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Diff for /RT/Invoicing/rt_invoices.pl between version 1.18 and 1.41

version 1.18, 2011/03/22 05:55:27 version 1.41, 2011/12/22 05:21:56
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 #!/usr/bin/perl  #!/usr/bin/perl
 # $AFresh1$  # $AFresh1: rt_invoices.pl,v 1.40 2011/12/22 04:52:28 andrew Exp $
 ########################################################################  ########################################################################
 # Copyright (c) 2011 Andrew Fresh <andrew@afresh1.com>  # Copyright (c) 2011 Andrew Fresh <andrew@afresh1.com>
 #  #
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 use File::Path;  use File::Path;
 use DateTime;  use DateTime;
   
   use lib './lib';    # XXX This is fragile, there are better ways
   use RTI::Config;
   use RTI::State;
   
 my $config = RTI::Config->new();  my $config = RTI::Config->new();
 my $state  = RTI::State->new( $config->get('state') );  my $state  = RTI::State->new( $config->get('state') );
   
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 $rt->login( username => $rt_conf->{user}, password => $rt_conf->{pass} );  $rt->login( username => $rt_conf->{user}, password => $rt_conf->{pass} );
   
   #use YAML;
 #print Dump $config, $state; exit;  #print Dump $config, $state; exit;
   
 my $startdate;  
   
 my $customers = $config->get('customers');  my $customers = $config->get('customers');
 while ( my ( $custid, $cust ) = each %{$customers} ) {  my $startdate = set_dates($customers);
     $cust->{id} = $custid;  
   
     if ( my $invoice = make_invoice($cust) ) {  
         $cust->{invoice} = $invoice;  
     }  
 }  
   
 my @limits = map +{  my @limits = map +{
     attribute  => 'status',      attribute  => 'status',
     operator   => '=',      operator   => '=',
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     # XXX This should be a config option      # XXX This should be a config option
     qw/ open stalled resolved /;      qw/ open stalled resolved /;
   
 if ($startdate) {  push @limits,
     push @limits,      {
         {      attribute => 'last_updated',
         attribute => 'last_updated',      operator  => '>=',
         operator  => '>=',      value     => $startdate->ymd,
         value     => $startdate->ymd,      };
         };  
 }  
   
 my $results = $tickets->search(  my $results = $tickets->search(
     limits  => \@limits,      limits  => \@limits,
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 my $iterator = $results->get_iterator;  my $iterator = $results->get_iterator;
 while ( my $ticket = &$iterator ) {  while ( my $ticket = &$iterator ) {
     my $cust = find_customer_for_ticket( $customers, $ticket );      my $cust = find_customer_for_ticket($ticket, $customers);
     if ( !$cust ) {      if ( !$cust ) {
         warn "No customer found for ticket " . $ticket->id;          warn "No customer found for ticket " . $ticket->id;
         next;          next;
     }      }
     if ( !$cust->{invoice} ) {  
   
         #say "Customer has no open invoices for ticket " . $ticket->id;      next if $cust->{no_invoice};
       $cust->{invoice} ||= make_invoice($cust);
       if ( !$cust->{invoice} ) {
           $cust->{no_invoice} = 1;
           say "$cust->{id} has no open invoices [" . $ticket->id . ']';
         next;          next;
     }      }
     my $invoice = $cust->{invoice};  
   
       say 'Ticket ' . $ticket->id . " belongs to $cust->{id}";
   
     my $project = make_project( $ticket, $cust );      my $project = make_project( $ticket, $cust );
     next unless @{ $project->{fees} } || @{ $project->{expenses} };      next unless @{ $project->{fees} } || @{ $project->{expenses} };
   
     foreach my $fee ( @{ $project->{fees} } ) {      foreach my $fee ( @{ $project->{fees} } ) {
         my $hours = hours_for_date( $invoice, $fee->{date} );          my $hours = hours_for_date( $cust->{invoice}, $fee->{date} );
   
