类型改为Result

src/api/create_pokemon.rs

@@ -6,7 +6,9 @@ use crate::repo::pokemon::Repository;
 
 #[derive(Serialize)]
 struct Response{
-    message: String,
+    number: u16,
+    name: String,
+    types: Vec<String>,
 }
 #[derive(Deserialize)]
 struct Request {
@@ -24,10 +26,19 @@ pub fn serve(repo: Arc<dyn Repository>, req: &rouille::Request) -> rouille::Resp
         },
         _ => return rouille::Response::from(Status::BadRequest),
     };
+    // rouille::Response::from(Status::InternalServerError)
     match create_pokemon::execute(repo, req) {
-        create_pokemon::Response::Ok(number) => rouille::Response::json(&Response{message: number.to_string()}),
-        create_pokemon::Response::BadRequest => rouille::Response::from(Status::BadRequest),
-        create_pokemon::Response::Conflict => rouille::Response::from(Status::Conflict),
-        create_pokemon::Response::Error => rouille::Response::from(Status::InternalServerError),
+        Ok(create_pokemon::Response {
+            number,
+            name,
+            types,
+           }) => rouille::Response::json(&Response{
+            number,
+            name,
+            types,
+        }),
+        Err(create_pokemon::Error::BadRequest) => rouille::Response::from(Status::BadRequest),
+        Err(create_pokemon::Error::Conflict) => rouille::Response::from(Status::Conflict),
+        Err(create_pokemon::Error::Unknown) => rouille::Response::from(Status::InternalServerError),
     }
 }

src/domain/create_pokemon.rs

@@ -1,6 +1,6 @@
 use std::sync::Arc;
-use crate::domain::entity::{PokemonName, PokemonNumber, PokemonTypes};
-use crate::repo::pokemon::{Insert, Repository};
+use crate::domain::entity::{Pokemon, PokemonName, PokemonNumber, PokemonTypes};
+use crate::repo::pokemon::{InsertError, Repository};
 
 pub struct Request {
     pub(crate) number: u16,
@@ -8,14 +8,19 @@ pub struct Request {
     pub(crate) types: Vec<String>,
 }
 
-pub enum Response {
-    Ok(u16),
+pub enum Error {
     BadRequest,
     Conflict,
-    Error,
+    Unknown,
 }
 
-pub fn execute(repo: Arc<dyn Repository>, req: Request) -> Response {
+pub struct Response {
+    pub number: u16,
+    pub name: String,
+    pub types: Vec<String>,
+}
+
+pub fn execute(repo: Arc<dyn Repository>, req: Request) -> Result<Response, Error> {
     println!("execute");
     match (
         PokemonNumber::try_from(req.number),
@@ -23,11 +28,19 @@ pub fn execute(repo: Arc<dyn Repository>, req: Request) -> Response {
         PokemonTypes::try_from(req.types)
         ) {
         (Ok(number), Ok(name), Ok(types)) => match repo.insert(number, name, types){
-            Insert::Ok(num) => Response::Ok(u16::from(num)),
-            Insert::Conflict => Response::Conflict,
-            Insert::Error => Response::Error,
+            Ok(Pokemon {
+                number,
+                name,
+                types,
+               }) => Ok(Response{
+                number: u16::from(number),
+                name: String::from(name),
+                types: Vec::<String>::from(types),
+            }),
+            Err(InsertError::Conflict) => Err(Error::Conflict),
+            Err(InsertError::Error) => Err(Error::Unknown),
         },
-        _ => Response::BadRequest,
+        _ => Err(Error::BadRequest),
     }
 }
 
@@ -37,7 +50,7 @@ mod tests {
     use super::*;
 
     #[test]
-    fn it_should_return_the_pokemon_number_otherwise() {
+    fn it_should_return_an_unknown_error_when_an_unexpected_error_happens(){
         let mut repo = Arc::new(InMemoryRepository::new());
         let number = 25;
         let req = Request {
@@ -47,7 +60,27 @@ mod tests {
         };
         let res = execute(repo, req);
         match res {
-            Response::Ok(num) => assert_eq!(num, number),
+            Err(Error::Unknown) => {},
+            _ => unreachable!(),
+        }
+    }
+
+    #[test]
+    fn it_should_return_the_pokemon_number_otherwise() {
+        let repo = Arc::new(InMemoryRepository::new());
+        let num = 25;
+        let req = Request {
+            number: num,
+            name: "Pikachu".to_string(),
+            types: vec!["Electric".to_string(), ],
+        };
+        let res = execute(repo, req);
+        match res {
+            Ok(Response {
+                number,
+                name,
+                types,
+               }) => assert_eq!(number, num),
             _ => unreachable!(),
         }
     }
@@ -55,16 +88,20 @@ mod tests {
     #[test]
     fn it_should_return_a_bad_request_error_when_request_is_invalid() {
         let mut repo = Arc::new(InMemoryRepository::new());
-        let number = 25;
+        let num = 25;
         let req = Request {
-            number: number,
+            number: num,
             name: "".to_string(),
             types: vec!["Electric".to_string(), ],
         };
         let res = execute(repo, req);
         match res {
-            Response::Ok(num) => assert_eq!(num, number),
-            Response::BadRequest => {},
+            Ok(Response{
+                number,
+                name,
+                types,
+               }) => assert_eq!(number, num),
+            Err(Error::BadRequest) => {},
             _ => unreachable!()
         }
     }
@@ -83,7 +120,7 @@ mod tests {
         };
         let res = execute(repo, req);
         match res {
-            Response::Conflict => {},
+            Err(Error::Conflict) => {},
             _ => unreachable!(),
         }
     }

