503 lines
14 KiB
Ruby
503 lines
14 KiB
Ruby
# frozen_string_literal: true
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# AnswerHub Importer
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#
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# Based on having access to a mysql dump.
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# Pass in the ENV variables listed below before runing the script.
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require_relative 'base'
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require 'mysql2'
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require 'open-uri'
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class ImportScripts::AnswerHub < ImportScripts::Base
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DB_NAME ||= ENV['DB_NAME'] || "answerhub"
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DB_PASS ||= ENV['DB_PASS'] || "answerhub"
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DB_USER ||= ENV['DB_USER'] || "answerhub"
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TABLE_PREFIX ||= ENV['TABLE_PREFIX'] || "network1"
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BATCH_SIZE ||= ENV['BATCH_SIZE'].to_i || 1000
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ATTACHMENT_DIR = ENV['ATTACHMENT_DIR'] || ''
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PROCESS_UPLOADS = ENV['PROCESS_UPLOADS'].to_i || 0
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ANSWERHUB_DOMAIN = ENV['ANSWERHUB_DOMAIN']
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AVATAR_DIR = ENV['AVATAR_DIR'] || ""
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SITE_ID = ENV['SITE_ID'].to_i || 0
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CATEGORY_MAP_FROM = ENV['CATEGORY_MAP_FROM'].to_i || 0
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CATEGORY_MAP_TO = ENV['CATEGORY_MAP_TO'].to_i || 0
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SCRAPE_AVATARS = ENV['SCRAPE_AVATARS'].to_i || 0
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def initialize
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super
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@client = Mysql2::Client.new(
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host: "localhost",
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username: DB_USER,
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password: DB_PASS,
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database: DB_NAME
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)
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@skip_updates = true
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SiteSetting.tagging_enabled = true
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SiteSetting.max_tags_per_topic = 10
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end
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def execute
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puts "Now starting the AnswerHub Import"
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puts "DB Name: #{DB_NAME}"
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puts "Table Prefix: #{TABLE_PREFIX}"
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puts
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import_users
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import_categories
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import_topics
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import_posts
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import_groups
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add_users_to_groups
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add_moderators
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add_admins
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import_avatars
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create_permalinks
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end
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def import_users
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puts '', "creating users"
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query =
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"SELECT count(*) count
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FROM #{TABLE_PREFIX}_authoritables
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WHERE c_type = 'user'
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AND c_active = 1
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AND c_system <> 1;"
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total_count = @client.query(query).first['count']
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puts "Total count: #{total_count}"
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@last_user_id = -1
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batches(BATCH_SIZE) do |offset|
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query = "SELECT c_id, c_creation_date, c_name, c_primaryEmail, c_last_seen, c_description
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FROM #{TABLE_PREFIX}_authoritables
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WHERE c_type = 'user'
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AND c_active = 1
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AND c_system <> 1
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AND c_id > #{@last_user_id}
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LIMIT #{BATCH_SIZE};"
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results = @client.query(query)
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break if results.size < 1
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@last_user_id = results.to_a.last['c_id']
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create_users(results, total: total_count, offset: offset) do |user|
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# puts user['c_id'].to_s + ' ' + user['c_name']
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next if @lookup.user_id_from_imported_user_id(user['c_id'])
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{ id: user['c_id'],
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email: "#{SecureRandom.hex}@invalid.invalid",
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username: user['c_name'],
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created_at: user['c_creation_date'],
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bio_raw: user['c_description'],
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last_seen_at: user['c_last_seen'],
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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_categories
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puts "", "importing categories..."
