493 lines
15 KiB
Ruby
493 lines
15 KiB
Ruby
require_relative 'base'
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require 'tiny_tds'
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# Import script for Telligent communities
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#
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# Users are currently imported from a temp table. This will need some
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# work the next time this import script is used, because that table
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# won't exist. Also, it's really hard to find all attachments, but
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# the script tries to do it anyway.
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class ImportScripts::Telligent < ImportScripts::Base
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BATCH_SIZE ||= 1000
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LOCAL_AVATAR_REGEX ||= /\A~\/.*(?<directory>communityserver-components-(?:selectable)?avatars)\/(?<path>[^\/]+)\/(?<filename>.+)/i
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REMOTE_AVATAR_REGEX ||= /\Ahttps?:\/\//i
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EMBEDDED_ATTACHMENT_REGEX ||= /<a href="\/cfs-file(?:\.ashx)?\/__key\/(?<directory>[^\/]+)\/(?<path>[^\/]+)\/(?<filename1>.+)">(?<filename2>.*?)<\/a>/i
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CATEGORY_LINK_NORMALIZATION = '/.*?(f\/\d+)$/\1'
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TOPIC_LINK_NORMALIZATION = '/.*?(f\/\d+\/t\/\d+)$/\1'
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def initialize
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super()
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@client = TinyTds::Client.new(
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host: ENV["DB_HOST"],
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username: ENV["DB_USERNAME"],
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password: ENV["DB_PASSWORD"],
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database: ENV["DB_NAME"]
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)
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end
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def execute
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add_permalink_normalizations
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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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mark_topics_as_solved
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end
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def import_users
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puts "", "Importing users..."
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user_conditions = <<~SQL
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(
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EXISTS(SELECT 1
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FROM te_Forum_Threads t
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WHERE t.UserId = u.UserID) OR
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EXISTS(SELECT 1
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FROM te_Forum_ThreadReplies r
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WHERE r.UserId = u.UserID)
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)
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SQL
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last_user_id = -1
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total_count = count(<<~SQL)
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SELECT COUNT(1) AS count
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FROM temp_User u
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WHERE #{user_conditions}
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SQL
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batches do |offset|
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rows = query(<<~SQL)
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SELECT TOP #{BATCH_SIZE} *
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FROM
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(
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SELECT
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u.UserID,
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u.Email,
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u.UserName,
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u.CommonName,
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u.CreateDate,
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p.PropertyName,
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p.PropertyValue
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FROM temp_User u
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LEFT OUTER JOIN temp_UserProperties p ON (u.UserID = p.UserID)
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WHERE u.UserID > #{last_user_id} AND #{user_conditions}
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) x
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PIVOT (
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MAX(PropertyValue)
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FOR PropertyName
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IN (avatarUrl, bio, Location, webAddress, BannedUntil, UserBanReason)
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) y
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ORDER BY UserID
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SQL
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break if rows.blank?
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last_user_id = rows[-1]["UserID"]
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next if all_records_exist?(:users, rows.map { |row| row["UserID"] })
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create_users(rows, total: total_count, offset: offset) do |row|
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{
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id: row["UserID"],
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email: row["Email"],
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username: row["UserName"],
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name: row["CommonName"],
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created_at: row["CreateDate"],
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bio_raw: html_to_markdown(row["bio"]),
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location: row["Location"],
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website: row["webAddress"],
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post_create_action: proc do |user|
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import_avatar(user, row["avatarUrl"])
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suspend_user(user, row["BannedUntil"], row["UserBanReason"])
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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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# TODO move into base importer (create_user) and use consistent error handling
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def import_avatar(user, avatar_url)
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return if avatar_url.blank? || avatar_url.include?("anonymous")
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if match_data = avatar_url.match(LOCAL_AVATAR_REGEX)
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avatar_path = File.join(ENV["FILE_BASE_DIR"],
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match_data[:directory].gsub("-", "."),
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match_data[:path].split("-"),
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match_data[:filename])
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if File.exists?(avatar_path)
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@uploader.create_avatar(user, avatar_path)
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else
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STDERR.puts "Could not find avatar: #{avatar_path}"
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end
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elsif avatar_url.match?(REMOTE_AVATAR_REGEX)
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UserAvatar.import_url_for_user(avatar_url, user) rescue nil
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end
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end
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def suspend_user(user, banned_until, ban_reason)
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return if banned_until.blank?
