Eli Ribble
b35c9496b6
At this point it also appears that I'm correctly capturing the GPS location as both PostGIS data and as an H3 cell.
33 lines
822 B
Go
33 lines
822 B
Go
package publicreport
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"fmt"
|
|
"math/big"
|
|
"strings"
|
|
)
|
|
|
|
// GenerateReportID creates a 12-character random string using only unambiguous
|
|
// capital letters and numbers
|
|
func GenerateReportID() (string, error) {
|
|
// Define character set (no O, I, Z to avoid confusion)
|
|
const charset = "ABCDEFGHJKLMNPQRSTUVWXY0123456789"
|
|
const length = 12
|
|
|
|
var builder strings.Builder
|
|
builder.Grow(length)
|
|
|
|
// Use crypto/rand for secure randomness
|
|
for i := 0; i < length; i++ {
|
|
// Generate a random index within our charset
|
|
n, err := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
|
|
if err != nil {
|
|
return "", fmt.Errorf("failed to generate random number: %w", err)
|
|
}
|
|
|
|
// Add the randomly selected character to our ID
|
|
builder.WriteByte(charset[n.Int64()])
|
|
}
|
|
|
|
return builder.String(), nil
|
|
}
|