trendkit_core/
error.rs

1//! Error type for trendkit-core.
2
3use thiserror::Error;
4
5/// Fallible result alias used throughout trendkit.
6pub type Result<T> = std::result::Result<T, TrendError>;
7
8/// Errors surfaced by trendkit-core.
9#[derive(Debug, Error)]
10pub enum TrendError {
11    /// A SQLite store operation failed.
12    #[error("database error: {0}")]
13    Db(#[from] rusqlite::Error),
14
15    /// An HTTP fetch failed.
16    #[error("fetch error: {0}")]
17    Fetch(#[from] fetch_kit::FetchError),
18
19    /// A filesystem operation failed.
20    #[error("io error: {0}")]
21    Io(#[from] std::io::Error),
22
23    /// A source stayed rate-limited after exhausting the retry budget.
24    #[error("rate limited after {attempts} attempts on {endpoint}")]
25    RateLimited {
26        /// The API endpoint that kept answering 403/429.
27        endpoint: String,
28        /// How many attempts were made.
29        attempts: u32,
30    },
31
32    /// Configuration could not be loaded or is contradictory.
33    #[error("config error: {0}")]
34    Config(String),
35
36    /// Anything that does not fit a typed variant yet.
37    #[error("{0}")]
38    Other(String),
39}
trendkit_core/error.rs

trendkit_core/
error.rs
