🧹 chore: make clippy happy (#244)

src/cache/cacher.rs

@@ -10,7 +10,7 @@ use tokio::sync::Mutex;
 
 use crate::{config::parser::Config, models::aggregation_models::SearchResults};
 
-use super::error::PoolError;
+use super::error::CacheError;
 #[cfg(feature = "redis-cache")]
 use super::redis_cacher::RedisCache;
 
@@ -42,25 +42,27 @@ impl Cache {
     /// It returns a newly initialized variant based on the feature enabled by the user.
     pub async fn build(_config: &Config) -> Self {
         #[cfg(all(feature = "redis-cache", feature = "memory-cache"))]
+        {
             log::info!("Using a hybrid cache");
-        #[cfg(all(feature = "redis-cache", feature = "memory-cache"))]
+            Cache::new_hybrid(
-        return Cache::new_hybrid(
                 RedisCache::new(&_config.redis_url, 5)
                     .await
                     .expect("Redis cache configured"),
-        );
+            )
+        }
         #[cfg(all(feature = "redis-cache", not(feature = "memory-cache")))]
+        {
             log::info!("Listening redis server on {}", &_config.redis_url);
-        #[cfg(all(feature = "redis-cache", not(feature = "memory-cache")))]
+            Cache::new(
-        return Cache::new(
                 RedisCache::new(&_config.redis_url, 5)
                     .await
                     .expect("Redis cache configured"),
-        );
+            )
+        }
         #[cfg(all(feature = "memory-cache", not(feature = "redis-cache")))]
         {
             log::info!("Using an in-memory cache");
-            return Cache::new_in_memory();
+            Cache::new_in_memory()
         }
         #[cfg(not(any(feature = "memory-cache", feature = "redis-cache")))]
         {
@@ -131,27 +133,27 @@ impl Cache {
     ///
     /// Returns the `SearchResults` from the cache if the program executes normally otherwise
     /// returns a `CacheError` if the results cannot be retrieved from the cache.
-    pub async fn cached_json(&mut self, _url: &str) -> Result<SearchResults, Report<PoolError>> {
+    pub async fn cached_json(&mut self, _url: &str) -> Result<SearchResults, Report<CacheError>> {
         match self {
-            Cache::Disabled => Err(Report::new(PoolError::MissingValue)),
+            Cache::Disabled => Err(Report::new(CacheError::MissingValue)),
             #[cfg(all(feature = "redis-cache", not(feature = "memory-cache")))]
             Cache::Redis(redis_cache) => {
                 let json = redis_cache.cached_json(_url).await?;
                 Ok(serde_json::from_str::<SearchResults>(&json)
-                    .map_err(|_| PoolError::SerializationError)?)
+                    .map_err(|_| CacheError::SerializationError)?)
             }
             #[cfg(all(feature = "memory-cache", not(feature = "redis-cache")))]
             Cache::InMemory(in_memory) => match in_memory.get(&_url.to_string()) {
                 Some(res) => Ok(res),
-                None => Err(Report::new(PoolError::MissingValue)),
+                None => Err(Report::new(CacheError::MissingValue)),
             },
             #[cfg(all(feature = "redis-cache", feature = "memory-cache"))]
             Cache::Hybrid(redis_cache, in_memory) => match redis_cache.cached_json(_url).await {
                 Ok(res) => Ok(serde_json::from_str::<SearchResults>(&res)
-                    .map_err(|_| PoolError::SerializationError)?),
+                    .map_err(|_| CacheError::SerializationError)?),
                 Err(_) => match in_memory.get(&_url.to_string()) {
                     Some(res) => Ok(res),
-                    None => Err(Report::new(PoolError::MissingValue)),
+                    None => Err(Report::new(CacheError::MissingValue)),
                 },
             },
         }
@@ -174,13 +176,13 @@ impl Cache {
         &mut self,
         _search_results: &SearchResults,
         _url: &str,
-    ) -> Result<(), Report<PoolError>> {
+    ) -> Result<(), Report<CacheError>> {
         match self {
             Cache::Disabled => Ok(()),
             #[cfg(all(feature = "redis-cache", not(feature = "memory-cache")))]
             Cache::Redis(redis_cache) => {
                 let json = serde_json::to_string(_search_results)
-                    .map_err(|_| PoolError::SerializationError)?;
+                    .map_err(|_| CacheError::SerializationError)?;
                 redis_cache.cache_results(&json, _url).await
             }
             #[cfg(all(feature = "memory-cache", not(feature = "redis-cache")))]
@@ -191,7 +193,7 @@ impl Cache {
             #[cfg(all(feature = "memory-cache", feature = "redis-cache"))]
             Cache::Hybrid(redis_cache, cache) => {
                 let json = serde_json::to_string(_search_results)
-                    .map_err(|_| PoolError::SerializationError)?;
+                    .map_err(|_| CacheError::SerializationError)?;
                 match redis_cache.cache_results(&json, _url).await {
                     Ok(_) => Ok(()),
                     Err(_) => {
@@ -235,7 +237,7 @@ impl SharedCache {
     ///
     /// Returns a `SearchResults` struct containing the search results from the cache if nothing
     /// goes wrong otherwise returns a `CacheError`.
-    pub async fn cached_json(&self, url: &str) -> Result<SearchResults, Report<PoolError>> {
+    pub async fn cached_json(&self, url: &str) -> Result<SearchResults, Report<CacheError>> {
         let mut mut_cache = self.cache.lock().await;
         mut_cache.cached_json(url).await
     }
@@ -258,7 +260,7 @@ impl SharedCache {
         &self,
         search_results: &SearchResults,
         url: &str,
-    ) -> Result<(), Report<PoolError>> {
+    ) -> Result<(), Report<CacheError>> {
         let mut mut_cache = self.cache.lock().await;
         mut_cache.cache_results(search_results, url).await
     }