         my $h_type          my $type  = 'unknown';
             = exists $hours->{ $fee->{type} }          my $count = $fee->{count};
             ? $fee->{type}          while ( $type && $count > 0 && $type ne 'default' ) {
             : 'default';              $type = exists $hours->{ $fee->{type} }
                   && $hours->{ $fee->{type} } > 0 ? $fee->{type} : 'default';
   
         next unless exists $hours->{$h_type} && $hours->{$h_type} > 0;              next unless exists $hours->{$type} && $hours->{$type} > 0;
   
         my $discount_time = 0;              my $discount_time = 0;
         if ( $hours->{$h_type} > $fee->{count} ) {              if ( $hours->{$type} > $count ) {
             $hours->{$h_type} -= $fee->{count};                  $hours->{$type} -= $count;
             $discount_time = $fee->{count};                  $discount_time = $count;
         }              }
         else {              else {
             $discount_time = $hours->{$h_type};                  $discount_time = $hours->{$type};
             $hours->{$h_type} = 0;                  $hours->{$type} = 0;
         }              }
   
         if ($discount_time) {              if ($discount_time) {
             $invoice->{discount}{amount}                  $cust->{invoice}->{discount}->{amount}
                 += round( $discount_time * $fee->{rate} );                      += round( $discount_time * $fee->{rate} );
             $invoice->{discount}{hours}{$h_type} += $discount_time;                  $cust->{invoice}->{discount}->{hours}{$type}
                       += $discount_time;
   
             $h_type = '' if $h_type eq 'default';                  $type = '' if $type eq 'default';
             $fee->{detail} = "$discount_time $h_type Hours Discounted";                  $count -= $discount_time;
                   $fee->{detail} .= " $discount_time $type Hours Discounted";
               }
         }          }
     }      }
   
     push @{ $invoice->{projects} }, $project;      push @{ $cust->{invoice}->{projects} }, $project;
 }  }
   
 while ( my ( $custid, $cust ) = each %{$customers} ) {  
   foreach my $cust ( @{$customers} ) {
     my $invoice = $cust->{invoice};      my $invoice = $cust->{invoice};
     next unless $invoice->{projects} && @{ $invoice->{projects} };      next unless $invoice && $invoice->{projects} && @{ $invoice->{projects} };
   
     my %li = ( custid => $custid, invdate => DateTime->now->ymd, );      $invoice->{custid}  = $cust->{id};
       $invoice->{transactions} = [];
   
       my %transactions;
     foreach my $project ( @{ $invoice->{projects} } ) {      foreach my $project ( @{ $invoice->{projects} } ) {
         if ( $project->{transactions} ) {          if ( $project->{transactions} ) {
             push @{ $li{transactions} }, @{ $project->{transactions} };              %transactions = ( %transactions, %{ $project->{transactions} } );
         }          }
         my $subtotal = 0;          my $subtotal = 0;
         foreach my $fee ( @{ $project->{fees} } ) {          foreach my $fee ( @{ $project->{fees} } ) {
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         $project->{total} = $subtotal;          $project->{total} = $subtotal;
         $invoice->{total} += $subtotal;          $invoice->{total} += $subtotal;
     }      }
       @{ $invoice->{transactions} } = sort { $a <=> $b } keys %transactions;
   
     if ( $invoice->{discount} ) {      if ( $invoice->{discount} ) {
         my $c = "Included Hours\n";          my $c = "Included Hours\n";
         if ( $invoice->{discount}{hours} ) {          if ( $invoice->{discount}{hours} ) {
             foreach my $t ( keys %{ $invoice->{discount}{hours} } ) {              foreach my $t ( keys %{ $invoice->{discount}{hours} } ) {
                 $c .= "\n$invoice->{discount}{hours}{$t} $t hour";                  my $type = $t eq 'default' ? '' : $t;
                   $c .= "\n$invoice->{discount}{hours}{$t} $type hour";
                 $c .= 's' if $invoice->{discount}{hours}{$t} != 1;                  $c .= 's' if $invoice->{discount}{hours}{$t} != 1;
                 $c .= "\n";                  $c .= "\n";
             }              }
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         $invoice->{total} -= round( $invoice->{discount}{amount} );          $invoice->{total} -= round( $invoice->{discount}{amount} );
     }      }
   
