LemmyNet/pict-rs
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Extract details processing

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Aode (lion) 2022-04-08 13:03:00 -05:00
parent 31c5a36c77
commit 5f19b63166
2 changed files with 45 additions and 63 deletions
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13
README.md
View file

@ -275,7 +275,18 @@ pict-rs offers the following endpoints:
"files": [
{
"delete_token": "OxRpM3sf0Y",
"file": "1hJaYfGE01.jpg"
"file": "1hJaYfGE01.jpg",
"details": {
"width": 400,
"height": 400,
"content_type": "image/jpeg",
"created_at": [
2020,
345,
67376,
394363487
]
}
}
],
"msg": "ok"

95
src/main.rs
View file

@ -80,6 +80,28 @@ static PROCESS_SEMAPHORE: Lazy<Semaphore> = Lazy::new(|| {
.in_scope(|| Semaphore::new(num_cpus::get().saturating_sub(1).max(1)))
});
async fn ensure_details<R: FullRepo, S: Store + 'static>(
repo: &R,
store: &S,
alias: &Alias,
) -> Result<Details, Error> {
let identifier = repo.identifier_from_alias::<S::Identifier>(alias).await?;
let details = repo.details(&identifier).await?;
if let Some(details) = details {
debug!("details exist");
Ok(details)
} else {
debug!("generating new details from {:?}", identifier);
let hint = details_hint(alias);
let new_details = Details::from_store(store.clone(), identifier.clone(), hint).await?;
debug!("storing details for {:?}", identifier);
repo.relate_details(&identifier, &new_details).await?;
debug!("stored");
Ok(new_details)
}
}
/// Handle responding to succesful uploads
#[instrument(name = "Uploaded files", skip(value))]
async fn upload<R: FullRepo, S: Store + 'static>(
@ -104,22 +126,7 @@ async fn upload<R: FullRepo, S: Store + 'static>(
info!("Uploaded {} as {:?}", image.filename, alias);
let delete_token = image.result.delete_token().await?;
let identifier = repo.identifier_from_alias::<S::Identifier>(alias).await?;
let details = repo.details(&identifier).await?;
let details = if let Some(details) = details {
debug!("details exist");
details
} else {
debug!("generating new details from {:?}", identifier);
let hint = details_hint(alias);
let new_details =
Details::from_store((**store).clone(), identifier.clone(), hint).await?;
debug!("storing details for {:?}", identifier);
repo.relate_details(&identifier, &new_details).await?;
debug!("stored");
new_details
};
let details = ensure_details(&**repo, &**store, alias).await?;
files.push(serde_json::json!({
"file": alias.to_string(),
@ -188,8 +195,9 @@ struct ClaimQuery {
/// Claim a backgrounded upload
#[instrument(name = "Waiting on upload", skip(repo))]
async fn claim_upload<R: FullRepo>(
async fn claim_upload<R: FullRepo, S: Store + 'static>(
repo: web::Data<R>,
store: web::Data<S>,
query: web::Query<ClaimQuery>,
) -> Result<HttpResponse, Error> {
let upload_id = Serde::into_inner(query.into_inner().upload_id);
@ -201,11 +209,14 @@ async fn claim_upload<R: FullRepo>(
match upload_result {
UploadResult::Success { alias, token } => {
let details = ensure_details(&**repo, &**store, &alias).await?;
Ok(HttpResponse::Ok().json(&serde_json::json!({
"msg": "ok",
"files": [{
"file": alias.to_string(),
"delete_token": token.to_string(),
"details": details,
}]
})))
}
@ -269,18 +280,7 @@ async fn do_download_inline<R: FullRepo + 'static, S: Store + 'static>(
let alias = session.alias().expect("alias should exist").to_owned();
let delete_token = session.delete_token().await?;
let identifier = repo.identifier_from_alias::<S::Identifier>(&alias).await?;
let details = repo.details(&identifier).await?;
let details = if let Some(details) = details {
details
} else {
let hint = details_hint(&alias);
let new_details = Details::from_store((**store).clone(), identifier.clone(), hint).await?;
repo.relate_details(&identifier, &new_details).await?;
new_details
};
let details = ensure_details(&**repo, &**store, &alias).await?;
session.disarm();
@ -430,16 +430,7 @@ async fn process<R: FullRepo, S: Store + 'static>(
.await?;
if let Some(identifier) = identifier_opt {
let details_opt = repo.details(&identifier).await?;
let details = if let Some(details) = details_opt {
details
} else {
let hint = details_hint(&alias);
let details = Details::from_store((**store).clone(), identifier.clone(), hint).await?;
repo.relate_details(&identifier, &details).await?;
details
};
let details = ensure_details(&**repo, &**store, &alias).await?;
return ranged_file_resp(&**store, identifier, range, details).await;
}
@ -520,18 +511,7 @@ async fn details<R: FullRepo, S: Store + 'static>(
) -> Result<HttpResponse, Error> {
let alias = alias.into_inner();
let identifier = repo.identifier_from_alias::<S::Identifier>(&alias).await?;
let details = repo.details(&identifier).await?;
let details = if let Some(details) = details {
details
} else {
let hint = details_hint(&alias);
let new_details = Details::from_store((**store).clone(), identifier.clone(), hint).await?;
repo.relate_details(&identifier, &new_details).await?;
new_details
};
let details = ensure_details(&**repo, &**store, &alias).await?;
Ok(HttpResponse::Ok().json(&details))
}
@ -550,16 +530,7 @@ async fn serve<R: FullRepo, S: Store + 'static>(
let identifier = repo.identifier_from_alias::<S::Identifier>(&alias).await?;
let details = repo.details(&identifier).await?;
let details = if let Some(details) = details {
details
} else {
let hint = details_hint(&alias);
let details = Details::from_store((**store).clone(), identifier.clone(), hint).await?;
repo.relate_details(&identifier, &details).await?;
details
};
let details = ensure_details(&**repo, &**store, &alias).await?;
ranged_file_resp(&**store, identifier, range, details).await
}
@ -842,7 +813,7 @@ async fn launch<R: FullRepo + Clone + 'static, S: Store + Clone + 'static>(
.route(web::post().to(upload_backgrounded::<R, S>)),
)
.service(
web::resource("/claim").route(web::get().to(claim_upload::<R>)),
web::resource("/claim").route(web::get().to(claim_upload::<R, S>)),
),
)
.service(web::resource("/download").route(web::get().to(download::<R, S>)))