推进活动系统最小成品闭环与游客体验
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300
backend/internal/service/map_experience_service.go
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300
backend/internal/service/map_experience_service.go
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package service
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import (
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"context"
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"net/http"
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"strings"
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"cmr-backend/internal/apperr"
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"cmr-backend/internal/store/postgres"
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)
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type MapExperienceService struct {
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store *postgres.Store
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}
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type ListExperienceMapsInput struct {
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Limit int
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}
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type ExperienceMapSummary struct {
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PlaceID string `json:"placeId"`
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PlaceName string `json:"placeName"`
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MapID string `json:"mapId"`
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MapName string `json:"mapName"`
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CoverURL *string `json:"coverUrl,omitempty"`
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Summary *string `json:"summary,omitempty"`
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DefaultExperienceCount int `json:"defaultExperienceCount"`
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DefaultExperienceEventIDs []string `json:"defaultExperienceEventIds"`
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}
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type ExperienceMapDetail struct {
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PlaceID string `json:"placeId"`
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PlaceName string `json:"placeName"`
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MapID string `json:"mapId"`
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MapName string `json:"mapName"`
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CoverURL *string `json:"coverUrl,omitempty"`
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Summary *string `json:"summary,omitempty"`
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TileBaseURL *string `json:"tileBaseUrl,omitempty"`
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TileMetaURL *string `json:"tileMetaUrl,omitempty"`
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DefaultExperienceCount int `json:"defaultExperienceCount"`
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DefaultExperiences []ExperienceEventSummary `json:"defaultExperiences"`
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}
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type ExperienceEventSummary struct {
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EventID string `json:"eventId"`
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Title string `json:"title"`
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Subtitle *string `json:"subtitle,omitempty"`
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EventType *string `json:"eventType,omitempty"`
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Status string `json:"status"`
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StatusCode string `json:"statusCode"`
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CTAText string `json:"ctaText"`
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IsDefaultExperience bool `json:"isDefaultExperience"`
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ShowInEventList bool `json:"showInEventList"`
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CurrentPresentation *PresentationSummaryView `json:"currentPresentation,omitempty"`
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CurrentContentBundle *ContentBundleSummaryView `json:"currentContentBundle,omitempty"`
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}
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func NewMapExperienceService(store *postgres.Store) *MapExperienceService {
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return &MapExperienceService{store: store}
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}
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func (s *MapExperienceService) ListMaps(ctx context.Context, input ListExperienceMapsInput) ([]ExperienceMapSummary, error) {
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rows, err := s.store.ListMapExperienceRows(ctx, input.Limit)
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if err != nil {
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return nil, err
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}
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return mapExperienceSummaries(rows), nil
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}
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func (s *MapExperienceService) GetMapDetail(ctx context.Context, mapPublicID string) (*ExperienceMapDetail, error) {
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mapPublicID = strings.TrimSpace(mapPublicID)
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if mapPublicID == "" {
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return nil, apperr.New(http.StatusBadRequest, "invalid_map_id", "map id is required")
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}
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rows, err := s.store.ListMapExperienceRowsByMapPublicID(ctx, mapPublicID)
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if err != nil {
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return nil, err
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}
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if len(rows) == 0 {
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return nil, apperr.New(http.StatusNotFound, "map_not_found", "map not found")
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}
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return buildMapExperienceDetail(rows), nil
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}
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func mapExperienceSummaries(rows []postgres.MapExperienceRow) []ExperienceMapSummary {
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ordered := make([]string, 0, len(rows))
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index := make(map[string]*ExperienceMapSummary)
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for _, row := range rows {
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item, ok := index[row.MapAssetPublicID]
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if !ok {
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summary := &ExperienceMapSummary{
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PlaceID: row.PlacePublicID,
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PlaceName: row.PlaceName,
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MapID: row.MapAssetPublicID,
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MapName: row.MapAssetName,
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CoverURL: row.MapCoverURL,
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Summary: normalizeOptionalText(row.MapSummary),
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DefaultExperienceEventIDs: []string{},
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}
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index[row.MapAssetPublicID] = summary
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ordered = append(ordered, row.MapAssetPublicID)
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item = summary
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}
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if row.EventPublicID != nil && row.EventIsDefaultExperience {
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if !containsString(item.DefaultExperienceEventIDs, *row.EventPublicID) {
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item.DefaultExperienceEventIDs = append(item.DefaultExperienceEventIDs, *row.EventPublicID)
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item.DefaultExperienceCount++
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}
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}
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}
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result := make([]ExperienceMapSummary, 0, len(ordered))
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for _, id := range ordered {
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result = append(result, *index[id])
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}
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return result
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}
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func buildMapExperienceDetail(rows []postgres.MapExperienceRow) *ExperienceMapDetail {
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first := rows[0]
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result := &ExperienceMapDetail{
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PlaceID: first.PlacePublicID,
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PlaceName: first.PlaceName,
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MapID: first.MapAssetPublicID,
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MapName: first.MapAssetName,
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CoverURL: first.MapCoverURL,
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Summary: normalizeOptionalText(first.MapSummary),
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TileBaseURL: first.TileBaseURL,
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TileMetaURL: first.TileMetaURL,
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DefaultExperiences: make([]ExperienceEventSummary, 0, 4),
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}
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seen := make(map[string]struct{})
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for _, row := range rows {
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if row.EventPublicID == nil || !row.EventIsDefaultExperience {
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continue
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}
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if _, ok := seen[*row.EventPublicID]; ok {
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continue
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}
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seen[*row.EventPublicID] = struct{}{}
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result.DefaultExperiences = append(result.DefaultExperiences, buildExperienceEventSummary(row))
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}
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result.DefaultExperienceCount = len(result.DefaultExperiences)
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return result
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}
