Struct CachedRates 

pub struct CachedRates {
    pub data: ExchangeRateResponse,
    pub cached_at: DateTime<Utc>,
    pub expires_at: DateTime<Utc>,
    pub access_count: u64,
}

Cached exchange rate data with metadata

Fields

data: ExchangeRateResponse

The actual exchange rate data

cached_at: DateTime<Utc>

When this data was cached

expires_at: DateTime<Utc>

When this data expires

access_count: u64

Number of times this entry has been accessed

Implementations

impl CachedRates

pub fn new(data: ExchangeRateResponse, ttl_seconds: u64) -> Self

Create a new cached rates entry

pub fn is_valid(&self) -> bool

Check if this cache entry is still valid

pub fn age_seconds(&self) -> i64

Get the age of this cache entry in seconds

pub fn record_access(&mut self)

Record an access to this cache entry

Trait Implementations

impl Clone for CachedRates

fn clone(&self) -> CachedRates

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CachedRates

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CachedRates

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CachedRates

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.