Skip to main content

platform_http/
errors.rs

1use axum::Json;
2use axum::http::{HeaderValue, StatusCode};
3use axum::response::{IntoResponse, Response};
4use platform_core::{AppError, ErrorCode, RequestContext};
5use serde::Serialize;
6use utoipa::ToSchema;
7
8#[derive(Debug, Serialize, ToSchema)]
9#[schema(as = ErrorResponse)]
10pub struct ApiErrorBody {
11    pub error: ErrorBody,
12}
13
14#[derive(Debug, Serialize, ToSchema)]
15pub struct ErrorBody {
16    pub code: String,
17    pub message: String,
18    pub request_id: Option<String>,
19    pub correlation_id: Option<String>,
20    pub details: Vec<ValidationErrorDetail>,
21}
22
23#[derive(Debug, Serialize, ToSchema)]
24pub struct ValidationErrorDetail {
25    pub field: Option<String>,
26    pub reason: String,
27}
28
29pub trait IntoApiError {
30    fn status_code(&self) -> StatusCode;
31}
32
33impl IntoApiError for AppError {
34    fn status_code(&self) -> StatusCode {
35        match self.code {
36            ErrorCode::Validation => StatusCode::BAD_REQUEST,
37            ErrorCode::Unauthorized => StatusCode::UNAUTHORIZED,
38            ErrorCode::Forbidden => StatusCode::FORBIDDEN,
39            ErrorCode::NotFound => StatusCode::NOT_FOUND,
40            ErrorCode::Conflict => StatusCode::CONFLICT,
41            ErrorCode::RateLimited => StatusCode::TOO_MANY_REQUESTS,
42            ErrorCode::ExternalDependency => StatusCode::BAD_GATEWAY,
43            ErrorCode::Internal => StatusCode::INTERNAL_SERVER_ERROR,
44        }
45    }
46}
47
48#[derive(Debug)]
49pub struct ApiErrorResponse {
50    pub error: AppError,
51    pub context: Option<RequestContext>,
52}
53
54impl From<AppError> for ApiErrorResponse {
55    fn from(error: AppError) -> Self {
56        Self {
57            error,
58            context: None,
59        }
60    }
61}
62
63impl ApiErrorResponse {
64    pub fn with_context(error: AppError, context: &RequestContext) -> Self {
65        Self {
66            error,
67            context: Some(context.clone()),
68        }
69    }
70}
71
72impl IntoResponse for ApiErrorResponse {
73    fn into_response(self) -> Response {
74        let error = self.error;
75        let status = error.status_code();
76        let request_id = self.context.as_ref().map(|ctx| ctx.request_id.0.clone());
77        let correlation_id = self
78            .context
79            .as_ref()
80            .map(|ctx| ctx.correlation_id.0.clone());
81        tracing::warn!(
82            error_code = error.code.as_str(),
83            status = status.as_u16(),
84            request_id = request_id.as_deref().unwrap_or(""),
85            correlation_id = correlation_id.as_deref().unwrap_or(""),
86            "HTTP request failed"
87        );
88        let body = ApiErrorBody {
89            error: ErrorBody {
90                code: error.code.as_str().to_owned(),
91                message: error.public_message,
92                request_id,
93                correlation_id,
94                details: error
95                    .details
96                    .into_iter()
97                    .map(|detail| ValidationErrorDetail {
98                        field: detail.field,
99                        reason: detail.reason,
100                    })
101                    .collect(),
102            },
103        };
104        let mut response = (status, Json(body)).into_response();
105        if let Ok(value) = HeaderValue::from_str(error.code.as_str()) {
106            response.headers_mut().insert("x-lenso-error-code", value);
107        }
108        response
109    }
110}