add deletecredits config value to enable deletion of credits

5 files changed, 96 insertions, 4 deletions

diff --git a/FS/FS/Conf.pm b/FS/FS/Conf.pm
index 2404e59..11243a9 100644
--- a/FS/FS/Conf.pm
+++ b/FS/FS/Conf.pm
@@ -332,7 +332,14 @@ httemplate/docs/config.html
   {
     'key'         => 'deletepayments',
     'section'     => 'UI',
-    'description' => 'Enable deletion of unclosed payments.  Be very careful!  Only delete payments that were data-entry errors, not adjustments. Optionally specify one or more comma-separated email addresses to be notified when a payment is deleted.',
+    'description' => 'Enable deletion of unclosed payments.  Be very careful!  Only delete payments that were data-entry errors, not adjustments.  Optionally specify one or more comma-separated email addresses to be notified when a payment is deleted.',
+    'type'        => [qw( checkbox text )],
+  },
+
+  {
+    'key'         => 'deletecredits',
+    'section'     => 'UI',
+    'description' => 'Enable deletion of unclosed credits.  Be very careful!  Only delete credits that were data-entry errors, not adjustments.  Optionally specify one or more comma-separated email addresses to be notified when a credit is deleted.',
     'type'        => [qw( checkbox text )],
   },
 
diff --git a/FS/FS/cust_credit.pm b/FS/FS/cust_credit.pm
index 18ab1c3..90f9b59 100644
--- a/FS/FS/cust_credit.pm
+++ b/FS/FS/cust_credit.pm
@@ -130,7 +130,64 @@ Currently unimplemented.
 sub delete {
   my $self = shift;
   return "Can't delete closed credit" if $self->closed =~ /^Y/i;
-  $self->SUPER::delete(@_);
+
+  local $SIG{HUP} = 'IGNORE';
+  local $SIG{INT} = 'IGNORE';
+  local $SIG{QUIT} = 'IGNORE';
+  local $SIG{TERM} = 'IGNORE';
+  local $SIG{TSTP} = 'IGNORE';
+  local $SIG{PIPE} = 'IGNORE';
+
+  my $oldAutoCommit = $FS::UID::AutoCommit;
+  local $FS::UID::AutoCommit = 0;
+  my $dbh = dbh;
+
+  foreach my $cust_credit_bill ( $self->cust_credit_bill ) {
+    my $error = $cust_credit_bill->delete;
+    if ( $error ) {
+      $dbh->rollback if $oldAutoCommit;
+      return $error;
+    }
+  }
+
+  my $error = $self->SUPER::delete(@_);
+  if ( $error ) {
+    $dbh->rollback if $oldAutoCommit;
+    return $error;
+  }
+
+  if ( $conf->config('deletecredits') ne '' ) {
+
+    my $cust_main = qsearchs('cust_main',{ 'custnum' => $self->custnum });
+
+    my $error = send_email(
+      'from'    => $conf->config('invoice_from'), #??? well as good as any
+      'to'      => $conf->config('deletecredits'),
+      'subject' => 'FREESIDE NOTIFICATION: Credit deleted',
+      'body'    => [
+        "This is an automatic message from your Freeside installation\n",
+        "informing you that the following credit has been deleted:\n",
+        "\n",
+        'crednum: '. $self->crednum. "\n",
+        'custnum: '. $self->custnum.
+          " (". $cust_main->last. ", ". $cust_main->first. ")\n",
+        'amount: $'. sprintf("%.2f", $self->amount). "\n",
+        'date: '. time2str("%a %b %e %T %Y", $self->_date). "\n",
+        'reason: '. $self->reason. "\n",
+      ],
+    );
+
+    if ( $error ) {
+      $dbh->rollback if $oldAutoCommit;
+      return "can't send credit deletion notification: $error";
+    }
+
+  }
+
+  $dbh->commit or die $dbh->errstr if $oldAutoCommit;
+
+  '';
+
 }
 
 =item replace OLD_RECORD
diff --git a/FS/FS/cust_credit_bill.pm b/FS/FS/cust_credit_bill.pm
index 88a732b..bd76c2e 100644
--- a/FS/FS/cust_credit_bill.pm
+++ b/FS/FS/cust_credit_bill.pm
@@ -96,7 +96,10 @@ Currently unimplemented.
 =cut
 
 sub delete {
-  return "Can't unapply credit!"
+  my $self = shift;
+  return "Can't delete application for closed credit"
+    if $self->cust_credit->closed =~ /^Y/i;
+  $self->SUPER::delete(@_);
 }
 
 =item replace OLD_RECORD
diff --git a/httemplate/misc/delete-cust_credit.cgi b/httemplate/misc/delete-cust_credit.cgi
new file mode 100755
index 0000000..30de04d
--- /dev/null
+++ b/httemplate/misc/delete-cust_credit.cgi
@@ -0,0 +1,16 @@
+<%
+
+#untaint crednum
+my($query) = $cgi->keywords;
+$query =~ /^(\d+)$/ || die "Illegal crednum";
+my $crednum = $1;
+
+my $cust_credit = qsearchs('cust_credit',{'crednum'=>$crednum});
+my $custnum = $cust_credit->custnum;
+
+my $error = $cust_credit->delete;
+eidiot($error) if $error;
+
+print $cgi->redirect($p. "view/cust_main.cgi?". $custnum);
+
+%>
diff --git a/httemplate/view/cust_main.cgi b/httemplate/view/cust_main.cgi
index fb01567..8123b2f 100755
--- a/httemplate/view/cust_main.cgi
+++ b/httemplate/view/cust_main.cgi
@@ -554,6 +554,11 @@ function cust_pay_unapply_areyousure(href) {
  == true)
         window.location.href = href;
 }
+function cust_credit_areyousure(href) {
+    if (confirm("Are you sure you want to delete this credit?")
+ == true)
+        window.location.href = href;
+}
 </SCRIPT>
 END
 
@@ -628,9 +633,13 @@ if ( $conf->config('payby-default') ne 'HIDE' ) {
         $cust_credit->reason,
         time2str("%D", $cust_credit_bill->_date),
       );
+      my $delete =
+        $cust_credit->closed !~ /^Y/i && $conf->exists('deletecredits')
+          ? qq! (<A HREF="javascript:cust_credit_areyousure('${p}misc/delete-cust_credit.cgi?!. $cust_credit->crednum. qq!')">delete</A>)!
+          : '';
       push @history,
         "$date\tCredit #$crednum: $reason<BR>".
-        "(applied to invoice #$invnum on $app_date)\t\t\t$amount\t";
+        "(applied to invoice #$invnum on $app_date)$delete\t\t\t$amount\t";
     }
   }