578 lines
17 KiB
Ruby
578 lines
17 KiB
Ruby
require_relative "base"
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require "mysql2"
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require "rake"
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class BulkImport::Vanilla < BulkImport::Base
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VANILLA_DB = "dbname"
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TABLE_PREFIX = "GDN_"
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ATTACHMENTS_BASE_DIR = "/my/absolute/path/to/from_vanilla/uploads"
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BATCH_SIZE = 1000
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CONVERT_HTML = true
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SUSPENDED_TILL ||= Date.new(3000, 1, 1)
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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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@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. None found. #{e.message}"
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end
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@category_mappings = {}
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end
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def start
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run # will call execute, and then "complete" the migration
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# Now that the migration is complete, do some more work:
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Discourse::Application.load_tasks
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Rake::Task["import:ensure_consistency"].invoke
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import_avatars # slow
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create_permalinks # TODO: do it bulk style
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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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SiteSetting.max_tag_length = 100
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end
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# other good ones:
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# SiteSetting.port = 3000
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# SiteSetting.automatic_backups_enabled = false
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# SiteSetting.disable_emails = true
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# etc.
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import_users
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import_user_emails
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import_user_profiles
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import_user_stats
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import_categories
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import_topics
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import_tags if @import_tags
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import_posts
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import_private_topics
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import_topic_allowed_users
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import_private_posts
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end
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def import_users
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puts '', "Importing users..."
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username = nil
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total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}User;").first['count']
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users = mysql_stream <<-SQL
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SELECT UserID, Name, Title, Location, Email,
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DateInserted, DateLastActive, InsertIPAddress, Admin, Banned
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FROM #{TABLE_PREFIX}User
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WHERE UserID > #{@last_imported_user_id}
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AND Deleted = 0
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ORDER BY UserID ASC
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SQL
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create_users(users) do |row|
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next if row['Email'].blank?
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next if row['Name'].blank?
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if ip_address = row['InsertIPAddress']&.split(',').try(:[], 0)
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ip_address = nil unless (IPAddr.new(ip_address) rescue false)
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end
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u = {
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imported_id: row['UserID'],
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email: row['Email'],
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username: row['Name'],
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name: row['Name'],
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created_at: row['DateInserted'] == nil ? 0 : Time.zone.at(row['DateInserted']),
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registration_ip_address: ip_address,
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last_seen_at: row['DateLastActive'] == nil ? 0 : Time.zone.at(row['DateLastActive']),
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location: row['Location'],
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admin: row['Admin'] > 0
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}
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if row["Banned"] > 0
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u[:suspended_at] = Time.zone.at(row['DateInserted'])
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u[:suspended_till] = SUSPENDED_TILL
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end
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u
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end
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end
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def import_user_emails
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puts '', 'Importing user emails...'
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users = mysql_stream <<-SQL
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SELECT UserID, Name, Email, DateInserted
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FROM #{TABLE_PREFIX}User
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WHERE UserID > #{@last_imported_user_id}
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AND Deleted = 0
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ORDER BY UserID ASC
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SQL
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create_user_emails(users) do |row|
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next if row['Email'].blank?
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next if row['Name'].blank?
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{
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imported_id: row["UserID"],
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imported_user_id: row["UserID"],
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email: row["Email"],
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created_at: Time.zone.at(row["DateInserted"])
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}
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end
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end
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def import_user_profiles
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puts '', 'Importing user profiles...'
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user_profiles = mysql_stream <<-SQL
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SELECT UserID, Name, Email, Location, About
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FROM #{TABLE_PREFIX}User
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WHERE UserID > #{@last_imported_user_id}
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AND Deleted = 0
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ORDER BY UserID ASC
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SQL
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create_user_profiles(user_profiles) do |row|
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next if row['Email'].blank?
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next if row['Name'].blank?
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{
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user_id: user_id_from_imported_id(row["UserID"]),
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location: row["Location"],
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bio_raw: row["About"]
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}
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end
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end
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def import_user_stats
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puts '', "Importing user stats..."
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users = mysql_stream <<-SQL
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SELECT UserID, CountDiscussions, CountComments, DateInserted
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FROM #{TABLE_PREFIX}User
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WHERE UserID > #{@last_imported_user_id}
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AND Deleted = 0
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ORDER BY UserID ASC
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SQL
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now = Time.zone.now
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create_user_stats(users) do |row|
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next unless @users[row['UserID'].to_s] # shouldn't need this but it can be NULL :<
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{
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imported_id: row['UserID'],
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imported_user_id: row['UserID'],
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new_since: Time.zone.at(row['DateInserted'] || now),
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post_count: row['CountComments'] || 0,
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topic_count: row['CountDiscussions'] || 0
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}
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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.exists?(ATTACHMENTS_BASE_DIR)
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puts "", "importing user avatars"
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start = Time.now
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count = 0
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User.find_each do |u|
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count += 1
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print "\r%7d - %6d/sec".freeze % [count, count.to_f / (Time.now - start)]
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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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# 4. s3://uploads/xf/22/22690.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.exists?(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.exists?(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.exists?(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_categories
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puts "", "Importing categories..."
