511 lines
16 KiB
Ruby
511 lines
16 KiB
Ruby
require 'mysql2'
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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class ImportScripts::Bbpress < ImportScripts::Base
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BB_PRESS_HOST ||= ENV['BBPRESS_HOST'] || "localhost"
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BB_PRESS_DB ||= ENV['BBPRESS_DB'] || "bbpress"
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BATCH_SIZE ||= 1000
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BB_PRESS_PW ||= ENV['BBPRESS_PW'] || ""
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BB_PRESS_USER ||= ENV['BBPRESS_USER'] || "root"
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BB_PRESS_PREFIX ||= ENV['BBPRESS_PREFIX'] || "wp_"
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BB_PRESS_ATTACHMENTS_DIR ||= ENV['BBPRESS_ATTACHMENTS_DIR'] || "/path/to/attachments"
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def initialize
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super
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@he = HTMLEntities.new
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@client = Mysql2::Client.new(
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host: BB_PRESS_HOST,
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username: BB_PRESS_USER,
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database: BB_PRESS_DB,
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password: BB_PRESS_PW,
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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_anonymous_users
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import_categories
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import_topics_and_posts
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import_private_messages
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import_attachments
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create_permalinks
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end
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def import_users
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puts "", "importing users..."
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last_user_id = -1
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total_users = bbpress_query(<<-SQL
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SELECT COUNT(DISTINCT(u.id)) AS cnt
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FROM #{BB_PRESS_PREFIX}users u
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LEFT JOIN #{BB_PRESS_PREFIX}posts p ON p.post_author = u.id
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WHERE p.post_type IN ('forum', 'reply', 'topic')
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AND user_email LIKE '%@%'
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SQL
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).first["cnt"]
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batches(BATCH_SIZE) do |offset|
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users = bbpress_query(<<-SQL
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SELECT u.id, user_nicename, display_name, user_email, user_registered, user_url, user_pass
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FROM #{BB_PRESS_PREFIX}users u
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LEFT JOIN #{BB_PRESS_PREFIX}posts p ON p.post_author = u.id
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WHERE user_email LIKE '%@%'
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AND p.post_type IN ('forum', 'reply', 'topic')
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AND u.id > #{last_user_id}
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GROUP BY u.id
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ORDER BY u.id
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LIMIT #{BATCH_SIZE}
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SQL
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).to_a
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break if users.empty?
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last_user_id = users[-1]["id"]
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user_ids = users.map { |u| u["id"].to_i }
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next if all_records_exist?(:users, user_ids)
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user_ids_sql = user_ids.join(",")
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users_description = {}
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bbpress_query(<<-SQL
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SELECT user_id, meta_value description
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FROM #{BB_PRESS_PREFIX}usermeta
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WHERE user_id IN (#{user_ids_sql})
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AND meta_key = 'description'
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SQL
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).each { |um| users_description[um["user_id"]] = um["description"] }
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users_last_activity = {}
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bbpress_query(<<-SQL
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SELECT user_id, meta_value last_activity
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FROM #{BB_PRESS_PREFIX}usermeta
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WHERE user_id IN (#{user_ids_sql})
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AND meta_key = 'last_activity'
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SQL
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).each { |um| users_last_activity[um["user_id"]] = um["last_activity"] }
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create_users(users, total: total_users, offset: offset) do |u|
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{
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id: u["id"].to_i,
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username: u["user_nicename"],
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password: u["user_pass"],
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email: u["user_email"].downcase,
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name: u["display_name"].presence || u['user_nicename'],
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created_at: u["user_registered"],
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website: u["user_url"],
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bio_raw: users_description[u["id"]],
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last_seen_at: users_last_activity[u["id"]],
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}
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end
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end
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end
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def import_anonymous_users
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puts "", "importing anonymous users..."
