169 lines
4.4 KiB
Ruby
169 lines
4.4 KiB
Ruby
# frozen_string_literal: true
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require "mysql2"
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require "time"
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require "date"
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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class ImportScripts::FLARUM < ImportScripts::Base
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#SET THE APPROPRIATE VALUES FOR YOUR MYSQL CONNECTION
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FLARUM_HOST = ENV["FLARUM_HOST"] || "db_host"
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FLARUM_DB = ENV["FLARUM_DB"] || "db_name"
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BATCH_SIZE = 1000
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FLARUM_USER = ENV["FLARUM_USER"] || "db_user"
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FLARUM_PW = ENV["FLARUM_PW"] || "db_user_pass"
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def initialize
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super
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@client =
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Mysql2::Client.new(
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host: FLARUM_HOST,
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username: FLARUM_USER,
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password: FLARUM_PW,
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database: FLARUM_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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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 users;").first["count"]
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batches(BATCH_SIZE) do |offset|
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results =
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mysql_query(
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"SELECT id, username, email, joined_at, last_seen_at
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FROM users
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};",
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)
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break if results.size < 1
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next if all_records_exist? :users, results.map { |u| u["id"].to_i }
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create_users(results, total: total_count, offset: offset) do |user|
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{
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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["username"],
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created_at: user["joined_at"],
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last_seen_at: user["last_seen_at"],
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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_categories
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puts "", "importing top level categories..."
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categories =
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mysql_query(
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"
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SELECT id, name, description, position
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FROM tags
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ORDER BY position ASC
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",
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).to_a
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create_categories(categories) { |category| { id: category["id"], name: category["name"] } }
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puts "", "importing children categories..."
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children_categories =
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mysql_query(
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"
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SELECT id, name, description, position
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FROM tags
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ORDER BY position
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",
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).to_a
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create_categories(children_categories) do |category|
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{
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id: "child##{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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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 posts").first["count"]
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batches(BATCH_SIZE) do |offset|
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results =
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mysql_query(
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"
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SELECT p.id id,
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d.id topic_id,
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d.title title,
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d.first_post_id first_post_id,
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p.user_id user_id,
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p.content raw,
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p.created_at created_at,
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t.tag_id category_id
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FROM posts p,
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discussions d,
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discussion_tag t
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WHERE p.discussion_id = d.id
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AND t.discussion_id = d.id
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ORDER BY p.created_at
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset};
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",
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).to_a
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break if results.size < 1
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next if all_records_exist? :posts, results.map { |m| m["id"].to_i }
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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_FLARUM_post(m["raw"], m["id"])
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mapped[:created_at] = Time.zone.at(m["created_at"])
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if m["id"] == m["first_post_id"]
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mapped[:category] = category_id_from_imported_category_id("child##{m["category_id"]}")
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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["first_post_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["first_post_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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end
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end
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def process_FLARUM_post(raw, import_id)
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s = raw.dup
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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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end
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ImportScripts::FLARUM.new.perform
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