Struct CacheMeta 

pub struct CacheMeta {
    pub url: String,
    pub fetched_at: DateTime<Utc>,
    pub last_used_at: DateTime<Utc>,
    pub etag: Option<String>,
    pub last_modified: Option<String>,
    pub content_sha256: String,
    pub size_bytes: u64,
}

Metadata for a cached file.

Fields

url: String

Original URL

fetched_at: DateTime<Utc>

When the file was fetched

last_used_at: DateTime<Utc>

When the file was last used

etag: Option<String>

HTTP ETag header (for conditional GET)

last_modified: Option<String>

HTTP Last-Modified header (for conditional GET)

content_sha256: String

SHA256 hash of content

size_bytes: u64

File size in bytes

Implementations

impl CacheMeta

pub fn new( url: String, etag: Option<String>, last_modified: Option<String>, content_sha256: String, size_bytes: u64, ) -> Self

Create a new CacheMeta with current timestamp.

pub fn touch(&mut self)

Update last_used_at to current time.

pub fn check_freshness(&self, max_age_secs: u32) -> CacheAction

Check if this cache entry is fresh based on max_age.

Returns the appropriate action to take.

Trait Implementations

impl Clone for CacheMeta

fn clone(&self) -> CacheMeta

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CacheMeta

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CacheMeta

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CacheMeta

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

where __S: Serializer,

Serialize this value into the given Serde serializer.