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anon_posts = Hash.new
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anon_names = Hash.new
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emails = Array.new
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# gather anonymous users via postmeta table
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bbpress_query(<<-SQL
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SELECT post_id, meta_key, meta_value
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FROM #{BB_PRESS_PREFIX}postmeta
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WHERE meta_key LIKE '_bbp_anonymous%'
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SQL
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).each do |pm|
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anon_posts[pm['post_id']] = Hash.new if not anon_posts[pm['post_id']]
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if pm['meta_key'] == '_bbp_anonymous_email'
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anon_posts[pm['post_id']]['email'] = pm['meta_value']
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end
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if pm['meta_key'] == '_bbp_anonymous_name'
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anon_posts[pm['post_id']]['name'] = pm['meta_value']
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end
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if pm['meta_key'] == '_bbp_anonymous_website'
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anon_posts[pm['post_id']]['website'] = pm['meta_value']
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end
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end
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# gather every existent username
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anon_posts.each do |id, post|
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anon_names[post['name']] = Hash.new if not anon_names[post['name']]
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# overwriting email address, one user can only use one email address
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anon_names[post['name']]['email'] = post['email']
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anon_names[post['name']]['website'] = post['website'] if post['website'] != ''
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end
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# make sure every user name has a unique email address
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anon_names.each do |k, name|
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if not emails.include? name['email']
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emails.push ( name['email'])
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else
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name['email'] = "anonymous_#{SecureRandom.hex}@no-email.invalid"
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end
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end
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create_users(anon_names) do |k, n|
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{
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id: k,
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email: n["email"].downcase,
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name: k,
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website: n["website"]
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}
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end
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end
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def import_categories
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puts "", "importing categories..."
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categories = bbpress_query(<<-SQL
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SELECT id, post_name, post_parent
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FROM #{BB_PRESS_PREFIX}posts
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WHERE post_type = 'forum'
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AND LENGTH(COALESCE(post_name, '')) > 0
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ORDER BY post_parent, id
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SQL
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)
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create_categories(categories) do |c|
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category = { id: c['id'], name: c['post_name'] }
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if (parent_id = c['post_parent'].to_i) > 0
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category[:parent_category_id] = category_id_from_imported_category_id(parent_id)
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end
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category
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end
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end
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def import_topics_and_posts
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puts "", "importing topics and posts..."
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last_post_id = -1
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total_posts = bbpress_query(<<-SQL
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SELECT COUNT(*) count
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FROM #{BB_PRESS_PREFIX}posts
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WHERE post_status <> 'spam'
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AND post_type IN ('topic', 'reply')
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SQL
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).first["count"]
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batches(BATCH_SIZE) do |offset|
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posts = bbpress_query(<<-SQL
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SELECT id,
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post_author,
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post_date,
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post_content,
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post_title,
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post_type,
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post_parent
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FROM #{BB_PRESS_PREFIX}posts
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WHERE post_status <> 'spam'
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AND post_type IN ('topic', 'reply')
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AND id > #{last_post_id}
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ORDER BY id
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LIMIT #{BATCH_SIZE}
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SQL
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).to_a
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break if posts.empty?
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last_post_id = posts[-1]["id"].to_i
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post_ids = posts.map { |p| p["id"].to_i }
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next if all_records_exist?(:posts, post_ids)
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post_ids_sql = post_ids.join(",")
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posts_likes = {}
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bbpress_query(<<-SQL
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SELECT post_id, meta_value likes
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FROM #{BB_PRESS_PREFIX}postmeta
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WHERE post_id IN (#{post_ids_sql})
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AND meta_key = 'Likes'
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SQL
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).each { |pm| posts_likes[pm["post_id"]] = pm["likes"].to_i }
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anon_names = {}
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bbpress_query(<<-SQL
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SELECT post_id, meta_value
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FROM #{BB_PRESS_PREFIX}postmeta
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WHERE post_id IN (#{post_ids_sql})
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AND meta_key = '_bbp_anonymous_name'
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SQL
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).each { |pm| anon_names[pm["post_id"]] = pm["meta_value"] }
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create_posts(posts, total: total_posts, offset: offset) do |p|
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skip = false
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user_id = user_id_from_imported_user_id(p["post_author"]) ||
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find_user_by_import_id(p["post_author"]).try(:id) ||
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user_id_from_imported_user_id(anon_names[p['id']]) ||
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find_user_by_import_id(anon_names[p['id']]).try(:id) ||
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-1
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post = {
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id: p["id"],
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user_id: user_id,
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raw: p["post_content"],
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created_at: p["post_date"],
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like_count: posts_likes[p["id"]],
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}
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if post[:raw].present?