       $invoice->{past_due} = 0;
       if (my $unpaid_invoices = $state->unpaid_invoices($cust->{id})) {
           my %project = ( title => 'Unpaid Invoices', fees => [], );
   
           foreach my $id ( sort { $a <=> $b } keys %{$unpaid_invoices} ) {
               my $unpaid = $state->get_invoice($id);
               $invoice->{past_due} += $unpaid_invoices->{$id};
               push @{ $project{fees} }, {
                   id       => $id,
                   contents => sprintf(
                       "Invoice %06d from %s",
                       $id, ymd_to_DateTime( $unpaid->{invdate} )->ymd
                   ),
                   count => 1,
                   rate  => $unpaid_invoices->{$id},
               };
           }
           unshift @{ $invoice->{projects} }, \%project;
       }
   
     if ( $invoice->{past_due} ) {      if ( $invoice->{past_due} ) {
         $invoice->{total_due} = $invoice->{total} + $invoice->{past_due};          $invoice->{total_due} = $invoice->{total} + $invoice->{past_due};
     }      }
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     next unless $invoice->{total} > 0 || $invoice->{total_due};      next unless $invoice->{total} > 0 || $invoice->{total_due};
   
     $invoice->{info} = $config->get('info');      $invoice->{info} = $config->get('info');
     $invoice->{from} = make_address( $config->get('from') );      my $from = $config->get('from');
     $invoice->{to}   = make_address( $cust->{address} || $custid );      $from = get_user($from) if !ref $from;
   
     $state->{lastinvoice}++;      $invoice->{id} = $state->next_invoice_id;
     $invoice->{id} = $state->{lastinvoice};      $invoice->{file} = sprintf 'invoice_%06d.pdf', $invoice->{id};
     $invoice->{file} = sprintf 'invoice_%06d.pdf', $state->{lastinvoice};  
   
     foreach my $k (qw/ file transactions start end total past_due total_due /)      $invoice->{organization} = $from->{organization} || $from->{name};
     {      $invoice->{from} = make_address($from);
         my $v;      $invoice->{to}   = make_address( $cust->{address} || $cust->{id} );
         if    ( $invoice->{$k} ) { $v = $invoice->{$k} }      $invoice->{logo} = $config->get('logo');
         elsif ( $cust->{$k} )    { $v = $cust->{$k} }  
   
         if ( defined $v && length $v ) {      $state->add_invoice( $invoice );
             if ( ref $v eq 'DateTime' ) {  
                 $li{$k} = $v->ymd;  
             }  
             else {  
                 $li{$k} = $v;  
             }  
         }  
     }  
     $state->{invoice}->{ $li{end} }{ $invoice->{id} } = \%li;  
   
   
     foreach my $key (qw/ start end /) {      foreach my $key (qw/ start end /) {
         if ( exists $invoice->{$key} ) {          if ( exists $invoice->{$key} ) {
             $invoice->{$key} = $invoice->{$key}->strftime('%B %d, %Y');              $invoice->{$key} = $invoice->{$key}->strftime('%B %d, %Y');
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     File::Path::make_path($invoice_dir);      File::Path::make_path($invoice_dir);
     my $file = join '/', $invoice_dir, $invoice->{file};      my $file = join '/', $invoice_dir, $invoice->{file};
   
     my $tt = Template->new;      my $tt = Template->new( INCLUDE_PATH => $config->get('template_dir'), )
     $tt->process( 'invoice.tex.tt', $invoice, $file )          || die $Template::ERROR, "\n";
   
       $tt->process( $config->get('invoice_template'), $invoice, $file )
         or die $tt->error . "\n";          or die $tt->error . "\n";
   
     printf "Generated %s for %s: \$%.02f\n", $invoice->{file}, $custid,      printf "Generated %s for %s: \$%.02f\n", $invoice->{file}, $cust->{id},
         $invoice->{total};          $invoice->{total};
   
