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|
# frozen_string_literal: true
module Gitlab
module QuickActions
class CommandDefinition
ParseError = Class.new(StandardError)
attr_accessor :name, :aliases, :description, :explanation, :execution_message,
:params, :condition_block, :parse_params_block, :action_block, :warning, :icon, :types
def initialize(name, attributes = {})
@name = name
@aliases = attributes[:aliases] || []
@description = attributes[:description] || ''
@warning = attributes[:warning] || ''
@icon = attributes[:icon] || ''
@explanation = attributes[:explanation] || ''
@execution_message = attributes[:execution_message] || ''
@params = attributes[:params] || []
@condition_block = attributes[:condition_block]
@parse_params_block = attributes[:parse_params_block]
@action_block = attributes[:action_block]
@types = attributes[:types] || []
end
def all_names
[name, *aliases]
end
def noop?
action_block.nil?
end
def available?(context)
return false unless valid_type?(context)
return true unless condition_block
context.instance_exec(&condition_block)
end
def explain(context, arg)
return unless available?(context)
message = if explanation.respond_to?(:call)
begin
execute_block(explanation, context, arg)
rescue ParseError => e
format(_('Problem with %{name} command: %{message}.'), name: name, message: e.message)
end
else
explanation
end
warning_text = if warning.respond_to?(:call)
execute_block(warning, context, arg)
else
warning
end
warning.empty? ? message : "#{message} (#{warning_text})"
end
def execute(context, arg)
return if noop?
count_commands_executed_in(context)
return unless available?(context)
execute_block(action_block, context, arg)
rescue ParseError
# message propagation is handled in `execution_message`.
end
def execute_message(context, arg)
return if noop?
return _('Could not apply %{name} command.') % { name: name } unless available?(context)
if execution_message.respond_to?(:call)
execute_block(execution_message, context, arg)
else
execution_message
end
rescue ParseError => e
format _('Could not apply %{name} command. %{message}.'), name: name, message: e.message
end
def to_h(context)
desc = description
if desc.respond_to?(:call)
desc = begin
context.instance_exec(&desc)
rescue StandardError
''
end
end
warn = warning
if warn.respond_to?(:call)
warn = begin
context.instance_exec(&warn)
rescue StandardError
''
end
end
prms = params
if prms.respond_to?(:call)
prms = begin
Array(context.instance_exec(&prms))
rescue StandardError
params
end
end
{
name: name,
aliases: aliases,
description: desc,
warning: warn,
icon: icon,
params: prms
}
end
private
def count_commands_executed_in(context)
return unless context.respond_to?(:commands_executed_count=)
context.commands_executed_count ||= 0
context.commands_executed_count += 1
end
def execute_block(block, context, arg)
if arg.present?
parsed = parse_params(arg, context)
context.instance_exec(parsed, &block)
elsif block.arity == 0
context.instance_exec(&block)
end
end
def parse_params(arg, context)
return arg unless parse_params_block
context.instance_exec(arg, &parse_params_block)
end
def valid_type?(context)
types.blank? || types.any? { |type| context.quick_action_target.is_a?(type) }
end
end
end
end
|
