656 lines
22 KiB
Ruby
656 lines
22 KiB
Ruby
# frozen_string_literal: true
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require "mysql2"
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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require 'htmlentities'
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require 'reverse_markdown'
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require_relative 'vanilla_body_parser'
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class ImportScripts::VanillaSQL < ImportScripts::Base
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VANILLA_DB = "vanilla"
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TABLE_PREFIX = "GDN_"
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ATTACHMENTS_BASE_DIR = nil # "/absolute/path/to/attachments" set the absolute path if you have attachments
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BATCH_SIZE = 1000
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CONVERT_HTML = true
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def initialize
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super
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@htmlentities = HTMLEntities.new
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@client = Mysql2::Client.new(
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host: "localhost",
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username: "root",
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database: VANILLA_DB
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)
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# by default, don't use the body parser as it's not pertinent to all versions
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@vb_parser = false
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VanillaBodyParser.configure(
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lookup: @lookup,
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uploader: @uploader,
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host: 'forum.example.com', # your Vanilla forum domain
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uploads_path: 'uploads' # relative path to your vanilla uploads folder
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)
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@import_tags = false
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begin
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r = @client.query("select count(*) count from #{TABLE_PREFIX}Tag where countdiscussions > 0")
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@import_tags = true if r.first["count"].to_i > 0
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rescue => e
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puts "Tags won't be imported. #{e.message}"
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end
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@category_mappings = {}
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end
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def execute
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if @import_tags
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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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import_groups
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import_users
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import_avatars
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import_group_users
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import_categories
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import_topics
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import_posts
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import_likes
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import_messages
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update_tl0
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mark_topics_as_solved
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create_permalinks
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import_attachments
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mark_topics_as_solved
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end
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def import_groups
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puts "", "importing groups..."
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groups = mysql_query <<-SQL
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SELECT RoleID, Name
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FROM #{TABLE_PREFIX}Role
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ORDER BY RoleID
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SQL
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create_groups(groups) do |group|
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{
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id: group["RoleID"],
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name: @htmlentities.decode(group["Name"]).strip
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}
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end
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end
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def import_users
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puts '', "creating users"
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@user_is_deleted = false
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@last_deleted_username = nil
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username = nil
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@last_user_id = -1
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total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}User;").first['count']
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batches(BATCH_SIZE) do |offset|
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results = mysql_query(
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"SELECT UserID, Name, Title, Location, About, Email, Admin, Banned, CountComments,
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DateInserted, DateLastActive, InsertIPAddress
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FROM #{TABLE_PREFIX}User
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WHERE UserID > #{@last_user_id}
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ORDER BY UserID ASC
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LIMIT #{BATCH_SIZE};")
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break if results.size < 1
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@last_user_id = results.to_a.last['UserID']
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next if all_records_exist? :users, results.map { |u| u['UserID'].to_i }
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create_users(results, total: total_count, offset: offset) do |user|
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email = user['Email'].squish
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next if email.blank?
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next if user['Name'].blank?
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next if @lookup.user_id_from_imported_user_id(user['UserID'])
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if user['Name'] == '[Deleted User]'
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# EVERY deleted user record in Vanilla has the same username: [Deleted User]
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# Save our UserNameSuggester some pain:
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@user_is_deleted = true
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username = @last_deleted_username || user['Name']
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else
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@user_is_deleted = false
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username = user['Name']
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end
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banned = user['Banned'] != 0
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commented = (user['CountComments'] || 0) > 0
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{ id: user['UserID'],
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email: email,
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username: username,
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name: user['Name'],
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created_at: user['DateInserted'] == nil ? 0 : Time.zone.at(user['DateInserted']),
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bio_raw: user['About'],
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registration_ip_address: user['InsertIPAddress'],
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last_seen_at: user['DateLastActive'] == nil ? 0 : Time.zone.at(user['DateLastActive']),
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location: user['Location'],
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admin: user['Admin'] == 1,
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trust_level: !banned && commented ? 2 : 0,
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post_create_action: proc do |newuser|
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if @user_is_deleted
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@last_deleted_username = newuser.username
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end
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if banned
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newuser.suspended_at = Time.now
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# banning on Vanilla doesn't have an end, so a thousand years seems equivalent
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newuser.suspended_till = 1000.years.from_now
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if newuser.save
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StaffActionLogger.new(Discourse.system_user).log_user_suspend(newuser, 'Imported from Vanilla Forum')
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else
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puts "Failed to suspend user #{newuser.username}. #{newuser.errors.full_messages.join(', ')}"
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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_avatars
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if ATTACHMENTS_BASE_DIR && File.exist?(ATTACHMENTS_BASE_DIR)
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puts "", "importing user avatars"
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User.find_each do |u|
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next unless u.custom_fields["import_id"]
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r = mysql_query("SELECT photo FROM #{TABLE_PREFIX}User WHERE UserID = #{u.custom_fields['import_id']};").first
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next if r.nil?