 }  }
   
 $state->save;  $state->save;
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 }  }
   
 sub find_customer_for_ticket {  sub find_customer_for_ticket {
     my ( $customers, $ticket ) = @_;      my ($ticket, $customers) = @_;
   
 INVOICE: foreach my $cust ( values %{$customers} ) {      foreach my $cust ( @{$customers} ) {
         next INVOICE unless $cust->{match};          next unless $cust->{match};
         foreach my $m ( @{ $cust->{match} } ) {          foreach my $m ( @{ $cust->{match} } ) {
             my $type = $m->{type};              my $type = $m->{type};
             my $thing = join ' ', $ticket->$type;              my $match
                   = exists $m->{$type}
                   ? lc( $m->{$type} )
                   : qr/\Q$m->{regex}\E/;
               my $thing = [ map {lc} $ticket->$type ];
   
             if ( $m->{$type} ) {              if ( !$match ) {
                 my $match = lc $m->{$type};  
                 next INVOICE unless lc($thing) ~~ $match;  
             }  
             elsif ( $m->{regex} ) {  
                 next INVOICE unless $thing ~~ /\Q$m->{regex}\E/;  
             }  
             else {  
                 warn "Invalid match!";                  warn "Invalid match!";
                 next INVOICE;                  next;
             }              }
               return $cust if ( $match ~~ $thing );
         }          }
         return $cust;  
     }      }
   
     return fake_customer( $customers, $ticket );      # Fake customer if we didn't find one
 }      my $cust = $config->new_customer;
   
 sub fake_customer {  
     my ( $customers, $ticket ) = @_;  
   
     my $cust = $config->get('default') || {};  
   
     ( $cust->{id} ) = $ticket->requestors;      ( $cust->{id} ) = $ticket->requestors;
     return unless $cust->{id};      return unless $cust->{id};
       push @{$customers}, $cust;
   
     $cust->{match} = [      $cust->{match} = [
         {   type  => 'requestors',          {   type  => 'requestors',
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         }          }
     ];      ];
   
     if ( my $invoice = make_invoice($cust) ) {      set_cust_dates($cust);
         $cust->{invoice} = $invoice;  
     }  
   
     $customers->{ $cust->{id} } = $cust;  
     return $cust;      return $cust;
 }  }
   
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 sub make_invoice {  sub make_invoice {
     my ($cust) = @_;      my ($cust) = @_;
   
     my $day  = $cust->{day}       ||= 1;      return if $cust->{no_invoice};
     my $per  = $cust->{per}       ||= 'week';      return unless $cust->{billstart};
     my $freq = $cust->{frequency} ||= 1;  
   
     my $day_method;      my %invoice = ( end => $cust->{billend}->clone->subtract( seconds => 1 ) );
     given ($per) {      $invoice{start} = $cust->{startinvoicedate}->clone
         when ('week')  { $per = 'weeks';  $day_method = 'dow' }          if $cust->{startinvoicedate};
         when ('month') { $per = 'months'; $day_method = 'day' }  
         default { die "Unknown per [$per]\n" }  
     }  
   
     my $billends = DateTime->now->set( hour => 0, minute => 0, second => 0 );      return if $invoice{start} && $invoice{start} > $invoice{end};
   
     # XXX This is helpful, but monthly and billday > 28 == !!!  
     $billends->subtract( days => 1 ) while $billends->$day_method != $day;  
   
     my $date = $billends->clone->subtract( $per => $freq );  
   
     my %invoice = ( end => $billends->clone->subtract( seconds => 1 ) );  
   
     my $lastinvoice = $state->last_invoice( $cust->{id} );  
     if ( $lastinvoice->{date} ) {  
         my $last_invoice_date = ymd_to_DateTime( $lastinvoice->{date} );  
         $date = $last_invoice_date->clone->add( days => 1 );  
   
         $invoice{start} = $date->clone;  
   
