Skip to main content

es_entity/
lib.rs

1//! A Rust library for persisting Event Sourced entities to PostgreSQL
2//!
3//! This crate simplifies Event Sourcing persistence by automatically generating type-safe
4//! queries and operations for PostgreSQL. It decouples domain logic from persistence
5//! concerns while ensuring compile-time query verification via [sqlx](https://crates.io/crates/sqlx).
6//!
7//! # Documentation
8//! - [Book](https://galoymoney.github.io/es-entity)
9//! - [Github repository](https://github.com/GaloyMoney/es-entity)
10//! - [Cargo package](https://crates.io/crates/es-entity)
11//!
12//! # Features
13//!
14//! - Store and construct from event sequences
15//! - Type-safe and compile-time verification
16//! - Simple and configurable query generation
17//! - Easy idempotency checks
18//! - Cursor-based pagination
19//! - Flexible ID types
20//! - Atomic operations
21
22#![cfg_attr(feature = "fail-on-warnings", deny(warnings))]
23#![cfg_attr(feature = "fail-on-warnings", deny(clippy::all))]
24#![forbid(unsafe_code)]
25
26pub mod clock;
27pub mod context;
28pub mod db;
29pub mod error;
30pub mod events;
31pub mod idempotent;
32mod macros;
33pub mod nested;
34pub mod one_time_executor;
35pub mod operation;
36pub mod pagination;
37pub mod query;
38pub mod traits;
39
40pub mod prelude {
41    //! Convenience re-export of crates that the derive macros reference in generated code.
42
43    pub use chrono;
44    pub use serde;
45    pub use serde_json;
46    pub use sqlx;
47    pub use uuid;
48
49    #[cfg(feature = "json-schema")]
50    pub use schemars;
51}
52
53#[doc(inline)]
54pub use context::*;
55#[doc(inline)]
56pub use error::*;
57pub use es_entity_macros::EsEntity;
58pub use es_entity_macros::EsEvent;
59pub use es_entity_macros::EsRepo;
60pub use es_entity_macros::es_event_context;
61pub use es_entity_macros::expand_es_query;
62pub use es_entity_macros::retry_on_concurrent_modification;
63#[doc(inline)]
64pub use events::*;
65#[doc(inline)]
66pub use idempotent::*;
67#[doc(inline)]
68pub use nested::*;
69#[doc(inline)]
70pub use one_time_executor::*;
71#[doc(inline)]
72pub use operation::*;
73#[doc(inline)]
74pub use pagination::*;
75#[doc(inline)]
76pub use query::*;
77#[doc(inline)]
78pub use traits::*;
79
80#[cfg(feature = "graphql")]
81pub mod graphql {
82    pub use async_graphql;
83    pub use base64;
84
85    #[derive(Debug, serde::Serialize, serde::Deserialize, Clone, Copy)]
86    #[serde(transparent)]
87    pub struct UUID(crate::prelude::uuid::Uuid);
88    async_graphql::scalar!(UUID);
89    impl<T: Into<crate::prelude::uuid::Uuid>> From<T> for UUID {
90        fn from(id: T) -> Self {
91            let uuid = id.into();
92            Self(uuid)
93        }
94    }
95    impl From<&UUID> for crate::prelude::uuid::Uuid {
96        fn from(id: &UUID) -> Self {
97            id.0
98        }
99    }
100}