discourse/lib/tasks/posts.rake

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desc 'Update each post with latest markdown'
task 'posts:rebake' => :environment do
ENV['RAILS_DB'] ? rebake_posts : rebake_posts_all_sites
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end
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task 'posts:rebake_uncooked_posts' => :environment do
uncooked = Post.where(baked_version: nil)
rebaked = 0
total = uncooked.count
uncooked.find_each do |post|
rebake_post(post)
print_status(rebaked += 1, total)
end
puts "", "#{rebaked} posts done!", ""
end
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desc 'Update each post with latest markdown and refresh oneboxes'
task 'posts:refresh_oneboxes' => :environment do
ENV['RAILS_DB'] ? rebake_posts(invalidate_oneboxes: true) : rebake_posts_all_sites(invalidate_oneboxes: true)
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end
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desc 'Rebake all posts with a quote using a letter_avatar'
task 'posts:fix_letter_avatars' => :environment do
return unless SiteSetting.external_system_avatars_enabled
search = Post.where("user_id <> -1")
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.where("raw LIKE '%/letter\_avatar/%' OR cooked LIKE '%/letter\_avatar/%'")
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rebaked = 0
total = search.count
search.find_each do |post|
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rebake_post(post)
print_status(rebaked += 1, total)
end
puts "", "#{rebaked} posts done!", ""
end
desc 'Rebake all posts matching string/regex and optionally delay the loop'
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task 'posts:rebake_match', [:pattern, :type, :delay] => [:environment] do |_, args|
args.with_defaults(type: 'string')
pattern = args[:pattern]
type = args[:type]&.downcase
delay = args[:delay]&.to_i
if !pattern
puts "ERROR: Expecting rake posts:rebake_match[pattern,type,delay]"
exit 1
elsif delay && delay < 1
puts "ERROR: delay parameter should be an integer and greater than 0"
exit 1
elsif type != 'string' && type != 'regex'
puts "ERROR: Expecting rake posts:rebake_match[pattern,type] where type is string or regex"
exit 1
end
search = Post.raw_match(pattern, type)
rebaked = 0
total = search.count
search.find_each do |post|
rebake_post(post)
print_status(rebaked += 1, total)
sleep(delay) if delay
end
puts "", "#{rebaked} posts done!", ""
end
def rebake_posts_all_sites(opts = {})
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RailsMultisite::ConnectionManagement.each_connection do |db|
rebake_posts(opts)
end
end
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def rebake_posts(opts = {})
puts "Rebaking post markdown for '#{RailsMultisite::ConnectionManagement.current_db}'"
begin
disable_edit_notifications = SiteSetting.disable_edit_notifications
SiteSetting.disable_edit_notifications = true
total = Post.count
rebaked = 0
batch = 1000
Post.update_all('baked_version = NULL')
(0..(total - 1).abs).step(batch) do |i|
Post.order(id: :desc).offset(i).limit(batch).each do |post|
rebake_post(post, opts)
print_status(rebaked += 1, total)
end
end
ensure
SiteSetting.disable_edit_notifications = disable_edit_notifications
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end
puts "", "#{rebaked} posts done!", "-" * 50
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end
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def rebake_post(post, opts = {})
post.rebake!(opts)
rescue => e
puts "", "Failed to rebake (topic_id: #{post.topic_id}, post_id: #{post.id})", e, e.backtrace.join("\n")
end
def print_status(current, max)
print "\r%9d / %d (%5.1f%%)" % [current, max, ((current.to_f / max.to_f) * 100).round(1)]
end
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desc 'normalize all markdown so <pre><code> is not used and instead backticks'
task 'posts:normalize_code' => :environment do
lang = ENV['CODE_LANG'] || ''
require 'import/normalize'
puts "Normalizing"
i = 0
Post.where("raw like '%<pre>%<code>%'").each do |p|
normalized = Import::Normalize.normalize_code_blocks(p.raw, lang)
if normalized != p.raw
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p.revise(Discourse.system_user, raw: normalized)
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putc "."
i += 1
end
end
puts
puts "#{i} posts normalized!"
end
def remap_posts(find, type, replace = "")
i = 0
Post.raw_match(find, type).find_each do |p|
new_raw =
case type
when 'string' then p.raw.gsub(/#{Regexp.escape(find)}/, replace)
when 'regex' then p.raw.gsub(/#{find}/, replace)
end
if new_raw != p.raw
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begin
p.revise(Discourse.system_user, { raw: new_raw }, bypass_bump: true, skip_revision: true)
putc "."