         $startdate = $date->clone->subtract( $per => $freq )  
             if !$startdate || $startdate > $date;  
     }  
   
     return if $billends <= $date;  
   
     if ( $cust->{base_rate} ) {      if ( $cust->{base_rate} ) {
         my ( $project, $hours ) = make_base_project(          my ( $project, $hours ) = make_base_project( $cust );
             $cust,  
             {   startdate  => $date,  
                 enddate    => $billends,  
                 per        => $per,  
                 freq       => $freq,  
                 day        => $day,  
                 day_method => $day_method,  
             }  
         );  
   
         if ( @{ $project->{fees} } ) {          if ( @{ $project->{fees} } ) {
             $invoice{end}   = $project->{end};              $invoice{end}   = $project->{end};
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         ];          ];
     }      }
   
     return if $invoice{start} && $invoice{end} < $invoice{start};  
   
     return \%invoice;      return \%invoice;
 }  }
   
 sub make_base_project {  sub make_base_project {
     my ( $cust, $args ) = @_;      my ( $cust ) = @_;
   
     my $date       = $args->{startdate};      my $date    = $cust->{billstart}->clone;
     my $enddate    = $args->{enddate};      my $billend = $cust->{billend}->clone;
     my $per        = $args->{per};      my ($freq) = get_billing_frequency($cust);
     my $freq       = $args->{freq};  
     my $day        = $args->{day};  
     my $day_method = $args->{day_method};  
   
     my $title      my $title
         = $freq == 1          = $cust->{frequency} == 1
         ? ucfirst( $cust->{per} . 'ly' )          ? ucfirst( $cust->{per} . 'ly' )
         : $freq . ' ' . ucfirst( $cust->{per} );          : $freq . ' ' . ucfirst( $cust->{per} );
     $title .= ' Retainer';      $title .= ' Retainer';
Line 392 
Line 365 
     my %project = ( title => $title, start => $date->clone, fees => [], );      my %project = ( title => $title, start => $date->clone, fees => [], );
     my @hours;      my @hours;
   
     while ( $date < $enddate ) {      while ( $date < $billend ) {
         my $start = $date->clone;          my $start = $date->clone;
   
         $date->add( $per => $freq );          $date->add( $freq );
         $date = $enddate->clone if $date > $enddate;  
   
         # XXX This is helpful, but monthly and billday > 28 == !!!          my $end = $date > $billend ? $billend->clone : $date->clone;
         $date->subtract( days => 1 ) while $date->$day_method != $day;          $end->subtract( seconds => 1 );
   
         my $end = $date->clone->subtract( seconds => 1 );  
   
         last if $end < $start;  
   
         $project{end} = $end->clone;          $project{end} = $end->clone;
   
         push @{ $project{fees} },          push @{ $project{fees} },
Line 477 
Line 445 
     my $txns = $ticket->transactions( type => [qw(Comment Correspond)] );      my $txns = $ticket->transactions( type => [qw(Comment Correspond)] );
     my $txn_i = $txns->get_iterator;      my $txn_i = $txns->get_iterator;
     while ( my $txn = $txn_i->() ) {      while ( my $txn = $txn_i->() ) {
         next unless $txn->time_taken;  
         next if $state->txn_is_invoiced( $txn->id );          next if $state->txn_is_invoiced( $txn->id );
   
           if ( my $expense = make_expense( $txn, $ticket ) ) {
               push @{ $project{expenses} }, $expense;
               $project{transactions}{ $txn->id } = 1;
           }
   
           next unless $txn->time_taken;
   
         my $fee = make_fee( $txn, $cust->{rates}, $ticket );          my $fee = make_fee( $txn, $cust->{rates}, $ticket );
   
         if ( !( $fee->{rate} && $fee->{count} ) ) {          if ( !( $fee->{rate} && $fee->{count} ) ) {
Line 488 
Line 462 
         }          }
   
         my $invoice = $cust->{invoice};          my $invoice = $cust->{invoice};
         next          if ( $invoice->{start} && $invoice->{start} > $fee->{date} ) {
             if $invoice->{start}              warn "Ticket "
                 && $invoice->{start} > $fee->{date};                  . $ticket->id
                   . " has uninvoiced Transaction "
                   . $txn->id . "\n";
               next;
           }
         next if $invoice->{end} < $fee->{date};          next if $invoice->{end} < $fee->{date};
   
