Add a way to use Throttler multiple times

[ghost]

Is there an existing issue that is already proposing this?

• I have searched the existing issues

Is your feature request related to a problem? Please describe it

The problem is I can't use two Throttler decorators.

Describe the solution you'd like

I want to make something like:

    @UseGuards(ThrottlerGuard)
    @Throttle(10,60)
    @Throttle(1000, 86400)
    @Post("/teste")

With this, is possible to make a business rule:

• Ten request per minute
• One thousand request per day

Teachability, documentation, adoption, migration strategy

It's a pretty good way to use this library.

What is the motivation / use case for changing the behavior?

It's the necessity to Rate Limiting on micro-time (seconds) and macro-time (days).

[jmcdo29]

I think this could be manageable with a new API and mixin guard. Essentially something like ThrottlerGuard('macro') where macro is essentially just a label. That same label would then be added to the @Throttle() decorator as we overhaul that to be @Throttle({ ttl, limit, label? }) and the guard implementation itself uses the reflector plus the label (if it exists) to get specific metadata based on label + metadata key for that labeled guard. This way, it could be used multiple times over for multiple rate limits that need to be adhered to.