discourse/script/import_scripts/json_generic.rb

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# frozen_string_literal: true
require "csv"
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
# Edit the constants and initialize method for your import data.
class ImportScripts::JsonGeneric < ImportScripts::Base
JSON_FILE_PATH = ENV['JSON_FILE']
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BATCH_SIZE ||= 1000
def initialize
super
@imported_json = load_json
end
def execute
puts "", "Importing from JSON file..."
import_users
import_discussions
puts "", "Done"
end
def load_json
JSON.parse(File.read(JSON_FILE_PATH))
end
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def username_for(name)
result = name.downcase.gsub(/[^a-z0-9\-\_]/, '')
if result.blank?
result = Digest::SHA1.hexdigest(name)[0...10]
end
result
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end
def import_users
puts '', "Importing users"
users = []
@imported_json['topics'].each do |t|
t['posts'].each do |p|
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users << p['author'].scrub
end
end
users.uniq!
create_users(users) do |u|
{
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id: username_for(u),
username: username_for(u),
name: u,
email: "#{username_for(u)}@example.com",
created_at: Time.now
}
end
end
def import_discussions
puts "", "Importing discussions"
topics = 0
posts = 0
@imported_json['topics'].each do |t|
first_post = t['posts'][0]
next unless first_post
topic = {
id: t["id"],
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user_id: user_id_from_imported_user_id(username_for(first_post["author"])) || -1,
raw: first_post["body"],
created_at: Time.zone.parse(first_post["date"]),
cook_method: Post.cook_methods[:raw_html],
title: t['title'],
category: ENV['CATEGORY_ID'],
custom_fields: { import_id: "pid:#{first_post['id']}" }
}
topic[:pinned_at] = Time.zone.parse(first_post["date"]) if t['pinned']
topics += 1
parent_post = create_post(topic, topic[:id])
t['posts'][1..-1].each do |p|
create_post({
id: p["id"],
topic_id: parent_post.topic_id,
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user_id: user_id_from_imported_user_id(username_for(p["author"])) || -1,
raw: p["body"],
created_at: Time.zone.parse(p["date"]),
cook_method: Post.cook_methods[:raw_html],
custom_fields: { import_id: "pid:#{p['id']}" }
}, p['id'])
posts += 1
end
end
puts "", "Imported #{topics} topics with #{topics + posts} posts."
end
end
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if __FILE__ == $0
ImportScripts::JsonGeneric.new.perform
end