v0.3.7-pre.010

crates/ksp-app-backfill-desk/src/app_state.rs

@@ -1,5 +1,5 @@
 // file: crates/ksp-app-backfill-desk/src/app_state.rs
-// version: 7
+// version: 8
 
 //! Shared backend state owned by the Backfill Desk Tauri application.
 
@@ -123,7 +123,7 @@ impl crate::AppState {
             application_version: env!("CARGO_PKG_VERSION").to_owned(),
             config_document_count: document_count,
             fallback_logging_active: runtime.fallback_active,
-            shell_phase: "pre.008-runtime-start".to_owned(),
+            shell_phase: "pre.010-cancel-races".to_owned(),
             startup_diagnostic: runtime.startup_diagnostic.clone(),
         });
     }
@@ -277,6 +277,29 @@ impl crate::AppState {
         };
     }
 
+    /// Requests cooperative cancellation of one exact backend-issued Backfill Job identity.
+    pub(crate) fn cancel_backfill(&self, job_id: &str) -> ksp_core_lib::Result<crate::BackfillCancelResponseDto> {
+        let cancelled = self.backfill_runs.cancel(job_id);
+        let cancelled = match cancelled {
+            std::result::Result::Ok(value) => value,
+            std::result::Result::Err(error) => return std::result::Result::Err(error),
+        };
+        ksp_logging_lib::debug!(
+            target: crate::TRACING_TARGET,
+            domain = crate::TRACING_DOMAIN_RUN,
+            accepted = cancelled.accepted,
+            job_id = cancelled.job_id.as_str(),
+            state = cancelled.state.as_str(),
+            "processed Backfill Desk cooperative cancellation request"
+        );
+        return std::result::Result::Ok(cancelled);
+    }
+
+    /// Requests best-effort cooperative cancellation of the active run during application shutdown.
+    pub(crate) fn cancel_active_backfill_for_shutdown(&self) -> ksp_core_lib::Result<bool> {
+        return self.backfill_runs.cancel_active_for_shutdown();
+    }
+
     /// Executes one already-admitted Backfill launch and restores application resources after its terminal result.
     pub(crate) async fn execute_backfill_run(&self, launch: crate::BackfillRunLaunch) -> ksp_core_lib::Result<()> {
         let job_id = launch.job_id.clone();