pinakes-server: integrate plugin system into routes & application state

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ib5d482326cae1dcb43603bffb76a6a186a6a6964

crates/pinakes-server/src/state.rs

@@ -5,7 +5,7 @@ use pinakes_core::{
   config::Config,
   jobs::JobQueue,
   managed_storage::ManagedStorageService,
-  plugin::PluginManager,
+  plugin::{PluginManager, PluginPipeline},
   scan::ScanProgress,
   scheduler::TaskScheduler,
   storage::DynStorageBackend,
@@ -32,9 +32,23 @@ pub struct AppState {
   pub cache:                  Arc<CacheLayer>,
   pub scheduler:              Arc<TaskScheduler>,
   pub plugin_manager:         Option<Arc<PluginManager>>,
+  pub plugin_pipeline:        Option<Arc<PluginPipeline>>,
   pub transcode_service:      Option<Arc<TranscodeService>>,
   pub managed_storage:        Option<Arc<ManagedStorageService>>,
   pub chunked_upload_manager: Option<Arc<ChunkedUploadManager>>,
   pub webhook_dispatcher:     Option<Arc<WebhookDispatcher>>,
   pub session_semaphore:      Arc<Semaphore>,
 }
+
+impl AppState {
+  /// Emit a plugin event if the pipeline is active.
+  pub fn emit_plugin_event(
+    &self,
+    event_type: &str,
+    payload: &serde_json::Value,
+  ) {
+    if let Some(ref pipeline) = self.plugin_pipeline {
+      pipeline.emit_event(event_type, payload);
+    }
+  }
+}