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categories = mysql_query("
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SELECT CategoryID, ParentCategoryID, Name, Description, Sort
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FROM #{TABLE_PREFIX}Category
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WHERE CategoryID > 0
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ORDER BY Sort, CategoryID
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").to_a
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# Throw the -1 level categories away since they contain no topics.
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# Use the next level as root categories.
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root_category_ids = Set.new(categories.select { |c| c["ParentCategoryID"] == -1 }.map { |c| c["CategoryID"] })
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top_level_categories = categories.select { |c| root_category_ids.include?(c["ParentCategoryID"]) }
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# Depth = 2
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create_categories(top_level_categories) do |category|
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{
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imported_id: category['CategoryID'],
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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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position: category['Sort']
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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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imported_id: category['CategoryID'],
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parent_category_id: category_id_from_imported_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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position: category['Sort']
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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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@category_mappings[c['CategoryID']] = {
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category_id: category_id_from_imported_id(parent['CategoryID']),
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tag: Tag.find_by_name(tag_name) || Tag.create(name: 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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topics_sql = "SELECT DiscussionID, CategoryID, Name, Body, DateInserted, InsertUserID, Announce
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FROM #{TABLE_PREFIX}Discussion
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WHERE DiscussionID > #{@last_imported_topic_id}
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ORDER BY DiscussionID ASC"
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create_topics(mysql_stream(topics_sql)) do |row|
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{
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imported_id: row["DiscussionID"],
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title: normalize_text(row["Name"]),
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category_id: category_id_from_imported_id(row["CategoryID"]) ||
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@category_mappings[row["CategoryID"]].try(:[], :category_id),
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user_id: user_id_from_imported_id(row["InsertUserID"]),
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created_at: Time.zone.at(row['DateInserted']),
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pinned_at: row['Announce'] == 0 ? nil : Time.zone.at(row['DateInserted'])
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}
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end
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puts "", "importing first posts..."
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create_posts(mysql_stream(topics_sql)) do |row|
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{
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imported_id: "d-" + row['DiscussionID'].to_s,
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topic_id: topic_id_from_imported_id(row["DiscussionID"]),
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user_id: user_id_from_imported_id(row["InsertUserID"]),
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created_at: Time.zone.at(row['DateInserted']),
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raw: clean_up(row["Body"])
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}
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end
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puts '', 'converting deep categories to tags...'
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create_topic_tags(mysql_stream(topics_sql)) do |row|
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next unless mapping = @category_mappings[row['CategoryID']]
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{
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tag_id: mapping[:tag].id,
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topic_id: topic_id_from_imported_id(row["DiscussionID"])
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}
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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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posts = mysql_stream(
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"SELECT CommentID, DiscussionID, Body, DateInserted, InsertUserID
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FROM #{TABLE_PREFIX}Comment
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WHERE CommentID > #{@last_imported_post_id}
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ORDER BY CommentID ASC")
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create_posts(posts) do |row|
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next unless topic_id = topic_id_from_imported_id(row['DiscussionID'])
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next if row['Body'].blank?
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{
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imported_id: row['CommentID'],
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topic_id: topic_id,
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user_id: user_id_from_imported_id(row["InsertUserID"]),
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created_at: Time.zone.at(row['DateInserted']),
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raw: clean_up(row["Body"])
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}
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end
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end
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def import_tags
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puts "", "Importing tags..."
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tag_mapping = {}
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mysql_query("SELECT TagID, Name FROM #{TABLE_PREFIX}Tag").each do |row|
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tag_name = DiscourseTagging.clean_tag(row['Name'])
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tag = Tag.find_by_name(tag_name) || Tag.create(name: tag_name)
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tag_mapping[row['TagID']] = tag.id
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end
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tags = mysql_query(
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"SELECT TagID, DiscussionID
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FROM #{TABLE_PREFIX}TagDiscussion
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WHERE DiscussionID > #{@last_imported_topic_id}
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ORDER BY DateInserted")
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create_topic_tags(tags) do |row|
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next unless topic_id = topic_id_from_imported_id(row['DiscussionID'])
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{
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topic_id: topic_id,
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tag_id: tag_mapping[row['TagID']]
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}
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end
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end
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def import_private_topics
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puts "", "Importing private topics..."
