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crw_core/
error.rs

1use thiserror::Error;
2
3#[derive(Debug, Error)]
4pub enum CrwError {
5    #[error("HTTP request failed: {0}")]
6    HttpError(String),
7
8    #[error("Target unreachable: {0}")]
9    TargetUnreachable(String),
10
11    #[error("URL parse error: {0}")]
12    UrlParseError(#[from] url::ParseError),
13
14    #[error("Invalid request: {0}")]
15    InvalidRequest(String),
16
17    #[error("Renderer error: {0}")]
18    RendererError(String),
19
20    #[error("Extraction error: {0}")]
21    ExtractionError(String),
22
23    #[error("Crawl error: {0}")]
24    CrawlError(String),
25
26    #[error("Timeout after {0}ms")]
27    Timeout(u64),
28
29    #[error("Config error: {0}")]
30    ConfigError(String),
31
32    #[error("Not found: {0}")]
33    NotFound(String),
34
35    #[error("Rate limited")]
36    RateLimited,
37
38    #[error("{0}")]
39    Internal(String),
40}
41
42impl CrwError {
43    /// Machine-readable error code for API consumers.
44    pub fn error_code(&self) -> &'static str {
45        match self {
46            CrwError::HttpError(_) => "http_error",
47            CrwError::TargetUnreachable(_) => "target_unreachable",
48            CrwError::UrlParseError(_) => "invalid_url",
49            CrwError::InvalidRequest(_) => "invalid_request",
50            CrwError::RendererError(_) => "renderer_error",
51            CrwError::ExtractionError(_) => "extraction_error",
52            CrwError::CrawlError(_) => "crawl_error",
53            CrwError::Timeout(_) => "timeout",
54            CrwError::ConfigError(_) => "config_error",
55            CrwError::NotFound(_) => "not_found",
56            CrwError::RateLimited => "rate_limited",
57            CrwError::Internal(_) => "internal_error",
58        }
59    }
60}
61
62pub type CrwResult<T> = Result<T, CrwError>;