application: schedule bounded context

crates/application/src/schedule/generate.rs

@@ -0,0 +1,38 @@
+use chrono::Utc;
+
+use domain::events::DomainEvent;
+use domain::models::GeneratedSchedule;
+use domain::value_objects::ChannelId;
+use domain::DomainResult;
+
+use super::commands::GenerateScheduleCommand;
+use super::deps::ScheduleDeps;
+
+/// Generate a new 7-day schedule for a channel.
+///
+/// Delegates the heavy lifting to `ScheduleEngineService::generate_schedule`,
+/// then publishes a `ScheduleGenerated` domain event.
+pub async fn execute(
+    deps: &ScheduleDeps,
+    cmd: GenerateScheduleCommand,
+) -> DomainResult<GeneratedSchedule> {
+    let channel_id = ChannelId::from(cmd.channel_id);
+
+    let schedule = deps
+        .schedule_engine
+        .generate_schedule(channel_id, Utc::now())
+        .await?;
+
+    deps.event_publisher
+        .publish(DomainEvent::ScheduleGenerated {
+            channel_id,
+            schedule_id: schedule.id(),
+        })
+        .await?;
+
+    Ok(schedule)
+}
+
+#[cfg(test)]
+#[path = "tests/generate.rs"]
+mod tests;