| 1 | use serde::{Deserialize, Serialize}; |
| 2 | use serde_json::Value; |
| 3 | |
| 4 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)] |
| 5 | #[serde(rename_all = "snake_case")] |
| 6 | pub enum WorkDomain { |
| 7 | /// Durable delegated/background unit. |
| 8 | Task, |
| 9 | /// Active checklist inside the current turn or lane. |
| 10 | Todo, |
| 11 | /// Strategy owned through Plan mode. |
| 12 | Plan, |
| 13 | /// Ordered durable execution. |
| 14 | Workflow, |
| 15 | } |
| 16 | |
| 17 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)] |
| 18 | #[serde(rename_all = "snake_case")] |
| 19 | pub enum WorkLifecycle { |
| 20 | Pending, |
| 21 | Active, |
| 22 | Waiting, |
| 23 | Completed, |
| 24 | Failed, |
| 25 | Canceled, |
| 26 | } |
| 27 | |
| 28 | /// Common envelope only. The payload remains owned by its domain so Tasks, |
| 29 | /// To-do, Plan, and Workflow cannot collapse into a generic tracker. |
| 30 | #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)] |
| 31 | pub struct WorkEventEnvelope { |
| 32 | pub schema_version: u32, |
| 33 | pub event_id: String, |
| 34 | pub domain: WorkDomain, |
| 35 | pub object_id: String, |
| 36 | pub lifecycle: WorkLifecycle, |
| 37 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 38 | pub parent_id: Option<String>, |
| 39 | pub payload: Value, |
| 40 | } |
| 41 | |
| 42 | impl WorkEventEnvelope { |
| 43 | pub fn validate(&self) -> Result<(), String> { |
| 44 | if self.schema_version == 0 { |
| 45 | return Err("work event schema version cannot be zero".to_string()); |
| 46 | } |
| 47 | if self.event_id.trim().is_empty() || self.object_id.trim().is_empty() { |
| 48 | return Err("work event and object IDs cannot be empty".to_string()); |
| 49 | } |
| 50 | if !self.payload.is_object() { |
| 51 | return Err("work event payload must remain a typed object".to_string()); |
| 52 | } |
| 53 | Ok(()) |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | #[cfg(test)] |
| 58 | mod tests { |
| 59 | use super::*; |
| 60 | |
| 61 | #[test] |
| 62 | fn domains_share_an_envelope_without_losing_meaning() { |
| 63 | let task = WorkEventEnvelope { |
| 64 | schema_version: 1, |
| 65 | event_id: "event-task".to_string(), |
| 66 | domain: WorkDomain::Task, |
| 67 | object_id: "task-1".to_string(), |
| 68 | lifecycle: WorkLifecycle::Active, |
| 69 | parent_id: None, |
| 70 | payload: serde_json::json!({"worker_id": "worker-1"}), |
| 71 | }; |
| 72 | let todo = WorkEventEnvelope { |
| 73 | domain: WorkDomain::Todo, |
| 74 | event_id: "event-todo".to_string(), |
| 75 | object_id: "todo-1".to_string(), |
| 76 | payload: serde_json::json!({"checked": false}), |
| 77 | ..task.clone() |
| 78 | }; |
| 79 | assert_ne!(task.domain, todo.domain); |
| 80 | assert!(task.payload.get("worker_id").is_some()); |
| 81 | assert!(todo.payload.get("checked").is_some()); |
| 82 | assert!(task.validate().is_ok()); |
| 83 | assert!(todo.validate().is_ok()); |
| 84 | } |
| 85 | } |
| 86 |