38 lines
640 B
Go
38 lines
640 B
Go
package cacher
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import (
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"fmt"
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"os"
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"time"
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)
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func (c *Cacher) cleanup() error {
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for c.currentSize > c.maxSize && len(c.items) > 0 {
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var (
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itemKey string
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itemSize int64
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oldestTime time.Time
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)
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for key, item := range c.items {
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if itemKey == "" || item.Updated.Before(oldestTime) {
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itemKey = key
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oldestTime = item.Updated
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itemSize = item.Size
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}
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}
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if itemKey != "" {
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err := os.Remove(c.items[itemKey].Path)
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if err != nil {
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return fmt.Errorf("%w: %w (%w)", ErrCacher, ErrFailedToDeleteCachedFile, err)
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}
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delete(c.items, itemKey)
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c.currentSize -= itemSize
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}
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}
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return nil
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}
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