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# frozen_string_literal: true
require_relative 'constants'
require_relative 'shared'
# Purpose:
# - Reads a set of markdown examples from a hash which has been serialized to disk
# - Converts each example to static HTML using the `markdown` helper
# - Writes the HTML for each example to a hash which is serialized to disk
#
# It should be invoked via `rails runner` from the Rails root directory.
# It is intended to be invoked from the `update_example_snapshots.rb` script class.
module Glfm
class RenderStaticHtml
include Constants
include Shared
def process
markdown_yml_path = ARGV[0]
markdown_hash = YAML.load_file(markdown_yml_path)
context = build_context
# NOTE: We COULD parallelize this loop like the Javascript WYSIWYG example generation does,
# but it wouldn't save much time. Most of the time is spent loading the Rails environment
# via `rails runner`. In initial testing, this loop only took ~7 seconds while the entire
# script took ~20 seconds. Unfortunately, there's no easy way to execute
# `Banzai.render_and_post_process` without using `rails runner`
static_html_hash = markdown_hash.transform_values do |markdown|
Banzai.render_and_post_process(markdown, context)
end
static_html_tempfile_path = Dir::Tmpname.create(STATIC_HTML_TEMPFILE_BASENAME) do |path|
tmpfile = File.open(path, 'w')
YAML.dump(static_html_hash, tmpfile)
tmpfile.close
end
# Write the path to the output file to stdout
print static_html_tempfile_path
end
private
def build_context
user_username = 'glfm_user_username'
user = User.find_by_username(user_username) ||
User.create!(
email: "glfm_user_email@example.com",
name: "glfm_user_name",
password: "glfm_user_password",
username: user_username
)
# Ensure that we never try to hit Gitaly, even if we
# reload the project
Project.define_method(:skip_disk_validation) do
true
end
project_name = 'glfm_project_name'
project = Project.find_by_name(project_name) ||
Project.create!(
creator: user,
description: "glfm_project_description",
name: project_name,
namespace: user.namespace,
path: 'glfm_project_path'
)
{
only_path: false,
current_user: user,
project: project
}
end
end
end
Glfm::RenderStaticHtml.new.process
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