumdisplay.php?f=#{ccf["import_id"]}", category_id: cat.id) rescue nil
end
end
log "Done!"
end
desc 'Import existing exported file'
task 'import:file', [:file_name] => [:environment] do |_, args|
require "import_export/import_export"
ImportExport.import(args[:file_name])
puts "", "Done", ""
end