Add an edit command to gruntmaster-problem

diff --git a/gruntmaster-problem b/gruntmaster-problem
index 819b7ef0a4c3f97ed91f282fc92d35f2ef244890..7e979cdc05164e6c8c4788efb6d19756e7ada04b 100755 (executable)
--- a/gruntmaster-problem
+++ b/gruntmaster-problem
@@ -3,8 +3,10 @@ use v5.14;
 
 use Gruntmaster::Data;
 
+use File::Temp qw/tempfile/;
+
 use IO::Prompter [ -style => 'bold', '-stdio', '-verbatim' ];
-use File::Slurp qw/read_file/;
+use File::Slurp qw/read_file write_file/;
 use JSON qw/encode_json/;
 use Term::ANSIColor qw/RED RESET/;
 use Getopt::Long qw/:config require_order/;
@@ -103,6 +105,16 @@ sub cmd_get{
        say $db->problem($id)->get_column($col)
 }
 
+sub cmd_edit{
+       my ($id, $col) = @_;
+       my ($fh, $file) = tempfile 'gruntmaster-problem-editXXXX', TMPDIR => 1, UNLINK => 1;
+       write_file $fh, $db->problem($id)->get_column($col);
+       close $fh;
+       my $editor = $ENV{EDITOR} // 'editor';
+       system $editor, $file;
+       $db->problem($id)->update({$col => read_file $file});
+}
+
 sub cmd_list{
        local $, = "\n";
        say map {$_->id} $db->problems->all
@@ -155,6 +167,7 @@ gruntmaster-problem - shell interface to Gruntmaster 6000 problems
   gruntmaster-problem show problem_id
   gruntmaster-problem set [--file] problem_id key value
   gruntmaster-problem get problem_id key
+  gruntmaster-problem edit problem_id key
 
 =head1 DESCRIPTION
 
@@ -186,6 +199,10 @@ Sets the I<key> configuration option of problem I<id> to I<value>.
 
 Get the value of the I<key> configuration option of problem I<id>
 
+=item B<edit> I<id> I<key>
+
+Opens an editor with the value of the I<key> configuration option. After the editor exits, the option is updated to the value of the file.
+
 =item B<set> --file I<id> I<key> I<file>
 
 Sets the I<key> configuration option of problem I<id> to the contents of the file I<file>.