Jonathan Kelley
f2b1c6d97f
overhaul dioxus fullstack using a new implementation of server_fn This PR is a complete rewrite of dioxus fullstack designed to improve compatibility with axum and to fix a number of compilation errors based on feature flag unification plumbing through macros.
83 lines
2.3 KiB
Rust
83 lines
2.3 KiB
Rust
use std::time::Duration;
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use chrono::{DateTime, Utc};
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/// Information about the freshness of a rendered response
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#[derive(Debug, Clone, Copy)]
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pub struct RenderFreshness {
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/// The age of the rendered response
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age: u64,
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/// The maximum age of the rendered response
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max_age: Option<u64>,
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/// The time the response was rendered
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timestamp: DateTime<Utc>,
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}
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impl RenderFreshness {
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/// Create new freshness information
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pub(crate) fn new(age: u64, max_age: u64, timestamp: DateTime<Utc>) -> Self {
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Self {
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age,
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max_age: Some(max_age),
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timestamp,
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}
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}
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/// Create new freshness information with only the age
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pub(crate) fn new_age(age: u64, timestamp: DateTime<Utc>) -> Self {
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Self {
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age,
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max_age: None,
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timestamp,
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}
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}
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/// Create new freshness information from a timestamp
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pub(crate) fn created_at(timestamp: DateTime<Utc>, max_age: Option<Duration>) -> Self {
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Self {
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age: timestamp
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.signed_duration_since(Utc::now())
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.num_seconds()
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.unsigned_abs(),
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max_age: max_age.map(|d| d.as_secs()),
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timestamp,
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}
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}
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/// Create new freshness information at the current time
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pub fn now(max_age: Option<Duration>) -> Self {
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Self {
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age: 0,
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max_age: max_age.map(|d| d.as_secs()),
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timestamp: Utc::now(),
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}
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}
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/// Get the age of the rendered response in seconds
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pub fn age(&self) -> u64 {
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self.age
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}
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/// Get the maximum age of the rendered response in seconds
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pub fn max_age(&self) -> Option<u64> {
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self.max_age
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}
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/// Get the time the response was rendered
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pub fn timestamp(&self) -> DateTime<Utc> {
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self.timestamp
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}
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/// Write the freshness to the response headers.
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pub fn write(&self, headers: &mut http::HeaderMap<http::HeaderValue>) {
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let age = self.age();
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headers.insert(http::header::AGE, age.into());
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if let Some(max_age) = self.max_age() {
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headers.insert(
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http::header::CACHE_CONTROL,
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http::HeaderValue::from_str(&format!("max-age={}", max_age)).unwrap(),
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);
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}
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}
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}
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