Function extract_endpoint_information

crates/qsync/src/processor.rs:238–295

(
    endpoint_prefix: &str,
    base_input_path: &Path,
    input_path: &Path,
    attributes: &Vec<syn::Attribute>,
    hook: &mut Hook,
)

}

fn extract_endpoint_information(
    endpoint_prefix: &str,
    base_input_path: &Path,
    input_path: &Path,
    attributes: &Vec<syn::Attribute>,
    hook: &mut Hook,
) {
    let mut verb = HttpVerb::Unknown;
    let mut path = String::new();

    for attr in attributes {
        let last_segment = attr.path.segments.last();
        if let Some(potential_verb) = last_segment {
            let potential_verb = potential_verb.ident.to_string();

            if potential_verb.eq_ignore_ascii_case("get") {
                verb = HttpVerb::Get;
            } else if potential_verb.eq_ignore_ascii_case("post") {
                verb = HttpVerb::Post;
            } else if potential_verb.eq_ignore_ascii_case("put") {
                verb = HttpVerb::Put;
            } else if potential_verb.eq_ignore_ascii_case("delete") {
                verb = HttpVerb::Delete;
            }
        }

        if !matches!(verb, HttpVerb::Unknown) {
            for token in attr.clone().tokens {
                if let proc_macro2::TokenTree::Group(g) = token {
                    for x in g.stream() {
                        if let proc_macro2::TokenTree::Literal(lit) = x {
                            path = lit.to_string().trim_matches('"').to_string();
                        }
                    }
                }
            }
        }
    }

    let endpoint_base = input_path
        .parent()
        .unwrap()
        .strip_prefix(base_input_path)
        .unwrap()
        .to_str()
        .unwrap()
        .trim_start_matches('/')
        .trim_end_matches('/');

    // the part extracted from the attribute, for example: `#[post("/{id}"]`
    let handler_path = path.trim_start_matches('/').trim_end_matches('/');

    hook.endpoint_url = format!("{endpoint_prefix}/{endpoint_base}/{handler_path}")
        .trim_end_matches('/')
        .to_string();

    hook.endpoint_verb = verb;
}