discourse/app/jobs/scheduled/reindex_search.rb

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# frozen_string_literal: true
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module Jobs
class ReindexSearch < ::Jobs::Scheduled
every 2.hours
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def execute(args)
@verbose = args[:verbose]
@cleanup_grace_period = 1.day.ago
rebuild_categories
rebuild_tags
rebuild_topics
rebuild_posts
rebuild_users
clean_topics
clean_posts
end
def rebuild_categories(limit: 500, indexer: SearchIndexer)
category_ids = load_problem_category_ids(limit)
puts "rebuilding #{category_ids.size} categories" if @verbose
category_ids.each do |id|
category = Category.find_by(id: id)
indexer.index(category, force: true) if category
end
end
def rebuild_tags(limit: 1_000, indexer: SearchIndexer)
tag_ids = load_problem_tag_ids(limit)
puts "rebuilding #{tag_ids.size} tags" if @verbose
tag_ids.each do |id|
tag = Tag.find_by(id: id)
indexer.index(tag, force: true) if tag
end
end
def rebuild_topics(limit: 10_000, indexer: SearchIndexer)
topic_ids = load_problem_topic_ids(limit)
puts "rebuilding #{topic_ids.size} topics" if @verbose
topic_ids.each do |id|
topic = Topic.find_by(id: id)
indexer.index(topic, force: true) if topic
end
end
def rebuild_posts(limit: 20_000, indexer: SearchIndexer)
post_ids = load_problem_post_ids(limit)
puts "rebuilding #{post_ids.size} posts" if @verbose
post_ids.each do |id|
post = Post.find_by(id: id)
indexer.index(post, force: true) if post
end
end
def rebuild_users(limit: 5_000, indexer: SearchIndexer)
user_ids = load_problem_user_ids(limit)
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puts "rebuilding #{user_ids.size} users" if @verbose
user_ids.each do |id|
user = User.find_by(id: id)
indexer.index(user, force: true) if user
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end
end
def clean_topics
puts "cleaning up topic search data" if @verbose
# remove search data from deleted topics
DB.exec(<<~SQL, deleted_at: @cleanup_grace_period)
DELETE FROM topic_search_data
WHERE topic_id IN (
SELECT topic_id
FROM topic_search_data
LEFT JOIN topics ON topic_id = topics.id
WHERE topics.id IS NULL
OR (deleted_at IS NOT NULL AND deleted_at <= :deleted_at)
)
SQL
end
def clean_posts
puts "cleaning up post search data" if @verbose
# remove search data from deleted/empty posts
DB.exec(<<~SQL, deleted_at: @cleanup_grace_period)
DELETE FROM post_search_data
WHERE post_id IN (
SELECT post_id
FROM post_search_data
LEFT JOIN posts ON post_id = posts.id
JOIN topics ON posts.topic_id = topics.id
WHERE posts.id IS NULL
OR posts.raw = ''
OR (posts.deleted_at IS NOT NULL AND posts.deleted_at <= :deleted_at)
OR (topics.deleted_at IS NOT NULL AND topics.deleted_at <= :deleted_at)
)
SQL
end
def load_problem_category_ids(limit)
Category
.joins("LEFT JOIN category_search_data ON category_id = categories.id")
.where(
"category_search_data.locale IS NULL OR category_search_data.locale != ? OR category_search_data.version != ?",
SiteSetting.default_locale,
SearchIndexer::CATEGORY_INDEX_VERSION,
)
.order("categories.id ASC")
.limit(limit)
.pluck(:id)
end
def load_problem_tag_ids(limit)
Tag
.joins("LEFT JOIN tag_search_data ON tag_id = tags.id")
.where(
"tag_search_data.locale IS NULL OR tag_search_data.locale != ? OR tag_search_data.version != ?",
SiteSetting.default_locale,
SearchIndexer::TAG_INDEX_VERSION,
)
.order("tags.id ASC")
.limit(limit)
.pluck(:id)
end
def load_problem_topic_ids(limit)
Topic
.joins("LEFT JOIN topic_search_data ON topic_id = topics.id")
.where(
"topic_search_data.locale IS NULL OR topic_search_data.locale != ? OR topic_search_data.version != ?",
SiteSetting.default_locale,
SearchIndexer::TOPIC_INDEX_VERSION,
)
.order("topics.id DESC")
.limit(limit)
.pluck(:id)
end
def load_problem_post_ids(limit)
Post
.joins(:topic)
.joins("LEFT JOIN post_search_data ON post_id = posts.id")
.where("posts.raw != ''")
.where("topics.deleted_at IS NULL")
.where(
"post_search_data.locale IS NULL OR post_search_data.locale != ? OR post_search_data.version != ?",
SiteSetting.default_locale,
SearchIndexer::POST_INDEX_VERSION,
)
.order("posts.id DESC")
.limit(limit)
.pluck(:id)
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end
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def load_problem_user_ids(limit)
User
.joins("LEFT JOIN user_search_data ON user_id = users.id")
.where(
"user_search_data.locale IS NULL OR user_search_data.locale != ? OR user_search_data.version != ?",
SiteSetting.default_locale,
SearchIndexer::USER_INDEX_VERSION,
)
.order("users.id ASC")
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.limit(limit)
.pluck(:id)
end
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end
end