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topics_sql = "SELECT c.ConversationID, c.Subject, m.MessageID, m.Body, c.DateInserted, c.InsertUserID
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FROM #{TABLE_PREFIX}Conversation c, #{TABLE_PREFIX}ConversationMessage m
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WHERE c.FirstMessageID = m.MessageID
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AND c.ConversationID > #{@last_imported_private_topic_id - PRIVATE_OFFSET}
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ORDER BY c.ConversationID ASC"
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create_topics(mysql_stream(topics_sql)) do |row|
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{
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archetype: Archetype.private_message,
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imported_id: row["ConversationID"] + PRIVATE_OFFSET,
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title: row["Subject"] ? normalize_text(row["Subject"]) : "Conversation #{row["ConversationID"]}",
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user_id: user_id_from_imported_id(row["InsertUserID"]),
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created_at: Time.zone.at(row['DateInserted'])
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}
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end
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end
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def import_topic_allowed_users
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puts "", "importing topic_allowed_users..."
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topic_allowed_users_sql = "
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SELECT ConversationID, UserID
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FROM #{TABLE_PREFIX}UserConversation
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WHERE Deleted = 0
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ORDER BY ConversationID ASC"
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added = 0
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create_topic_allowed_users(mysql_stream(topic_allowed_users_sql)) do |row|
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next unless topic_id = topic_id_from_imported_id(row['ConversationID'] + PRIVATE_OFFSET)
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next unless user_id = user_id_from_imported_id(row["UserID"])
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added += 1
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{
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topic_id: topic_id,
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user_id: user_id,
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}
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end
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puts '', "Added #{added} topic_allowed_users records."
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end
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def import_private_posts
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puts "", "importing private replies..."
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private_posts_sql = "
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SELECT ConversationID, MessageID, Body, InsertUserID, DateInserted
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FROM GDN_ConversationMessage
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WHERE ConversationID > #{@last_imported_private_topic_id - PRIVATE_OFFSET}
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ORDER BY ConversationID ASC, MessageID ASC"
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create_posts(mysql_stream(private_posts_sql)) do |row|
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next unless topic_id = topic_id_from_imported_id(row['ConversationID'] + PRIVATE_OFFSET)
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{
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imported_id: row['MessageID'] + PRIVATE_OFFSET,
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topic_id: topic_id,
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user_id: user_id_from_imported_id(row['InsertUserID']),
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created_at: Time.zone.at(row['DateInserted']),
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raw: clean_up(row['Body'])
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}
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end
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end
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# TODO: too slow
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def create_permalinks
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puts '', 'Creating permalinks...', ''
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puts ' User pages...'
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start = Time.now
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count = 0
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now = Time.zone.now
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sql = "COPY permalinks (url, created_at, updated_at, external_url) FROM STDIN"
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@raw_connection.copy_data(sql, @encoder) do
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User.includes(:_custom_fields).find_each do |u|
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count += 1
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ucf = u.custom_fields
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if ucf && ucf["import_id"]
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vanilla_username = ucf["import_username"] || u.username
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@raw_connection.put_copy_data(
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["profile/#{vanilla_username}", now, now, "/users/#{u.username}"]
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)
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end
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print "\r%7d - %6d/sec".freeze % [count, count.to_f / (Time.now - start)] if count % 5000 == 0
|
|
end
|
|
end
|
|
|
|
puts '', '', ' Topics and posts...'
|
|
|
|
start = Time.now
|
|
count = 0
|
|
|
|
sql = "COPY permalinks (url, topic_id, post_id, created_at, updated_at) FROM STDIN"
|
|
|
|
@raw_connection.copy_data(sql, @encoder) do
|
|
Post.includes(:_custom_fields).find_each do |post|
|
|
count += 1
|
|
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...
|
|
@raw_connection.put_copy_data(
|
|
["discussion/#{id}/#{slug}", topic.id, nil, now, now]
|
|
)
|
|
else
|
|
@raw_connection.put_copy_data(
|
|
["discussion/comment/#{id}", nil, post.id, now, now]
|
|
)
|
|
end
|
|
end
|
|
|
|
print "\r%7d - %6d/sec".freeze % [count, count.to_f / (Time.now - start)] if count % 5000 == 0
|
|
end
|
|
end
|
|
end
|
|
|
|
def clean_up(raw)
|
|
# post id is sometimes prefixed with "c-"
|
|
raw.gsub!(/\[QUOTE="([^;]+);c-(\d+)"\]/i) { "[QUOTE=#{$1};#{$2}]" }
|
|
|
|
raw
|
|
end
|
|
|
|
def staff_guardian
|
|
@_staff_guardian ||= Guardian.new(Discourse.system_user)
|
|
end
|
|
|
|
def mysql_stream(sql)
|
|
@client.query(sql, stream: true)
|
|
end
|
|
|
|
def mysql_query(sql)
|
|
@client.query(sql)
|
|
end
|
|
|
|
end
|
|
|
|
BulkImport::Vanilla.new.start
|