mirror of
https://github.com/discourse/discourse.git
synced 2024-12-06 00:04:17 +08:00
203 lines
5.5 KiB
Ruby
203 lines
5.5 KiB
Ruby
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# frozen_string_literal: true
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require "csv"
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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# Edit the constants and initialize method for your import data.
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# Make sure to follow the right format in your CSV files.
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class ImportScripts::CsvImporter < ImportScripts::Base
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CSV_FILE_PATH = ENV["CSV_USER_FILE"] || "/var/www/discourse/tmp/users.csv"
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CSV_CUSTOM_FIELDS = ENV["CSV_CUSTOM_FIELDS"] || "/var/www/discourse/tmp/custom_fields.csv"
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CSV_EMAILS = ENV["CSV_EMAILS"] || "/var/www/discourse/tmp/emails.csv"
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CSV_CATEGORIES = ENV["CSV_CATEGORIES"] || "/var/www/discourse/tmp/categories.csv"
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CSV_TOPICS = ENV["CSV_TOPICS"] || "/var/www/discourse/tmp/topics_new_users.csv"
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CSV_TOPICS_EXISTING_USERS =
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ENV["CSV_TOPICS"] || "/var/www/discourse/tmp/topics_existing_users.csv"
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IMPORT_PREFIX = ENV["IMPORT_PREFIX"] || "2022-08-11"
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IMPORT_USER_ID_PREFIX = "csv-user-import-" + IMPORT_PREFIX + "-"
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IMPORT_CATEGORY_ID_PREFIX = "csv-category-import-" + IMPORT_PREFIX + "-"
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IMPORT_TOPIC_ID_PREFIX = "csv-topic-import-" + IMPORT_PREFIX + "-"
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IMPORT_TOPIC_ID_EXISITNG_PREFIX = "csv-topic_existing-import-" + IMPORT_PREFIX + "-"
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def initialize
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super
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@imported_users = load_csv(CSV_FILE_PATH)
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@imported_emails = load_csv(CSV_EMAILS)
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@imported_custom_fields = load_csv(CSV_CUSTOM_FIELDS)
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@imported_custom_fields_names = @imported_custom_fields.headers.drop(1)
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@imported_categories = load_csv(CSV_CATEGORIES)
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@imported_topics = load_csv(CSV_TOPICS)
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@imported_topics_existing_users = load_csv(CSV_TOPICS_EXISTING_USERS)
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@skip_updates = true
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end
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def execute
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puts "", "Importing from CSV file..."
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import_users
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import_categories
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import_topics
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import_topics_existing_users
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puts "", "Done"
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end
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def load_csv(path)
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unless File.exist?(path)
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puts "File doesn't exist: #{path}"
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return nil
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end
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CSV.parse(File.read(path, encoding: "bom|utf-8"), headers: true)
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end
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def username_for(name)
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result = name.downcase.gsub(/[^a-z0-9\-\_]/, "")
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result = Digest::SHA1.hexdigest(name)[0...10] if result.blank?
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result
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end
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def get_email(id)
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email = nil
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@imported_emails.each { |e| email = e["email"] if e["user_id"] == id }
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email
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end
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def get_custom_fields(id)
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custom_fields = {}
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@imported_custom_fields.each do |cf|
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if cf["user_id"] == id
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@imported_custom_fields_names.each { |name| custom_fields[name] = cf[name] }
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end
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end
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custom_fields
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end
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def import_users
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puts "", "Importing users"
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users = []
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@imported_users.each do |u|
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email = get_email(u["id"])
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custom_fields = get_custom_fields(u["id"])
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u["email"] = email
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u["custom_fields"] = custom_fields
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u["id"] = IMPORT_USER_ID_PREFIX + u["id"]
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users << u
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end
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users.uniq!
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create_users(users) do |u|
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{
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id: u["id"],
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username: u["username"],
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email: u["email"],
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created_at: u["created_at"],
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custom_fields: u["custom_fields"],
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}
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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 = []
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@imported_categories.each do |c|
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c["user_id"] = user_id_from_imported_user_id(IMPORT_USER_ID_PREFIX + c["user_id"]) ||
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Discourse::SYSTEM_USER_ID
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c["id"] = IMPORT_CATEGORY_ID_PREFIX + c["id"]
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categories << c
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end
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categories.uniq!
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create_categories(categories) do |c|
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{ id: c["id"], user_id: c["user_id"], name: c["name"], description: c["description"] }
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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 = []
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@imported_topics.each do |t|
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t["user_id"] = user_id_from_imported_user_id(IMPORT_USER_ID_PREFIX + t["user_id"]) ||
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Discourse::SYSTEM_USER_ID
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t["category_id"] = category_id_from_imported_category_id(
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IMPORT_CATEGORY_ID_PREFIX + t["category_id"],
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)
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t["id"] = IMPORT_TOPIC_ID_PREFIX + t["id"]
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topics << t
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end
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create_posts(topics) do |t|
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{
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id: t["id"],
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user_id: t["user_id"],
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title: t["title"],
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category: t["category_id"],
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raw: t["raw"],
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}
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end
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end
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def import_topics_existing_users
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# Import topics for users that already existed in the DB, not imported during this migration
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puts "", "Importing topics for existing users"
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topics = []
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@imported_topics_existing_users.each do |t|
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t["id"] = IMPORT_TOPIC_ID_EXISITNG_PREFIX + t["id"]
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topics << t
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end
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create_posts(topics) do |t|
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{
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id: t["id"],
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user_id: t["user_id"], # This is a Discourse user ID
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title: t["title"],
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category: t["category_id"], # This is a Discourse category ID
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raw: t["raw"],
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}
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end
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end
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end
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ImportScripts::CsvImporter.new.perform if __FILE__ == $0
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# == CSV files format
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#
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# + File name: users
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#
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# headers: id,username
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#
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# + File name: emails
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#
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# headers: user_id,email
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#
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# + File name: custom_fields
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#
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# headers: user_id,user_field_1,user_field_2,user_field_3,user_field_4
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#
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# note: the "user_field_1","user_field_2", .. headers are the names of the
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# custom fields, as defined in Discourse's user_custom_fields table.
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#
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# + File name: categories
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#
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# headers: id,user_id,name,description
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#
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# + File name: topics_new_users
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#
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# headers: id,user_id,title,category_id,raw
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#
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# + File name: topics_existing_users
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#
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# headers: id,user_id,title,category_id,raw
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#
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# == Important: except for the topics_existing_users, the IDs in the data can be anything
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# as long as they are consistent among the files.
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#
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