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if banned_until = DateTime.parse(banned_until) > DateTime.now
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user.suspended_till = banned_until
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user.suspended_at = DateTime.now
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user.save!
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StaffActionLogger.new(Discourse.system_user).log_user_suspend(user, ban_reason)
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end
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end
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def import_categories
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@new_parent_categories = {}
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@new_parent_categories[:archives] = create_category({ name: "Archives" }, nil)
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@new_parent_categories[:spotlight] = create_category({ name: "Spotlight" }, nil)
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@new_parent_categories[:optimizer] = create_category({ name: "SQL Optimizer" }, nil)
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puts "", "Importing parent categories..."
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parent_categories = query(<<~SQL)
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SELECT
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GroupID,
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Name, HtmlDescription,
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DateCreated, SortOrder
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FROM cs_Groups g
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WHERE (SELECT COUNT(1)
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FROM te_Forum_Forums f
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WHERE f.GroupId = g.GroupID) > 1
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ORDER BY SortOrder, Name
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SQL
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create_categories(parent_categories) do |row|
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{
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id: "G#{row['GroupID']}",
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name: clean_category_name(row["Name"]),
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description: html_to_markdown(row["HtmlDescription"]),
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position: row["SortOrder"]
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}
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end
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puts "", "Importing child categories..."
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child_categories = query(<<~SQL)
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SELECT
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ForumId, GroupId,
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Name, Description,
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DateCreated, SortOrder
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FROM te_Forum_Forums
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ORDER BY GroupId, SortOrder, Name
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SQL
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create_categories(child_categories) do |row|
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parent_category_id = parent_category_id_for(row)
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if category_id = replace_with_category_id(row, child_categories, parent_category_id)
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add_category(row['ForumId'], Category.find_by_id(category_id))
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url = "f/#{row['ForumId']}"
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Permalink.create(url: url, category_id: category_id) unless Permalink.exists?(url: url)
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nil
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else
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{
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id: row['ForumId'],
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parent_category_id: parent_category_id,
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name: clean_category_name(row["Name"]),
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description: html_to_markdown(row["Description"]),
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position: row["SortOrder"]
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}
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end
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end
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end
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def parent_category_id_for(row)
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name = row["Name"].downcase
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if name.include?("beta")
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@new_parent_categories[:archives].id
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elsif name.include?("spotlight")
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@new_parent_categories[:spotlight].id
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elsif name.include?("optimizer")
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@new_parent_categories[:optimizer].id
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elsif row.key?("GroupId")
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category_id_from_imported_category_id("G#{row['GroupId']}")
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else
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nil
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end
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end
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def replace_with_category_id(row, child_categories, parent_category_id)
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name = row["Name"].downcase
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if name.include?("data modeler") || name.include?("benchmark")
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category_id_from_imported_category_id("G#{row['GroupId']}")
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elsif only_child?(child_categories, parent_category_id)
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parent_category_id
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end
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end
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def only_child?(child_categories, parent_category_id)
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count = 0
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child_categories.each do |row|
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count += 1 if parent_category_id_for(row) == parent_category_id
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end
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count == 1
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end
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def clean_category_name(name)
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CGI.unescapeHTML(name)
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.sub(/(?:\- )?Forum/i, "")
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.strip
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end
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def import_topics
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puts "", "Importing topics..."
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last_topic_id = -1
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total_count = count("SELECT COUNT(1) AS count FROM te_Forum_Threads")
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batches do |offset|
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rows = query(<<~SQL)
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SELECT TOP #{BATCH_SIZE}
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t.ThreadId, t.ForumId, t.UserId,
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t.Subject, t.Body, t.DateCreated, t.IsLocked, t.StickyDate,
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a.ApplicationTypeId, a.ApplicationId, a.ApplicationContentTypeId, a.ContentId, a.FileName
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FROM te_Forum_Threads t
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LEFT JOIN te_Attachments a
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ON (a.ApplicationId = t.ForumId AND a.ApplicationTypeId = 0 AND a.ContentId = t.ThreadId AND
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a.ApplicationContentTypeId = 0)
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WHERE t.ThreadId > #{last_topic_id}
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ORDER BY t.ThreadId
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SQL
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break if rows.blank?