         push @{ $project{fees} },         $fee;          push @{ $project{fees} }, $fee;
         push @{ $project{transactions} }, $txn->id;          $project{transactions}{ $txn->id } = 1;
     }      }
   
     return \%project;      return \%project;
Line 508 
Line 486 
     my $work_time = sprintf "%.03f", $txn->time_taken / 60;      my $work_time = sprintf "%.03f", $txn->time_taken / 60;
     my $work_type = $txn->cf('WorkType');      my $work_type = $txn->cf('WorkType');
   
       if ( $work_type =~ s/\s*Onsite//i ) {
   
           # XXX Do something special for onsite activities
       }
   
       $work_type =~ s/^\s+|\s+$//g;
       $work_type ||= 'Normal';
   
     my %fee = (      my %fee = (
         id       => $txn->id,          id       => $txn->id,
         contents => $txn->created . ' ('          contents => $txn->created . ' ('
Line 526 
Line 512 
     return \%fee;      return \%fee;
 }  }
   
   sub make_expense {
       my ( $txn, $ticket ) = @_;
   
       my $amount = $txn->cf('ExpenseAmount') or return;
   
       my %expense = (
           id       => $txn->id,
           contents => $txn->created . ' ('
               . $txn->id . ')' . "\n\n"
               . ( $txn->data || $ticket->subject ),
           amount => $amount,
           date   => ymd_to_DateTime( $txn->created ),
   
           # detail => ???,
       );
   
       return \%expense;
   }
   
 sub hours_for_date {  sub hours_for_date {
     my ( $invoice, $date ) = @_;      my ( $invoice, $date ) = @_;
   
Line 549 
Line 554 
     my ( $hour, $minute, $second ) = split ':', $time if $time;      my ( $hour, $minute, $second ) = split ':', $time if $time;
   
     return DateTime->new(      return DateTime->new(
         year   => $year,          year      => $year,
         month  => $month,          month     => $month,
         day    => $day,          day       => $day,
         hour   => $hour || 0,          hour      => $hour || 0,
         minute => $minute || 0,          minute    => $minute || 0,
         second => $second || 0,          second    => $second || 0,
           time_zone => 'local',
     );      );
 }  }
   
 package RTI::Config;  sub get_billing_frequency {
 use strict;      my ($cust) = @_;
 use warnings;      my $per  = $cust->{per}       || 'week';
       my $freq = $cust->{frequency} || 1;
   
 use 5.010;      my $day_method;
       given ($per) {
           when ('week')  { $per = 'weeks';  $day_method = 'dow' }
           when ('month') { $per = 'months'; $day_method = 'day' }
           default { die "Unknown per [$per]\n" }
       }
   
 use YAML::Any qw/ LoadFile Dump Load /;      return DateTime::Duration->new($per => $freq), $day_method;
 use File::Basename;  
   
 sub new {  
     my ( $class, $args ) = @_;  
   
     my $self = { file => '', };  
     bless $self, $class;  
   
     my $file = $args->{file} || $self->_find_config;  
     $self->read_config($file);  
   
     return $self;  
 }  }
   
 sub _find_config {  sub set_dates {
     my ($self) = @_;      my ($customers) = @_;
   
       my $newest_invoice;
       my $max_duration;
   
     # XXX This needs to be better      foreach my $cust ( @{$customers} ) {
     foreach my $file (qw/ rt_invoice.conf rt_invoice.cfg .rt_invoicerc /) {          set_cust_dates($cust);
         foreach my $dir ( '.', $ENV{HOME} . '/.rt_invoicing', $ENV{HOME} ) {  
             my $path = join '/', $dir, $file;  
             return $path if -e $path;  
         }  
     }  
     return;  
 }  
   
 sub read_config {          my ($freq) = get_billing_frequency($cust);
     my ( $self, $file ) = @_;          $max_duration = $freq
               if !$max_duration
                   || DateTime::Duration->compare( $freq, $max_duration ) > 0;
   
