Format and fix clippy warnings

src/crawler/mod.rs

@@ -1,8 +1,8 @@
 use std::include_str;
 
 use lazy_static::lazy_static;
-use serde::Deserialize;
 use regex::Regex;
+use serde::Deserialize;
 
 const RAW_CRAWLER_DATA: &str = include_str!("crawler-user-agents.json");
 
@@ -17,14 +17,17 @@ struct Crawler {
 }
 
 lazy_static! {
-    static ref CRAWLERS: Vec<Crawler> = serde_json::from_str::<Vec<CrawlerData>>(&RAW_CRAWLER_DATA).unwrap().into_iter().map(|crawler| Crawler {
-        pattern: Regex::new(&crawler.pattern).unwrap(),
-    }).collect();
+    static ref CRAWLERS: Vec<Crawler> = serde_json::from_str::<Vec<CrawlerData>>(RAW_CRAWLER_DATA)
+        .unwrap()
+        .into_iter()
+        .map(|crawler| Crawler {
+            pattern: Regex::new(&crawler.pattern).unwrap(),
+        })
+        .collect();
 }
 
 pub fn is_crawler(user_agent: &str) -> bool {
-    CRAWLERS.iter().any(|crawler| {
-        crawler.pattern.is_match(user_agent)
-    })
+    CRAWLERS
+        .iter()
+        .any(|crawler| crawler.pattern.is_match(user_agent))
 }
-

src/dao/mod.rs

@@ -1,7 +1,4 @@
-use std::iter;
-
 use poem_openapi::Object;
-use rand::Rng;
 use sqlx::prelude::FromRow;
 
 #[derive(thiserror::Error, Debug)]
@@ -34,8 +31,7 @@ pub struct Link {
     pub image_url: String,
 }
 
-const LINKS_SELECT_FIELDS: &str =
-    "id, link_path, title, description, image_url";
+const LINKS_SELECT_FIELDS: &str = "id, link_path, title, description, image_url";
 
 pub async fn create_link(
     pool: &sqlx::Pool<sqlx::Postgres>,
@@ -101,10 +97,12 @@ pub async fn get_link(
 ) -> Result<Option<Link>, Error> {
     tracing::info!("Getting link by id link_id={link_id}");
 
-    let result = sqlx::query_as::<_, Link>(&format!("SELECT {LINKS_SELECT_FIELDS} FROM links WHERE id = $1"))
-        .bind(link_id)
-        .fetch_optional(pool)
-        .await;
+    let result = sqlx::query_as::<_, Link>(&format!(
+        "SELECT {LINKS_SELECT_FIELDS} FROM links WHERE id = $1"
+    ))
+    .bind(link_id)
+    .fetch_optional(pool)
+    .await;
 
     result.map_err(|err| {
         tracing::error!("Error whilst fetching link link_id={link_id} err={err}");
@@ -118,10 +116,12 @@ pub async fn get_link_by_link_path(
 ) -> Result<Option<Link>, Error> {
     tracing::info!("Getting link by url path link_path={link_path}");
 
-    let result = sqlx::query_as::<_, Link>(&format!("SELECT {LINKS_SELECT_FIELDS} FROM links WHERE link_path = $1"))
-        .bind(link_path)
-        .fetch_optional(pool)
-        .await;
+    let result = sqlx::query_as::<_, Link>(&format!(
+        "SELECT {LINKS_SELECT_FIELDS} FROM links WHERE link_path = $1"
+    ))
+    .bind(link_path)
+    .fetch_optional(pool)
+    .await;
 
     result.map_err(|err| {
         tracing::error!("Error whilst creating link err={err}");

src/link_router/mod.rs

@@ -1,11 +1,11 @@
-use std::env;
-
+use askama::Template;
 use poem::{
-    get, handler, http::StatusCode, web::{Data, Html, Path, Redirect}, EndpointExt, FromRequest, IntoResponse, Request, RequestBody, Response, Result, Route
+    get, handler,
+    http::StatusCode,
+    web::{Data, Html, Path, Redirect},
+    FromRequest, IntoResponse, Request, RequestBody, Response, Result, Route,
 };
 use regex::Regex;
-use askama::Template;
-use url::Url;
 
 use crate::{crawler::is_crawler, dao, AppContext, FallbackData};
 
@@ -20,7 +20,7 @@ enum Platform {
 #[derive(Debug)]
 enum RequestActor {
     Crawler,
-    User(Platform)
+    User(Platform),
 }
 
