RDS-based caching with TTL and incremental merge support.
Returns cached data if fresh (within TTL), otherwise calls fn and
caches the result.
Usage
ac_cache(key, fn, ttl_minutes = 10, force = FALSE)
Arguments
- key
Cache key (used as filename, e.g., "deals")
- fn
A function that returns a tibble (called if cache is stale)
- ttl_minutes
Time-to-live in minutes (default: 10)
- force
If TRUE, bypasses the cache
Value
The cached or freshly fetched tibble
