Delete a Project within MongoDB, and all MongoDB documents within that Project

mongo.js

db.projects.find({_id:ObjectId('5c77ef689ea802484df52353')}).forEach(function(project) {
  print('Deleting the following project and all resources.');
  printjson(project);
  db.forms.find({project: project._id}).forEach(function(form) {
    print('Deleting form ' + form._id);
    print('Deleting form(' + form._id + ') submissions');
    db.submissions.deleteMany({form: form._id});
    print('Deleting form(' + form._id + ') actions');
    db.actions.deleteMany({form: form._id});
    print('Deleting form(' + form._id + ') revisions');
    db.formrevisions.deleteMany({_rid: form._id}); 
    db.forms.deleteOne({_id: form._id});
  });
  db.roles.find({project: project._id}).forEach(function(role) {
    print('Deleting role(' + role._id + ')');
    db.roles.deleteOne({_id: role._id});
  });
  db.tags.find({project: project._id}).forEach(function(tag) {
    print('Deleting project tag ' + tag._id);
    db.tags.deleteOne({_id: tag._id});
  });
  db.projects.deleteOne({_id: project._id});
});