Files
core/internal/api/helpers.go

86 lines
1.8 KiB
Go

package api
import (
"encoding/json"
"io"
"net/http"
"regexp"
"strconv"
"strings"
"time"
)
var entityIDPattern = regexp.MustCompile(`^[A-Z]{2,3}-[0-9]{7}$`)
func parseID(path, prefix string) (string, bool) {
if !strings.HasPrefix(path, prefix) {
return "", false
}
trimmed := strings.TrimPrefix(path, prefix)
if trimmed == "" || strings.Contains(trimmed, "/") {
return "", false
}
if !entityIDPattern.MatchString(trimmed) {
return "", false
}
return trimmed, true
}
func parseSubresourceID(path, prefix, suffix string) (string, bool) {
if !strings.HasPrefix(path, prefix) || !strings.HasSuffix(path, suffix) {
return "", false
}
trimmed := strings.TrimPrefix(path, prefix)
trimmed = strings.TrimSuffix(trimmed, suffix)
if trimmed == "" || strings.Contains(trimmed, "/") {
return "", false
}
if !entityIDPattern.MatchString(trimmed) {
return "", false
}
return trimmed, true
}
func decodeJSON(r *http.Request, dest any) error {
decoder := json.NewDecoder(r.Body)
decoder.DisallowUnknownFields()
if err := decoder.Decode(dest); err != nil {
return err
}
if err := decoder.Decode(&struct{}{}); err != io.EOF {
return err
}
return nil
}
func writeJSON(w http.ResponseWriter, status int, payload any) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(status)
_ = json.NewEncoder(w).Encode(payload)
}
func writeError(w http.ResponseWriter, status int, message string) {
writeJSON(w, status, map[string]string{"error": message})
}
func parseTimeParam(value string) (time.Time, error) {
return time.Parse(time.RFC3339, value)
}
func parseIntParam(value string) (int, error) {
parsed, err := strconv.Atoi(value)
if err != nil {
return 0, err
}
return parsed, nil
}
func parseFloatParam(value string) (float64, error) {
return strconv.ParseFloat(value, 64)
}