\documentclass[a4paper,12pt,oneside,dutch]{isodoc}

% rubber: clean <%= @number %>.out

\usepackage{array}
\usepackage[utf8]{inputenc}
\setupdocument{
  %% Language and style,
  dutch,
  fill,
  fontpackage=pxfonts,
  %% Company info.
  company=<%= @company.name %>,
  who=<%= @company.contact_name %>,
  street=<%= @company.address_street %>,
  zip=<%= @company.address_postal_code %>,
  city=<%= @company.address_city %>,
  country=<%= @company.country %>,
  countrycode=<%= @company.country_code %>,
  logoaddress={\hspace{-4.4em}
               \begin{tabular}{l@{\ }l}
<% if @company.name.blank? %>                \addresstext:    & \who\\
<% else %>                \addresstext:    & \company \\
<% unless @company.contact_name.blank? %>                \addresswhotext: & \who \\
<% end %><% end %>                                 & \street\\
                                 & \zip\ \city\\[.2em]
<% unless @company.phone.blank? %>          \phonetext:      & \lead\phone\\
<% end %><% unless @company.cell.blank? %>                \cellphonetext:  & \lead\cellphone\\
<% end %><% unless @company.email.blank? %>                \emailtext:      & \email\\[.2em]
<% end %><% unless @company.chamber.blank? %>                \chambertext:    & \chamber\\
<% end %><% unless @company.vatno.blank? %>                \vatnotext:      & \vatno
<% end %>               \end{tabular}},
  %% Footer.
<% unless @company.website.blank? %>  footer,<%
   end %>  areacode=31,
  phone=<%= @company.phone %>,
  cellphone=<%= @company.cell %>,
  email=<%= @company.email %>,
  website=<%= @company.website %>,
  %% Addressee info.
  %foreign,
  to={<%= @customer.name %>\\<%= @customer.address_street%>\\
      <%= @customer.address_postal_code %> <%= @customer.address_city %>},
  % Headlines.
  date=<%= @invoice.created_at.to_formatted_s(:day_code) %>,
  ourref=<%= @number %>,
<% period = @period.map { |p| I18n.l p, :format => :month_and_year }.uniq
   case period.length
   when 1 %>  subject=Factuur <%= period.first %>,<%
   when 2 %>  subject=Factuur <%= period.join(" t/m ") %>,<%
   end %>
  yourref=,
  %% Payment data.
  term=30,
  accountno=<%= @company.accountno %>,
  accountname=<%= @company.accountname %>,
<% unless @company.vatno.blank? %>  vatno=<%= @company.vatno %>,
<% end %><% unless @company.chamber.blank? %>  chamber=<%= @company.chamber %>
<% end %>}

\newcommand{\addresstext}{adres}
\newcommand{\addresswhotext}{t.n.v.}
\renewcommand{\chambertext}{KvK-nr}
\renewcommand{\datetext}{Factuurdatum}
\renewcommand{\emailtext}{e-mail}
\renewcommand{\invoicetext}{\Large\textbf{Factuur}}
\renewcommand{\ourreftext}{Factuurnummer}
\renewcommand{\referencetext}{factuurnummer}
\renewcommand{\vatnotext}{btw-nr}
\renewcommand{\websitetext}{website}

\newenvironment{ihtable}%
 {\vskip1em\tabularx{\linewidth}{@{}X|@{\quad}r|@{\quad}r|@{\quad}r@{}}
   \descriptiontext&Aantal uur&Uurtarief&\amounttext\ML}%
 {\endtabularx}
\newcommand{\ihitem}[4]{#1&#2&\currency~#3&\currency~#4\\}
\newcommand{\ifcitem}[2]{#1&--&--&\currency~#2\\}
\newcommand{\ihsubtotal}[1]{\cmidrule[.0em]{4-4}%
  \textit{Subtotaal}&&&\currency~#1\\}
\newcommand{\ihnosubtotal}[1]{\cmidrule[.0em]{4-4}&&&\\}
\newcommand{\ihvat}[1]{\textit{Btw-heffing <%= VATRate %>\%}&&&\currency~#1\\}
\newcommand{\ihtotal}[1]{\cmidrule[.05em]{4-4}%
  \textbf{\Totaltext}&&&\textbf{\currency~#1}}

\begin{document}

\invoice{
 \hypersetup{pdftitle=\invoicetext\ naar\ \toname\ gedateerd \date\ (\ourref)}

 % FIXME: localise the dot/comma stuff in numbers.
 \begin{ihtable}
<% subtotal = 0.0
   @tasks.each do |task, line|
     if line[0].nil? and line[1].nil?
%>  \ifcitem{<%= task %>}%
          {<%= number_with_precision(line[2]) %>}<%
     else
%>  \ihitem{<%= task %>}%
         {<%= number_with_precision(line[0]) %>}{<%= number_with_precision(line[1]) %>}%
         {<%= number_with_precision(line[2]) %>}<%
     end 
     subtotal += line[2]
   end
   if VATRate.zero?
     vat = 0 %>
  \ihnosubtotal{} <%
   else
     vat = subtotal * VATRate/100 %>
  \ihsubtotal{<%= number_with_precision(subtotal) %>}
  \ihvat{<%= number_with_precision(vat) %>}<%
   end %>
  \ihtotal{<%= number_with_precision(subtotal + vat) %>}
 \end{ihtable}
 \vspace{2em}

 Ik verzoek u vriendelijk het verschuldigde bedrag binnen 30 dagen na
 factuurdatum over te maken onder vermelding van het factuurnummer. \\

 \accountdata
}

\end{document}