Merge branch 'master' of git.freeside.biz:/home/git/freeside
[freeside.git] / FS / FS / cust_credit.pm
index 567be21..544a0e8 100644 (file)
@@ -22,6 +22,7 @@ use FS::cust_event;
 use FS::agent;
 use FS::sales;
 use FS::cust_credit_void;
+use FS::cust_bill_pkg;
 use FS::upgrade_journal;
 
 $me = '[ FS::cust_credit ]';
@@ -131,11 +132,27 @@ sub cust_unlinked_msg {
   ' (cust_credit.crednum '. $self->crednum. ')';
 }
 
-=item insert
+=item insert [ OPTION => VALUE ... ]
 
 Adds this credit to the database ("Posts" the credit).  If there is an error,
 returns the error, otherwise returns false.
 
+Ooptions are passed as a list of keys and values.  Available options:
+
+=over 4
+
+=item reason_type
+
+L<FS::reason_type|Reason> type for newly-inserted reason
+
+=item cust_credit_source_bill_pkg
+
+An arrayref of
+L<FS::cust_credit_source_bill_pkg|FS::cust_credit_source_bilL_pkg> objects.
+They will have their crednum set and will be inserted along with this credit.
+
+=back
+
 =cut
 
 sub insert {
@@ -155,16 +172,23 @@ sub insert {
   my $cust_main = qsearchs( 'cust_main', { 'custnum' => $self->custnum } );
   my $old_balance = $cust_main->balance;
 
-  unless ($self->reasonnum) {
-    my $result = $self->reason( $self->getfield('reason'),
-                                exists($options{ 'reason_type' })
-                                  ? ('reason_type' => $options{ 'reason_type' })
-                                  : (),
-                              );
-    unless($result) {
+  if (!$self->reasonnum) {
+    my $reason_text = $self->get('reason')
+      or return "reason text or existing reason required";
+    my $reason_type = $options{'reason_type'}
+      or return "reason type required";
+
+    local $@;
+    my $reason = FS::reason->new_or_existing(
+      reason => $reason_text,
+      type   => $reason_type,
+      class  => 'R',
+    );
+    if ($@) {
       $dbh->rollback if $oldAutoCommit;
-      return "failed to set reason for $me"; #: ". $dbh->errstr;
+      return "failed to set credit reason: $@";
     }
+    $self->set('reasonnum', $reason->reasonnum);
   }
 
   $self->setfield('reason', '');
@@ -175,6 +199,17 @@ sub insert {
     return "error inserting $self: $error";
   }
 
+  if ( $options{'cust_credit_source_bill_pkg'} ) {
+    foreach my $ccsbr ( @{ $options{'cust_credit_source_bill_pkg'} } ) {
+      $ccsbr->crednum( $self->crednum );
+      $error = $ccsbr->insert;
+      if ( $error ) {
+        $dbh->rollback if $oldAutoCommit;
+        return "error inserting $ccsbr: $error";
+      }
+    }
+  }
+
   $dbh->commit or die $dbh->errstr if $oldAutoCommit;
 
   #false laziness w/ cust_pay::insert
@@ -247,7 +282,7 @@ sub delete {
     my $cust_main = $self->cust_main;
 
     my $error = send_email(
-      'from'    => $conf->config('invoice_from', $self->cust_main->agentnum),
+      'from'    => $conf->invoice_from_full($self->cust_main->agentnum),
                                  #invoice_from??? well as good as any
       'to'      => $conf->config('deletecredits'),
       'subject' => 'FREESIDE NOTIFICATION: Credit deleted',
@@ -347,13 +382,18 @@ adds a record of the voided credit to the cust_credit_void table.
 