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# Import parent categories first
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query = "SELECT c_id, c_name, c_plug, c_parent
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FROM containers
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WHERE c_type = 'space'
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AND c_active = 1
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AND c_parent = 7 OR c_parent IS NULL"
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results = @client.query(query)
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create_categories(results) do |c|
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{
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id: c['c_id'],
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name: c['c_name'],
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parent_category_id: check_parent_id(c['c_parent']),
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}
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end
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# Import sub-categories
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query = "SELECT c_id, c_name, c_plug, c_parent
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FROM containers
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WHERE c_type = 'space'
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AND c_active = 1
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AND c_parent != 7 AND c_parent IS NOT NULL"
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results = @client.query(query)
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create_categories(results) do |c|
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# puts c.inspect
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{
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id: c['c_id'],
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name: c['c_name'],
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parent_category_id: category_id_from_imported_category_id(check_parent_id(c['c_parent'])),
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}
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end
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end
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def import_topics
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puts "", "importing topics..."
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count_query =
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"SELECT count(*) count
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FROM #{TABLE_PREFIX}_nodes
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WHERE c_visibility <> 'deleted'
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AND (c_type = 'question'
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OR c_type = 'kbentry');"
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total_count = @client.query(count_query).first['count']
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@last_topic_id = -1
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batches(BATCH_SIZE) do |offset|
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# Let's start with just question types
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query =
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"SELECT *
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FROM #{TABLE_PREFIX}_nodes
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WHERE c_id > #{@last_topic_id}
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AND c_visibility <> 'deleted'
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AND (c_type = 'question'
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OR c_type = 'kbentry')
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ORDER BY c_id ASC
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LIMIT #{BATCH_SIZE};"
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topics = @client.query(query)
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break if topics.size < 1
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@last_topic_id = topics.to_a.last['c_id']
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create_posts(topics, total: total_count, offset: offset) do |t|
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user_id = user_id_from_imported_user_id(t['c_author']) || Discourse::SYSTEM_USER_ID
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body = process_mentions(t['c_body'])
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if PROCESS_UPLOADS == 1
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body = process_uploads(body, user_id)
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end
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markdown_body = HtmlToMarkdown.new(body).to_markdown
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{
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id: t['c_id'],
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user_id: user_id,
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title: t['c_title'],
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category: category_id_from_imported_category_id(t['c_primaryContainer']),
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raw: markdown_body,
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created_at: t['c_creation_date'],
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post_create_action: proc do |post|
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tag_names = t['c_topic_names'].split(',')
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DiscourseTagging.tag_topic_by_names(post.topic, staff_guardian, tag_names)
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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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def import_posts
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puts "", "importing posts..."
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count_query =
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"SELECT count(*) count
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FROM #{TABLE_PREFIX}_nodes
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WHERE c_visibility <> 'deleted'
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AND (c_type = 'answer'
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OR c_type = 'comment'
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OR c_type = 'kbentry');"
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total_count = @client.query(count_query).first['count']
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@last_post_id = -1
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batches(BATCH_SIZE) do |offset|
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query =
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"SELECT *
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FROM #{TABLE_PREFIX}_nodes
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WHERE c_id > #{@last_post_id}
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AND c_visibility <> 'deleted'
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AND (c_type = 'answer'
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OR c_type = 'comment'
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OR c_type = 'kbentry')
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ORDER BY c_id ASC
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LIMIT #{BATCH_SIZE};"
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posts = @client.query(query)
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next if all_records_exist? :posts, posts.map { |p| p['c_id'] }
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break if posts.size < 1
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@last_post_id = posts.to_a.last['c_id']
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create_posts(posts, total: total_count, offset: offset) do |p|
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t = topic_lookup_from_imported_post_id(p['c_originalParent'])
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next unless t
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reply_to_post_id = post_id_from_imported_post_id(p['c_parent'])
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reply_to_post = reply_to_post_id.present? ? Post.find(reply_to_post_id) : nil
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reply_to_post_number = reply_to_post.present? ? reply_to_post.post_number : nil
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user_id = user_id_from_imported_user_id(p['c_author']) || Discourse::SYSTEM_USER_ID
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body = process_mentions(p['c_body'])
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if PROCESS_UPLOADS == 1
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body = process_uploads(body, user_id)
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end
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markdown_body = HtmlToMarkdown.new(body).to_markdown
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{
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id: p['c_id'],
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user_id: user_id,
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topic_id: t[:topic_id],
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reply_to_post_number: reply_to_post_number,
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raw: markdown_body,
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created_at: p['c_creation_date'],
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post_create_action: proc do |post_info|
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begin
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if p['c_type'] == 'answer' && p['c_marked'] == 1
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post = Post.find(post_info[:id])
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if post
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user_id = user_id_from_imported_user_id(p['c_author']) || Discourse::SYSTEM_USER_ID
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current_user = User.find(user_id)
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solved = DiscourseSolved.accept_answer!(post, current_user)
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# puts "SOLVED: #{solved}"
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end
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end
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rescue ActiveRecord::RecordInvalid
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puts "SOLVED: Skipped post_id: #{post.id} because invalid"
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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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def import_groups
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puts "", "importing groups..."
