feat: create heartbeat processing system

hub/internal/service/connection_manager/mapper.go

@@ -0,0 +1,22 @@
+package connection_manager
+
+import (
+	"time"
+
+	pb "github.com/lorsanstand/HomeOps-Hub/api/gen/homeops"
+	domainHub "github.com/lorsanstand/HomeOps-Hub/hub/internal/domain"
+)
+
+func toCreateHeartbeatModel(agentID string, heartbeat *pb.AgentEvent_Heartbeat) domainHub.CreateHeartbeatModel {
+	timestamp := time.Unix(heartbeat.Heartbeat.Timestamp, 0)
+
+	return domainHub.CreateHeartbeatModel{
+		AgentID:   agentID,
+		Timestamp: timestamp,
+		Metrics: domainHub.SystemMetrics{
+			MemoryUsage: float64(heartbeat.Heartbeat.Metrics.MemoryUsage),
+			CpuUsage:    float64(heartbeat.Heartbeat.Metrics.CpuUsage),
+			DiskUsage:   float64(heartbeat.Heartbeat.Metrics.DiskUsage),
+		},
+	}
+}