nestrs_core/
execution_context.rs

1use axum::http::request::Parts;
2
3/// Active host kind (NestJS [`ArgumentsHost#getType`](https://docs.nestjs.com/fundamentals/execution-context)).
4#[derive(Clone, Copy, Debug, PartialEq, Eq)]
5pub enum HostType {
6    Http,
7    Rpc,
8    Ws,
9    Unknown,
10}
11
12/// Cross-cutting context similar to NestJS [`ExecutionContext`](https://docs.nestjs.com/fundamentals/execution-context)
13/// / `ArgumentsHost` for HTTP handlers (RPC/WS can set [`HostType`] when wired manually).
14#[derive(Clone, Debug)]
15pub struct ExecutionContext {
16    host_type: HostType,
17    pub method: axum::http::Method,
18    pub path_and_query: String,
19}
20
21impl ExecutionContext {
22    pub fn from_http_parts(parts: &Parts) -> Self {
23        let path_and_query = parts
24            .uri
25            .path_and_query()
26            .map(|pq| pq.as_str().to_owned())
27            .unwrap_or_else(|| parts.uri.path().to_owned());
28        Self {
29            host_type: HostType::Http,
30            method: parts.method.clone(),
31            path_and_query,
32        }
33    }
34
35    pub fn get_type(&self) -> HostType {
36        self.host_type
37    }
38
39    pub fn switch_to_http(&self) -> HttpExecutionArguments<'_> {
40        HttpExecutionArguments { ctx: self }
41    }
42}
43
44/// NestJS `switchToHttp().getRequest()`-style view without storing the full Axum request type.
45pub struct HttpExecutionArguments<'a> {
46    ctx: &'a ExecutionContext,
47}
48
49impl<'a> HttpExecutionArguments<'a> {
50    pub fn method(&self) -> &'a axum::http::Method {
51        &self.ctx.method
52    }
53
54    pub fn path_and_query(&self) -> &'a str {
55        self.ctx.path_and_query.as_str()
56    }
57}
nestrs_core/execution_context.rs

nestrs_core/
execution_context.rs