 #[derive(Template)]
@@ -50,7 +50,7 @@ fn get_platform_from_user_agent(user_agent: &str) -> Platform {
     {
         return Platform::Web;
     }
-    return Platform::Unknown;
+    Platform::Unknown
 }
 
 impl<'a> FromRequest<'a> for RequestActor {
@@ -60,13 +60,11 @@ impl<'a> FromRequest<'a> for RequestActor {
             .get("User-Agent")
             .and_then(|value| value.to_str().ok());
 
-        Ok(
-            match user_agent_header {
-                None => RequestActor::User(Platform::Unknown),
-                Some(header_value) if is_crawler(header_value) => RequestActor::Crawler,
-                Some(header_value) => RequestActor::User(get_platform_from_user_agent(header_value)),
-            }
-        )
+        Ok(match user_agent_header {
+            None => RequestActor::User(Platform::Unknown),
+            Some(header_value) if is_crawler(header_value) => RequestActor::Crawler,
+            Some(header_value) => RequestActor::User(get_platform_from_user_agent(header_value)),
+        })
     }
 }
 
@@ -80,38 +78,33 @@ async fn link_handler(
     tracing::info!("Handling link link_path={link_path} request_actor={request_actor:?}");
 
     match dao::get_link_by_link_path(&app_context.pool, &link_path).await {
-        Ok(Some(link)) => {
-            match request_actor {
-                RequestActor::Crawler => {
-                    let response = CrawlerResponseTemplate {
-                        og_title: link.title,
-                        og_description: link.description,
-                        og_url: link.link_path,
-                        og_image_url: link.image_url,
-                        og_type: "website".to_string(),
-                    };
-                    Html(response.render().unwrap()).into_response()
-                },
-                RequestActor::User(platform) => {
-                    Redirect::temporary(match platform {
-                        Platform::Android => &fallback_data.android_fallback,
-                        Platform::Ios => &fallback_data.ios_fallback,
-                        Platform::Web | Platform::Unknown => &fallback_data.web_fallback,
-                    }).into_response()
-                }
+        Ok(Some(link)) => match request_actor {
+            RequestActor::Crawler => {
+                let response = CrawlerResponseTemplate {
+                    og_title: link.title,
+                    og_description: link.description,
+                    og_url: link.link_path,
+                    og_image_url: link.image_url,
+                    og_type: "website".to_string(),
+                };
+                Html(response.render().unwrap()).into_response()
             }
-
-        }
+            RequestActor::User(platform) => Redirect::temporary(match platform {
+                Platform::Android => &fallback_data.android_fallback,
+                Platform::Ios => &fallback_data.ios_fallback,
+                Platform::Web | Platform::Unknown => &fallback_data.web_fallback,
+            })
+            .into_response(),
+        },
         Ok(None) => Response::builder()
             .status(StatusCode::NOT_FOUND)
-            .body(format!("Link not found")),
+            .body("Link not found".to_string()),
         Err(_) => Response::builder()
             .status(StatusCode::INTERNAL_SERVER_ERROR)
-            .body(format!("Unknown error")),
+            .body("Unknown error".to_string()),
     }
 }
 
 pub fn create_link_router_service() -> Route {
-    Route::new()
-        .at("/*path", get(link_handler))
+    Route::new().at("/*path", get(link_handler))
 }

src/main.rs

@@ -12,7 +12,6 @@ use tracing::info;
 use url::Url;
 
 use sqlx::Postgres;
-use tracing_subscriber;
 
 #[derive(Clone)]
 struct AppContext {
@@ -29,8 +28,8 @@ struct FallbackData {
 }
 
 fn get_fallback_from_env(env_name: &str) -> Url {
-    let env_value = env::var(env_name).expect(&format!("{env_name} must be defined"));
-    Url::parse(&env_value).expect(&format!("{env_name} must be a valid url"))
+    let env_value = env::var(env_name).unwrap_or_else(|_| panic!("{env_name} must be defined"));
+    Url::parse(&env_value).unwrap_or_else(|_| panic!("{env_name} must be a valid url"))
 }
 