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func buildExperienceEventSummary(row postgres.MapExperienceRow) ExperienceEventSummary {
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statusCode, statusText := deriveExperienceEventStatus(row)
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return ExperienceEventSummary{
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EventID: valueOrEmpty(row.EventPublicID),
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Title: fallbackText(row.EventDisplayName, "未命名活动"),
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Subtitle: normalizeOptionalText(row.EventSummary),
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EventType: deriveExperienceEventType(row),
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Status: statusText,
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StatusCode: statusCode,
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CTAText: deriveExperienceEventCTA(statusCode, row.EventIsDefaultExperience),
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IsDefaultExperience: row.EventIsDefaultExperience,
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ShowInEventList: row.EventShowInEventList,
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CurrentPresentation: buildPresentationSummaryFromMapExperienceRow(row),
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CurrentContentBundle: buildContentBundleSummaryFromMapExperienceRow(row),
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}
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}
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func deriveExperienceEventStatus(row postgres.MapExperienceRow) (string, string) {
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if row.EventStatus == nil {
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return "pending", "状态待确认"
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}
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switch strings.TrimSpace(*row.EventStatus) {
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case "active":
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if row.EventReleasePayloadJSON == nil || strings.TrimSpace(*row.EventReleasePayloadJSON) == "" {
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return "upcoming", "即将开始"
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}
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if row.EventPresentationID == nil || row.EventContentBundleID == nil {
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return "upcoming", "即将开始"
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}
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return "running", "进行中"
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case "archived", "disabled", "inactive":
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return "ended", "已结束"
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default:
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return "pending", "状态待确认"
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}
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}
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func deriveExperienceEventCTA(statusCode string, isDefault bool) string {
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if isDefault {
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return "进入体验"
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}
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switch statusCode {
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case "running":
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return "进入活动"
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case "ended":
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return "查看回顾"
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default:
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return "查看详情"
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}
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}
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func deriveExperienceEventType(row postgres.MapExperienceRow) *string {
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if row.EventReleasePayloadJSON != nil {
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payload, err := decodeJSONObject(*row.EventReleasePayloadJSON)
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if err == nil {
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if game, ok := payload["game"].(map[string]any); ok {
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if rawMode, ok := game["mode"].(string); ok {
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switch strings.TrimSpace(rawMode) {
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case "classic-sequential":
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text := "顺序赛"
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return &text
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case "score-o":
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text := "积分赛"
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return &text
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}
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}
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}
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if plan := resolveVariantPlan(row.EventReleasePayloadJSON); plan.AssignmentMode != nil && *plan.AssignmentMode == AssignmentModeManual {
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text := "多赛道"
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return &text
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}
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}
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}
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if row.EventIsDefaultExperience {
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text := "体验活动"
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return &text
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}
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return nil
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}
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func buildPresentationSummaryFromMapExperienceRow(row postgres.MapExperienceRow) *PresentationSummaryView {
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if row.EventPresentationID == nil {
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return nil
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}
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summary := &PresentationSummaryView{
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PresentationID: *row.EventPresentationID,
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Name: row.EventPresentationName,
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PresentationType: row.EventPresentationType,
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}
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if row.EventPresentationSchema != nil && strings.TrimSpace(*row.EventPresentationSchema) != "" {
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if schema, err := decodeJSONObject(*row.EventPresentationSchema); err == nil {
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summary.TemplateKey = readStringField(schema, "templateKey")
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summary.Version = readStringField(schema, "version")
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}
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}
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return summary
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}
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func buildContentBundleSummaryFromMapExperienceRow(row postgres.MapExperienceRow) *ContentBundleSummaryView {
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if row.EventContentBundleID == nil {
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return nil
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}
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summary := &ContentBundleSummaryView{
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ContentBundleID: *row.EventContentBundleID,
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Name: row.EventContentBundleName,
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EntryURL: row.EventContentEntryURL,
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AssetRootURL: row.EventContentAssetRootURL,
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}
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if row.EventContentMetadataJSON != nil && strings.TrimSpace(*row.EventContentMetadataJSON) != "" {
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if metadata, err := decodeJSONObject(*row.EventContentMetadataJSON); err == nil {
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summary.BundleType = readStringField(metadata, "bundleType")
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summary.Version = readStringField(metadata, "version")
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}
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}
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return summary
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}
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func normalizeOptionalText(value *string) *string {
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if value == nil {
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return nil
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}
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trimmed := strings.TrimSpace(*value)
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if trimmed == "" {
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return nil
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}
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return &trimmed
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}
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func fallbackText(value *string, fallback string) string {
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if value == nil {
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return fallback
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}
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trimmed := strings.TrimSpace(*value)
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if trimmed == "" {
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return fallback
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}
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return trimmed
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}
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func valueOrEmpty(value *string) string {
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if value == nil {
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return ""
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}
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return *value
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}
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func containsString(values []string, target string) bool {
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for _, item := range values {
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if item == target {
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return true
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}
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}
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return false
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}
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