 =cut
 
-# yes, false laziness with cust_pay and cust_bill
-# but frankly I don't have time to fix it now
-
 sub void {
   my $self = shift;
   my $reason = shift;
 
+  unless (ref($reason) || !$reason) {
+    $reason = FS::reason->new_or_existing(
+      'class'  => 'X',
+      'type'   => 'Void credit',
+      'reason' => $reason
+    );
+  }
+
   local $SIG{HUP} = 'IGNORE';
   local $SIG{INT} = 'IGNORE';
   local $SIG{QUIT} = 'IGNORE';
@@ -368,7 +408,7 @@ sub void {
   my $cust_credit_void = new FS::cust_credit_void ( {
       map { $_ => $self->get($_) } $self->fields
     } );
-  $cust_credit_void->set('void_reason', $reason);
+  $cust_credit_void->set('void_reasonnum', $reason->reasonnum);
   my $error = $cust_credit_void->insert;
   if ( $error ) {
     $dbh->rollback if $oldAutoCommit;
@@ -518,7 +558,7 @@ sub _upgrade_data {  # class method
   $class->_upgrade_otaker(%opts);
 
   if ( !FS::upgrade_journal->is_done('cust_credit__tax_link')
-      and !$conf->exists('enable_taxproducts') ) {
+      and !$conf->config('tax_data_vendor') ) {
     # RT#25458: fix credit line item applications that should refer to a 
     # specific tax allocation
     my @cust_credit_bill_pkg = qsearch({
@@ -665,6 +705,102 @@ sub credited_sql {
   unapplied_sql();
 }
 
+=item calculate_tax_adjustment PARAMS
+
+Calculate the amount of tax that needs to be credited as part of a lineitem
+credit.
+
+PARAMS must include:
+
+- billpkgnums: arrayref identifying the line items to credit
+- setuprecurs: arrayref of 'setup' or 'recur', indicating which part of
+  the lineitem charge is being credited
+- amounts: arrayref of the amounts to credit on each line item
+- custnum: the customer all of these invoices belong to, for error checking
+
+Returns a hash containing:
+- subtotal: the total non-tax amount to be credited (the sum of the 'amounts')
+- taxtotal: the total tax amount to be credited
+- taxlines: an arrayref of hashrefs for each tax line to be credited, each with:
+  - table: "cust_bill_pkg_tax_location" or "cust_bill_pkg_tax_rate_location"
+  - num: the key within that table
+  - credit: the credit amount to apply to that line
+
+=cut
+
+sub calculate_tax_adjustment {
+  my ($class, %arg) = @_;
+
+  my $error;
+  my @taxlines;
+  my $subtotal = 0;
+  my $taxtotal = 0;
+
+  my (%cust_bill_pkg, %cust_bill);
+
+  for (my $i = 0; ; $i++) {
+    my $billpkgnum = $arg{billpkgnums}[$i]
+      or last;
+    my $setuprecur = $arg{setuprecurs}[$i];
+    my $amount = $arg{amounts}[$i];
+    next if $amount == 0;
+    $subtotal += $amount;
+    my $cust_bill_pkg = $cust_bill_pkg{$billpkgnum}
+                    ||= FS::cust_bill_pkg->by_key($billpkgnum)
+      or die "lineitem #$billpkgnum not found\n";
+
+    my $invnum = $cust_bill_pkg->invnum;
+    $cust_bill{ $invnum } ||= FS::cust_bill->by_key($invnum);
+    $cust_bill{ $invnum}->custnum == $arg{custnum}
+      or die "lineitem #$billpkgnum not found\n";
+
+    # calculate credit ratio.
+    # (First deduct any existing credits applied to this line item, to avoid
+    # rounding errors.)
+    my $charged = $cust_bill_pkg->get($setuprecur);
+    my $previously_credited =
+      $cust_bill_pkg->credited( '', '', setuprecur => $setuprecur) || 0;
+
+    $charged -= $previously_credited;
+    if ($charged < $amount) {
+      $error = "invoice #$invnum: tried to credit $amount, but only $charged was charged";
+      last;
+    }
+    my $ratio = $amount / $charged;
+
+    # gather taxes that apply to the selected item
+    foreach my $table (
+      qw(cust_bill_pkg_tax_location cust_bill_pkg_tax_rate_location)
+    ) {
+      foreach my $tax_link (
+        qsearch($table, { taxable_billpkgnum => $billpkgnum })
+      ) {
+        my $tax_amount = $tax_link->amount;
+        # deduct existing credits applied to the tax, for the same reason as
+        # above
+        foreach ($tax_link->cust_credit_bill_pkg) {
+          $tax_amount -= $_->amount;
+        }
+        my $tax_credit = sprintf('%.2f', $tax_amount * $ratio);
+        my $pkey = $tax_link->get($tax_link->primary_key);
+        push @taxlines, {
+          table   => $table,
+          num     => $pkey,
+          credit  => $tax_credit,
+        };
+        $taxtotal += $tax_credit;
+
+      } #foreach cust_bill_pkg_tax_(rate_)?location
+    }
+  } # foreach $billpkgnum
+
+  return (
+    subtotal => sprintf('%.2f', $subtotal),
+    taxtotal => sprintf('%.2f', $taxtotal),
+    taxlines => \@taxlines,
+  );
+}
+
 =item credit_lineitems
 
