拆分商品模块服务和处理器职责

2026-06-10 14:50:25 +08:00
parent 78cb681bec
commit 14d9601ef2
14 changed files with 1408 additions and 1323 deletions
@@ -0,0 +1,147 @@
+package listing
+
+import (
+	"encoding/json"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+var priceNumberPattern = regexp.MustCompile(`(\d+(?:\.\d+)?)`)
+
+type publishRules struct {
+	FireLevelMin int
+}
+
+func validateRequest(req CreateRequest, rules publishRules) error {
+	if strings.TrimSpace(req.Title) == "" {
+		return ErrMissingTitle
+	}
+	if strings.TrimSpace(req.ServerRegion) == "" {
+		return ErrMissingServerRegion
+	}
+	if normalizedListingPriceCent(req) <= 0 {
+		return ErrInvalidPrice
+	}
+	if req.DepositAmountCent < 0 {
+		return ErrInvalidDeposit
+	}
+	if consumables := consumableValue(req.AssetSummary); consumables > 0 && req.DepositAmountCent <= yuanToCent(consumables) {
+		return ErrDepositTooLow
+	}
+	if req.HafCoinAmount < 0 {
+		return ErrInvalidHafCoin
+	}
+	if !hasScreenshotURL(req.ScreenshotURLS) {
+		return ErrMissingScreenshot
+	}
+	if fireLevel, ok := readFireLevel(req.AssetSummary); ok && fireLevel < rules.FireLevelMin {
+		return FireLevelTooLowError{Min: rules.FireLevelMin}
+	}
+	return nil
+}
+
+func consumableValue(summary map[string]any) float64 {
+	if summary == nil {
+		return 0
+	}
+	rawResources, ok := summary["resources"]
+	if !ok {
+		return 0
+	}
+	resources, ok := rawResources.([]any)
+	if !ok {
+		return 0
+	}
+	total := 0.0
+	for _, raw := range resources {
+		resource, ok := raw.(map[string]any)
+		if !ok {
+			continue
+		}
+		mode, _ := resource["mode"].(string)
+		if strings.TrimSpace(mode) != "收费" {
+			continue
+		}
+		quantity := readSummaryFloat(resource["quantity"])
+		if quantity <= 0 {
+			continue
+		}
+		priceText, _ := resource["price"].(string)
+		total += quantity * readUnitPrice(priceText)
+	}
+	return roundMoney(total)
+}
+
+func readSummaryFloat(value any) float64 {
+	switch current := value.(type) {
+	case float64:
+		return current
+	case int:
+		return float64(current)
+	case int64:
+		return float64(current)
+	case json.Number:
+		parsed, err := current.Float64()
+		if err != nil {
+			return 0
+		}
+		return parsed
+	case string:
+		parsed, err := strconv.ParseFloat(strings.TrimSpace(current), 64)
+		if err != nil {
+			return 0
+		}
+		return parsed
+	default:
+		return 0
+	}
+}
+
+func readUnitPrice(priceText string) float64 {
+	numbers := priceNumberPattern.FindAllString(priceText, -1)
+	if len(numbers) == 0 {
+		return 0
+	}
+	amount, err := strconv.ParseFloat(numbers[0], 64)
+	if err != nil {
+		return 0
+	}
+	if len(numbers) >= 2 {
+		count, err := strconv.ParseFloat(numbers[1], 64)
+		if err == nil && count > 0 {
+			return amount / count
+		}
+	}
+	return amount
+}
+
+func readFireLevel(summary map[string]any) (int, bool) {
+	if summary == nil {
+		return 0, false
+	}
+	value, ok := summary["fire_level"]
+	if !ok {
+		return 0, false
+	}
+	switch current := value.(type) {
+	case float64:
+		return int(current), true
+	case int:
+		return current, true
+	case string:
+		parsed, err := strconv.Atoi(strings.TrimSpace(current))
+		return parsed, err == nil
+	default:
+		return 0, false
+	}
+}
+
+func hasScreenshotURL(urls []string) bool {
+	for _, url := range urls {
+		if strings.TrimSpace(url) != "" {
+			return true
+		}
+	}
+	return false
+}