initial jobs dashboard

internal/handlers/jobs/queue.go

@@ -0,0 +1,64 @@
+package jobs
+
+import (
+	"time"
+
+	"github.com/glueops/autoglue/internal/db/models"
+	"gorm.io/gorm"
+)
+
+type QueueRollup struct {
+	QueueName       string
+	Running         int64
+	QueuedDue       int64
+	QueuedFuture    int64
+	Success24h      int64
+	Failed24h       int64
+	AvgDurationSecs float64
+}
+
+func LoadPerQueue(db *gorm.DB) ([]QueueRollup, error) {
+	var queues []string
+	if err := db.Model(&models.Job{}).Distinct().Pluck("queue_name", &queues).Error; err != nil {
+		return nil, err
+	}
+
+	now := time.Now()
+	dayAgo := now.Add(-24 * time.Hour)
+	out := make([]QueueRollup, 0, len(queues))
+
+	for _, q := range queues {
+		var rr, qd, qf, s24, f24 int64
+		var avgDur *float64
+
+		_ = db.Model(&models.Job{}).Where("queue_name = ? AND status = 'running'", q).Count(&rr).Error
+		_ = db.Model(&models.Job{}).Where("queue_name = ? AND status IN ('queued','scheduled','pending') AND scheduled_at <= ?", q, now).Count(&qd).Error
+		_ = db.Model(&models.Job{}).Where("queue_name = ? AND status IN ('queued','scheduled','pending') AND scheduled_at >  ?", q, now).Count(&qf).Error
+		_ = db.Model(&models.Job{}).Where("queue_name = ? AND status = 'success' AND updated_at >= ?", q, dayAgo).Count(&s24).Error
+		_ = db.Model(&models.Job{}).Where("queue_name = ? AND status = 'failed'  AND updated_at >= ?", q, dayAgo).Count(&f24).Error
+
+		_ = db.
+			Model(&models.Job{}).
+			Select("AVG(EXTRACT(EPOCH FROM (updated_at - started_at)))").
+			Where("queue_name = ? AND status = 'success' AND started_at IS NOT NULL AND updated_at >= ?", q, dayAgo).
+			Scan(&avgDur).Error
+
+		out = append(out, QueueRollup{
+			QueueName:       q,
+			Running:         rr,
+			QueuedDue:       qd,
+			QueuedFuture:    qf,
+			Success24h:      s24,
+			Failed24h:       f24,
+			AvgDurationSecs: coalesceF64(avgDur, 0),
+		})
+	}
+	return out, nil
+}
+
+func coalesceF64(p *float64, d float64) float64 {
+	if p == nil {
+		return d
+	}
+	return *p
+}