 Example:
@@ -678,18 +814,15 @@ Example:
     'apply'             => 1, #0 leaves the credit unapplied
 
     #the credit
-    'newreasonnum'      => scalar($cgi->param('newreasonnum')),
-    'newreasonnum_type' => scalar($cgi->param('newreasonnumT')),
     map { $_ => scalar($cgi->param($_)) }
       #fields('cust_credit')  
-      qw( custnum _date amount reason reasonnum addlinfo ), #pkgnum eventnum
+      qw( custnum _date amount reasonnum addlinfo ), #pkgnum eventnum
 
   );
 
 =cut
 
 #maybe i should just be an insert with extra args instead of a class method
-use FS::cust_bill_pkg;
 sub credit_lineitems {
   my( $class, %arg ) = @_;
   my $curuser = $FS::CurrentUser::CurrentUser;
@@ -725,26 +858,11 @@ sub credit_lineitems {
   #});
 
   my $error = '';
-  if ($arg{reasonnum} == -1) {
-
-    $error = 'Enter a new reason (or select an existing one)'
-      unless $arg{newreasonnum} !~ /^\s*$/;
-    my $reason = new FS::reason {
-                   'reason'      => $arg{newreasonnum},
-                   'reason_type' => $arg{newreasonnum_type},
-                 };
-    $error ||= $reason->insert;
-    if ( $error ) {
-      $dbh->rollback if $oldAutoCommit;
-      return "Error inserting reason: $error";
-    }
-    $arg{reasonnum} = $reason->reasonnum;
-  }
 
   my $cust_credit = new FS::cust_credit ( {
     map { $_ => $arg{$_} }
       #fields('cust_credit')
-      qw( custnum _date amount reason reasonnum addlinfo ), #pkgnum eventnum
+      qw( custnum _date amount reasonnum addlinfo ), #pkgnum eventnum
   } );
   $error = $cust_credit->insert;
   if ( $error ) {
@@ -762,8 +880,11 @@ sub credit_lineitems {
   my %cust_credit_bill = ();
   my %cust_bill_pkg = ();
   my %cust_credit_bill_pkg = ();
-  my %taxlisthash = ();
   my %unapplied_payments = (); #invoice numbers, and then billpaynums
+
+  # determine the tax adjustments
+  my %tax_adjust = $class->calculate_tax_adjustment(%arg);
+
   foreach my $billpkgnum ( @{$arg{billpkgnums}} ) {
     my $setuprecur = shift @{$arg{setuprecurs}};
     my $amount = shift @{$arg{amounts}};
@@ -777,22 +898,21 @@ sub credit_lineitems {
   
     my $invnum = $cust_bill_pkg->invnum;
 
-    if ( $setuprecur eq 'setup' ) {
-      $cust_bill_pkg->setup($amount);
-      $cust_bill_pkg->recur(0);
-      $cust_bill_pkg->unitrecur(0);
-      $cust_bill_pkg->type('');
-    } else {
-      $setuprecur = 'recur'; #in case its a usage classnum?
-      $cust_bill_pkg->recur($amount);
-      $cust_bill_pkg->setup(0);
-      $cust_bill_pkg->unitsetup(0);
-    }
-
     push @{$cust_bill_pkg{$invnum}}, $cust_bill_pkg;
 
