simple-zanzibar 0.3.0

A simplified Rust implementation of Google's Zanzibar authorization system with DSL support
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

//! Defines custom error types for the application.
use thiserror::Error;

use crate::{
    domain::DomainError, eval::EvaluationError, relationship::StoreError,
    revision::ConsistencyError, schema::SchemaError,
};

/// Top-level error returned by the compatibility service and public helper APIs.
#[derive(Error, Debug, PartialEq)]
pub enum ZanzibarError {
    /// Requested namespace is not configured.
    #[error("Namespace '{0}' not found")]
    NamespaceNotFound(String),

    /// Requested relation is not configured in the namespace.
    #[error("Relation '{0}' not found in namespace '{1}'")]
    RelationNotFound(String, String),

    /// DSL parsing failed.
    #[error("Parsing error: {0}")]
    ParseError(String),

    /// Legacy tuple store operation failed.
    #[error("Storage error: {0}")]
    StorageError(String),

    /// Operation requires a loaded schema snapshot.
    #[error("Schema must be loaded before applying relationship batches")]
    SchemaRequired,

    /// Domain validation failed.
    #[error(transparent)]
    Domain(#[from] DomainError),

    /// Schema compilation or validation failed.
    #[error(transparent)]
    Schema(#[from] SchemaError),

    /// Indexed relationship store operation failed.
    #[error(transparent)]
    Store(#[from] StoreError),

    /// Consistency token validation failed.
    #[error(transparent)]
    Consistency(#[from] ConsistencyError),

    /// Graph evaluation failed.
    #[error(transparent)]
    Evaluation(#[from] EvaluationError),
}