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require "mysql2"
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
class ImportScripts::Drupal < ImportScripts::Base
DRUPAL_DB = ENV['DRUPAL_DB'] || "newsite3"
VID = ENV['DRUPAL_VID'] || 1
def initialize
super
@client = Mysql2::Client.new(
host: "localhost",
username: "root",
#password: "password",
database: DRUPAL_DB
)
end
def categories_query
@client.query("SELECT tid, name, description FROM taxonomy_term_data WHERE vid = #{VID}")
end
def execute
create_users(@client.query("SELECT uid id, name, mail email, created FROM users;")) do |row|
{ id: row['id'], username: row['name'], email: row['email'], created_at: Time.zone.at(row['created']) }
end
# You'll need to edit the following query for your Drupal install:
#
# * Drupal allows duplicate category names, so you may need to exclude some categories or rename them here.
# * Table name may be term_data.
# * May need to select a vid other than 1.
create_categories(categories_query) do |c|
{ id: c['tid'], name: c['name'], description: c['description'] }
end
# "Nodes" in Drupal are divided into types. Here we import two types,
# and will later import all the comments/replies for each node.
# You will need to figure out what the type names are on your install and edit the queries to match.
if ENV['DRUPAL_IMPORT_BLOG']
create_blog_topics
end
create_forum_topics
create_replies
begin
create_admin(email: 'neil.lalonde@discourse.org', username: UserNameSuggester.suggest('neil'))
rescue => e
puts '', "Failed to create admin user"
puts e.message
end
end
def create_blog_topics
puts '', "creating blog topics"
create_category({
name: 'Blog',
user_id: -1,
description: "Articles from the blog"
}, nil) unless Category.find_by_name('Blog')
results = @client.query("
SELECT n.nid nid, n.title title, n.uid uid, n.created created, n.sticky sticky,
f.body_value body
FROM node n,
field_data_body f
WHERE n.type = 'blog'
AND n.nid = f.entity_id
AND n.status = 1
", cache_rows: false)
create_posts(results) do |row|
{
id: "nid:#{row['nid']}",
user_id: user_id_from_imported_user_id(row['uid']) || -1,
category: 'Blog',
raw: row['body'],
created_at: Time.zone.at(row['created']),
pinned_at: row['sticky'].to_i == 1 ? Time.zone.at(row['created']) : nil,
title: row['title'].try(:strip),
custom_fields: { import_id: "nid:#{row['nid']}" }
}
end
end
def create_forum_topics
puts '', "creating forum topics"
total_count = @client.query("
SELECT COUNT(*) count
FROM forum_index fi, node n
WHERE n.type = 'forum'
AND fi.nid = n.nid
AND n.status = 1;").first['count']
batch_size = 1000
batches(batch_size) do |offset|
results = @client.query("
SELECT fi.nid nid,
fi.title title,
fi.tid tid,
n.uid uid,
fi.created created,
fi.sticky sticky,
f.body_value body
FROM forum_index fi,
node n,
field_data_body f
WHERE n.type = 'forum'
AND fi.nid = n.nid
AND n.nid = f.entity_id
AND n.status = 1
LIMIT #{batch_size}
OFFSET #{offset};
", cache_rows: false)
break if results.size < 1
next if all_records_exist? :posts, results.map { |p| "nid:#{p['nid']}" }
create_posts(results, total: total_count, offset: offset) do |row|
{
id: "nid:#{row['nid']}",
user_id: user_id_from_imported_user_id(row['uid']) || -1,
category: category_id_from_imported_category_id(row['tid']),
raw: row['body'],
created_at: Time.zone.at(row['created']),
pinned_at: row['sticky'].to_i == 1 ? Time.zone.at(row['created']) : nil,
title: row['title'].try(:strip)
}
end
end
end
def create_replies
puts '', "creating replies in topics"
total_count = @client.query("
SELECT COUNT(*) count
FROM comment c,
node n
WHERE n.nid = c.nid
AND c.status = 1
AND n.type IN ('blog', 'forum')
AND n.status = 1;").first['count']
batch_size = 1000
batches(batch_size) do |offset|
results = @client.query("
SELECT c.cid, c.pid, c.nid, c.uid, c.created,
f.comment_body_value body
FROM comment c,
field_data_comment_body f,
node n
WHERE c.cid = f.entity_id
AND n.nid = c.nid
AND c.status = 1
AND n.type IN ('blog', 'forum')
AND n.status = 1
LIMIT #{batch_size}
OFFSET #{offset};
", cache_rows: false)
break if results.size < 1
next if all_records_exist? :posts, results.map { |p| "cid:#{p['cid']}" }
create_posts(results, total: total_count, offset: offset) do |row|
topic_mapping = topic_lookup_from_imported_post_id("nid:#{row['nid']}")
if topic_mapping && topic_id = topic_mapping[:topic_id]
h = {
id: "cid:#{row['cid']}",
topic_id: topic_id,
user_id: user_id_from_imported_user_id(row['uid']) || -1,
raw: row['body'],
created_at: Time.zone.at(row['created']),
}
if row['pid']
parent = topic_lookup_from_imported_post_id("cid:#{row['pid']}")
h[:reply_to_post_number] = parent[:post_number] if parent && parent[:post_number] > (1)
end
h
else
puts "No topic found for comment #{row['cid']}"
nil
end
end
end
end
end
if __FILE__ == $0
ImportScripts::Drupal.new.perform
end