feedvault.se/stats.go
2024-02-05 02:47:20 +01:00

58 lines
1.3 KiB
Go

package main
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
}