From cd9f750990166dfa9b9fc0276749be307e26d008 Mon Sep 17 00:00:00 2001
From: "Carpenter, Adam (CORP)" <adam.carpenter@adp.com>
Date: Tue, 30 Nov 2021 15:22:37 -0500
Subject: refactor: module structure and comments

---
 .../src/routes/extensions/simple_search/mod.rs     | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 angelsharkd/src/routes/extensions/simple_search/mod.rs

(limited to 'angelsharkd/src/routes/extensions/simple_search/mod.rs')

diff --git a/angelsharkd/src/routes/extensions/simple_search/mod.rs b/angelsharkd/src/routes/extensions/simple_search/mod.rs
new file mode 100644
index 0000000..5b5dc8e
--- /dev/null
+++ b/angelsharkd/src/routes/extensions/simple_search/mod.rs
@@ -0,0 +1,66 @@
+use log::{error, info};
+use std::convert::Infallible;
+pub use types::Haystack;
+use types::*;
+use warp::{
+    body::{content_length_limit, json},
+    get,
+    hyper::{header, StatusCode},
+    path, post,
+    reply::{self, with},
+    Filter, Rejection, Reply,
+};
+
+mod types;
+
+/// Returns a warp filter to handle HTTP POSTs for searching the haystack.
+pub fn search_filter(
+    haystack: Haystack,
+) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    path("search")
+        .and(post())
+        .and(content_length_limit(1024 * 16))
+        .and(json())
+        .and_then(move |terms: Needles| search(haystack.to_owned(), terms))
+        .with(with::header(header::PRAGMA, "no-cache"))
+        .with(with::header(header::CACHE_CONTROL, "no-store, max-age=0"))
+        .with(with::header(header::X_FRAME_OPTIONS, "DENY"))
+}
+
+/// Returns a warp filter to handle HTTP GETs for refreshing the haystack.
+pub fn refresh_filter(
+    haystack: Haystack,
+) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    path!("search" / "refresh")
+        .and(get())
+        .and_then(move || refresh(haystack.to_owned()))
+}
+
+/// Runs the search request to find all needles in the haystack and converts the
+/// results into a reply.
+async fn search(haystack: Haystack, needles: Needles) -> Result<impl Reply, Infallible> {
+    // Ok(haystack.search(Vec::new())?)
+    // if let Ok(matches = haystack.search(needle);
+    match haystack.search(needles) {
+        Ok(matches) => Ok(reply::with_status(reply::json(&matches), StatusCode::OK)),
+        Err(e) => Ok(reply::with_status(
+            reply::json(&e.to_string()),
+            StatusCode::INTERNAL_SERVER_ERROR,
+        )),
+    }
+}
+
+/// Immediately returns. Spawns an asynchronous task to complete the haystack
+/// refresh in the background.
+async fn refresh(haystack: Haystack) -> Result<impl Reply, Infallible> {
+    // Run refresh as a background task and immediately return.
+    tokio::spawn(async move {
+        if let Err(e) = haystack.refresh() {
+            error!("{}", e.to_string()); // TODO: use logger
+        } else {
+            info!("Search haystack refreshed.");
+        }
+    });
+
+    Ok("Refresh scheduled")
+}
-- 
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