389 lines
10 KiB
Go
389 lines
10 KiB
Go
package listing
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import (
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"encoding/json"
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"math"
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"net/url"
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"strconv"
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"strings"
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"hfb_sys/backend/internal/model"
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"hfb_sys/backend/pkg/money"
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"gorm.io/datatypes"
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)
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type listingRow struct {
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model.RentalListing
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Title string
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OwnerPhone string
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OwnerNickname string
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Description string
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GameName string
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ServerRegion string
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LoginPlatform string
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RankLevel string
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HafCoinAmount int64
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AssetSummary datatypes.JSON `gorm:"column:asset_summary"`
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ScreenshotURLS datatypes.JSON `gorm:"column:screenshot_urls"`
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}
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func rowsToDTO(rows []listingRow) []ListingDTO {
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items := make([]ListingDTO, 0, len(rows))
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for _, row := range rows {
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items = append(items, row.toDTO())
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}
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return items
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}
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func normalizedListingPriceCent(req CreateRequest) int64 {
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if req.AssetSummary != nil {
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if breakdown, ok := req.AssetSummary["price_breakdown"].(map[string]any); ok {
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buyerPrice := readSummaryNumber(breakdown["buyer_total_price"])
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if buyerPrice > 0 {
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return yuanToCent(buyerPrice)
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}
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}
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}
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return req.PriceCent
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}
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func publicListings(items []ListingDTO) []ListingDTO {
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for index := range items {
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applyPublicListingURLs(&items[index])
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}
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return items
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}
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func sellerListings(items []ListingDTO) []ListingDTO {
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for index := range items {
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applySellerListingPrice(&items[index])
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}
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return items
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}
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func applyPublicListingURLs(item *ListingDTO) {
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item.ScreenshotURLS = publicScreenshotURLs(item.ID, item.ScreenshotURLS, item.Status, item.ReviewStatus)
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if item.AssetSummary != nil {
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delete(item.AssetSummary, "price_breakdown")
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}
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}
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func applySellerListingPrice(item *ListingDTO) {
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if item == nil || item.AssetSummary == nil {
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return
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}
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breakdown, ok := item.AssetSummary["price_breakdown"].(map[string]any)
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if !ok {
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return
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}
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sellerPrice := readSummaryNumber(breakdown["seller_total_price"])
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if sellerPrice > 0 {
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item.PriceCent = int64(math.Round(sellerPrice * 100))
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}
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sellerRatio := readSummaryNumber(breakdown["seller_ratio"])
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if sellerRatio > 0 {
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item.AssetSummary["publish_ratio"] = sellerRatio
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}
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delete(breakdown, "buyer_coin_base_price")
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delete(breakdown, "buyer_total_price")
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delete(breakdown, "buyer_ratio")
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delete(breakdown, "platform_markup_amount")
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delete(breakdown, "platform_rule_type")
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}
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func (row listingRow) toDTO() ListingDTO {
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assetSummary := decodeAssetSummary(row.AssetSummary)
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screenshotURLS := cleanScreenshotURLs(decodeScreenshots(row.ScreenshotURLS))
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reviewStatus, reviewReason := normalizedReviewState(row.Status, row.ReviewStatus, row.ReviewReason)
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return ListingDTO{
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ID: row.ID,
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ListingNo: row.ListingNo,
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AccountID: row.AccountID,
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OwnerID: row.OwnerID,
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OwnerPhone: row.OwnerPhone,
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OwnerNickname: row.OwnerNickname,
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Title: row.Title,
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Description: row.Description,
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GameName: row.GameName,
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ServerRegion: row.ServerRegion,
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LoginPlatform: row.LoginPlatform,
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RankLevel: row.RankLevel,
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HafCoinAmount: row.HafCoinAmount,
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AssetSummary: assetSummary,
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ScreenshotURLS: screenshotURLS,
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CoverURL: publicCoverURL(row.ID, screenshotURLS, row.Status, row.ReviewStatus),
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PriceCent: row.PriceCent,
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DepositAmountCent: row.DepositAmountCent,
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IsAccelerated: isAcceleratedSale(assetSummary),
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InTransaction: row.InTransaction,
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Status: row.Status,
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ReviewStatus: reviewStatus,
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ReviewReason: reviewReason,
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PublishedAt: row.PublishedAt,
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CreatedAt: row.CreatedAt,
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UpdatedAt: row.UpdatedAt,
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}
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}
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func toDTO(account model.GameAccount, listing model.RentalListing) *ListingDTO {
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assetSummary := decodeAssetSummary(account.AssetSummary)