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post[:raw].gsub!(/\<pre\>\<code(=[a-z]*)?\>(.*?)\<\/code\>\<\/pre\>/im) { "```\n#{@he.decode($2)}\n```" }
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end
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if p["post_type"] == "topic"
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post[:category] = category_id_from_imported_category_id(p["post_parent"])
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post[:title] = CGI.unescapeHTML(p["post_title"])
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else
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if parent = topic_lookup_from_imported_post_id(p["post_parent"])
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post[:topic_id] = parent[:topic_id]
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post[:reply_to_post_number] = parent[:post_number] if parent[:post_number] > 1
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else
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puts "Skipping #{p["id"]}: #{p["post_content"][0..40]}"
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skip = true
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end
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end
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skip ? nil : post
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end
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end
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end
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def import_attachments
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import_attachments_from_postmeta
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import_attachments_from_bb_attachments
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end
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def import_attachments_from_postmeta
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puts "", "Importing attachments from 'postmeta'..."
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count = 0
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last_attachment_id = -1
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total_attachments = bbpress_query(<<-SQL
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SELECT COUNT(*) count
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FROM #{BB_PRESS_PREFIX}postmeta pm
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JOIN #{BB_PRESS_PREFIX}posts p ON p.id = pm.post_id
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WHERE pm.meta_key = '_wp_attached_file'
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AND p.post_parent > 0
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SQL
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).first["count"]
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batches(BATCH_SIZE) do |offset|
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attachments = bbpress_query(<<-SQL
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SELECT pm.meta_id id, pm.meta_value, p.post_parent post_id
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FROM #{BB_PRESS_PREFIX}postmeta pm
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JOIN #{BB_PRESS_PREFIX}posts p ON p.id = pm.post_id
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WHERE pm.meta_key = '_wp_attached_file'
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AND p.post_parent > 0
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AND pm.meta_id > #{last_attachment_id}
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ORDER BY pm.meta_id
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LIMIT #{BATCH_SIZE}
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SQL
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).to_a
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break if attachments.empty?
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last_attachment_id = attachments[-1]["id"].to_i
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attachments.each do |a|
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print_status(count += 1, total_attachments, get_start_time("attachments_from_postmeta"))
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path = File.join(BB_PRESS_ATTACHMENTS_DIR, a["meta_value"])
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if File.exists?(path)
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if post = Post.find_by(id: post_id_from_imported_post_id(a["post_id"]))
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filename = File.basename(a["meta_value"])
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upload = create_upload(post.user.id, path, filename)
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if upload&.persisted?
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html = html_for_upload(upload, filename)
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if !post.raw[html]
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post.raw << "\n\n" << html
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post.save!
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PostUpload.create!(post: post, upload: upload) unless PostUpload.where(post: post, upload: upload).exists?
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end
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end
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end
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end
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end
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end
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end
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def import_attachments_from_bb_attachments
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puts "", "Importing attachments from 'bb_attachments'..."
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count = 0
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last_attachment_id = -1
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total_attachments = bbpress_query(<<-SQL
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SELECT COUNT(*) count
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FROM #{BB_PRESS_PREFIX}bb_attachments
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WHERE post_id IN (SELECT id FROM #{BB_PRESS_PREFIX}posts WHERE post_status <> 'spam' AND post_type IN ('topic', 'reply'))
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SQL
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).first["count"]
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batches(BATCH_SIZE) do |offset|
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attachments = bbpress_query(<<-SQL
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SELECT id, filename, post_id
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FROM #{BB_PRESS_PREFIX}bb_attachments
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WHERE post_id IN (SELECT id FROM #{BB_PRESS_PREFIX}posts WHERE post_status <> 'spam' AND post_type IN ('topic', 'reply'))
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AND id > #{last_attachment_id}
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ORDER BY id
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LIMIT #{BATCH_SIZE}
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SQL
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).to_a
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break if attachments.empty?
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last_attachment_id = attachments[-1]["id"].to_i
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attachments.each do |a|
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print_status(count += 1, total_attachments, get_start_time("attachments_from_bb_attachments"))
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if path = find_attachment(a["filename"], a["id"])
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if post = Post.find_by(id: post_id_from_imported_post_id(a["post_id"]))
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upload = create_upload(post.user.id, path, a["filename"])
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if upload&.persisted?
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html = html_for_upload(upload, a["filename"])
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if !post.raw[html]
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post.raw << "\n\n" << html
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post.save!
