Refactor folder structure

pkg/stats/stats.go

@@ -0,0 +1,58 @@
+package stats
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"time"
+)
+
+type Cache struct {
+	timestamp time.Time
+	data      string
+}
+
+var cache Cache
+
+// Get the size of the database and return as nearest human readable size.
+//
+//	e.g. 1.23 KiB, 4.56 MiB, 7.89 GiB, 0.12 TiB
+//	The size is cached for 10 minutes
+func GetDBSize() string {
+	// If cache is less than 10 minutes old, return cached data
+	if time.Since(cache.timestamp).Minutes() < 10 {
+		return cache.data
+	}
+
+	fileInfo, err := os.Stat("feedvault.db")
+	if err != nil {
+		log.Println("Error getting file info:", err)
+		return "0 B"
+	}
+
+	// Get the file size in bytes
+	fileSize := fileInfo.Size()
+
+	// Convert to human readable size and append the unit (KiB, MiB, GiB, TiB)
+	var size float64
+	if fileSize < 1024*1024 {
+		size = float64(fileSize) / 1024
+		cache.data = fmt.Sprintf("%.2f KiB", size)
+	} else if fileSize < 1024*1024*1024 {
+		size = float64(fileSize) / (1024 * 1024)
+		cache.data = fmt.Sprintf("%.2f MiB", size)
+	} else if fileSize < 1024*1024*1024*1024 {
+		size = float64(fileSize) / (1024 * 1024 * 1024)
+		cache.data = fmt.Sprintf("%.2f GiB", size)
+	} else {
+		size = float64(fileSize) / (1024 * 1024 * 1024 * 1024)
+		cache.data = fmt.Sprintf("%.2f TiB", size)
+	}
+
+	// Update cache timestamp
+	cache.timestamp = time.Now()
+
+	log.Println("Returning database size, it is", cache.data)
+
+	return cache.data
+}