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screenshotURLS := cleanScreenshotURLs(decodeScreenshots(account.ScreenshotURLS))
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reviewStatus, reviewReason := normalizedReviewState(listing.Status, listing.ReviewStatus, listing.ReviewReason)
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return &ListingDTO{
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ID: listing.ID,
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ListingNo: listing.ListingNo,
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AccountID: account.ID,
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OwnerID: listing.OwnerID,
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Title: account.Title,
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Description: account.Description,
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GameName: account.GameName,
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ServerRegion: account.ServerRegion,
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LoginPlatform: account.LoginPlatform,
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RankLevel: account.RankLevel,
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HafCoinAmount: account.HafCoinAmount,
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AssetSummary: assetSummary,
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ScreenshotURLS: screenshotURLS,
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CoverURL: publicCoverURL(listing.ID, screenshotURLS, listing.Status, listing.ReviewStatus),
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PriceCent: listing.PriceCent,
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DepositAmountCent: listing.DepositAmountCent,
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IsAccelerated: isAcceleratedSale(assetSummary),
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InTransaction: listing.InTransaction,
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Status: listing.Status,
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ReviewStatus: reviewStatus,
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ReviewReason: reviewReason,
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PublishedAt: listing.PublishedAt,
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CreatedAt: listing.CreatedAt,
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UpdatedAt: listing.UpdatedAt,
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}
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}
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func normalizedReviewState(status string, reviewStatus string, reviewReason string) (string, string) {
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if status == "offline" {
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return "none", reviewReason
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}
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return reviewStatus, reviewReason
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}
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func marshalScreenshots(urls []string) (datatypes.JSON, error) {
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cleaned := cleanScreenshotURLs(urls)
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if len(cleaned) > 12 {
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cleaned = cleaned[:12]
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}
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raw, err := json.Marshal(cleaned)
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if err != nil {
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return nil, err
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}
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return datatypes.JSON(raw), nil
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}
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func marshalAssetSummary(summary map[string]any) (datatypes.JSON, error) {
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if summary == nil {
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return nil, nil
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}
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raw, err := json.Marshal(summary)
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if err != nil {
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return nil, err
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}
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return datatypes.JSON(raw), nil
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}
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func decodeScreenshots(raw datatypes.JSON) []string {
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if len(raw) == 0 {
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return []string{}
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}
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var urls []string
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if err := json.Unmarshal(raw, &urls); err != nil {
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return []string{}
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}
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return urls
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}
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func decodeAssetSummary(raw datatypes.JSON) map[string]any {
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if len(raw) == 0 {
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return nil
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}
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var summary map[string]any
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if err := json.Unmarshal(raw, &summary); err != nil {
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return nil
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}
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return summary
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}
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func isAcceleratedSale(summary map[string]any) bool {
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if summary == nil {
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return false
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}
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breakdown, ok := summary["price_breakdown"].(map[string]any)
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if !ok {
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return false
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}
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referenceRatio := readSummaryNumber(breakdown["seller_reference_ratio"])
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sellerRatio := readSummaryNumber(breakdown["seller_ratio"])
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acceleratedRatio := readSummaryNumber(breakdown["accelerated_sale_ratio"])
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if referenceRatio <= 0 {
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return false
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}
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return sellerRatio > referenceRatio || acceleratedRatio > referenceRatio
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}
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func readSummaryNumber(value any) float64 {
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switch typed := value.(type) {
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case float64:
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return typed
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case float32:
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return float64(typed)
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case int:
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return float64(typed)
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case int64:
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return float64(typed)
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case json.Number:
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number, err := typed.Float64()
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if err != nil {
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return 0
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}
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return number
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case string:
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number, err := strconv.ParseFloat(strings.TrimSpace(typed), 64)
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if err != nil {
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return 0
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}
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return number
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default:
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return 0
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}
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}
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func ensurePriceBreakdown(summary map[string]any) map[string]any {
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if summary == nil {
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return map[string]any{}
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}
