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|
# frozen_string_literal: true
module Jekyll
module Compose
class FileMover
attr_reader :force, :movement, :root
def initialize(movement, force = false, root = nil)
@movement = movement
@force = force
@root = root
end
def resource_type_from
"file"
end
def resource_type_to
"file"
end
def move
return unless valid_source? && valid_destination?
ensure_directory_exists
update_front_matter
move_file
end
def validate_source
raise ArgumentError, "There was no #{resource_type_from} found at '#{from}'." unless File.exist? from
end
def ensure_directory_exists
dir = File.dirname to
Dir.mkdir(dir) unless Dir.exist?(dir)
end
def validate_should_write!
raise ArgumentError, "A #{resource_type_to} already exists at #{to}" if File.exist?(to) && !force
end
def move_file
FileUtils.mv(from, to)
Jekyll.logger.info "#{resource_type_from.capitalize} #{from} was moved to #{to}"
end
def update_front_matter
content = File.read(from)
if content =~ Jekyll::Document::YAML_FRONT_MATTER_REGEXP
content = $POSTMATCH
match = Regexp.last_match[1] if Regexp.last_match
data = movement.front_matter(Psych.safe_load(match))
File.write(from, "#{Psych.dump(data)}---\n#{content}")
end
rescue Psych::SyntaxError => e
Jekyll.logger.warn e
rescue StandardError => e
Jekyll.logger.warn e
end
private
def valid_source?
return true if File.exist?(from)
invalidate_with "There was no #{resource_type_from} found at '#{from}'."
end
def valid_destination?
return true if force
return true unless File.exist?(to)
invalidate_with "A #{resource_type_to} already exists at #{to}"
end
def invalidate_with(msg)
Jekyll.logger.warn msg
false
end
def from
movement.from
end
def to
file_path(movement.to)
end
def file_path(path)
return path if root.nil? || root.empty?
File.join(root, path)
end
end
end
end
|
