Feature/delete snack

src/catchers/mod.rs

@@ -23,4 +23,20 @@ pub fn not_found(req: &Request) -> Json<ErrorResponse> {
         status: 404,
         message: "Page not found".to_string(),
     })
+}
+
+#[catch(500)]
+pub fn internal_server_error(req: &Request) -> Json<ErrorResponse> {
+    Json(ErrorResponse {
+        status: 500,
+        message: "Internal Server Error".to_string(),
+    })
+}
+
+#[catch(204)]
+pub fn no_content(req: &Request) -> Json<ErrorResponse> {
+    Json(ErrorResponse {
+        status: 204,
+        message: "No Content".to_string(),
+    })
 }

src/main.rs

@@ -8,7 +8,7 @@ mod catchers;
 mod db;
 mod schema;
 
-use crate::routes::snack::{create_snack, list_snacks, update_snack};
+use crate::routes::snack::{create_snack, delete_snack, list_snacks, update_snack};
 use dotenv::dotenv;
 use rocket::*;
 
@@ -28,6 +28,7 @@ fn index() -> &'static str {
 fn rocket() -> _ {
     dotenv().ok();
 
-    rocket::build().mount("/", routes![index, create_snack, list_snacks, update_snack]).register("/", catchers![catchers::unauthorized, catchers::not_found])
+    rocket::build().mount("/", routes![index, create_snack, list_snacks, update_snack, delete_snack]).register("/", catchers![catchers::unauthorized, catchers::not_found,
+    catchers::no_content, catchers::internal_server_error])
 }
 

src/routes/snack.rs

@@ -67,4 +67,21 @@ pub fn update_snack(
             }
         })
 }
+#[delete("/snack/<snack_id>")]
+pub fn delete_snack(_api_key: ApiKey, snack_id: i32) -> Status {
+    let mut conn = db::establish_connection();
 
+    match diesel::delete(snacks.find(snack_id)).execute(&mut conn) {
+        Ok(count) => {
+            if count > 0 {
+                Status::NoContent
+            } else {
+                Status::NotFound
+            }
+        }
+        Err(err) => {
+            println!("Database error: {:?}", err);
+            Status::InternalServerError
+        }
+    }
+}