src/domain/entity.rs

@@ -1,8 +1,8 @@
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Pokemon {
     pub number: PokemonNumber,
-    name: PokemonName,
-    types: PokemonTypes,
+    pub name: PokemonName,
+    pub types: PokemonTypes,
 }
 
 impl Pokemon {
@@ -36,7 +36,7 @@ impl From<PokemonNumber> for u16 {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct PokemonName(String);
 
 impl TryFrom<String> for PokemonName {
@@ -51,7 +51,13 @@ impl TryFrom<String> for PokemonName {
     }
 }
 
-#[derive(Debug)]
+impl From<PokemonName> for String {
+    fn from(value: PokemonName) -> Self {
+        value.0
+    }
+}
+
+#[derive(Debug, Clone)]
 pub struct PokemonTypes(Vec<PokemonType>);
 
 impl TryFrom<Vec<String>> for PokemonTypes {
@@ -73,7 +79,26 @@ impl TryFrom<Vec<String>> for PokemonTypes {
     }
 }
 
-#[derive(Debug)]
+impl From<PokemonTypes> for Vec<String> {
+    fn from(value: PokemonTypes) -> Self {
+        let mut ts = vec![];
+        for pt in value.0.into_iter() {
+            ts.push(String::from(pt));
+        }
+        ts
+    }
+}
+
+impl From<PokemonType> for String {
+    fn from(value: PokemonType) -> Self {
+        String::from(match value {
+            PokemonType::Electric => "Electric",
+            PokemonType::Fire => "Fire",
+        })
+    }
+}
+
+#[derive(Debug, Clone)]
 enum PokemonType {
     Electric,
     Fire,

src/repo/pokemon.rs

@@ -2,7 +2,7 @@ use std::sync::Mutex;
 use crate::domain::entity::{Pokemon, PokemonName, PokemonNumber, PokemonTypes};
 
 pub trait Repository: Send + Sync {
-    fn insert(&self, number: PokemonNumber, name: PokemonName, types: PokemonTypes) -> Insert;
+    fn insert(&self, number: PokemonNumber, name: PokemonName, types: PokemonTypes) -> Result<Pokemon, InsertError>;
 }
 #[derive(Debug)]
 pub struct InMemoryRepository {
@@ -17,32 +17,38 @@ impl InMemoryRepository {
             pokemons
         }
     }
+    #[cfg(test)]
+    pub fn with_error(self) -> Self {
+        Self {
+            error: true,
+            ..self
+        }
+    }
 }
 
-pub enum Insert {
-    Ok(PokemonNumber),
+pub enum InsertError {
     Conflict,
     Error,
 }
 
 impl Repository for InMemoryRepository {
-    fn insert(&self, number: PokemonNumber, name: PokemonName, types: PokemonTypes) -> Insert {
+    fn insert(&self, number: PokemonNumber, name: PokemonName, types: PokemonTypes) -> Result<Pokemon, InsertError> {
         if self.error {
-            return Insert::Error;
+            return Err(InsertError::Error);
         }
         let mut lock = match self.pokemons.lock() {
             Ok(lock) => lock,
-            _ => return Insert::Error,
+            _ => return Err(InsertError::Error),
         };
 
-
         println!("{number:?} {:?}", self.pokemons);
         if lock.iter().any(|pokemon| pokemon.number == number) {
-            return Insert::Conflict;
+            return Err(InsertError::Conflict);
         }
         let number_clone = number.clone();
-        lock.push(Pokemon::new(number_clone, name, types));
+        let pokemon = Pokemon::new(number_clone, name, types);
+        lock.push(pokemon.clone());
         println!("{number:?} {:?}", self.pokemons);
-        Insert::Ok(number)
+        Ok(pokemon)
     }
 }