mirror of
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46d96c9feb
Followup to b24002018a
289 lines
8.7 KiB
Ruby
289 lines
8.7 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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class ImportScripts::Phorum < ImportScripts::Base
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PHORUM_DB = "piwik"
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TABLE_PREFIX = "pw_"
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BATCH_SIZE = 1000
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def initialize
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super
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@client = Mysql2::Client.new(
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host: "localhost",
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username: "root",
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password: "pa$$word",
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database: PHORUM_DB
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)
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end
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def execute
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import_users
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import_categories
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import_posts
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import_attachments
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end
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def import_users
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puts '', "creating users"
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total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}users;").first['count']
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batches(BATCH_SIZE) do |offset|
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results = mysql_query(
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"SELECT user_id id, username, TRIM(email) AS email, username name, date_added created_at,
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date_last_active last_seen_at, admin
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FROM #{TABLE_PREFIX}users
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WHERE #{TABLE_PREFIX}users.active = 1
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};")
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break if results.size < 1
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create_users(results, total: total_count, offset: offset) do |user|
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next if user['username'].blank?
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{ id: user['id'],
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email: user['email'],
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username: user['username'],
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name: user['name'],
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created_at: Time.zone.at(user['created_at']),
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last_seen_at: Time.zone.at(user['last_seen_at']),
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admin: user['admin'] == 1 }
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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 forum_id id, name, description, active
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FROM #{TABLE_PREFIX}forums
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ORDER BY forum_id ASC
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").to_a
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create_categories(categories) do |category|
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next if category['active'] == 0
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{
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id: category['id'],
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name: category["name"],
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description: category["description"]
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}
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end
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# uncomment below lines to create permalink
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# categories.each do |category|
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# Permalink.create(url: "list.php?#{category['id']}", category_id: category_id_from_imported_category_id(category['id'].to_i))
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# end
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end
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def import_posts
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puts "", "creating topics and posts"
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total_count = mysql_query("SELECT count(*) count from #{TABLE_PREFIX}messages").first["count"]
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batches(BATCH_SIZE) do |offset|
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results = mysql_query("
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SELECT m.message_id id,
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m.parent_id,
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m.forum_id category_id,
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m.subject title,
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m.user_id user_id,
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m.body raw,
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m.closed closed,
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m.datestamp created_at
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FROM #{TABLE_PREFIX}messages m
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ORDER BY m.datestamp
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};
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").to_a
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break if results.size < 1
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create_posts(results, total: total_count, offset: offset) do |m|
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skip = false
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mapped = {}
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mapped[:id] = m['id']
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mapped[:user_id] = user_id_from_imported_user_id(m['user_id']) || -1
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mapped[:raw] = process_raw_post(m['raw'], m['id'])
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mapped[:created_at] = Time.zone.at(m['created_at'])
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if m['parent_id'] == 0
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mapped[:category] = category_id_from_imported_category_id(m['category_id'].to_i)
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mapped[:title] = CGI.unescapeHTML(m['title'])
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else
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parent = topic_lookup_from_imported_post_id(m['parent_id'])
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if parent
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mapped[:topic_id] = parent[:topic_id]
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else
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puts "Parent post #{m['parent_id']} doesn't exist. Skipping #{m["id"]}: #{m["title"][0..40]}"
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skip = true
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end
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end
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skip ? nil : mapped
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end
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# uncomment below lines to create permalink
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# results.each do |post|
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# if post['parent_id'] == 0
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# topic = topic_lookup_from_imported_post_id(post['id'].to_i)
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# Permalink.create(url: "read.php?#{post['category_id']},#{post['id']}", topic_id: topic[:topic_id].to_i)
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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 process_raw_post(raw, import_id)
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s = raw.dup
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# :) is encoded as <!-- s:) --><img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
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s.gsub!(/<!-- s(\S+) --><img (?:[^>]+) \/><!-- s(?:\S+) -->/, '\1')
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# Some links look like this: <!-- m --><a class="postlink" href="http://www.onegameamonth.com">http://www.onegameamonth.com</a><!-- m -->
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s.gsub!(/<!-- \w --><a(?:.+)href="(\S+)"(?:.*)>(.+)<\/a><!-- \w -->/, '[\2](\1)')
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# Many phpbb bbcode tags have a hash attached to them. Examples:
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# [url=https://google.com:1qh1i7ky]click here[/url:1qh1i7ky]
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# [quote="cybereality":b0wtlzex]Some text.[/quote:b0wtlzex]
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s.gsub!(/:(?:\w{8})\]/, ']')
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# Remove mybb video tags.
