From c26070ef2d25eb8192843aa417f2ebe3eb008aba Mon Sep 17 00:00:00 2001
From: Melonai <einebeere@gmail.com>
Date: Thu, 14 Jan 2021 22:52:36 +0100
Subject: Refactor server

---
 server/src/routes.rs | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 server/src/routes.rs

(limited to 'server/src/routes.rs')

diff --git a/server/src/routes.rs b/server/src/routes.rs
new file mode 100644
index 0000000..0055b92
--- /dev/null
+++ b/server/src/routes.rs
@@ -0,0 +1,64 @@
+use crate::database::{add_link_to_database_safely, get_link_from_database, PoolState};
+use crate::messages::{ErrorResponse, ShortenRequest, ShortenResponse};
+use crate::parsing::{get_hash_from_string, make_url};
+use actix_files::NamedFile;
+use actix_web::web::{Data, Json, Path};
+use actix_web::{web, Responder};
+use actix_web::{HttpRequest, HttpResponse};
+
+pub async fn root(req: HttpRequest) -> impl Responder {
+    NamedFile::open("./client/index.html")
+        .unwrap()
+        .into_response(&req)
+        .unwrap()
+}
+
+pub async fn shorten(params: Json<ShortenRequest>, state: Data<PoolState>) -> HttpResponse {
+    let user_url = match make_url(&params.url) {
+        Ok(url) => url,
+        Err(_) => {
+            return HttpResponse::BadRequest().json(ErrorResponse::new(
+                "The URL you entered does not follow the proper URL format.",
+            ))
+        }
+    };
+
+    let connection = state.get().expect("Could not get a connection from pool");
+
+    // Generate the initial hash, this is almost always the same as the inserted hash, but not on collisions.
+    let initial_hash = get_hash_from_string(&user_url);
+
+    // Insert the URL
+    let hash =
+        match web::block(move || add_link_to_database_safely(initial_hash, &user_url, &connection))
+            .await
+        {
+            Ok(hash) => hash,
+            Err(e) => {
+                error!("Error occurred on adding new link: {:?}", e);
+                return HttpResponse::InternalServerError().finish();
+            }
+        };
+
+    HttpResponse::Ok().json(ShortenResponse { hash })
+}
+
+pub async fn redirect(info: Path<String>, state: Data<PoolState>) -> impl Responder {
+    let connection = state.get().expect("Could not get a connection from pool");
+    let url_result = web::block(move || get_link_from_database(&info, &connection)).await;
+
+    match url_result {
+        Ok(found_url) => match found_url {
+            Some(url) => HttpResponse::TemporaryRedirect()
+                .header("Location", url)
+                .finish(),
+            None => HttpResponse::TemporaryRedirect()
+                .header("Location", "/")
+                .finish(),
+        },
+        Err(e) => {
+            error!("Error when getting link: {:?}", e);
+            HttpResponse::InternalServerError().finish()
+        }
+    }
+}
-- 
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