Started on user day entry

lib/Pear/LocalLoop/Controller/Api/User.pm

@@ -1,5 +1,34 @@
 package Pear::LocalLoop::Controller::Api::User;
 use Mojo::Base 'Mojolicious::Controller';
+use Mojo::JSON;
+
+has error_messages => sub {
+  return {
+    day => {
+      is_iso_datetime => { message => 'Invalid ISO8601 Datetime', status => 400 },
+    },
+  };
+};
+
+sub post_day {
+  my $c = shift;
+
+  my $validation = $c->validation;
+
+  $validation->input( $c->stash->{api_json} );
+
+  $validation->optional('day')->is_iso_datetime;
+
+  return $c->api_validation_error if $validation->has_error;
+
+  $c->render( json => {
+    success => Mojo::JSON->true,
+  });
+}
+
+1;
+
+__END__
 use Data::Dumper;
 use Mojo::JSON;
 use DateTime;