[#4] Started implementing needed traits (#4)

src/ivago/controller/pickup_times.rs

@@ -1,5 +1,7 @@
 use super::search::Street;
 use chrono::NaiveDate;
+use rocket::http::RawStr;
+use rocket::request::FromFormValue;
 use std::error::Error;
 
 const BASE_URL: &str = "https://www.ivago.be/nl/particulier/afval/ophaling";
@@ -13,6 +15,17 @@ pub struct PickupTime {
     url: String,
 }
 
+impl<'v> FromFormValue<'v> for NaiveDate {
+    type Error = &'v RawStr;
+
+    fn from_form_value(form_value: &'v RawStr) -> Result<NaiveDate, &'v RawStr> {
+        match NaiveDate::parse_from_str(form_value, "%Y-%m-%d") {
+            Ok(date) => Ok(date),
+            Err(_) => Err(form_value),
+        }
+    }
+}
+
 pub fn get_pickup_times(
     street: Street,
     number: u64,

src/ivago/mod.rs

@@ -3,6 +3,7 @@ mod controller;
 mod tests;
 
 use chrono::NaiveDate;
+use rocket::http::Status;
 use rocket_contrib::json::Json;
 
 pub fn routes() -> Vec<rocket::Route> {
@@ -10,21 +11,20 @@ pub fn routes() -> Vec<rocket::Route> {
 }
 
 // URL: https://www.ivago.be/nl/particulier/autocomplete/garbage/streets?q=Lange
-// TODO make this async
-// TODO change this so it can return errors instead of empty json
 #[get("/search?<street>")]
-pub fn search_streets_json(street: String) -> Json<Vec<controller::Street>> {
+pub fn route_search_streets(street: String) -> Result<Json<Vec<controller::Street>>, Status> {
     match controller::search_streets(&street) {
-        Ok(streets) => Json(streets),
-        Err(err) => Json(Vec::new()),
+        Ok(streets) => Ok(Json(streets)),
+        Err(err) => Err(Status::InternalServerError),
     }
 }
 
 #[get("/?<street>&<number>&<start_date>&<end_date>")]
 pub fn route_get_pickup_times(
     street: controller::Street,
-    number: u64,
+    number: u32,
     start_date: NaiveDate,
     end_date: NaiveDate,
-) -> Json<Vec<controller::PickupTime>> {
+) -> Result<Json<Vec<controller::PickupTime>>, Status> {
+    Err(Status::InternalServerError)
 }