show 2 decimals for TransformDataUnits

Author: Stancu Florin

Diff for: webapp/backend/pkg/models/measurements/smart_utils.go

@@ -1,23 +1,23 @@
 package measurements
 
 // TransformDataUnits converts data units to bytes and determines the appropriate unit (MB, GB, TB, PB)
-// Returns the transformed value and the unit as a string
-func TransformDataUnits(value int64) (int64, string) {
+// Returns the transformed value with 2 decimal places and the unit as a string
+func TransformDataUnits(value int64) (float64, string) {
 	// Convert to bytes: value * 1000 * 512 (1000 units of 512 byte data units)
 	// According to NVMe spec: "This value is reported in thousands (i.e., a value of 1 corresponds to 1000 units of 512 bytes read)"
 	bytes := float64(value) * 1000 * 512
 
 	if bytes < 1000*1000*1000 {
-		// Less than 1 GB, show in MB
-		return int64(bytes / 1000 / 1000), "MB"
+		// Less than 1 GB, show in MB with 2 decimal places
+		return float64(int64((bytes / 1000 / 1000) * 100)) / 100, "MB"
 	} else if bytes < 1000*1000*1000*1000 {
-		// Less than 1 TB, show in GB
-		return int64(bytes / 1000 / 1000 / 1000), "GB"
+		// Less than 1 TB, show in GB with 2 decimal places
+		return float64(int64((bytes / 1000 / 1000 / 1000) * 100)) / 100, "GB"
 	} else if bytes < 1000*1000*1000*1000*1000 {
-		// Less than 1 PB, show in TB
-		return int64(bytes / 1000 / 1000 / 1000 / 1000), "TB"
+		// Less than 1 PB, show in TB with 2 decimal places
+		return float64(int64((bytes / 1000 / 1000 / 1000 / 1000) * 100)) / 100, "TB"
 	} else {
-		// Show in PB
-		return int64(bytes / 1000 / 1000 / 1000 / 1000 / 1000), "PB"
+		// Show in PB with 2 decimal places
+		return float64(int64((bytes / 1000 / 1000 / 1000 / 1000 / 1000) * 100)) / 100, "PB"
 	}
 }