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query =
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"SELECT c_id, c_name
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FROM network6_authoritables
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WHERE c_type='group'
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AND c_id > 6;" # Ignore Anonymous, Users, Moderators, etc.
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groups = @client.query(query)
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create_groups(groups) do |group|
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{
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id: group["c_id"],
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name: group["c_name"],
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visibility_level: 1
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}
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end
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end
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def add_users_to_groups
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puts "", "adding users to groups..."
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query =
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"SELECT c_id, c_name
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FROM network6_authoritables
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WHERE c_type='group'
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AND c_id > 6;" # Ignore Anonymous, Users, Moderators, etc.
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groups = @client.query(query)
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members_query =
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"SELECT *
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FROM network6_authoritable_groups;"
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group_members = @client.query(members_query)
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total_count = groups.count
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progress_count = 0
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start_time = Time.now
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group_members.map
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groups.each do |group|
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dgroup = find_group_by_import_id(group['c_id'])
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next if dgroup.custom_fields['import_users_added']
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group_member_ids = group_members.map { |m| user_id_from_imported_user_id(m["c_members"]) if m["c_groups"] == group['c_id'] }.compact
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# add members
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dgroup.bulk_add(group_member_ids)
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# reload group
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dgroup.reload
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dgroup.custom_fields['import_users_added'] = true
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dgroup.save
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progress_count += 1
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print_status(progress_count, total_count, start_time)
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end
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end
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def add_moderators
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puts "", "adding moderators..."
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query =
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"SELECT *
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FROM network6_authoritable_groups
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WHERE c_groups = 4;"
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moderators = @client.query(query)
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moderator_ids = moderators.map { |m| user_id_from_imported_user_id(m["c_members"]) }.compact
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moderator_ids.each do |id|
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user = User.find(id)
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user.grant_moderation!
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end
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end
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def add_admins
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puts "", "adding admins..."
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query =
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"SELECT *
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FROM network6_authoritable_groups
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WHERE c_groups = 5 OR c_groups = 6;" # Super Users, Network Administrators
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admins = @client.query(query)
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admin_ids = admins.map { |a| user_id_from_imported_user_id(a["c_members"]) }.compact
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admin_ids.each do |id|
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user = User.find(id)
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user.grant_admin!
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end
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end
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def import_avatars
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puts "", "importing user avatars"
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query =
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"SELECT *
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FROM network6_user_preferences
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WHERE c_key = 'avatarImage'"
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avatars = @client.query(query)
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avatars.each do |a|
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begin
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user_id = user_id_from_imported_user_id(a['c_user'])
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user = User.find(user_id)
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if user
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filename = "avatar-#{user_id}.png"
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path = File.join(AVATAR_DIR, filename)
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next if !File.exists?(path)
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# Scrape Avatars - Avatars are saved in the db, but it might be easier to just scrape them
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if SCRAPE_AVATARS == 1
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File.open(path, 'wb') { |f|
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f << open("https://#{ANSWERHUB_DOMAIN}/forums/users/#{a['c_user']}/photo/view.html?s=240").read
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}
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end
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upload = @uploader.create_upload(user.id, path, filename)
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if upload.persisted?