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PostUpload.create!(post: post, upload: upload) unless PostUpload.where(post: post, upload: upload).exists?
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end
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end
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end
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end
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end
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end
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end
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def find_attachment(filename, id)
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@attachments ||= Dir[File.join(BB_PRESS_ATTACHMENTS_DIR, "vf-attachs", "**", "*.*")]
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@attachments.find { |p| p.end_with?("/#{id}.#{filename}") }
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end
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def create_permalinks
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puts "", "creating permalinks..."
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last_topic_id = -1
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batches(BATCH_SIZE) do |offset|
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topics = bbpress_query(<<-SQL
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SELECT id,
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guid
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FROM #{BB_PRESS_PREFIX}posts
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WHERE post_status <> 'spam'
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AND post_type IN ('topic')
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AND id > #{last_topic_id}
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ORDER BY id
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LIMIT #{BATCH_SIZE}
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SQL
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).to_a
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break if topics.empty?
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last_topic_id = topics[-1]["id"].to_i
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topics.each do |t|
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topic = topic_lookup_from_imported_post_id(t['id'])
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Permalink.create(url: URI.parse(t['guid']).path.chomp('/'), topic_id: topic[:topic_id]) rescue nil
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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 "", "importing private messages..."
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last_post_id = -1
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total_posts = bbpress_query("SELECT COUNT(*) count FROM #{BB_PRESS_PREFIX}bp_messages_messages").first["count"]
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threads = {}
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total_count = bbpress_query("SELECT COUNT(*) count FROM #{BB_PRESS_PREFIX}bp_messages_recipients").first["count"]
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current_count = 0
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batches(BATCH_SIZE) do |offset|
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rows = bbpress_query(<<-SQL
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SELECT thread_id, user_id
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FROM #{BB_PRESS_PREFIX}bp_messages_recipients
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ORDER BY id
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset}
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SQL
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).to_a
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break if rows.empty?
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rows.each do |row|
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current_count += 1
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print_status(current_count, total_count, get_start_time('private_messages'))
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threads[row['thread_id']] ||= {
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target_user_ids: [],
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imported_topic_id: nil
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}
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user_id = user_id_from_imported_user_id(row['user_id'])
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if user_id && !threads[row['thread_id']][:target_user_ids].include?(user_id)
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threads[row['thread_id']][:target_user_ids] << user_id
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end
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end
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end
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batches(BATCH_SIZE) do |offset|
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posts = bbpress_query(<<-SQL
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SELECT id,
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thread_id,
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date_sent,
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sender_id,
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subject,
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message
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FROM wp_bp_messages_messages
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WHERE id > #{last_post_id}
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ORDER BY thread_id, date_sent
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LIMIT #{BATCH_SIZE}
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SQL
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).to_a
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break if posts.empty?
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last_post_id = posts[-1]["id"].to_i
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create_posts(posts, total: total_posts, offset: offset) do |post|
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if tcf = TopicCustomField.where(name: 'bb_thread_id', value: post['thread_id']).first
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{
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id: "pm#{post['id']}",
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topic_id: threads[post['thread_id']][:imported_topic_id],
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user_id: user_id_from_imported_user_id(post['sender_id']) || find_user_by_import_id(post['sender_id'])&.id || -1,
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raw: post['message'],
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created_at: post['date_sent'],
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}
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else
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# First post of the thread
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{
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id: "pm#{post['id']}",
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archetype: Archetype.private_message,
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user_id: user_id_from_imported_user_id(post['sender_id']) || find_user_by_import_id(post['sender_id'])&.id || -1,
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title: post['subject'],
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raw: post['message'],
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created_at: post['date_sent'],
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target_usernames: User.where(id: threads[post['thread_id']][:target_user_ids]).pluck(:username),
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post_create_action: proc do |new_post|
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if topic = new_post.topic
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threads[post['thread_id']][:imported_topic_id] = topic.id
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TopicCustomField.create(topic_id: topic.id, name: 'bb_thread_id', value: post['thread_id'])
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else
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puts "Error in post_create_action! Can't find topic!"
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end
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end
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}
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end
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end
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end
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end
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def bbpress_query(sql)
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@client.query(sql, cache_rows: false)
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end
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end
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ImportScripts::Bbpress.new.perform
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