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https://github.com/skidoodle/pastebin
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47 lines
884 B
Go
47 lines
884 B
Go
package handler
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import (
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"crypto/rand"
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"io"
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"time"
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)
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const charset = "abcdefghijklmnopqrstuvwxyz0123456789"
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func generateId() (string, error) {
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bytes := make([]byte, 10)
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if _, err := io.ReadFull(rand.Reader, bytes); err != nil {
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return "", err
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}
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for i := range bytes {
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bytes[i] = charset[bytes[i]%byte(len(charset))]
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}
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return string(bytes), nil
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}
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func TimeAgo(t time.Time) string {
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ago := time.Since(t)
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seconds := int(ago.Seconds())
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switch {
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case seconds < 60:
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return fmt.Sprintf("%ds ago", seconds)
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case seconds < 3600:
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return fmt.Sprintf("%dm ago", seconds/60)
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case seconds < 86400:
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return fmt.Sprintf("%dh ago", seconds/3600)
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default:
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return fmt.Sprintf("%dd ago", seconds/86400)
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}
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}
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func hash(content string) string {
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h := sha256.New()
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h.Write([]byte(content))
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return hex.EncodeToString(h.Sum(nil))
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}
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