[BE] Rocket basic structure & CORS

backend/Cargo.toml

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+[package]
+name = "backend"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+reqwest = "0.11.20"
+rocket = { version = "=0.5.0-rc.3" , features = ["json", "msgpack", "uuid"] }
+sqlx = { version = "0.7.1", features = [ "runtime-tokio", "tls-rustls" ] }
+

backend/src/controller/mod.rs

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+pub mod person;

backend/src/controller/person/mod.rs

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+use rocket::{http::ContentType, serde::json::Json, Response};
+
+use crate::model::person::Person;
+
+#[get("/person/<dni>")]
+pub async fn get_by_dni(dni: i32) -> Json<Person> {
+    Json(Person {
+        person_id: 1,
+        person_dni: format!("{}", dni),
+        person_names: "Juan".to_string(),
+        person_paternal_surname: "Perez".to_string(),
+        person_maternal_surname: "Gomez".to_string(),
+    })
+}

backend/src/main.rs

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+use rocket::fairing::{Fairing, Info, Kind};
+use rocket::http::Header;
+
+#[macro_use]
+extern crate rocket;
+
+mod controller;
+mod model;
+
+struct Cors;
+
+#[rocket::async_trait]
+impl Fairing for Cors {
+    fn info(&self) -> Info {
+        Info {
+            name: "CORS",
+            kind: Kind::Response,
+        }
+    }
+
+    #[cfg(debug_assertions)]
+    async fn on_response<'r>(
+        &self,
+        _: &'r rocket::Request<'_>,
+        response: &mut rocket::Response<'r>,
+    ) {
+        response.set_header(Header::new("Access-Control-Allow-Origin", "*"));
+        response.set_header(Header::new(
+            "Access-Control-Allow-Methods",
+            "POST, GET, OPTIONS",
+        ));
+        response.set_header(Header::new("Access-Control-Allow-Headers", "Content-Type"));
+    }
+}
+
+#[launch]
+fn rocket() -> _ {
+    rocket::build()
+        .attach(Cors {})
+        .mount("/api", routes![controller::person::get_by_dni])
+}
+
+

backend/src/model/mod.rs

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+pub mod person;

backend/src/model/person.rs

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+use rocket::serde::Serialize;
+
+#[derive(Serialize)]
+#[serde(crate = "rocket::serde")]
+pub struct Person {
+    pub person_id: i32,
+    pub person_dni: String,
+    pub person_names: String,
+    pub person_paternal_surname: String,
+    pub person_maternal_surname: String,
+}