-    #unapply any payments applied to this line item (other credits too?)
-    foreach my $cust_bill_pay_pkg ( $cust_bill_pkg->cust_bill_pay_pkg($setuprecur) ) {
+    $cust_credit_bill{$invnum} += $amount;
+    push @{ $cust_credit_bill_pkg{$invnum} },
+      new FS::cust_credit_bill_pkg {
+        'billpkgnum' => $billpkgnum,
+        'amount'     => sprintf('%.2f',$amount),
+        'setuprecur' => $setuprecur,
+        'sdate'      => $cust_bill_pkg->sdate,
+        'edate'      => $cust_bill_pkg->edate,
+      };
+    # unapply payments (but not other credits) from this line item
+    foreach my $cust_bill_pay_pkg (
+      $cust_bill_pkg->cust_bill_pay_pkg($setuprecur)
+    ) {
       $error = $cust_bill_pay_pkg->delete;
       if ( $error ) {
         $dbh->rollback if $oldAutoCommit;
@@ -801,28 +921,49 @@ sub credit_lineitems {
       $unapplied_payments{$invnum}{$cust_bill_pay_pkg->billpaynum}
         += $cust_bill_pay_pkg->amount;
     }
+  }
+
+  # do the same for taxes
+  foreach my $tax_credit ( @{ $tax_adjust{taxlines} } ) {
+    my $table = $tax_credit->{table};
+    my $tax_link = "FS::$table"->by_key( $tax_credit->{num} )
+      or die "tried to credit $table #$tax_credit->{num} but it doesn't exist";
 
-    #$subtotal += $amount;
+    my $billpkgnum = $tax_link->billpkgnum;
+    my $cust_bill_pkg = qsearchs({
+      'table'     => 'cust_bill_pkg',
+      'hashref'   => { 'billpkgnum' => $billpkgnum },
+      'addl_from' => 'LEFT JOIN cust_bill USING (invnum)',
+      'extra_sql' => 'AND custnum = '. $cust_main->custnum,
+    }) or die "unknown billpkgnum $billpkgnum";
+    
+    my $invnum = $cust_bill_pkg->invnum;
+    push @{$cust_bill_pkg{$invnum}}, $cust_bill_pkg;
+
+    my $amount = $tax_credit->{credit};
     $cust_credit_bill{$invnum} += $amount;
+
+    # create a credit application record to the tax line item, earmarked
+    # to the specific cust_bill_pkg_Xlocation
     push @{ $cust_credit_bill_pkg{$invnum} },
       new FS::cust_credit_bill_pkg {
-        'billpkgnum' => $cust_bill_pkg->billpkgnum,
-        'amount'     => sprintf('%.2f',$amount),
-        'setuprecur' => $setuprecur,
-        'sdate'      => $cust_bill_pkg->sdate,
-        'edate'      => $cust_bill_pkg->edate,
+        'billpkgnum' => $billpkgnum,
+        'amount'     => sprintf('%.2f', $amount),
+        'setuprecur' => 'setup',
+        $tax_link->primary_key, $tax_credit->{num}
       };
-
-    # recalculate taxes with new amounts
-    $taxlisthash{$invnum} ||= {};
-    my $part_pkg = $cust_bill_pkg->part_pkg;
-    $cust_main->_handle_taxes( $part_pkg,
-                               $taxlisthash{$invnum},
-                               $cust_bill_pkg,
-                               $cust_bill_pkg->cust_pkg,
-                               $cust_bill_pkg->cust_bill->_date, #invoice time
-                               $cust_bill_pkg->cust_pkg->pkgpart,
-                             );
+    # unapply any payments from the tax
+    foreach my $cust_bill_pay_pkg (
+      $cust_bill_pkg->cust_bill_pay_pkg('setup')
+    ) {
+      $error = $cust_bill_pay_pkg->delete;
+      if ( $error ) {
+        $dbh->rollback if $oldAutoCommit;
+        return "Error unapplying payment: $error";
+      }
+      $unapplied_payments{$invnum}{$cust_bill_pay_pkg->billpaynum}
+        += $cust_bill_pay_pkg->amount;
+    }
   }
 
