covert_framework/extract/
path.rs

1use std::{ops::Deref, str::FromStr};
2
3use covert_types::error::ApiError;
4
5use super::{FromRequest, Request};
6
7#[derive(Debug)]
8pub struct Path<T>(pub T);
9
10impl<T> Deref for Path<T> {
11    type Target = T;
12
13    #[inline]
14    fn deref(&self) -> &Self::Target {
15        &self.0
16    }
17}
18
19trait FromPathParameters: Sized {
20    fn from_path_params(params: &[String]) -> Result<Self, ApiError>;
21}
22
23impl FromPathParameters for String {
24    fn from_path_params(params: &[String]) -> Result<Self, ApiError> {
25        params
26            .get(0)
27            .ok_or_else(ApiError::bad_request)
28            .map(Clone::clone)
29    }
30}
31
32impl<T1, T2> FromPathParameters for (T1, T2)
33where
34    T1: FromStr,
35    T2: FromStr,
36{
37    fn from_path_params(params: &[String]) -> Result<Self, ApiError> {
38        let param = params.get(0).ok_or_else(ApiError::bad_request)?;
39        let t1 = T1::from_str(param).map_err(|_| ApiError::bad_request())?;
40
41        let param = params.get(1).ok_or_else(ApiError::bad_request)?;
42        let t2 = T2::from_str(param).map_err(|_| ApiError::bad_request())?;
43
44        Ok((t1, t2))
45    }
46}
47
48impl<T1, T2, T3> FromPathParameters for (T1, T2, T3)
49where
50    T1: FromStr,
51    T2: FromStr,
52    T3: FromStr,
53{
54    fn from_path_params(params: &[String]) -> Result<Self, ApiError> {
55        let param = params.get(0).ok_or_else(ApiError::bad_request)?;
56        let t1 = T1::from_str(param).map_err(|_| ApiError::bad_request())?;
57
58        let param = params.get(1).ok_or_else(ApiError::bad_request)?;
59        let t2 = T2::from_str(param).map_err(|_| ApiError::bad_request())?;
60
61        let param = params.get(2).ok_or_else(ApiError::bad_request)?;
62        let t3 = T3::from_str(param).map_err(|_| ApiError::bad_request())?;
63
64        Ok((t1, t2, t3))
65    }
66}
67
68impl<T> FromRequest for Path<T>
69where
70    T: FromPathParameters,
71{
72    #[tracing::instrument(level = "debug", name = "path_extractor", skip_all)]
73    fn from_request(req: &mut Request) -> Result<Self, ApiError> {
74        T::from_path_params(&req.params).map(Path)
75    }
76}
covert_framework/extract/path.rs

covert_framework/extract/
path.rs