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last_topic_id = rows[-1]["ThreadId"]
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next if all_records_exist?(:post, rows.map { |row| import_topic_id(row["ThreadId"]) })
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create_posts(rows, total: total_count, offset: offset) do |row|
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user_id = user_id_from_imported_user_id(row["UserId"]) || Discourse::SYSTEM_USER_ID
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post = {
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id: import_topic_id(row["ThreadId"]),
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title: CGI.unescapeHTML(row["Subject"]),
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raw: raw_with_attachment(row, user_id),
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category: category_id_from_imported_category_id(row["ForumId"]),
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user_id: user_id,
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created_at: row["DateCreated"],
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closed: row["IsLocked"],
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post_create_action: proc do |post|
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topic = post.topic
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Jobs.enqueue_at(topic.pinned_until, :unpin_topic, topic_id: topic.id) if topic.pinned_until
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url = "f/#{row['ForumId']}/t/#{row['ThreadId']}"
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Permalink.create(url: url, topic_id: topic.id) unless Permalink.exists?(url: url)
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end
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}
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if row["StickyDate"] > Time.now
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post[:pinned_until] = row["StickyDate"]
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post[:pinned_at] = row["DateCreated"]
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end
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post
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end
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end
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end
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def import_topic_id(topic_id)
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"T#{topic_id}"
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end
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def import_posts
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puts "", "Importing posts..."
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last_post_id = -1
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total_count = count("SELECT COUNT(1) AS count FROM te_Forum_ThreadReplies")
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batches do |offset|
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rows = query(<<~SQL)
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SELECT TOP #{BATCH_SIZE}
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tr.ThreadReplyId, tr.ThreadId, tr.UserId, tr.ParentReplyId,
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tr.Body, tr.ThreadReplyDate,
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CONVERT(BIT,
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CASE WHEN tr.AnswerVerifiedUtcDate IS NOT NULL AND NOT EXISTS(
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SELECT 1
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FROM te_Forum_ThreadReplies x
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WHERE
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x.ThreadId = tr.ThreadId AND x.ThreadReplyId < tr.ThreadReplyId AND x.AnswerVerifiedUtcDate IS NOT NULL
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)
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THEN 1
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ELSE 0 END) AS IsFirstVerifiedAnswer,
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a.ApplicationTypeId, a.ApplicationId, a.ApplicationContentTypeId, a.ContentId, a.FileName
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FROM te_Forum_ThreadReplies tr
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JOIN te_Forum_Threads t ON (tr.ThreadId = t.ThreadId)
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LEFT JOIN te_Attachments a
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ON (a.ApplicationId = t.ForumId AND a.ApplicationTypeId = 0 AND a.ContentId = tr.ThreadReplyId AND
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a.ApplicationContentTypeId = 1)
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WHERE tr.ThreadReplyId > #{last_post_id}
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ORDER BY tr.ThreadReplyId
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SQL
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break if rows.blank?
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last_post_id = rows[-1]["ThreadReplyId"]
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next if all_records_exist?(:post, rows.map { |row| row["ThreadReplyId"] })
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create_posts(rows, total: total_count, offset: offset) do |row|
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imported_parent_id = row["ParentReplyId"] > 0 ? row["ParentReplyId"] : import_topic_id(row["ThreadId"])
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parent_post = topic_lookup_from_imported_post_id(imported_parent_id)
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user_id = user_id_from_imported_user_id(row["UserId"]) || Discourse::SYSTEM_USER_ID
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if parent_post
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post = {
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id: row["ThreadReplyId"],
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raw: raw_with_attachment(row, user_id),
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user_id: user_id,
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topic_id: parent_post[:topic_id],
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created_at: row["ThreadReplyDate"],
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reply_to_post_number: parent_post[:post_number]
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}
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post[:custom_fields] = { is_accepted_answer: "true" } if row["IsFirstVerifiedAnswer"]
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post
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else
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puts "Failed to import post #{row['ThreadReplyId']}. Parent was not found."