   ###
@@ -834,115 +975,6 @@ sub credit_lineitems {
 
   foreach my $invnum ( sort { $a <=> $b } keys %cust_credit_bill ) {
 
-    my $arrayref_or_error =
-      $cust_main->calculate_taxes(
-        $cust_bill_pkg{$invnum}, # list of taxable items that we're crediting
-        $taxlisthash{$invnum},   # list of tax-item bindings
-        $cust_bill_pkg{$invnum}->[0]->cust_bill->_date, # invoice time
-      );
-
-    unless ( ref( $arrayref_or_error ) ) {
-      $dbh->rollback if $oldAutoCommit;
-      return "Error calculating taxes: $arrayref_or_error";
-    }
-    
-    my %tax_links; # {tax billpkgnum}{nontax billpkgnum}
-
-    #taxes
-    foreach my $cust_bill_pkg ( @{ $cust_bill_pkg{$invnum} } ) {
-      my $billpkgnum = $cust_bill_pkg->billpkgnum;
-      my %hash = ( 'taxable_billpkgnum' => $billpkgnum );
-      # gather up existing tax links (we need their billpkgtaxlocationnums)
-      my @tax_links = qsearch('cust_bill_pkg_tax_location', \%hash),
-                      qsearch('cust_bill_pkg_tax_rate_location', \%hash);
-
-      foreach ( @tax_links ) {
-        $tax_links{$_->billpkgnum} ||= {};
-        $tax_links{$_->billpkgnum}{$_->taxable_billpkgnum} = $_;
-      }
-    }
-
-    foreach my $taxline ( @$arrayref_or_error ) {
-
-      my $amount = $taxline->setup;
-
-      # find equivalent tax line item on the existing invoice
-      my $tax_item = qsearchs('cust_bill_pkg', {
-          'invnum'    => $invnum,
-          'pkgnum'    => 0,
-          'itemdesc'  => $taxline->desc,
-      });
-      if (!$tax_item) {
-        # or should we just exit if this happens?
-        $cust_credit->set('amount', 
-          sprintf('%.2f', $cust_credit->get('amount') - $amount)
-        );
-        my $error = $cust_credit->replace;
-        if ( $error ) {
-          $dbh->rollback if $oldAutoCommit;
-          return "error correcting credit for missing tax line: $error";
-        }
-      }
-
-      # but in the new era, we no longer have the problem of uniquely
-      # identifying the tax_Xlocation record.  The billpkgnums of the 
-      # tax and the taxed item are known.
-      foreach my $new_loc
-        ( @{ $taxline->get('cust_bill_pkg_tax_location') },
-          @{ $taxline->get('cust_bill_pkg_tax_rate_location') } )
-      {
-        # the existing tax_Xlocation object
-        my $old_loc =
-          $tax_links{$tax_item->billpkgnum}{$new_loc->taxable_cust_bill_pkg->billpkgnum};
-
-        next if !$old_loc; # apply the leftover amount nonspecifically
-
-        #support partial credits: use $amount if smaller
-        # (so just distribute to the first location?   perhaps should
-        #  do so evenly...)
-        my $loc_amount = min( $amount, $new_loc->amount);
-
-        $amount -= $loc_amount;
-
-        $cust_credit_bill{$invnum} += $loc_amount;
-        push @{ $cust_credit_bill_pkg{$invnum} },
-          new FS::cust_credit_bill_pkg {
-            'billpkgnum'                => $tax_item->billpkgnum,
-            'amount'                    => $loc_amount,
-            'setuprecur'                => 'setup',
-            'billpkgtaxlocationnum'     => $old_loc->billpkgtaxlocationnum,
-            'billpkgtaxratelocationnum' => $old_loc->billpkgtaxratelocationnum,
-          };
-
-      } #foreach my $new_loc
-
-      # we still have to deal with the possibility that the tax links don't
-      # cover the whole amount of tax because of an incomplete upgrade...
-      if ($amount > 0) {
-        $cust_credit_bill{$invnum} += $amount;
-        push @{ $cust_credit_bill_pkg{$invnum} },
-          new FS::cust_credit_bill_pkg {
-            'billpkgnum' => $tax_item->billpkgnum,
-            'amount'     => $amount,
-            'setuprecur' => 'setup',
-          };
-
-      } # if $amount > 0
-
-      #unapply any payments applied to the tax
-      foreach my $cust_bill_pay_pkg
-        ( $tax_item->cust_bill_pay_pkg('setup') )
-      {
-        $error = $cust_bill_pay_pkg->delete;
-        if ( $error ) {
-          $dbh->rollback if $oldAutoCommit;
-          return "Error unapplying payment: $error";
-        }
-        $unapplied_payments{$invnum}{$cust_bill_pay_pkg->billpaynum}
-          += $cust_bill_pay_pkg->amount;
-      }
-    } #foreach $taxline
-
     # if we unapplied any payments from line items, also unapply that 
     # amount from the invoice
     foreach my $billpaynum (keys %{$unapplied_payments{$invnum}}) {