codecrafters submit [skip ci]

1 files changed, 77 insertions, 0 deletions

diff --git a/src/http_types.rs b/src/http_types.rs
new file mode 100644
index 0000000..a652e6c
--- /dev/null
+++ b/src/http_types.rs
@@ -0,0 +1,77 @@
+use itertools::Itertools;
+use std::collections::HashMap;
+
+pub enum StatusCode {
+    // 2xx Success
+    Ok,
+
+    // 4xx Client Error
+    BadRequest,
+    NotFound,
+}
+
+type Endpoint = String;
+type Target = String;
+
+#[derive(Debug)]
+pub enum HTTPMethod {
+    Get((Endpoint, Target)),
+    Post((Endpoint, Target)),
+    Put((Endpoint, Target)),
+}
+
+impl From<StatusCode> for String {
+    fn from(val: StatusCode) -> Self {
+        use StatusCode::*;
+        match val {
+            Ok => "200 OK".to_string(),
+            BadRequest => "400 Bad Request".to_string(),
+            NotFound => "404 Not Found".to_string(),
+        }
+    }
+}
+
+impl From<HTTPMethod> for String {
+    fn from(val: HTTPMethod) -> Self {
+        use HTTPMethod::*;
+        match val {
+            Get((endpoint, target)) => "GET".to_string() + &endpoint + &target,
+            Post((endpoint, target)) => "POST".to_string() + &endpoint + &target,
+            Put((endpoint, target)) => "PUT".to_string() + &endpoint + &target,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct Headers(pub HashMap<String, String>);
+
+impl From<&[&str]> for Headers {
+    fn from(value: &[&str]) -> Self {
+        let mut header_map = HashMap::new();
+        for header in value.iter().filter(|val| !val.is_empty()) {
+            let (key, val) = header
+                .split_once(": ")
+                .expect("Should be splitable by :<space>");
+            header_map.insert(key.to_string(), val.to_string());
+        }
+        Headers(header_map)
+    }
+}
+
+impl From<&str> for HTTPMethod {
+    fn from(val: &str) -> Self {
+        use HTTPMethod::*;
+        let request_line = val.split(' ').collect_vec();
+        let (method, info) = (request_line[0], request_line[1]);
+        let info = info.chars().skip(1).collect::<String>() + &"/";
+        let (endpoint, target) = info.split_once("/").expect("Should be splitable by /");
+        match method {
+            "GET" => Get((endpoint.to_string(), target.to_string())),
+            "POST" => Post((endpoint.to_string(), target.to_string())),
+            _ => {
+                eprintln!("{method} Not Supported Yet");
+                unreachable!()
+            }
+        }
+    }
+}