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211 lines
5.8 KiB
Ruby
211 lines
5.8 KiB
Ruby
require "mysql2"
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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class ImportScripts::Drupal < ImportScripts::Base
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DRUPAL_DB = ENV['DRUPAL_DB'] || "newsite3"
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VID = ENV['DRUPAL_VID'] || 1
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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: "password",
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database: DRUPAL_DB
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)
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end
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def categories_query
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@client.query("SELECT tid, name, description FROM term_data WHERE vid = #{VID}")
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end
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def execute
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create_users(@client.query("SELECT uid id, name, mail email, created FROM users;")) do |row|
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{ id: row['id'], username: row['name'], email: row['email'], created_at: Time.zone.at(row['created']) }
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end
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# You'll need to edit the following query for your Drupal install:
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#
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# * Drupal allows duplicate category names, so you may need to exclude some categories or rename them here.
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# * Table name may be term_data.
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# * May need to select a vid other than 1.
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create_categories(categories_query) do |c|
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{ id: c['tid'], name: c['name'], description: c['description'] }
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end
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# "Nodes" in Drupal are divided into types. Here we import two types,
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# and will later import all the comments/replies for each node.
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# You will need to figure out what the type names are on your install and edit the queries to match.
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if ENV['DRUPAL_IMPORT_BLOG']
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create_blog_topics
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end
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create_forum_topics
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create_replies
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begin
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create_admin(email: 'neil.lalonde@discourse.org', username: UserNameSuggester.suggest('neil'))
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rescue => e
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puts '', "Failed to create admin user"
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puts e.message
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end
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end
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def create_blog_topics
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puts '', "creating blog topics"
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create_category({
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name: 'Blog',
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user_id: -1,
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description: "Articles from the blog"
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}, nil) unless Category.find_by_name('Blog')
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results = @client.query("
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SELECT n.nid nid,
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n.title title,
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n.uid uid,
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n.created created,
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n.sticky sticky,
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nr.body body
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FROM node n
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LEFT JOIN node_revisions nr ON nr.vid=n.vid
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WHERE n.type = 'blog'
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AND n.status = 1
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", cache_rows: false)
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create_posts(results) do |row|
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{
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id: "nid:#{row['nid']}",
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user_id: user_id_from_imported_user_id(row['uid']) || -1,
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category: 'Blog',
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raw: row['body'],
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created_at: Time.zone.at(row['created']),
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pinned_at: row['sticky'].to_i == 1 ? Time.zone.at(row['created']) : nil,
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title: row['title'].try(:strip),
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custom_fields: { import_id: "nid:#{row['nid']}" }
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}
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end
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end
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def create_forum_topics
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puts '', "creating forum topics"
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total_count = @client.query("
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SELECT COUNT(*) count
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FROM node n
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LEFT JOIN forum f ON f.vid=n.vid
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WHERE n.type = 'forum'
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AND n.status = 1
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").first['count']
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batch_size = 1000
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batches(batch_size) do |offset|
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results = @client.query("
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SELECT n.nid nid,
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n.title title,
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f.tid tid,
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n.uid uid,
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n.created created,
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n.sticky sticky,
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nr.body body
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FROM node n
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LEFT JOIN forum f ON f.vid=n.vid
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LEFT JOIN node_revisions nr ON nr.vid=n.vid
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WHERE n.type = 'forum'
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AND n.status = 1
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LIMIT #{batch_size}
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OFFSET #{offset};
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", cache_rows: false)
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break if results.size < 1
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next if all_records_exist? :posts, results.map { |p| "nid:#{p['nid']}" }
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create_posts(results, total: total_count, offset: offset) do |row|
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{
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id: "nid:#{row['nid']}",
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user_id: user_id_from_imported_user_id(row['uid']) || -1,
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category: category_id_from_imported_category_id(row['tid']),
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raw: row['body'],
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created_at: Time.zone.at(row['created']),
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pinned_at: row['sticky'].to_i == 1 ? Time.zone.at(row['created']) : nil,
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title: row['title'].try(:strip)
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}
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end
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end
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end
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def create_replies
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puts '', "creating replies in topics"
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if ENV['DRUPAL_IMPORT_BLOG']
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node_types = "('forum','blog')"
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else
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node_types = "('forum')"
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end
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total_count = @client.query("
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SELECT COUNT(*) count
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FROM comments c
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LEFT JOIN node n ON n.nid=c.nid
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WHERE n.type IN #{node_types}
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AND n.status = 1
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AND c.status=0;
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").first['count']
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batch_size = 1000
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batches(batch_size) do |offset|
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results = @client.query("
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SELECT c.cid,
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c.pid,
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c.nid,
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c.uid,
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c.timestamp,
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c.comment body
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FROM comments c
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LEFT JOIN node n ON n.nid=c.nid
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WHERE n.type IN #{node_types}
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AND n.status = 1
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AND c.status=0
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LIMIT #{batch_size}
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OFFSET #{offset};
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", cache_rows: false)
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break if results.size < 1
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next if all_records_exist? :posts, results.map { |p| "cid:#{p['cid']}" }
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create_posts(results, total: total_count, offset: offset) do |row|
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topic_mapping = topic_lookup_from_imported_post_id("nid:#{row['nid']}")
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if topic_mapping && topic_id = topic_mapping[:topic_id]
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h = {
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id: "cid:#{row['cid']}",
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topic_id: topic_id,
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user_id: user_id_from_imported_user_id(row['uid']) || -1,
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raw: row['body'],
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created_at: Time.zone.at(row['timestamp']),
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}
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if row['pid']
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parent = topic_lookup_from_imported_post_id("cid:#{row['pid']}")
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h[:reply_to_post_number] = parent[:post_number] if parent && parent[:post_number] > (1)
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end
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h
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else
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puts "No topic found for comment #{row['cid']}"
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nil
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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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if __FILE__ == $0
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ImportScripts::Drupal.new.perform
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end
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