module.exports = {
    async get() {
        /*
         *  `this` exports: {
         *     raw: {
         *        req: return express `req` object.
         *        res: return express `res` object.
         *     }
         *     model: return model accessor
         *     session: return model accessor
         *     params: (key, isURL)
         *     headers: (key)
         *     redirect: (url, statusCode)
         *     render: (view, params)
         *     finish: (body)
         *     finisher: {
         *        notfound: (body)
         *        invalid: (body)
         *        error: (body)
         *     }
         *     finishWithCode: (code, body)
         *  }
         */

        var arg1 = 10;
        var arg2 = 20;
        var res = this.model.foo.bar.add(arg1, arg2);  // == 30

        var params = {
            arg1: arg1,
            arg2: arg2,
            res: res
        };

        await this.render('foo/foo.html', params);
    }
};

module.exports = {
    add(arg1, arg2) {
        /*
         *  `this` exports: {
         *     knex: (dsn)
         *     row: (query, params, dsn)
         *     rows: (query, params, dsn)
         *     execute: (query, params, dsn)
         *     tran: (blocks, dsn)
         *  }
         */

        return arg1 + arg2;
    }
};

module.exports = {
    add(arg1, arg2) {
        /*
         *  `this` exports: helpers
         */

        return arg1 + arg2;
    }
};