Mongoose Validate Array Field and expect self id

Mongoose Validate Array

CompanySchema
	.path('tv_broadcasters')
	.validate(function(value, respond) {
		var self = this;
		this.constructor.find({
			tv_broadcasters: {
				$in: value
			},
			_id: {
				$ne: self.id
			}
		}, function(err, company_tvs) {
			if (err) throw err;
			company_tvs.forEach(function(tv, key) {

				console.log("tv_validate : ", tv);
				console.log("self.id :", self.id);
				console.log("tv.id :", tv._id);

				if (self.id === tv._id) return respond(true);
				return respond(false);
			})
			respond(true);
		});
	}, 'The specified tv_broadcasters is already in use.');