auto generate fixtures, i didn't havve the time to fill a database so juste fixtures You may encounter a problem saying

[TypeError]                                                        
  join(): Argument #2 ($array) must be of type ?array, string given

so just replace code like:

join($var, ' ');

TO

join(' ', $var);

To load fixtures:

php bin/console d:f:l

sonata admin bundle, no firewall implemented, sorry for thet it's a long test

/admin

#front it's not that fancy design just showing data