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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 raw_with_attachment(row, user_id)
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raw, embedded_paths, upload_ids = replace_embedded_attachments(row["Body"], user_id)
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raw = html_to_markdown(raw) || ""
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filename = row["FileName"]
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return raw if filename.blank?
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path = File.join(
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ENV["FILE_BASE_DIR"],
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"telligent.evolution.components.attachments",
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"%02d" % row["ApplicationTypeId"],
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"%02d" % row["ApplicationId"],
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"%02d" % row["ApplicationContentTypeId"],
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("%010d" % row["ContentId"]).scan(/.{2}/),
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clean_filename(filename)
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)
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unless embedded_paths.include?(path)
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if File.exists?(path)
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upload = @uploader.create_upload(user_id, path, filename)
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if upload.present? && upload.persisted? && !upload_ids.include?(upload.id)
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raw << "\n" << @uploader.html_for_upload(upload, filename)
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end
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else
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STDERR.puts "Could not find file: #{path}"
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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 replace_embedded_attachments(raw, user_id)
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paths = []
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upload_ids = []
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raw = raw.gsub(EMBEDDED_ATTACHMENT_REGEX) do
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filename, path = attachment_path(Regexp.last_match)
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if File.exists?(path)
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upload = @uploader.create_upload(user_id, path, filename)
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if upload.present? && upload.persisted?
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paths << path
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upload_ids << upload.id
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@uploader.html_for_upload(upload, filename)
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end
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else
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STDERR.puts "Could not find file: #{path}"
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end
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end
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[raw, paths, upload_ids]
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end
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def clean_filename(filename)
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CGI.unescapeHTML(filename)
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.gsub(/[\x00\/\\:\*\?\"<>\|]/, '_')
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.gsub(/_(?:2B00|2E00|2D00|5B00|5D00|5F00)/, '')
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end
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def attachment_path(match_data)
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filename, path = join_attachment_path(match_data, filename_index: 2)
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filename, path = join_attachment_path(match_data, filename_index: 1) unless File.exists?(path)
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[filename, path]
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end
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# filenames are a total mess - try to guess the correct filename
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# works for 70% of all files
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def join_attachment_path(match_data, filename_index:)
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filename = clean_filename(match_data[:"filename#{filename_index}"])
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base_path = File.join(
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ENV["FILE_BASE_DIR"],
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match_data[:directory].gsub("-", "."),
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match_data[:path].split("-")
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)
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path = File.join(base_path, filename)
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return [filename, path] if File.exists?(path)
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original_filename = filename.dup
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filename = filename.gsub("-", " ")
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path = File.join(base_path, filename)
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return [filename, path] if File.exists?(path)
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filename = filename.gsub("_", "-")
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path = File.join(base_path, filename)
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return [filename, path] if File.exists?(path)
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[original_filename, File.join(base_path, original_filename)]
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end
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def mark_topics_as_solved
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puts "", "Marking topics as solved..."
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DB.exec <<~SQL
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INSERT INTO topic_custom_fields (name, value, topic_id, created_at, updated_at)
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SELECT 'accepted_answer_post_id', pcf.post_id, p.topic_id, p.created_at, p.created_at
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FROM post_custom_fields pcf
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JOIN posts p ON p.id = pcf.post_id
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WHERE pcf.name = 'is_accepted_answer' AND pcf.value = 'true'
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SQL
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end
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def html_to_markdown(html)
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HtmlToMarkdown.new(html).to_markdown if html.present?
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end
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def add_permalink_normalizations
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normalizations = SiteSetting.permalink_normalizations
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normalizations = normalizations.blank? ? [] : normalizations.split('|')
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add_normalization(normalizations, CATEGORY_LINK_NORMALIZATION)
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add_normalization(normalizations, TOPIC_LINK_NORMALIZATION)
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SiteSetting.permalink_normalizations = normalizations.join('|')
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end
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def add_normalization(normalizations, normalization)
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normalizations << normalization unless normalizations.include?(normalization)
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end
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def batches
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super(BATCH_SIZE)
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end
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def query(sql)
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@client.execute(sql).to_a
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end
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def count(sql)
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query(sql).first["count"]
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end
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end
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ImportScripts::Telligent.new.perform
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