i += 1
rescue
puts "\nFailed to remap post (topic_id: #{p.topic_id}, post_id: #{p.id})\n"
end
end
end
i
end
desc 'Remap all posts matching specific string'
task 'posts:remap', [:find, :replace, :type] => [:environment] do |_, args|
require 'highline/import'
args.with_defaults(type: 'string')
find = args[:find]
replace = args[:replace]
type = args[:type]&.downcase
if !find
puts "ERROR: Expecting rake posts:remap['find','replace']"
exit 1
elsif !replace
puts "ERROR: Expecting rake posts:remap['find','replace']. Want to delete a word/string instead? Try rake posts:delete_word['word-to-delete']"
exit 1
elsif type != 'string' && type != 'regex'
puts "ERROR: Expecting rake posts:delete_word[pattern, type] where type is string or regex"
exit 1
else
confirm_replace = ask("Are you sure you want to replace all #{type} occurrences of '#{find}' with '#{replace}'? (Y/n)")
exit 1 unless (confirm_replace == "" || confirm_replace.downcase == 'y')
end
puts "Remapping"
total = remap_posts(find, type, replace)
puts "", "#{total} posts remapped!", ""
end
desc 'Delete occurrence of a word/string'
task 'posts:delete_word', [:find, :type] => [:environment] do |_, args|
require 'highline/import'
args.with_defaults(type: 'string')
find = args[:find]
type = args[:type]&.downcase
if !find
puts "ERROR: Expecting rake posts:delete_word['word-to-delete']"
exit 1
elsif type != 'string' && type != 'regex'
puts "ERROR: Expecting rake posts:delete_word[pattern, type] where type is string or regex"
exit 1
else
confirm_delete = ask("Are you sure you want to remove all #{type} occurrences of '#{find}'? (Y/n)")
exit 1 unless (confirm_delete == "" || confirm_delete.downcase == 'y')
end
puts "Processing"
total = remap_posts(find, type)
puts "", "#{total} posts updated!", ""
end
desc 'Delete all likes'
task 'posts:delete_all_likes' => :environment do
post_actions = PostAction.where(post_action_type_id: PostActionType.types[:like])
likes_deleted = 0
total = post_actions.count
post_actions.each do |post_action|
begin
post_action.remove_act!(Discourse.system_user)
print_status(likes_deleted += 1, total)
rescue
# skip
end
end
UserStat.update_all(likes_given: 0, likes_received: 0) # clear user likes stats
DirectoryItem.update_all(likes_given: 0, likes_received: 0) # clear user directory likes stats
puts "", "#{likes_deleted} likes deleted!", ""
end
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desc 'Defer all flags'
task 'posts:defer_all_flags' => :environment do
active_flags = FlagQuery.flagged_post_actions('active')
flags_deferred = 0
total = active_flags.count
active_flags.each do |post_action|
begin
PostAction.defer_flags!(Post.find(post_action.post_id), Discourse.system_user)
print_status(flags_deferred += 1, total)
rescue
# skip
end
end
puts "", "#{flags_deferred} flags deferred!", ""
end
desc 'Refreshes each post that was received via email'
task 'posts:refresh_emails', [:topic_id] => [:environment] do |_, args|
posts = Post.where.not(raw_email: nil).where(via_email: true)
posts = posts.where(topic_id: args[:topic_id]) if args[:topic_id]
updated = 0
total = posts.count
posts.find_each do |post|
begin
receiver = Email::Receiver.new(post.raw_email)
body, elided = receiver.select_body
body = receiver.add_attachments(body || '', post.user_id)
body << Email::Receiver.elided_html(elided) if elided.present?
post.revise(Discourse.system_user, { raw: body, cook_method: Post.cook_methods[:regular] },
skip_revision: true, skip_validations: true, bypass_bump: true)
rescue
puts "Failed to refresh post (topic_id: #{post.topic_id}, post_id: #{post.id})"
end
updated += 1
print_status(updated, total)
end
puts "", "Done. #{updated} posts updated.", ""
end
desc 'Reorders all posts based on their creation_date'
task 'posts:reorder_posts', [:topic_id] => [:environment] do |_, args|
Post.transaction do
# update sort_order and flip post_number to prevent
# unique constraint violations when updating post_number
builder = DB.build(<<~SQL)
WITH ordered_posts AS (
SELECT
id,
ROW_NUMBER()
OVER (
PARTITION BY topic_id
ORDER BY created_at, post_number ) AS new_post_number
FROM posts
/*where*/
)
UPDATE posts AS p
SET sort_order = o.new_post_number,
post_number = p.post_number * -1
FROM ordered_posts AS o
WHERE p.id = o.id AND
p.post_number <> o.new_post_number
SQL
builder.where("topic_id = :topic_id") if args[:topic_id]
builder.exec(topic_id: args[:topic_id])
DB.exec(<<~SQL)
UPDATE notifications AS x
SET post_number = p.sort_order
FROM posts AS p
WHERE x.topic_id = p.topic_id AND
x.post_number = ABS(p.post_number) AND
p.post_number < 0
SQL
DB.exec(<<~SQL)
UPDATE post_timings AS x
SET post_number = x.post_number * -1
FROM posts AS p
WHERE x.topic_id = p.topic_id AND
x.post_number = ABS(p.post_number) AND
p.post_number < 0;
UPDATE post_timings AS t
SET post_number = p.sort_order
FROM posts AS p
WHERE t.topic_id = p.topic_id AND
t.post_number = p.post_number AND
p.post_number < 0;
SQL
DB.exec(<<~SQL)
UPDATE posts AS x
SET reply_to_post_number = p.sort_order
FROM posts AS p
WHERE x.topic_id = p.topic_id AND
x.reply_to_post_number = ABS(p.post_number) AND
p.post_number < 0;
SQL
DB.exec(<<~SQL)
UPDATE topic_users AS x
SET last_read_post_number = p.sort_order
FROM posts AS p
WHERE x.topic_id = p.topic_id AND
x.last_read_post_number = ABS(p.post_number) AND
p.post_number < 0;
UPDATE topic_users AS x
SET highest_seen_post_number = p.sort_order
FROM posts AS p
WHERE x.topic_id = p.topic_id AND
x.highest_seen_post_number = ABS(p.post_number) AND
p.post_number < 0;
UPDATE topic_users AS x
SET last_emailed_post_number = p.sort_order
FROM posts AS p
WHERE x.topic_id = p.topic_id AND
x.last_emailed_post_number = ABS(p.post_number) AND
p.post_number < 0;
SQL
# finally update the post_number
DB.exec(<<~SQL)
UPDATE posts
SET post_number = sort_order
WHERE post_number < 0
SQL
end
puts "", "Done.", ""
end