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photo = r["photo"]
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next unless photo.present?
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# Possible encoded values:
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# 1. cf://uploads/userpics/820/Y0AFUQYYM6QN.jpg
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# 2. ~cf/userpics2/cf566487133f1f538e02da96f9a16b18.jpg
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# 3. ~cf/userpics/txkt8kw1wozn.jpg
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photo_real_filename = nil
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parts = photo.squeeze("/").split("/")
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if parts[0] =~ /^[a-z0-9]{2}:/
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photo_path = "#{ATTACHMENTS_BASE_DIR}/#{parts[2..-2].join('/')}".squeeze("/")
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elsif parts[0] == "~cf"
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photo_path = "#{ATTACHMENTS_BASE_DIR}/#{parts[1..-2].join('/')}".squeeze("/")
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else
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puts "UNKNOWN FORMAT: #{photo}"
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next
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end
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if !File.exist?(photo_path)
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puts "Path to avatar file not found! Skipping. #{photo_path}"
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next
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end
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photo_real_filename = find_photo_file(photo_path, parts.last)
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if photo_real_filename.nil?
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puts "Couldn't find file for #{photo}. Skipping."
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next
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end
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print "."
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upload = create_upload(u.id, photo_real_filename, File.basename(photo_real_filename))
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if upload.persisted?
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u.import_mode = false
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u.create_user_avatar
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u.import_mode = true
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u.user_avatar.update(custom_upload_id: upload.id)
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u.update(uploaded_avatar_id: upload.id)
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else
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puts "Error: Upload did not persist for #{u.username} #{photo_real_filename}!"
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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_photo_file(path, base_filename)
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base_guess = base_filename.dup
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full_guess = File.join(path, base_guess) # often an exact match exists
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return full_guess if File.exist?(full_guess)
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# Otherwise, the file exists but with a prefix:
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# The p prefix seems to be the full file, so try to find that one first.
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['p', 't', 'n'].each do |prefix|
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full_guess = File.join(path, "#{prefix}#{base_guess}")
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return full_guess if File.exist?(full_guess)
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end
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# Didn't find it.
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nil
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end
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def import_group_users
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puts "", "importing group users..."
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group_users = mysql_query("
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SELECT RoleID, UserID
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FROM #{TABLE_PREFIX}UserRole
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").to_a
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group_users.each do |row|
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user_id = user_id_from_imported_user_id(row["UserID"])
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group_id = group_id_from_imported_group_id(row["RoleID"])
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if user_id && group_id
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GroupUser.find_or_create_by(user_id: user_id, group_id: group_id)
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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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categories = mysql_query("
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SELECT CategoryID, ParentCategoryID, Name, Description
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FROM #{TABLE_PREFIX}Category
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WHERE CategoryID > 0
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ORDER BY CategoryID ASC
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").to_a
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top_level_categories = categories.select { |c| c['ParentCategoryID'].blank? || c['ParentCategoryID'] == -1 }
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create_categories(top_level_categories) do |category|
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{
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id: category['CategoryID'],
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name: CGI.unescapeHTML(category['Name']),
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description: CGI.unescapeHTML(category['Description'])
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}
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end
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top_level_category_ids = Set.new(top_level_categories.map { |c| c["CategoryID"] })
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subcategories = categories.select { |c| top_level_category_ids.include?(c["ParentCategoryID"]) }
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# Depth = 3
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create_categories(subcategories) do |category|
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{
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id: category['CategoryID'],
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parent_category_id: category_id_from_imported_category_id(category['ParentCategoryID']),
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name: CGI.unescapeHTML(category['Name']),
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description: category['Description'] ? CGI.unescapeHTML(category['Description']) : nil,
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}
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end
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subcategory_ids = Set.new(subcategories.map { |c| c['CategoryID'] })
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# Depth 4 and 5 need to be tags
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categories.each do |c|
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next if c['ParentCategoryID'] == -1
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next if top_level_category_ids.include?(c['CategoryID'])
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next if subcategory_ids.include?(c['CategoryID'])
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# Find a depth 3 category for topics in this category
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parent = c
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while !parent.nil? && !subcategory_ids.include?(parent['CategoryID'])
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parent = categories.find { |subcat| subcat['CategoryID'] == parent['ParentCategoryID'] }
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end
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if parent
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tag_name = DiscourseTagging.clean_tag(c['Name'])
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tag = Tag.find_by_name(tag_name) || Tag.create(name: tag_name)
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@category_mappings[c['CategoryID']] = {
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category_id: category_id_from_imported_category_id(parent['CategoryID']),
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tag: tag[:name]
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}
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else
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puts '', "Couldn't find a category for #{c['CategoryID']} '#{c['Name']}'!"