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s.gsub!(/(^\[video=.*?\])|(\[\/video\]$)/, '')
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s = CGI.unescapeHTML(s)
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# phpBB shortens link text like this, which breaks our markdown processing:
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# [http://answers.yahoo.com/question/index ... 223AAkkPli](http://answers.yahoo.com/question/index?qid=20070920134223AAkkPli)
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#
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# Work around it for now:
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s.gsub!(/\[http(s)?:\/\/(www\.)?/, '[')
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# [QUOTE]...[/QUOTE]
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s.gsub!(/\[quote\](.+?)\[\/quote\]/im) { "\n> #{$1}\n" }
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# [URL=...]...[/URL]
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s.gsub!(/\[url="?(.+?)"?\](.+)\[\/url\]/i) { "[#{$2}](#{$1})" }
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# [IMG]...[/IMG]
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s.gsub!(/\[\/?img\]/i, "")
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# convert list tags to ul and list=1 tags to ol
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# (basically, we're only missing list=a here...)
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s.gsub!(/\[list\](.*?)\[\/list\]/m, '[ul]\1[/ul]')
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s.gsub!(/\[list=1\](.*?)\[\/list\]/m, '[ol]\1[/ol]')
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# convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists:
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s.gsub!(/\[\*\](.*?)\n/, '[li]\1[/li]')
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# [CODE]...[/CODE]
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s.gsub!(/\[\/?code\]/i, "\n```\n")
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# [HIGHLIGHT]...[/HIGHLIGHT]
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s.gsub!(/\[\/?highlight\]/i, "\n```\n")
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# [YOUTUBE]<id>[/YOUTUBE]
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s.gsub!(/\[youtube\](.+?)\[\/youtube\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
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# [youtube=425,350]id[/youtube]
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s.gsub!(/\[youtube="?(.+?)"?\](.+)\[\/youtube\]/i) { "\nhttps://www.youtube.com/watch?v=#{$2}\n" }
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# [MEDIA=youtube]id[/MEDIA]
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s.gsub!(/\[MEDIA=youtube\](.+?)\[\/MEDIA\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
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# [ame="youtube_link"]title[/ame]
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s.gsub!(/\[ame="?(.+?)"?\](.+)\[\/ame\]/i) { "\n#{$1}\n" }
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# [VIDEO=youtube;<id>]...[/VIDEO]
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s.gsub!(/\[video=youtube;([^\]]+)\].*?\[\/video\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
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# [USER=706]@username[/USER]
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s.gsub!(/\[user="?(.+?)"?\](.+)\[\/user\]/i) { $2 }
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# Remove the color tag
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s.gsub!(/\[color=[#a-z0-9]+\]/i, "")
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s.gsub!(/\[\/color\]/i, "")
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s.gsub!(/\[hr\]/i, "<hr>")
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# remove trailing <br>
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s = s.chomp("<br>")
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s
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end
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def mysql_query(sql)
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@client.query(sql, cache_rows: false)
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end
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def import_attachments
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puts '', 'importing attachments...'
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uploads = mysql_query <<-SQL
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SELECT message_id, filename, FROM_BASE64(file_data) AS file_data, file_id
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FROM #{TABLE_PREFIX}files
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where message_id > 0
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order by file_id
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SQL
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current_count = 0
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total_count = uploads.count
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uploads.each do |upload|
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# puts "*** processing file #{upload['file_id']}"
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post_id = post_id_from_imported_post_id(upload['message_id'])
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if post_id.nil?
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puts "Post #{upload['message_id']} for attachment #{upload['file_id']} not found"
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next
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end
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post = Post.find(post_id)
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real_filename = upload['filename']
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real_filename.prepend SecureRandom.hex if real_filename[0] == '.'
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tmpfile = 'attach_' + upload['file_id'].to_s
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filename = File.join('/tmp/', tmpfile)
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File.open(filename, 'wb') { |f|
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f.write(upload['file_data'])
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}
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upl_obj = create_upload(post.user.id, filename, real_filename)
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# puts "discourse post #{post['id']} and upload #{upl_obj['id']}"
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if upl_obj&.persisted?
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html = html_for_upload(upl_obj, real_filename)
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if !post.raw[html]
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post.raw += "\n\n#{html}\n\n"
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post.save!
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if PostUpload.where(post: post, upload: upl_obj).exists?
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puts "skipping creating uploaded for previously uploaded file #{upload['file_id']}"
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else
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PostUpload.create!(post: post, upload: upl_obj)
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end
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# PostUpload.create!(post: post, upload: upl_obj) unless PostUpload.where(post: post, upload: upl_obj).exists?
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else
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puts "Skipping attachment #{upload['file_id']}"
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end
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else
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puts "Failed to upload attachment #{upload['file_id']}"
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exit
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end
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current_count += 1
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print_status(current_count, total_count)
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end
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end
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end
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ImportScripts::Phorum.new.perform
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