     $file ||= $self->{file};          if ( $cust->{startinvoicedate} ) {
     die "$file: no such file\n" unless -e $file;              my $date = $cust->{startinvoicedate}->clone;
               $newest_invoice = $date->clone
     my $c = LoadFile($file) or die "Unable to load $file\n";                  if !$newest_invoice || $newest_invoice < $date;
   
     $c->{customers} ||= {};  
     if ( $c->{default} ) {  
         foreach my $cust ( values %{ $c->{customers} } ) {  
             foreach my $k ( keys %{ $c->{default} } ) {  
                 $cust->{$k} //= Load( Dump( $c->{default}->{$k} ) );  
             }  
         }          }
     }      }
   
     $self->{_config} = $c;      return $newest_invoice->clone->subtract($max_duration)
     $self->{file}    = $file;          ->subtract( days => 1 );
 }  }
   
 sub get {  sub set_cust_dates {
     my ( $self, $key ) = @_;      my ($cust) = @_;
     my $value = Load( Dump( $self->{_config}->{$key} ) );  
   
     return $value if $value;      my $day = $cust->{day} || 0;
       my ( $freq, $day_method ) = get_billing_frequency($cust);
   
     given ($key) {      my $end = DateTime->now( time_zone => 'local' )
         when ('state') {          ->set( hour => 0, minute => 0, second => 0 );
             $value = $self->{file};  
             $value =~ s/(?:\.[^.]+)?$/\.state/;  
         }  
         when ('invoice_dir') {  
             $value = dirname( $self->{file} ) . '/invoices';  
         }  
     }  
   
     return $value;      my $start = $end->clone->subtract($freq);
 }  
   
 package RTI::State;      # XXX This is helpful, but monthly and billday > 28 == !!!
 use strict;      $end->subtract( days => 1 )
 use warnings;          while $day && $end->$day_method != $day;
   
 use 5.010;      my $lastinvoice = $state->last_invoice( $cust->{id} );
       if ( $lastinvoice && $lastinvoice->{end} ) {
 use YAML::Any qw/ LoadFile DumpFile /;          $start = ymd_to_DateTime( $lastinvoice->{end} )->add( days => 1 );
           $cust->{startinvoicedate} = $start->clone;
 my $file = '';  
   
 sub new {  
     my $class;  
     ( $class, $file ) = @_;  
   
     my $self = { lastinvoice => 0, };  
     if ( -e $file ) {  
         $self = LoadFile($file) or die "Unable to load state: $!";  
     }      }
   
     bless $self, $class;      $cust->{no_invoice} = 1 if $start->clone->add($freq) > $end;
       $cust->{billend}    = $end;
     die "Need to pass filename to new: $!" unless $file;      $cust->{billstart}  = $start;
   
     return $self;  
 }  
   
 sub last_invoice {  
     my ( $self, $custid ) = @_;  
     state %table;  
     if ( !%table ) {  
         foreach my $date ( sort keys %{ $self->{invoice} } ) {  
             while ( my ( $id, $inv ) = each %{ $self->{invoice}->{$date} } ) {  
                 next unless $inv->{custid};  
                 $table{ $inv->{custid} } = {  
                     id   => $id,  
                     date => $date,  
                     %{$inv},  
                 };  
             }  
         }  
     }  
     return $table{$custid} || {};  
 }  
   
 sub txn_is_invoiced {  
     my ( $self, $txn ) = @_;  
     state %table;  
     if ( !%table ) {  
         foreach my $date ( sort keys %{ $self->{invoice} } ) {  
             foreach my $inv ( values %{ $self->{invoice}->{$date} } ) {  
                 foreach my $t ( @{ $inv->{transactions} } ) {  
                     $table{$t} = 1;  
                 }  
             }  
         }  
     }  
     return $table{$txn};  
 }  
   
 sub save {  
     my ($self) = @_;  
     DumpFile( $file, {%$self} ) or die "Unable to save state: $!";  
 }  }
Legend:
Removed from v.1.18  
changed lines
  Added in v.1.41
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