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