 #[tokio::main]
@@ -57,7 +56,11 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let app = Route::new()
         .nest("/api", create_management_service(&base_url))
         .nest("/", create_link_router_service())
-        .data(AppContext { pool, base_url, api_key })
+        .data(AppContext {
+            pool,
+            base_url,
+            api_key,
+        })
         .data(FallbackData {
             web_fallback: get_fallback_from_env("WEB_FALLBACK_URL"),
             android_fallback: get_fallback_from_env("ANDROID_FALLBACK_URL"),

src/management/mod.rs

@@ -5,7 +5,10 @@ use poem_openapi::{
 };
 use url::Url;
 
-use crate::{dao::{self, update_link, LinkData}, AppContext};
+use crate::{
+    dao::{self, update_link, LinkData},
+    AppContext,
+};
 
 pub struct ManagementApi;
 
@@ -32,7 +35,7 @@ impl dao::Link {
         }
     }
 
-    fn to_json(self, base_url: &Url) -> Json<Link> {
+    fn into_json(self, base_url: &Url) -> Json<Link> {
         Json(self.serialize(base_url))
     }
 }
@@ -76,15 +79,12 @@ enum UpdateLinkResponse {
 )]
 struct ApiKeyAuth(());
 
-async fn api_key_checker(
-    request: &Request,
-    api_key: ApiKey,
-) -> Option<()> {
+async fn api_key_checker(request: &Request, api_key: ApiKey) -> Option<()> {
     let app_context: &AppContext = request.data().unwrap();
     if api_key.key == app_context.api_key {
         return Some(());
     }
-    return None;
+    None
 }
 
 impl From<dao::Error> for poem::Error {
@@ -103,7 +103,10 @@ impl ManagementApi {
         _auth: ApiKeyAuth,
     ) -> Result<ListLinksResponse> {
         let links = dao::list_links(&app_context.pool).await?;
-        let links: Vec<Link> = links.into_iter().map(|item| item.serialize(&app_context.base_url)).collect();
+        let links: Vec<Link> = links
+            .into_iter()
+            .map(|item| item.serialize(&app_context.base_url))
+            .collect();
         Ok(ListLinksResponse::Ok(Json(links)))
     }
 
@@ -116,7 +119,7 @@ impl ManagementApi {
         _auth: ApiKeyAuth,
     ) -> Result<GetLinkResponse> {
         Ok(match dao::get_link(&app_context.pool, &link_id).await? {
-            Some(link) => GetLinkResponse::Ok(link.to_json(&app_context.base_url)),
+            Some(link) => GetLinkResponse::Ok(link.into_json(&app_context.base_url)),
             None => GetLinkResponse::NotFound,
         })
     }
@@ -131,7 +134,7 @@ impl ManagementApi {
     ) -> Result<CreateLinkResponse> {
         let link = dao::create_link(&app_context.pool, input).await?;
 
-        Ok(CreateLinkResponse::Ok(link.to_json(&app_context.base_url)))
+        Ok(CreateLinkResponse::Ok(link.into_json(&app_context.base_url)))
     }
 
     /// Update an existing polylink
@@ -143,22 +146,30 @@ impl ManagementApi {
         Data(app_context): Data<&AppContext>,
         _auth: ApiKeyAuth,
     ) -> Result<UpdateLinkResponse> {
-        Ok(match update_link(&app_context.pool, &link_id, input).await? {
-            Some(link) => UpdateLinkResponse::Ok(link.to_json(&app_context.base_url)),
-            None => UpdateLinkResponse::NotFound,
-        })
+        Ok(
+            match update_link(&app_context.pool, &link_id, input).await? {
+                Some(link) => UpdateLinkResponse::Ok(link.into_json(&app_context.base_url)),
+                None => UpdateLinkResponse::NotFound,
+            },
+        )
     }
 }
 
 pub fn create_management_service(base_url: &Url) -> Route {
     let api_service = OpenApiService::new(ManagementApi, "PolyLink Management API", "0.0.1")
-        .server(base_url.join("/api").expect("Cannot join base url with api").to_string());
+        .server(
+            base_url
+                .join("/api")
+                .expect("Cannot join base url with api")
+                .to_string(),
+        );
 
     let ui = api_service.swagger_ui();
     let json_spec_endpoint = api_service.spec_endpoint();
     let yaml_spec_endpoint = api_service.spec_endpoint_yaml();
 
-    Route::new().nest("/", api_service)
+    Route::new()
+        .nest("/", api_service)
         .nest("/docs", ui)
         .nest("/docs/spec.json", json_spec_endpoint)
         .nest("/docs/spec.yaml", yaml_spec_endpoint)