[pve-devel] [pve-common 3/4] PVE::CLIFormatter::extract_properties_to_print - new helper

[Dietmar Maurer]

This improves sort order. We now priorize required values, and list
them before optional values.

Signed-off-by: Dietmar Maurer <diet...@proxmox.com>
---
 src/PVE/CLIFormatter.pm | 43 ++++++++++++++++++++++++++++++++-----------
 1 file changed, 32 insertions(+), 11 deletions(-)

diff --git a/src/PVE/CLIFormatter.pm b/src/PVE/CLIFormatter.pm
index 14ca9d4..6462bfd 100644
--- a/src/PVE/CLIFormatter.pm
+++ b/src/PVE/CLIFormatter.pm
@@ -288,6 +288,24 @@ sub print_text_table {
     $writeln->($borderstring_b) if $border;
 }
 
+sub extract_properties_to_print {
+    my ($propdef) = @_;
+
+    my $required = [];
+    my $optional = [];
+
+    foreach my $key (keys %$propdef) {
+       my $prop = $propdef->{$key};
+       if ($prop->{optional}) {
+           push @$optional, $key;
+       } else {
+           push @$required, $key;
+       }
+    }
+
+    return [ sort(@$required), sort(@$optional) ];
+}
+
 # prints the result of an API GET call returning an array as a table.
 # takes formatting information from the results property of the call
 # if $props_to_print is provided, prints only those columns. otherwise
@@ -301,20 +319,21 @@ sub print_api_list {
 
     my $returnprops = $result_schema->{items}->{properties};
 
-    if (!defined($props_to_print)) {
-       $props_to_print = [ sort keys %$returnprops ];
-       if (!scalar(@$props_to_print)) {
-           my $all_props = {};
-           foreach my $obj (@{$data}) {
-               foreach my $key (keys %{$obj}) {
-                   $all_props->{ $key } = 1;
-               }
+    $props_to_print = extract_properties_to_print($returnprops)
+       if !defined($props_to_print);
+
+    if (!scalar(@$props_to_print)) {
+       my $all_props = {};
+       foreach my $obj (@$data) {
+           foreach my $key (keys %$obj) {
+               $all_props->{$key} = 1;
            }
-           $props_to_print = [ sort keys %{$all_props} ];
        }
-       die "unable to detect list properties\n" if !scalar(@$props_to_print);
+       $props_to_print = [ sort keys %{$all_props} ];
     }
 
+    die "unable to detect list properties\n" if !scalar(@$props_to_print);
+
     print_text_table($data, $returnprops, $props_to_print, $options);
 }
 
@@ -336,7 +355,9 @@ sub print_api_result {
        my $encoding = $options->{encoding} // 'UTF-8';
        my $type = $result_schema->{type};
        if ($type eq 'object') {
-           $props_to_print = [ sort keys %$data ] if !defined($props_to_print);
+           $props_to_print = 
extract_properties_to_print($result_schema->{properties})
+               if !defined($props_to_print);
+           $props_to_print = [ sort keys %$data ] if !scalar(@$props_to_print);
            my $kvstore = [];
            foreach my $key (@$props_to_print) {
                push @$kvstore, { key => $key, value => 
data_to_text($data->{$key}, $result_schema->{properties}->{$key}) };
-- 
2.11.0

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