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fab-manager/app/helpers/application_helper.rb

101 lines
2.9 KiB
Ruby

# frozen_string_literal: true
# Various helpers methods
module ApplicationHelper
require 'message_format'
##
# Verify if the provided attribute is in the provided attributes array, whatever it exists or not
# @param attributes {Array|nil}
# @param attribute {String}
##
def attribute_requested?(attributes, attribute)
attributes.try(:include?, attribute)
end
def bootstrap_class_for(flash_type)
{ flash: 'alert-success', alert: 'alert-danger', notice: 'alert-info' }[flash_type.to_sym] || flash_type.to_s
end
def flash_messages(_opts = {})
flash.each do |msg_type, message|
concat(content_tag(:div, message, class: "flash-message alert #{bootstrap_class_for(msg_type)} fade in") do
concat content_tag(:button, 'x', class: 'close', data: { dismiss: 'alert' })
concat message
end)
end
nil
end
def print_slot(starting, ending)
"#{starting.strftime('%H:%M')} - #{ending.strftime('%H:%M')}"
end
def class_exists?(class_name)
klass = Module.const_get(class_name)
klass.is_a?(Class)
rescue NameError
false
end
##
# Allow to treat a rails i18n key as a MessageFormat interpolated pattern. Used in ruby views (API/mails)
# @param key {String} Ruby-on-Rails I18n key (from config/locales/xx.yml)
# @param interpolations {Hash} list of variables to interpolate, following ICU MessageFormat syntax
##
def _t(key, interpolations)
message = MessageFormat.new(I18n.t(scope_key_by_partial(key)), I18n.locale.to_s)
text = message.format(interpolations)
if html_safe_translation_key?(key)
text.html_safe # rubocop:disable Rails/OutputSafety
else
text
end
end
def bool_to_sym(bool)
bool ? :true : :false # rubocop:disable Lint/BooleanSymbol
end
def str_to_bool(str, default = 'true')
str.to_s.casecmp(default).zero?
end
def amount_to_f(amount)
amount / 100.00
end
# Return the given amount in centimes, without floating-point imprecision errors
def to_centimes(amount)
(BigDecimal(amount.to_s) * 100.0).to_f
end
# Return the given parameter as it, or as an array if it can be parsed as an array
def may_array(param)
return param if param.is_a?(Array)
return param unless param.chars&.first == '[' && param.chars&.last == ']'
param.gsub(/[\[\]]/i, '').split(',')
end
private
## inspired by gems/actionview-4.2.5/lib/action_view/helpers/translation_helper.rb
# rubocop:disable Rails/HelperInstanceVariable
def scope_key_by_partial(key)
if key.to_s.first == '.'
raise "Cannot use t(#{key.inspect}) shortcut because path is not available" unless @virtual_path # rubocop:disable Rails/HelperInstanceVariable
@virtual_path.gsub(%r{/_?}, '.') + key.to_s # rubocop:disable Rails/HelperInstanceVariable
else
key
end
end
# rubocop:enable Rails/HelperInstanceVariable
def html_safe_translation_key?(key)
key.to_s =~ /(\b|_|\.)html$/
end
end