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use crate::{
extractor::build_regex_from_path,
http_types::{Method, StatusCode},
request::Request,
response::Response,
};
use regex::Regex;
use std::collections::HashMap;
type Handler = fn(&Request, Option<&HashMap<String, String>>) -> Response;
type Routes = HashMap<Method, Handler>;
pub struct Router {
routes: Routes,
}
impl Router {
// Create a new Router
pub fn new() -> Self {
Router {
routes: HashMap::new(),
}
}
pub fn routes(&self) -> &Routes {
&self.routes
}
// Add a route to the router
pub fn route(&mut self, method: Method, handler: Handler) -> &mut Self {
use Method::*;
match method {
Get(route) => {
let re = build_regex_from_path(&route);
let meth = Get(re.to_string());
self.routes.insert(meth, handler);
}
Post(route) => {
let re = build_regex_from_path(&route);
let meth = Post(re.to_string());
self.routes.insert(meth, handler);
}
Put(_) => todo!(),
}
self
}
// Handle incoming requests
pub fn handle(&self, request: &Request, ctx: Option<&HashMap<String, String>>) -> Response {
use Method::*;
match &request.method {
Get(request_method) => {
for (method, handler) in self.routes() {
if let Get(method_string) = method {
let re = Regex::new(method_string).unwrap();
// dbg!(&re, request_method);
if re.is_match(request_method) {
return handler(request, ctx);
}
}
}
Response::new("1.1".to_string(), StatusCode::NotFound, None, None).into()
}
Post(request_method) => {
for (method, handler) in self.routes() {
if let Post(method_string) = method {
let re = Regex::new(method_string).unwrap();
// dbg!(&re, request_method);
if re.is_match(request_method) {
return handler(request, ctx);
}
}
}
Response::new("1.1".to_string(), StatusCode::NotFound, None, None).into()
}
Put(_) => todo!(),
}
}
}
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