137 lines
3.6 KiB
Go
137 lines
3.6 KiB
Go
package payment
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import (
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"encoding/json"
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"errors"
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"fmt"
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bizpayment "kra/internal/biz/payment"
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"net/url"
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"strings"
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"kra/internal/paymentkit"
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)
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func callbackFields(callback *bizpayment.PaymentCallback) map[string]string {
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fields := map[string]string{}
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if callback == nil {
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return fields
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}
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for key, value := range callback.Query {
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fields[key] = value
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}
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contentType := ""
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for key, value := range callback.Headers {
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if strings.EqualFold(key, "Content-Type") {
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contentType = strings.ToLower(value)
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break
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}
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}
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if strings.Contains(contentType, "application/x-www-form-urlencoded") {
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if values, err := url.ParseQuery(string(callback.Body)); err == nil {
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for key, value := range values {
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if len(value) > 0 {
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fields[key] = value[0]
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}
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}
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}
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}
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var object map[string]any
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if json.Unmarshal(callback.Body, &object) == nil {
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for key, value := range object {
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if stringValue, ok := value.(string); ok {
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fields[key] = stringValue
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}
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}
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}
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return fields
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}
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func first(values map[string]string, keys ...string) string {
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for _, key := range keys {
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if values[key] != "" {
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return values[key]
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}
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}
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return ""
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}
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func text(values map[string]any, key string) string {
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return paymentkit.Text(values, key)
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}
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func firstAny(values map[string]any, keys ...string) string {
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return paymentkit.FirstText(values, keys...)
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}
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// Compatibility shims keep channel adapters focused on protocol and
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// persistence concerns while stateless parsing rules live in paymentkit.
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func normalizePaymentStatus(value, fallback string) string {
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return paymentkit.NormalizeStatus(value, fallback)
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}
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func parseIntegerAmount(value string) (int64, error) {
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return paymentkit.ParseIntegerAmount(value)
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}
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func parseDecimalAmount(value string, scale int64) (int64, error) {
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return paymentkit.ParseDecimalAmount(value, scale)
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}
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func formatDecimalAmount(amount, scale int64) (string, error) {
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return paymentkit.FormatDecimalAmount(amount, scale)
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}
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func configuredInt64(values map[string]any, key string, fallback int64) int64 {
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return paymentkit.ConfiguredInt64(values, key, fallback)
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}
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func jsonObject(raw []byte) map[string]any {
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return paymentkit.JSONObject(raw)
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}
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func valueAtPath(value any, path string) any {
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return paymentkit.ValueAtPath(value, path)
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}
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func stringAtPath(value any, path string) string {
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return paymentkit.StringAtPath(value, path)
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}
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func configuredValues(values map[string]any, key string) []string {
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return paymentkit.ConfiguredValues(values, key)
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}
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func containsFold(values []string, value string) bool {
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return paymentkit.ContainsFold(values, value)
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}
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// parseConfiguredAmount reads a provider amount field using an explicit unit
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// conversion. Missing fields are reported separately so callers can avoid
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// manufacturing a complete breakdown from incomplete provider responses.
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func parseConfiguredAmount(object any, config map[string]any, fieldKey, scaleKey string, fallbackScale int64) (int64, bool, error) {
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path := strings.TrimSpace(text(config, fieldKey))
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if path == "" {
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return 0, false, nil
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}
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raw := valueAtPath(object, path)
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if raw == nil || strings.TrimSpace(fmt.Sprint(raw)) == "" || strings.EqualFold(strings.TrimSpace(fmt.Sprint(raw)), "<nil>") {
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return 0, false, nil
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}
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value := strings.TrimSpace(fmt.Sprint(raw))
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scale := configuredInt64(config, scaleKey, fallbackScale)
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if scale <= 0 {
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return 0, false, errors.New("支付金额换算比例无效")
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}
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amount, err := parseIntegerAmount(value)
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if scale != 1 {
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amount, err = parseDecimalAmount(value, scale)
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}
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if err != nil {
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return 0, true, err
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}
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if amount < 0 {
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return 0, true, errors.New("支付金额不能为负数")
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}
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return amount, true, nil
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}
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