src/cache/error.rs

@@ -7,7 +7,7 @@ use redis::RedisError;
 
 /// A custom error type used for handling redis async pool associated errors.
 #[derive(Debug)]
-pub enum PoolError {
+pub enum CacheError {
     /// This variant handles all errors related to `RedisError`,
     #[cfg(feature = "redis-cache")]
     RedisError(RedisError),
@@ -20,31 +20,31 @@ pub enum PoolError {
     MissingValue,
 }
 
-impl fmt::Display for PoolError {
+impl fmt::Display for CacheError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             #[cfg(feature = "redis-cache")]
-            PoolError::RedisError(redis_error) => {
+            CacheError::RedisError(redis_error) => {
                 if let Some(detail) = redis_error.detail() {
                     write!(f, "{}", detail)
                 } else {
                     write!(f, "")
                 }
             }
-            PoolError::PoolExhaustionWithConnectionDropError => {
+            CacheError::PoolExhaustionWithConnectionDropError => {
                 write!(
                     f,
                     "Error all connections from the pool dropped with connection error"
                 )
             }
-            PoolError::MissingValue => {
+            CacheError::MissingValue => {
                 write!(f, "The value is missing from the cache")
             }
-            PoolError::SerializationError => {
+            CacheError::SerializationError => {
                 write!(f, "Unable to serialize, deserialize from the cache")
             }
         }
     }
 }
 
-impl error_stack::Context for PoolError {}
+impl error_stack::Context for CacheError {}

src/cache/redis_cacher.rs

@@ -6,7 +6,7 @@ use futures::future::try_join_all;
 use md5::compute;
 use redis::{aio::ConnectionManager, AsyncCommands, Client, RedisError};
 
-use super::error::PoolError;
+use super::error::CacheError;
 
 /// A named struct which stores the redis Connection url address to which the client will
 /// connect to.
@@ -72,7 +72,7 @@ impl RedisCache {
     ///
     /// Returns the results as a String from the cache on success otherwise returns a `CacheError`
     /// on a failure.
-    pub async fn cached_json(&mut self, url: &str) -> Result<String, Report<PoolError>> {
+    pub async fn cached_json(&mut self, url: &str) -> Result<String, Report<CacheError>> {
         self.current_connection = Default::default();
         let hashed_url_string: &str = &self.hash_url(url);
 
@@ -95,7 +95,7 @@ impl RedisCache {
                         self.current_connection += 1;
                         if self.current_connection == self.pool_size {
                             return Err(Report::new(
-                                PoolError::PoolExhaustionWithConnectionDropError,
+                                CacheError::PoolExhaustionWithConnectionDropError,
                             ));
                         }
                         result = self.connection_pool[self.current_connection as usize]
@@ -103,7 +103,7 @@ impl RedisCache {
                             .await;
                         continue;
                     }
-                    false => return Err(Report::new(PoolError::RedisError(error))),
+                    false => return Err(Report::new(CacheError::RedisError(error))),
                 },
                 Ok(res) => return Ok(res),
             }
@@ -127,7 +127,7 @@ impl RedisCache {
         &mut self,
         json_results: &str,
         url: &str,
-    ) -> Result<(), Report<PoolError>> {
+    ) -> Result<(), Report<CacheError>> {
         self.current_connection = Default::default();
         let hashed_url_string: &str = &self.hash_url(url);
 
@@ -150,7 +150,7 @@ impl RedisCache {
                         self.current_connection += 1;
                         if self.current_connection == self.pool_size {
                             return Err(Report::new(
-                                PoolError::PoolExhaustionWithConnectionDropError,
+                                CacheError::PoolExhaustionWithConnectionDropError,
                             ));
                         }
                         result = self.connection_pool[self.current_connection as usize]
@@ -158,7 +158,7 @@ impl RedisCache {
                             .await;
                         continue;
                     }
-                    false => return Err(Report::new(PoolError::RedisError(error))),
+                    false => return Err(Report::new(CacheError::RedisError(error))),
                 },
                 Ok(_) => return Ok(()),
             }

tests/index.rs

@@ -12,6 +12,7 @@ fn spawn_app() -> String {
     let server = run(
         listener,
         config,
+        #[cfg(all(feature = "memory-cache", not(feature = "redis-cache")))]
         websurfx::cache::cacher::Cache::new_in_memory(),
     )
     .expect("Failed to bind address");