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end
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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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tag_names_sql = "select t.name as tag_name from GDN_Tag t, GDN_TagDiscussion td where t.tagid = td.tagid and td.discussionid = {discussionid} and t.name != '';"
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total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}Discussion;").first['count']
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@last_topic_id = -1
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batches(BATCH_SIZE) do |offset|
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discussions = mysql_query(
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"SELECT DiscussionID, CategoryID, Name, Body, Format, CountViews, Closed, Announce,
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DateInserted, InsertUserID, DateLastComment
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FROM #{TABLE_PREFIX}Discussion
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WHERE DiscussionID > #{@last_topic_id}
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ORDER BY DiscussionID ASC
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LIMIT #{BATCH_SIZE};")
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break if discussions.size < 1
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@last_topic_id = discussions.to_a.last['DiscussionID']
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next if all_records_exist? :posts, discussions.map { |t| "discussion#" + t['DiscussionID'].to_s }
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create_posts(discussions, total: total_count, offset: offset) do |discussion|
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user_id = user_id_from_imported_user_id(discussion['InsertUserID']) || Discourse::SYSTEM_USER_ID
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{
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id: "discussion#" + discussion['DiscussionID'].to_s,
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user_id: user_id,
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title: discussion['Name'],
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category: category_id_from_imported_category_id(discussion['CategoryID']) || @category_mappings[discussion['CategoryID']].try(:[], :category_id),
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raw: get_raw(discussion, user_id),
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views: discussion['CountViews'] || 0,
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closed: discussion['Closed'] == 1,
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pinned_at: discussion['Announce'] == 0 ? nil : Time.zone.at(discussion['DateLastComment'] || discussion['DateInserted']),
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pinned_globally: discussion['Announce'] == 1,
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created_at: Time.zone.at(discussion['DateInserted']),
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post_create_action: proc do |post|
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if @import_tags
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tag_names = @client.query(tag_names_sql.gsub('{discussionid}', discussion['DiscussionID'].to_s)).map { |row| row['tag_name'] }
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category_tag = @category_mappings[discussion['CategoryID']].try(:[], :tag)
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tag_names = category_tag ? tag_names.append(category_tag) : tag_names
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DiscourseTagging.tag_topic_by_names(post.topic, staff_guardian, tag_names)
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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_posts
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puts "", "importing posts..."
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total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}Comment;").first['count']
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@last_post_id = -1
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batches(BATCH_SIZE) do |offset|
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comments = mysql_query(
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"SELECT CommentID, DiscussionID, Body, Format,
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DateInserted, InsertUserID, QnA
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FROM #{TABLE_PREFIX}Comment
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WHERE CommentID > #{@last_post_id}
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ORDER BY CommentID ASC
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LIMIT #{BATCH_SIZE};")
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break if comments.size < 1
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@last_post_id = comments.to_a.last['CommentID']
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next if all_records_exist? :posts, comments.map { |comment| "comment#" + comment['CommentID'].to_s }
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create_posts(comments, total: total_count, offset: offset) do |comment|
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next unless t = topic_lookup_from_imported_post_id("discussion#" + comment['DiscussionID'].to_s)
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next if comment['Body'].blank?
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user_id = user_id_from_imported_user_id(comment['InsertUserID']) || Discourse::SYSTEM_USER_ID
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post = {
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id: "comment#" + comment['CommentID'].to_s,
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user_id: user_id,
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topic_id: t[:topic_id],
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raw: get_raw(comment, user_id),
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created_at: Time.zone.at(comment['DateInserted'])
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}
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if comment['QnA'] == "Accepted"
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post[:custom_fields] = { is_accepted_answer: true }
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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_likes
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puts "", "importing likes..."
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total_count = mysql_query("SELECT count(*) count FROM GDN_ThanksLog;").first['count']
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current_count = 0
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start_time = Time.now
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likes = mysql_query("
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SELECT CommentID, DateInserted, InsertUserID
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FROM #{TABLE_PREFIX}ThanksLog
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ORDER BY CommentID ASC;
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")
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likes.each do |like|
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post_id = post_id_from_imported_post_id("comment##{like['CommentID']}")
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user_id = user_id_from_imported_user_id(like['InsertUserID'])
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post = Post.find(post_id) if post_id
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user = User.find(user_id) if user_id
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if post && user
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begin
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PostActionCreator.like(user, post)
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rescue => e
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puts "error adding like to post #{e}"
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end
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end
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current_count += 1
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print_status(current_count, total_count, start_time)
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end
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end
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def import_messages
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puts "", "importing messages..."
