# frozen_string_literal: true # Various helpers methods module ApplicationHelper include Twitter::Autolink require 'message_format' ## machine/spaces availabilities are divided in multiple slots of 60 minutes SLOT_DURATION ||= 60 ## # 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 else text end end def bool_to_sym(bool) bool ? :true : :false # rubocop:disable Lint/BooleanSymbol end def amount_to_f(amount) amount / 100.00 end ## # Retrieve an item in the given array of items # by default, the "id" is expected to match the given parameter but # this can be overridden by passing a third parameter to specify the # property to match ## def get_item(array, id, key = nil) array.each do |i| if key.nil? return i if i.id == id elsif i[key] == id return i end end nil end ## # Apply a correction for a future DateTime due to change in Daylight Saving Time (DST) period # @param reference {ActiveSupport::TimeWithZone} # @param datetime {DateTime} # Inspired by https://stackoverflow.com/a/12065605 ## def dst_correction(reference, datetime) res = datetime.in_time_zone(reference.time_zone.tzinfo.name) res -= 1.hour if res.dst? && !reference.dst? res += 1.hour if reference.dst? && !res.dst? res end private ## inspired by gems/actionview-4.2.5/lib/action_view/helpers/translation_helper.rb 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 @virtual_path.gsub(%r{/_?}, '.') + key.to_s else key end end def html_safe_translation_key?(key) key.to_s =~ /(\b|_|\.)html$/ end end