+package Gruntmaster::Page::Generic;
+
+use 5.014000;
+use strict;
+use warnings;
+
+use Gruntmaster::Data;
+use Gruntmaster::Page::Base;
+use JSON qw/decode_json/;
+our @ISA = qw/Gruntmaster::Page::Base/;
+our $VERSION = '0.001';
+
+sub hgetall {
+ my $hash = shift;
+ my $cp = $Gruntmaster::Data::contest ? "contest.$Gruntmaster::Data::contest." : '';
+ map { { id => $_, HGETALL "$cp$hash.$_" } } SMEMBERS "$cp$hash"
+}
+
+sub putsym {
+ my ($key, $value) = @_;
+ no strict 'refs';
+ *{"$key"} = $value;
+}
+
+sub makepkg {
+ my ($pkg, $id, $title) = @_;
+ my $fn = $pkg =~ s,::,/,gr;
+ return if $INC{"$fn.pm"};
+ $INC{"$fn.pm"} = 1;
+ Gruntmaster::Page::Base->import_to($pkg, $id, $title);
+ putsym "${pkg}::ISA", ['Gruntmaster::Page::Base'];
+}
+
+sub make_generate {
+ my %thing = @_;
+ sub {
+ my ($self, $htc, $lang, $env, $ct) = @_;
+ undef $ct unless $thing{contest};
+ debug $env => "Contest is $ct";
+ local $Gruntmaster::Data::contest = $ct if $ct;
+ my @thing = hgetall $thing{hash};
+ @thing = map { $thing{mangle}->(); $_ } @thing if exists $thing{mangle};
+ @thing = grep { $thing{choose}->() } @thing if exists $thing{choose};
+ @thing = sort { $thing{sortby}->() } @thing if exists $thing{sortby};
+ my %params;
+ $thing{group} //= sub { $thing{id} };
+ for (@thing) {
+ my $group = $thing{group}->();
+ $params{$group} //= [];
+ push $params{$group}, $_
+ }
+ $htc->param(%params);
+ }
+}
+
+sub make_entry_generate{
+ my %thing = @_;
+ sub {
+ my ($self, $htc, $lang, $env, $id, $ct) = @_;
+ ($id, $ct) = ($ct, $id) if $thing{contest};
+ local $Gruntmaster::Data::contest = $ct if $ct;
+ debug $env => "Hash is $thing{hash} and id is $id";
+ my %params = HGETALL "$thing{hash}.$id";
+ $thing{mangle}->(local $_ = \%params) if exists $thing{mangle};
+ %params = (%params, $thing{hook}->(local $_ = \%params)) if exists $thing{hook};
+ $htc->param(%params);
+ }
+}
+
+sub create_thing {
+ my %thing = @_;
+ my $ucid = ucfirst $thing{id};
+ my $pkg = "Gruntmaster::Page::$ucid";
+
+ putsym "${pkg}::_generate", make_generate %thing if makepkg $pkg, @thing{qw/id title/};
+ putsym "${pkg}::Entry::_generate", make_entry_generate %thing if makepkg "${pkg}::Entry", "$thing{id}_entry", '<tmpl_var name>';
+}
+
+sub params;
+sub contest;
+sub choose (&);
+sub sortby (&);
+sub group (&);
+sub mangle (&);
+sub hook (&);
+
+sub thing (&){
+ my %thing;
+ no strict 'refs';
+ local *{"params"} = sub { @thing{qw/id hash title/} = @_ };
+ local *{"choose"} = sub { $thing{choose} = shift };
+ local *{"sortby"} = sub { $thing{sortby} = shift };
+ local *{"mangle"} = sub { $thing{mangle} = shift };
+ local *{"group"} = sub { $thing{group} = shift };
+ local *{"contest"} = sub { $thing{contest} = 1 };
+ local *{"hook"} = sub { $thing{hook} = shift };
+ use strict 'refs';
+
+ shift->();
+ create_thing %thing
+}
+
+##################################################
+
+thing {
+ params qw/us user Users/;
+ choose { $_->{name} =~ /\w/ };
+ sortby { lc $a->{name} cmp lc $b->{name} };
+};
+
+thing {
+ params qw/pb problem Problems/;
+ contest;
+ sortby { $a->{name} cmp $b->{name} };
+ group { $_->{level} };
+};
+
+thing {
+ params qw/ct contest Contests/;
+ mangle {
+ $_->{start} = strftime '%c', localtime $_->{start};
+ $_->{end} = strftime '%c', localtime $_->{end};
+ };
+ sortby { $a->{start} <=> $b->{start} };
+ group { time < $_->{start} ? 'pending' : time > $_->{end} ? 'finished' : 'running' };
+ hook { started => time >= $_->{start} };
+};
+
+thing {
+ params qw/log job/, 'Job log';
+ contest;
+ mangle {
+ $_->{results} &&= decode_json $_->{results};
+ $_->{time} = sprintf "%.4fs", $_->{time} for values ($_->{results} // [])
+ }
+};
+
+1