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use std::collections::HashMap;
use crate::http_types::*;
#[derive(Debug, Clone)]
pub struct Request {
pub method: Method,
pub headers: Option<Headers>,
body: Option<String>,
}
impl Request {
fn new(method: Method, headers: Headers, body: String) -> Self {
let headers = if headers.0.len() == 0 {
None
} else {
Some(headers)
};
let body = if body.is_empty() { None } else { Some(body) };
Request {
method,
headers,
body,
}
}
pub fn get_tag(&self, key: &str) -> Option<&String> {
self.headers.as_ref().unwrap().0.get(&key.to_string())
}
pub fn method(&self) -> &Method {
&self.method
}
pub fn headers(&self) -> &Option<Headers> {
&self.headers
}
pub fn body(&self) -> &Option<String> {
&self.body
}
}
impl From<Vec<&str>> for Request {
fn from(value: Vec<&str>) -> Self {
match &value[..] {
[request_line, headers @ .., body] => {
let (method, headers, body) =
(Method::from(*request_line), Headers::from(headers), body);
if let Some(content_length) = headers.0.get("Content-Length") {
let content_length = content_length
.parse::<usize>()
.expect("Content-Length should be parsable to usize");
Request::new(method, headers, (body[0..content_length]).to_string())
} else {
Request::new(method, headers, (*body).to_string())
}
}
_ => {
unreachable!();
}
}
}
}
impl<'a> Into<String> for Request {
fn into(self) -> String {
let method = String::from(self.method);
let (method, endpoint) = method.split_once(" ").unwrap();
let status_line = format!("{} {} HTTP/1.1", method, endpoint);
let headers = self
.headers
.unwrap_or(Headers(HashMap::new()))
.0
.iter()
.map(|(key, value)| format!("{key}: {value}\r\n"))
.collect::<String>();
let body = self.body.unwrap_or("".to_string());
format!("{status_line}\r\n{headers}\r\n{body}")
}
}
impl Into<String> for &Request {
fn into(self) -> String {
let method = String::from(self.method.clone());
let (method, endpoint) = method.split_once(" ").unwrap();
let status_line = format!("{} {} HTTP/1.1", method, endpoint);
let headers = self
.headers()
.clone()
.unwrap_or(Headers(HashMap::new()))
.0
.iter()
.map(|(key, value)| format!("{key}: {value}\r\n"))
.collect::<String>();
let body = self.body.clone().unwrap_or("".to_string());
format!("{status_line}\r\n{headers}\r\n{body}")
}
}
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