1use chrono::{DateTime, Utc};
2use serde::{Deserialize, Serialize};
3
4#[derive(Debug, Clone, Serialize, Deserialize)]
5pub struct Event {
6 pub id: String,
7 pub event_name: String,
8 pub event_key: String,
9 pub event_data: serde_json::Value,
10 pub event_time: DateTime<Utc>,
11 pub is_processed: bool,
12}
13
14impl Event {
15 pub fn new(
16 event_name: impl Into<String>,
17 event_key: impl Into<String>,
18 event_data: serde_json::Value,
19 ) -> Self {
20 Self {
21 id: uuid::Uuid::new_v4().to_string(),
22 event_name: event_name.into(),
23 event_key: event_key.into(),
24 event_data,
25 event_time: Utc::now(),
26 is_processed: false,
27 }
28 }
29}
30
31#[derive(Debug, Clone, Serialize, Deserialize)]
32pub struct EventSubscription {
33 pub id: String,
34 pub workflow_id: String,
35 pub step_id: usize,
36 pub execution_pointer_id: String,
37 pub event_name: String,
38 pub event_key: String,
39 pub subscribe_as_of: DateTime<Utc>,
40 pub subscription_data: Option<serde_json::Value>,
41 pub external_token: Option<String>,
42 pub external_worker_id: Option<String>,
43 pub external_token_expiry: Option<DateTime<Utc>>,
44}
45
46impl EventSubscription {
47 pub fn new(
48 workflow_id: impl Into<String>,
49 step_id: usize,
50 execution_pointer_id: impl Into<String>,
51 event_name: impl Into<String>,
52 event_key: impl Into<String>,
53 subscribe_as_of: DateTime<Utc>,
54 ) -> Self {
55 Self {
56 id: uuid::Uuid::new_v4().to_string(),
57 workflow_id: workflow_id.into(),
58 step_id,
59 execution_pointer_id: execution_pointer_id.into(),
60 event_name: event_name.into(),
61 event_key: event_key.into(),
62 subscribe_as_of,
63 subscription_data: None,
64 external_token: None,
65 external_worker_id: None,
66 external_token_expiry: None,
67 }
68 }
69}
70
71#[cfg(test)]
72mod tests {
73 use super::*;
74 use pretty_assertions::assert_eq;
75
76 #[test]
77 fn new_event_defaults() {
78 let event = Event::new("order.created", "order-456", serde_json::json!({"amount": 100}));
79 assert_eq!(event.event_name, "order.created");
80 assert_eq!(event.event_key, "order-456");
81 assert!(!event.is_processed);
82 }
83
84 #[test]
85 fn new_event_generates_unique_ids() {
86 let e1 = Event::new("test", "key", serde_json::json!(null));
87 let e2 = Event::new("test", "key", serde_json::json!(null));
88 assert_ne!(e1.id, e2.id);
89 }
90
91 #[test]
92 fn event_serde_round_trip() {
93 let event = Event::new("test", "key", serde_json::json!({"data": true}));
94 let json = serde_json::to_string(&event).unwrap();
95 let deserialized: Event = serde_json::from_str(&json).unwrap();
96 assert_eq!(event.id, deserialized.id);
97 assert_eq!(event.event_name, deserialized.event_name);
98 assert_eq!(event.event_data, deserialized.event_data);
99 }
100
101 #[test]
102 fn new_subscription_defaults() {
103 let sub = EventSubscription::new("wf-1", 0, "ptr-1", "evt", "key", Utc::now());
104 assert_eq!(sub.workflow_id, "wf-1");
105 assert_eq!(sub.step_id, 0);
106 assert!(sub.external_token.is_none());
107 assert!(sub.subscription_data.is_none());
108 }
109
110 #[test]
111 fn subscription_serde_round_trip() {
112 let sub = EventSubscription::new("wf-1", 2, "ptr-1", "evt", "key", Utc::now());
113 let json = serde_json::to_string(&sub).unwrap();
114 let deserialized: EventSubscription = serde_json::from_str(&json).unwrap();
115 assert_eq!(sub.id, deserialized.id);
116 assert_eq!(sub.workflow_id, deserialized.workflow_id);
117 assert_eq!(sub.event_name, deserialized.event_name);
118 }
119}