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Add ETag headers to get/list endpoints

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Now the client can opt out of receiving the whole JSON body if it hasn't changed since they last requested.

Right now, only `ETag` and `If-None-Match` headers are implemeted which isn't very RFC-spec compliant but it's all I need so I don't care.
This commit is contained in:
Tyler Hallada
2020-11-02 20:22:12 -05:00
parent 4074ad0c97
commit 8cb76d6ff4
11 changed files with 215 additions and 66 deletions
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40
src/handlers/interior_ref_list.rs
View File

@@ -8,42 +8,56 @@ use crate::models::{InteriorRefList, ListParams};
use crate::problem::reject_anyhow;
use crate::Environment;
use super::authenticate;
use super::{authenticate, check_etag, JsonWithETag};
pub async fn get(id: i32, env: Environment) -> Result<impl Reply, Rejection> {
env.caches
pub async fn get(id: i32, etag: Option<String>, env: Environment) -> Result<impl Reply, Rejection> {
let response = env
.caches
.interior_ref_list
.get_response(id, || async {
let interior_ref_list = InteriorRefList::get(&env.db, id).await?;
let reply = json(&interior_ref_list);
let reply = JsonWithETag::from_serializable(&interior_ref_list)?;
let reply = with_status(reply, StatusCode::OK);
Ok(reply)
})
.await
.await?;
Ok(check_etag(etag, response))
}
pub async fn get_by_shop_id(shop_id: i32, env: Environment) -> Result<impl Reply, Rejection> {
env.caches
pub async fn get_by_shop_id(
shop_id: i32,
etag: Option<String>,
env: Environment,
) -> Result<impl Reply, Rejection> {
let response = env
.caches
.interior_ref_list_by_shop_id
.get_response(shop_id, || async {
let interior_ref_list = InteriorRefList::get_by_shop_id(&env.db, shop_id).await?;
let reply = json(&interior_ref_list);
let reply = JsonWithETag::from_serializable(&interior_ref_list)?;
let reply = with_status(reply, StatusCode::OK);
Ok(reply)
})
.await
.await?;
Ok(check_etag(etag, response))
}
pub async fn list(list_params: ListParams, env: Environment) -> Result<impl Reply, Rejection> {
env.caches
pub async fn list(
list_params: ListParams,
etag: Option<String>,
env: Environment,
) -> Result<impl Reply, Rejection> {
let response = env
.caches
.list_interior_ref_lists
.get_response(list_params.clone(), || async {
let interior_ref_lists = InteriorRefList::list(&env.db, &list_params).await?;
let reply = json(&interior_ref_lists);
let reply = JsonWithETag::from_serializable(&interior_ref_lists)?;
let reply = with_status(reply, StatusCode::OK);
Ok(reply)
})
.await
.await?;
Ok(check_etag(etag, response))
}
pub async fn create(