Merge branch 'master' of git.freeside.biz:/home/git/freeside

[freeside.git] / FS / FS / cust_main / Status.pm

diff --git a/FS/FS/cust_main/Status.pm b/FS/FS/cust_main/Status.pm
index c17bb57..9a3fe1b 100644 (file)
--- a/FS/FS/cust_main/Status.pm
+++ b/FS/FS/cust_main/Status.pm
@@ -118,6 +118,42 @@ sub cancelled_sql {
 
 =back
 
+=head1 CLASS METHODS
+
+=over 4
+
+=item churn_sql START, END
+
+Returns an SQL statement for the customer churn status query.  The columns
+returned are the custnum and the number of active, suspended, and cancelled
+packages (excluding one-time packages) at the start date ("s_active",
+"s_suspended", and "s_cancelled") and the end date ("e_active", etc.).
+
+=cut
+
+# not sure this belongs here...FS::cust_main::Packages?
+
+sub churn_sql {
+  my $self = shift;
+  my ($speriod, $eperiod) = @_;
+
+  my $s_sql = FS::h_cust_pkg->status_as_of_sql($speriod);
+  my $e_sql = FS::h_cust_pkg->status_as_of_sql($eperiod);
+
+  my @select = (
+    'custnum',
+    'COALESCE(SUM(s.is_active::int),0)     as s_active',
+    'COALESCE(SUM(s.is_suspended::int),0)  as s_suspended',
+    'COALESCE(SUM(s.is_cancelled::int),0)  as s_cancelled',
+    'COALESCE(SUM(e.is_active::int),0)     as e_active',
+    'COALESCE(SUM(e.is_suspended::int),0)  as e_suspended',
+    'COALESCE(SUM(e.is_cancelled::int),0)  as e_cancelled',
+  );
+  my $from = "($s_sql) AS s FULL JOIN ($e_sql) AS e USING (custnum)";
+
+  return "SELECT ".join(',', @select)." FROM $from GROUP BY custnum";
+}
+
 =head1 BUGS
 
 =head1 SEE ALSO