Modified the compare since it seems like JSON_prev sometime has a met…

…adata entry.

lib/Nest.pm

@@ -385,13 +385,15 @@ sub parse_data {
  #This is the first JSON packet received after connecting
  $$self{prev_JSON} = $$self{JSON};
  $$self{JSON} = decode_json $data;
- if (!defined $$self{prev_JSON}){
+ if (!defined $$self{prev_JSON}{data}{devices}){
  #this is the first run so convert the names to ids
  $self->convert_to_ids($$self{monitor});
  }
  $self->compare_json($$self{JSON}, $$self{prev_JSON}, $$self{monitor});
- #print "*** Object *** " . Data::Dumper::Dumper( \$self);
-
+ #print "*** Object *** \n";
+ #print Data::Dumper::Dumper( \$self);
+ #print Data::Dumper::Dumper( \$self->{monitor});
+ #print "*** Object *** \n";
  }
  elsif ($event =~ /auth_revoked/){
  # Sent when auth parameter is no longer valid
@@ -597,6 +599,7 @@ sub convert_to_ids {
  my ($self) = @_;
  for my $array_ref (@{$$self{register}}){
  my ($parent, $value, $action) = @{$array_ref};
+ $self->debug("Nest Initial data load convert_to_ids " . $value);
  my $device_id = $parent->device_id();
  if ($$parent{type} ne '') {
  push(@{$$self{monitor}{data}{$$parent{class}}{$$parent{type}}{$device_id}{$value}},$action);
@@ -610,14 +613,14 @@ sub convert_to_ids {
 
 =item C<client_version()>
 
-Prints the Misterhouse Client Version. Client version of 2 is required for humidity and hvac_state
+Prints the Misterhouse Client Version. Client version of 2 is required for humidity and hvac_state. Returns -1 if unknown version, or if the data hasn't been parsed yet
 
 =cut
 
 sub client_version {
  my ($self) = @_;
- my $version = 0;
- $version = $$self{JSON}{data}{metadata}{client_version};
+ my $version = -1;
+ $version = $$self{JSON}{data}{metadata}{client_version} if defined ($$self{JSON}{data}{metadata}{client_version});
  return ($version);
 
 }
@@ -1740,4 +1743,4 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
-=cut
+=cut