From d7177aa0309b044596f04af4e269dc29f82ad1e0 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Wed, 14 Sep 2016 22:11:20 +0200
Subject: implemented multi-show remove


diff --git a/lib/RHRD/rddb.pm b/lib/RHRD/rddb.pm
index 5e0afbc..da3a1e5 100755
--- a/lib/RHRD/rddb.pm
+++ b/lib/RHRD/rddb.pm
@@ -155,6 +155,12 @@ sub get_showid_range
   return get_cart_range($ctx, $ctx->{'config'}{'specialgroups'}{'shows'})
 }
 
+sub get_multi_showid_range
+{
+  my ($ctx) = @_;
+  return get_cart_range($ctx, $ctx->{'config'}{'specialgroups'}{'multishows'})
+}
+
 sub get_next_free_slot
 {
   my ($ctx, $groupname) = @_;
@@ -2058,6 +2064,23 @@ sub create_multi_show
   return ($number, 'OK', 'success');
 }
 
+sub remove_multi_show
+{
+  my ($ctx, $showid) = @_;
+
+  my $sql = qq{delete from CART where NUMBER = ?;};
+
+  my $sth = $ctx->{'dbh'}->prepare($sql)
+    or return (undef, 'ERROR', "Database Error: " . $ctx->{'dbh'}->errstr);
+
+  my $cnt = $sth->execute($showid)
+    or return (undef, 'ERROR', "Database Error: " . $sth->errstr);
+
+  $sth->finish();
+
+  return ($cnt, 'OK', 'success');
+}
+
 
 ###########################  MUSICPOOL handling  ###########################
 
diff --git a/utils/rhrd-show b/utils/rhrd-show
index d4646ba..ef8cb7a 100755
--- a/utils/rhrd-show
+++ b/utils/rhrd-show
@@ -411,6 +411,29 @@ sub multi_add
   return 0;
 }
 
+sub multi_remove
+{
+  my ($ctx, $showid) = @_;
+
+  my ($showid_min, $showid_max, $errorstring) = RHRD::rddb::get_multi_showid_range($ctx);
+  unless(defined $showid_min) {
+    print STDERR $showid_max . ": " . $errorstring . "\n";
+    return 1;
+  }
+  if ($showid < $showid_min || $showid > $showid_max) {
+    print STDERR "multi-show-id '" . $showid . "' is out of range (min: $showid_min, max: $showid_max)\n";
+    return 1;
+  }
+
+  (my $result, my $status, $errorstring) = RHRD::rddb::remove_multi_show($ctx, $showid);
+  unless(defined $result) {
+    print STDERR $status . ": " . $errorstring . "\n";
+    return 1;
+  }
+  print int($result) . " rows affected\n";
+
+  return 0;
+}
 
 
 my $num_args = $#ARGV + 1;
@@ -489,6 +512,14 @@ if(defined $ctx) {
       $ret = multi_add($ctx, $title, @ARGV)
     }
   }
+  elsif($cmd eq "multi-remove") {
+    if($num_args != 2) {
+      print_usage();
+      $ret = 1;
+    } else {
+      $ret = multi_remove($ctx, $ARGV[1]);
+    }
+  }
   else {
     print_usage();
     $ret = 1;
-- 
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