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total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}ConversationMessage;").first['count']
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@last_message_id = -1
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batches(BATCH_SIZE) do |offset|
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messages = mysql_query(
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"SELECT m.MessageID, m.Body, m.Format,
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m.InsertUserID, m.DateInserted,
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m.ConversationID, c.Contributors
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FROM #{TABLE_PREFIX}ConversationMessage m
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INNER JOIN #{TABLE_PREFIX}Conversation c on c.ConversationID = m.ConversationID
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WHERE m.MessageID > #{@last_message_id}
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ORDER BY m.MessageID ASC
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LIMIT #{BATCH_SIZE};")
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break if messages.size < 1
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@last_message_id = messages.to_a.last['MessageID']
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next if all_records_exist? :posts, messages.map { |t| "message#" + t['MessageID'].to_s }
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create_posts(messages, total: total_count, offset: offset) do |message|
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user_id = user_id_from_imported_user_id(message['InsertUserID']) || Discourse::SYSTEM_USER_ID
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body = get_raw(message, user_id)
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common = {
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user_id: user_id,
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raw: body,
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created_at: Time.zone.at(message['DateInserted']),
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custom_fields: {
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conversation_id: message['ConversationID'],
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participants: message['Contributors'],
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message_id: message['MessageID']
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}
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}
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conversation_id = "conversation#" + message['ConversationID'].to_s
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message_id = "message#" + message['MessageID'].to_s
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imported_conversation = topic_lookup_from_imported_post_id(conversation_id)
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if imported_conversation.present?
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common.merge(id: message_id, topic_id: imported_conversation[:topic_id])
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else
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user_ids = (message['Contributors'] || '').scan(/\"(\d+)\"/).flatten.map(&:to_i)
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usernames = user_ids.map { |id| @lookup.find_user_by_import_id(id).try(:username) }.compact
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usernames = [@lookup.find_user_by_import_id(message['InsertUserID']).try(:username)].compact if usernames.empty?
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title = body.truncate(40)
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{
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id: conversation_id,
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title: title,
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archetype: Archetype.private_message,
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target_usernames: usernames.uniq,
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}.merge(common)
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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 get_raw(record, user_id)
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format = (record['Format'] || "").downcase
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body = record['Body']
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case format
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when "html"
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process_raw(body)
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when "rich"
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VanillaBodyParser.new(record, user_id).parse
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|
when "markdown"
|
|
process_raw(body, skip_reverse_markdown: true)
|
|
else
|
|
@vb_parser ? VanillaBodyParser.new(record, user_id).parse : process_raw(body)
|
|
end
|
|
end
|
|
|
|
def process_raw(raw, skip_reverse_markdown: false)
|
|
return if raw == nil
|
|
raw = @htmlentities.decode(raw)
|
|
|
|
# convert user profile links to user mentions
|
|
raw.gsub!(/<a.*>(@\S+?)<\/a>/) { $1 }
|
|
|
|
raw = ReverseMarkdown.convert(raw) unless skip_reverse_markdown
|
|
|
|
raw.scrub!
|
|
|
|
raw
|
|
end
|
|
|
|
def staff_guardian
|
|
@_staff_guardian ||= Guardian.new(Discourse.system_user)
|
|
end
|
|
|
|
def mysql_query(sql)
|
|
@client.query(sql)
|
|
# @client.query(sql, cache_rows: false) #segfault: cache_rows: false causes segmentation fault
|
|
end
|
|
|
|
def create_permalinks
|
|
puts '', 'Creating redirects...', ''
|
|
|
|
User.find_each do |u|
|
|
ucf = u.custom_fields
|
|
if ucf && ucf["import_id"] && ucf["import_username"]
|
|
encoded_username = CGI.escape(ucf['import_username']).gsub('+', '%20')
|
|
Permalink.create(url: "profile/#{ucf['import_id']}/#{encoded_username}", external_url: "/users/#{u.username}") rescue nil
|
|
print '.'
|
|
end
|
|
end
|
|
|
|
Post.find_each do |post|
|
|
pcf = post.custom_fields
|
|
if pcf && pcf["import_id"]
|
|
topic = post.topic
|
|
id = pcf["import_id"].split('#').last
|
|
if post.post_number == 1
|
|
slug = Slug.for(topic.title) # probably matches what vanilla would do...
