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use crate::Headers;
use std::io::prelude::*;
use std::net::TcpStream;
/// Response
///
///
#[derive(Debug)]
pub struct Response {
stream: TcpStream,
pub headers: Headers,
contents: String,
status_code: usize,
}
impl Response {
pub fn new(stream: TcpStream) -> Self {
Self {
stream,
headers: Headers::default(),
contents: String::new(),
status_code: 200,
}
}
// /// Get Headers
// ///
// pub fn get_headers(&self) -> &Headers {
// &self.headers
// }
// /// Get Header
// ///
// /// Get header value.
// pub fn get_header(&self, key: &str) -> Option<&String> {
// self.headers.get(key)
// }
// /// Set Header
// ///
// /// Set header value.
// pub fn set_header(&mut self, key: &str, value: &str) {
// self.headers.set(key, value);
// }
/// Set Content Type
///
/// Set content type in header.
pub fn set_content_type(&mut self, content_type: &str) {
self.headers.set_content_type(content_type);
}
/// Status
///
/// Get status code.
pub fn status(&self) -> usize {
self.status_code
}
/// Set Status
///
/// Set status code.
pub fn set_status(&mut self, status_code: usize) {
self.status_code = status_code;
}
}
impl Response {
/// Raw Response
///
/// That will send back to client.
fn raw_response(&self) -> String {
format!(
"{version} {status_code} {status_phrase}\r\n{headers}\r\n\r\n{contents}",
version = "HTTP/1.1",
status_code = self.status_code,
status_phrase = "OK",
headers = self.headers.raw_headers(),
contents = self.contents
)
}
/// Write
///
/// Write data to client and flush out.
fn write(&mut self, contents: &str) {
// Set content and content len.
self.contents.push_str(contents);
self.headers.set_content_len(&self.contents.len().to_string());
// Set content type, If there in None.
if self.headers.content_type().is_none() {
self.headers.set_content_type("plain/text");
}
self.stream
.write_all(self.raw_response().as_bytes())
.expect("ERROR: WriteResponse.");
self.stream.flush().expect("ERROR: FlushResponse.");
}
/// Send
///
/// Send data to client.
pub fn send(&mut self, data: &str) {
self.write(data);
}
/// Json
///
/// Send JSON file.
pub fn json(&mut self, json: &str) {
self.set_content_type("application/json");
self.write(json);
}
/// Html
///
/// Send HTML file.
pub fn html(&mut self, html: &str) {
self.set_content_type("text/html");
self.write(html);
}
/// File
///
/// Send File contents.
///
/// - `Content-Type` file extension or text/html.
pub fn file(&mut self, path: &str) {
self.set_content_type("plain/text");
let contents = std::fs::read_to_string(path).expect("ERROR: ReadFile.");
self.write(&contents)
}
}