engram_storage/
error.rs

1use std::fmt;
2
3#[derive(Debug)]
4pub enum StorageError {
5    /// 1001: Database connection failed or unavailable
6    DatabaseUnavailable(String),
7    /// 1002: Record not found
8    NotFound(String),
9    /// 1003: Duplicate key
10    DuplicateKey(String),
11    /// 1004: Migration required
12    MigrationRequired(String),
13    /// Wrapper for rusqlite errors
14    Sqlite(rusqlite::Error),
15}
16
17impl fmt::Display for StorageError {
18    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
19        match self {
20            Self::DatabaseUnavailable(message) => {
21                write!(formatter, "[1001] database unavailable: {message}")
22            }
23            Self::NotFound(message) => {
24                write!(formatter, "[1002] not found: {message}")
25            }
26            Self::DuplicateKey(message) => {
27                write!(formatter, "[1003] duplicate key: {message}")
28            }
29            Self::MigrationRequired(message) => {
30                write!(formatter, "[1004] migration required: {message}")
31            }
32            Self::Sqlite(error) => {
33                write!(formatter, "sqlite error: {error}")
34            }
35        }
36    }
37}
38
39impl std::error::Error for StorageError {
40    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
41        match self {
42            Self::Sqlite(error) => Some(error),
43            _ => None,
44        }
45    }
46}
47
48impl From<rusqlite::Error> for StorageError {
49    fn from(error: rusqlite::Error) -> Self {
50        Self::Sqlite(error)
51    }
52}
engram_storage/error.rs

engram_storage/
error.rs