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user.import_mode = false
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user.create_user_avatar
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user.import_mode = true
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user.user_avatar.update(custom_upload_id: upload.id)
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user.update(uploaded_avatar_id: upload.id)
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else
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Rails.logger.error("Could not persist avatar for user #{user.username}")
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end
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end
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rescue ActiveRecord::RecordNotFound
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puts "Could not find User for user_id: #{a['c_user']}"
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end
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end
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end
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def process_uploads(body, user_id)
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if body.match(/<img src="\/forums\/storage\/attachments\/[\w-]*.[a-z]{3,4}">/)
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# There could be multiple images in a post
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images = body.scan(/<img src="\/forums\/storage\/attachments\/[\w-]*.[a-z]{3,4}">/)
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images.each do |image|
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filepath = File.basename(image).split('"')[0]
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filepath = File.join(ATTACHMENT_DIR, filepath)
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if File.exists?(filepath)
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filename = File.basename(filepath)
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upload = create_upload(user_id, filepath, filename)
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image_html = html_for_upload(upload, filename)
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original_image_html = '<img src="/forums/storage/attachments/' + filename + '">'
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body.sub!(original_image_html, image_html)
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end
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end
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end
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# Non-images
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if body.match(/<a href="\/forums\/storage\/attachments\/[\w-]*.[a-z]{3,4}">/)
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# There could be multiple files in a post
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files = body.scan(/<a href="\/forums\/storage\/attachments\/[\w-]*.[a-z]{3,4}">/)
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files.each do |file|
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filepath = File.basename(file).split('"')[0]
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filepath = File.join(ATTACHMENT_DIR, filepath)
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if File.exists?(filepath)
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filename = File.basename(filepath)
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upload = create_upload(user_id, filepath, filename)
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file_html = html_for_upload(upload, filename)
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original_file_html = '<a href="/forums/storage/attachments/' + filename + '">'
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body.sub!(original_file_html, file_html)
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end
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end
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end
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body
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end
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def process_mentions(body)
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raw = body.dup
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# https://example.forum.com/forums/users/1469/XYZ_Rob.html
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raw.gsub!(/(https:\/\/example.forum.com\/forums\/users\/\d+\/[\w_%-.]*.html)/) do
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legacy_url = $1
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import_user_id = legacy_url.match(/https:\/\/example.forum.com\/forums\/users\/(\d+)\/[\w_%-.]*.html/).captures
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user = @lookup.find_user_by_import_id(import_user_id[0])
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if user.present?
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# puts "/users/#{user.username}"
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"/users/#{user.username}"
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else
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# puts legacy_url
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legacy_url
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end
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end
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# /forums/users/395/petrocket.html
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raw.gsub!(/(\/forums\/users\/\d+\/[\w_%-.]*.html)/) do
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legacy_url = $1
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import_user_id = legacy_url.match(/\/forums\/users\/(\d+)\/[\w_%-.]*.html/).captures
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# puts raw
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user = @lookup.find_user_by_import_id(import_user_id[0])
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if user.present?
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# puts "/users/#{user.username}"
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"/users/#{user.username}"
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else
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# puts legacy_url
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legacy_url
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end
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end
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raw
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end
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def create_permalinks
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puts '', 'Creating redirects...', ''
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# https://example.forum.com/forums/questions/2005/missing-file.html
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Topic.find_each do |topic|
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pcf = topic.first_post.custom_fields
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if pcf && pcf["import_id"]
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id = pcf["import_id"]
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slug = Slug.for(topic.title)
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Permalink.create(url: "questions/#{id}/#{slug}.html", topic_id: topic.id) rescue nil
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print '.'
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end
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end
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end
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def staff_guardian
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@_staff_guardian ||= Guardian.new(Discourse.system_user)
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end
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# Some category parent id's need to be adjusted
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def check_parent_id(id)
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return nil if SITE_ID > 0 && id == SITE_ID
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return CATEGORY_MAP_TO if CATEGORY_MAP_FROM > 0 && id == CATEGORY_MAP_FROM
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id
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end
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end
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ImportScripts::AnswerHub.new.perform
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