Multi-deep async

ninAccounts.js

      var p_roles    = mods.mongoose.model('p_roles');
      var accounts   = mods.mongoose.model('accounts');
      
      var ninAccounts = [];
      var inAccounts  = [];
       
      p_roles.find({ role_id: query.role_id }, function(err, docs) {
        var async   = mods.async;
      
        var pushNinAccounts = function(item, callback) {
          if(item) {
            accounts.findOne({ _id: item.account_id }, function(err, account) {              
              
              if(account != null) {

                ninAccounts.push(account._id);
                callback();
              } else callback();
            });
          }                  
        };

        async.forEach(docs, pushNinAccounts , function(err) {
          if(err)
            console.log(err);
           
          accounts.find({ _id: { $nin: ninAccounts } }, function(err, docs) {

            var pushinAccounts = function(item, callback) {
              if(item) {
                var pushItem = {
                  description: item.name,
                  _id: item._id,
                  role_id: query.role_id
                };                  
                
                inAccounts.push(pushItem);
                callback();
              } else callback();
            };

            async.forEach(docs, pushinAccounts, function(err) {
	          if(err)
		        console.log(err);
		          
		      var response = {
                success: true,
                results: inAccounts.length,
                items: inAccounts
              }
          
              res.send(response);  
	    });
          });
        });
      });