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-rw-r--r--Bugzilla/Attachment.pm47
1 files changed, 47 insertions, 0 deletions
diff --git a/Bugzilla/Attachment.pm b/Bugzilla/Attachment.pm
index 3a8e7d5d5..2a89678c5 100644
--- a/Bugzilla/Attachment.pm
+++ b/Bugzilla/Attachment.pm
@@ -414,6 +414,53 @@ sub datasize {
return $self->{datasize};
}
+=over
+
+=item C<linecount>
+
+the number of lines of the attachment content
+
+=back
+
+=cut
+
+# linecount allows for getting the number of lines of an attachment
+# from the database directly if the data has not yet been loaded for
+# performance reasons.
+
+sub linecount {
+ my ($self) = @_;
+
+ return $self->{linecount} if exists $self->{linecount};
+
+ # Limit this to just text/* attachments as this could
+ # cause strange results for binary attachments.
+ return if $self->contenttype !~ /^text\//;
+
+ # If the data has already been loaded, we can just determine
+ # line count from the data directly.
+ if ($self->{data}) {
+ $self->{linecount} = $self->{data} =~ tr/\n/\n/;
+ }
+ else {
+ $self->{linecount} =
+ int(Bugzilla->dbh->selectrow_array("
+ SELECT LENGTH(attach_data.thedata)-LENGTH(REPLACE(attach_data.thedata,'\n',''))/LENGTH('\n')
+ FROM attach_data WHERE id = ?", undef, $self->id));
+
+ }
+
+ # If we still do not have a linecount either the attachment
+ # is stored in a local file or has been deleted. If the former,
+ # we call self->data to force a load from the filesystem and
+ # then do a split on newlines and count again.
+ unless ($self->{linecount}) {
+ $self->{linecount} = $self->data =~ tr/\n/\n/;
+ }
+
+ return $self->{linecount};
+}
+
sub _get_local_filename {
my $self = shift;
my $hash = ($self->id % 100) + 100;