Fix typos

Author: gruberb

ch_09/handle-errors/src/lib.rs

@@ -55,6 +55,8 @@ impl std::fmt::Display for Error {
     }
 }
 
+const DUPLICATE_KEY: u32 = 23505;
+
 impl Reject for Error {}
 impl Reject for APILayerError {}
 
@@ -65,7 +67,7 @@ pub async fn return_error(r: Rejection) -> Result<impl Reply, Rejection> {
 
         match e {
             sqlx::Error::Database(err) => {
-                if err.code().unwrap().parse::<i32>().unwrap() == 23505 {
+                if err.code().unwrap().parse::<u32>().unwrap() == DUPLICATE_KEY {
                     Ok(warp::reply::with_status(
                         "Account already exsists".to_string(),
                         StatusCode::UNPROCESSABLE_ENTITY,

ch_10/handle-errors/src/lib.rs

@@ -60,14 +60,16 @@ impl std::fmt::Display for Error {
 impl Reject for Error {}
 impl Reject for APILayerError {}
 
+const DUPLICATE_KEY: u32 = 23505;
+
 #[instrument]
 pub async fn return_error(r: Rejection) -> Result<impl Reply, Rejection> {
     if let Some(crate::Error::DatabaseQueryError(e)) = r.find() {
         event!(Level::ERROR, "Database query error");
 
         match e {
             sqlx::Error::Database(err) => {
-                if err.code().unwrap().parse::<i32>().unwrap() == 23505 {
+                if err.code().unwrap().parse::<u32>().unwrap() == DUPLICATE_KEY {
                     Ok(warp::reply::with_status(
                         "Account already exsists".to_string(),
                         StatusCode::UNPROCESSABLE_ENTITY,

ch_11/handle-errors/src/lib.rs

@@ -60,14 +60,16 @@ impl std::fmt::Display for Error {
 impl Reject for Error {}
 impl Reject for APILayerError {}
 
+const DUPLICATE_KEY: u32 = 23505;
+
 #[instrument]
 pub async fn return_error(r: Rejection) -> Result<impl Reply, Rejection> {
     if let Some(crate::Error::DatabaseQueryError(e)) = r.find() {
         event!(Level::ERROR, "Database query error");
 
         match e {
             sqlx::Error::Database(err) => {
-                if err.code().unwrap().parse::<i32>().unwrap() == 23505 {
+                if err.code().unwrap().parse::<u32>().unwrap() == DUPLICATE_KEY {
                     Ok(warp::reply::with_status(
                         "Account already exsists".to_string(),
                         StatusCode::UNPROCESSABLE_ENTITY,

ch_11/src/types/pagination.rs

@@ -72,7 +72,7 @@ mod pagination_tests {
     }
 
     #[test]
-    fn missing_offset_paramater() {
+    fn missing_offset_parameter() {
         let mut params = HashMap::new();
         params.insert(String::from("limit"), String::from("1"));