Add database optimise task (#3929)

* Add database optimise task
* Wrap errors
* US internationalisation
---------
Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

internal/manager/task_optimise.go

@@ -0,0 +1,56 @@
+package manager
+
+import (
+	"context"
+	"time"
+
+	"github.com/stashapp/stash/pkg/job"
+	"github.com/stashapp/stash/pkg/logger"
+)
+
+type Optimiser interface {
+	Analyze(ctx context.Context) error
+	Vacuum(ctx context.Context) error
+}
+
+type OptimiseDatabaseJob struct {
+	Optimiser Optimiser
+}
+
+func (j *OptimiseDatabaseJob) Execute(ctx context.Context, progress *job.Progress) {
+	logger.Info("Optimising database")
+	progress.SetTotal(2)
+
+	start := time.Now()
+
+	var err error
+
+	progress.ExecuteTask("Analyzing database", func() {
+		err = j.Optimiser.Analyze(ctx)
+		progress.Increment()
+	})
+	if job.IsCancelled(ctx) {
+		logger.Info("Stopping due to user request")
+		return
+	}
+	if err != nil {
+		logger.Errorf("Error analyzing database: %v", err)
+		return
+	}
+
+	progress.ExecuteTask("Vacuuming database", func() {
+		err = j.Optimiser.Vacuum(ctx)
+		progress.Increment()
+	})
+	if job.IsCancelled(ctx) {
+		logger.Info("Stopping due to user request")
+		return
+	}
+	if err != nil {
+		logger.Errorf("Error vacuuming database: %v", err)
+		return
+	}
+
+	elapsed := time.Since(start)
+	logger.Infof("Finished optimising database after %s", elapsed)
+}