webhooks (#1)

Reviewed-on: #1

k-tv-backend/api/src/routes/channels/crud.rs

@@ -5,6 +5,7 @@ use axum::{
     response::IntoResponse,
 };
 use chrono::Utc;
+use domain;
 use uuid::Uuid;
 
 use crate::{
@@ -47,10 +48,19 @@ pub(super) async fn create_channel(
         channel.access_password_hash = Some(infra::auth::hash_password(pw));
         changed = true;
     }
+    if let Some(url) = payload.webhook_url {
+        channel.webhook_url = Some(url);
+        changed = true;
+    }
+    if let Some(interval) = payload.webhook_poll_interval_secs {
+        channel.webhook_poll_interval_secs = interval;
+        changed = true;
+    }
     if changed {
         channel = state.channel_service.update(channel).await?;
     }
 
+    let _ = state.event_tx.send(domain::DomainEvent::ChannelCreated { channel: channel.clone() });
     Ok((StatusCode::CREATED, Json(ChannelResponse::from(channel))))
 }
 
@@ -110,9 +120,16 @@ pub(super) async fn update_channel(
     if let Some(opacity) = payload.logo_opacity {
         channel.logo_opacity = opacity.clamp(0.0, 1.0);
     }
+    if let Some(url) = payload.webhook_url {
+        channel.webhook_url = url;
+    }
+    if let Some(interval) = payload.webhook_poll_interval_secs {
+        channel.webhook_poll_interval_secs = interval;
+    }
     channel.updated_at = Utc::now();
 
     let channel = state.channel_service.update(channel).await?;
+    let _ = state.event_tx.send(domain::DomainEvent::ChannelUpdated { channel: channel.clone() });
     Ok(Json(ChannelResponse::from(channel)))
 }
 
@@ -123,5 +140,6 @@ pub(super) async fn delete_channel(
 ) -> Result<impl IntoResponse, ApiError> {
     // ChannelService::delete enforces ownership internally
     state.channel_service.delete(channel_id, user.id).await?;
+    let _ = state.event_tx.send(domain::DomainEvent::ChannelDeleted { channel_id });
     Ok(StatusCode::NO_CONTENT)
 }

k-tv-backend/api/src/routes/channels/schedule.rs

@@ -7,7 +7,7 @@ use axum::{
 use chrono::Utc;
 use uuid::Uuid;
 
-use domain::DomainError;
+use domain::{self, DomainError};
 
 use crate::{
     dto::ScheduleResponse,
@@ -33,6 +33,10 @@ pub(super) async fn generate_schedule(
         .generate_schedule(channel_id, Utc::now())
         .await?;
 
+    let _ = state.event_tx.send(domain::DomainEvent::ScheduleGenerated {
+        channel_id,
+        schedule: schedule.clone(),
+    });
     Ok((StatusCode::CREATED, Json(ScheduleResponse::from(schedule))))
 }