|
|
Permalink.create(url: "discussion/#{id}/#{slug}", topic_id: topic.id) rescue nil
|
|
else
|
|
Permalink.create(url: "discussion/comment/#{id}", post_id: post.id) rescue nil
|
|
end
|
|
print '.'
|
|
end
|
|
end
|
|
end
|
|
|
|
def import_attachments
|
|
if ATTACHMENTS_BASE_DIR && File.exist?(ATTACHMENTS_BASE_DIR)
|
|
puts "", "importing attachments"
|
|
|
|
start = Time.now
|
|
count = 0
|
|
|
|
# https://us.v-cdn.net/1234567/uploads/editor/xyz/image.jpg
|
|
cdn_regex = /https:\/\/us.v-cdn.net\/1234567\/uploads\/(\S+\/(\w|-)+.\w+)/i
|
|
# [attachment=10109:Screen Shot 2012-04-01 at 3.47.35 AM.png]
|
|
attachment_regex = /\[attachment=(\d+):(.*?)\]/i
|
|
|
|
Post.where("raw LIKE '%/us.v-cdn.net/%' OR raw LIKE '%[attachment%'").find_each do |post|
|
|
count += 1
|
|
print "\r%7d - %6d/sec" % [count, count.to_f / (Time.now - start)]
|
|
new_raw = post.raw.dup
|
|
|
|
new_raw.gsub!(attachment_regex) do |s|
|
|
matches = attachment_regex.match(s)
|
|
attachment_id = matches[1]
|
|
file_name = matches[2]
|
|
next unless attachment_id
|
|
|
|
r = mysql_query("SELECT Path, Name FROM #{TABLE_PREFIX}Media WHERE MediaID = #{attachment_id};").first
|
|
next if r.nil?
|
|
path = r["Path"]
|
|
name = r["Name"]
|
|
next unless path.present?
|
|
|
|
path.gsub!("s3://content/", "")
|
|
path.gsub!("s3://uploads/", "")
|
|
file_path = "#{ATTACHMENTS_BASE_DIR}/#{path}"
|
|
|
|
if File.exist?(file_path)
|
|
upload = create_upload(post.user.id, file_path, File.basename(file_path))
|
|
if upload && upload.errors.empty?
|
|
# upload.url
|
|
filename = name || file_name || File.basename(file_path)
|
|
html_for_upload(upload, normalize_text(filename))
|
|
else
|
|
puts "Error: Upload did not persist for #{post.id} #{attachment_id}!"
|
|
end
|
|
else
|
|
puts "Couldn't find file for #{attachment_id}. Skipping."
|
|
next
|
|
end
|
|
end
|
|
|
|
new_raw.gsub!(cdn_regex) do |s|
|
|
matches = cdn_regex.match(s)
|
|
attachment_id = matches[1]
|
|
|
|
file_path = "#{ATTACHMENTS_BASE_DIR}/#{attachment_id}"
|
|
|
|
if File.exist?(file_path)
|
|
upload = create_upload(post.user.id, file_path, File.basename(file_path))
|
|
if upload && upload.errors.empty?
|
|
upload.url
|
|
else
|
|
puts "Error: Upload did not persist for #{post.id} #{attachment_id}!"
|
|
end
|
|
else
|
|
puts "Couldn't find file for #{attachment_id}. Skipping."
|
|
next
|
|
end
|
|
end
|
|
|
|
if new_raw != post.raw
|
|
begin
|
|
PostRevisor.new(post).revise!(post.user, { raw: new_raw }, skip_revision: true, skip_validations: true, bypass_bump: true)
|
|
rescue
|
|
puts "PostRevisor error for #{post.id}"
|
|
post.raw = new_raw
|
|
post.save(validate: false)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def mark_topics_as_solved
|
|
puts "", "Marking topics as solved..."
|
|
|
|
DB.exec <<~SQL
|
|
INSERT INTO topic_custom_fields (name, value, topic_id, created_at, updated_at)
|
|
SELECT 'accepted_answer_post_id', pcf.post_id, p.topic_id, p.created_at, p.created_at
|
|
FROM post_custom_fields pcf
|
|
JOIN posts p ON p.id = pcf.post_id
|
|
WHERE pcf.name = 'is_accepted_answer' AND pcf.value = 't'
|
|
AND NOT EXISTS (
|
|
SELECT 1
|
|
FROM topic_custom_fields x
|
|
WHERE x.topic_id = p.topic_id AND x.name = 'accepted_answer_post_id'
|
|
)
|
|
ON CONFLICT DO NOTHING
|
|
SQL
|
|
end
|
|
end
|
|
|
|
ImportScripts::VanillaSQL.new.perform
|