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pub use crate::{event_type::EventTypeName, partition::PartitionId, FlowId};
use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use uuid::Uuid;
pub mod publishable;
new_type! {
#[doc="Identifier for an event.\n\nSometimes also called EID."]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub copy struct EventId(Uuid);
}
pub struct Eid;
impl From<Eid> for EventId {
fn from(_: Eid) -> Self {
Self::random()
}
}
impl EventId {
pub fn random() -> Self {
Self::new(Uuid::new_v4())
}
}
new_type! {
#[doc=""]
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct DataType(String);
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum DataOp {
#[serde(rename = "C")]
Creation,
#[serde(rename = "U")]
Update,
#[serde(rename = "D")]
Deletion,
#[serde(rename = "S")]
Snapshot,
}
#[derive(Debug, Clone, Deserialize)]
pub struct DataChangeEvent<T> {
pub data: T,
pub data_type: DataType,
pub data_op: DataOp,
pub metadata: EventMetaData,
}
#[derive(Debug, Clone, Deserialize)]
pub struct BusinessEvent<T> {
#[serde(flatten)]
pub data: T,
pub metadata: EventMetaData,
}
#[derive(Debug, Clone, Deserialize)]
pub struct EventMetaData {
pub eid: EventId,
pub event_type: EventTypeName,
pub occurred_at: DateTime<Utc>,
pub received_at: DateTime<Utc>,
#[serde(default)]
pub parent_eids: Vec<EventId>,
pub partition: PartitionId,
#[serde(default)]
pub version: String,
pub flow_id: FlowId,
}