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breakdown, ok := summary["price_breakdown"].(map[string]any)
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if ok {
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return breakdown
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}
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breakdown = map[string]any{}
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if raw, ok := summary["price_breakdown"].(map[string]interface{}); ok {
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for key, value := range raw {
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breakdown[key] = value
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}
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}
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return breakdown
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}
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func calculateAdminAdjustedPrice(req AdminPriceAdjustRequest, coinWan float64, consumablePrice float64) (float64, float64, float64) {
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if req.BuyerTotalPriceCent > 0 {
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buyerTotalPrice := roundMoney(centToYuan(req.BuyerTotalPriceCent))
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buyerCoinBasePrice := roundMoney(buyerTotalPrice - consumablePrice)
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if buyerCoinBasePrice <= 0 || coinWan <= 0 {
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return 0, 0, 0
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}
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return buyerCoinBasePrice, buyerTotalPrice, roundRatio(coinWan / buyerCoinBasePrice)
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}
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if req.BuyerRatio <= 0 || coinWan <= 0 {
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return 0, 0, 0
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}
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buyerCoinBasePrice := roundMoney(coinWan / req.BuyerRatio)
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buyerTotalPrice := roundMoney(buyerCoinBasePrice + consumablePrice)
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return buyerCoinBasePrice, buyerTotalPrice, roundRatio(coinWan / buyerCoinBasePrice)
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}
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func roundRatio(value float64) float64 {
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if value <= 0 || math.IsNaN(value) || math.IsInf(value, 0) {
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return 0
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}
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return math.Round(value*10) / 10
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}
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func yuanToCent(value float64) int64 {
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return int64(math.Round(roundMoney(value) * 100))
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}
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func centToYuan(value int64) float64 {
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return float64(value) / 100
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}
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func cleanScreenshotURLs(urls []string) []string {
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cleaned := make([]string, 0, len(urls))
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seen := make(map[string]struct{}, len(urls))
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for _, fileURL := range urls {
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fileURL = normalizeDefaultScreenshotURL(strings.TrimSpace(fileURL))
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if fileURL == "" {
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continue
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}
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if _, ok := seen[fileURL]; ok {
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continue
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}
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seen[fileURL] = struct{}{}
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cleaned = append(cleaned, fileURL)
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}
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return cleaned
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}
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// normalizeDefaultScreenshotURL 把历史默认图地址升级到当前版本，避免浏览器继续吃旧 SVG 缓存。
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func normalizeDefaultScreenshotURL(fileURL string) string {
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if fileURL == "" {
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return ""
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}
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switch {
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case fileURL == "/api/listings/default-upload-screenshot",
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strings.HasPrefix(fileURL, "/api/listings/default-upload-screenshot?"):
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return defaultUploadScreenshot
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default:
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return fileURL
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}
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}
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func firstScreenshotURL(urls []string) string {
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if len(urls) == 0 {
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return ""
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}
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return urls[0]
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}
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func publicCoverURL(listingID uint64, urls []string, status string, reviewStatus string) string {
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fallback := firstScreenshotURL(urls)
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if status != "published" || reviewStatus != "approved" || extractListingObjectKey(fallback) == "" {
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return fallback
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}
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return "/api/listings/" + strconv.FormatUint(listingID, 10) + "/cover"
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}
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func publicScreenshotURLs(listingID uint64, urls []string, status string, reviewStatus string) []string {
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if status != "published" || reviewStatus != "approved" {
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return urls
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}
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publicURLs := make([]string, 0, len(urls))
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for index, fileURL := range urls {
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if extractListingObjectKey(fileURL) == "" {
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publicURLs = append(publicURLs, fileURL)
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continue
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}
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publicURLs = append(publicURLs, "/api/listings/"+strconv.FormatUint(listingID, 10)+"/screenshots/"+strconv.Itoa(index))
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}
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return publicURLs
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}
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func extractListingObjectKey(fileURL string) string {
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if fileURL == "" {
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return ""
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}
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parsed, err := url.Parse(fileURL)
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if err != nil {
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return ""
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}
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key := parsed.Query().Get("key")
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if key == "" {
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return ""
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}
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if !strings.HasPrefix(key, "listing/") || strings.Contains(key, "..") {
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return ""
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}
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return key
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}
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// roundMoney 使用统一的角精度（0.1元）
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func roundMoney(value float64) float64 {
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return money.Round(value)
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}
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