40 lines
851 B
Go
40 lines
851 B
Go
package persistence
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import (
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"errors"
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"fmt"
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"os"
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"regexp"
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"strings"
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)
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var NotInDatabase = errors.New("Not in database")
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type ErrNotInDatabase struct {
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Table string
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Value interface{}
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}
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func (err ErrNotInDatabase) Error() string {
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return fmt.Sprintf("Not in database: %s %q", err.Table, err.Value)
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}
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// DUPE 1
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func file_exists(path string) bool {
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_, err := os.Stat(path)
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if err == nil {
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return true
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} else if errors.Is(err, os.ErrNotExist) {
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return false
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} else {
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panic(err)
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}
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}
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// https://stackoverflow.com/questions/56616196/how-to-convert-camel-case-string-to-snake-case#56616250
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func ToSnakeCase(str string) string {
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snake := regexp.MustCompile("(.)_?([A-Z][a-z]+)").ReplaceAllString(str, "${1}_${2}")
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snake = regexp.MustCompile("([a-z0-9])_?([A-Z])").ReplaceAllString(snake, "${1}_${2}")
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return strings.ToLower(snake)
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}
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