chore: refresh gramsrv public release
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1274 changed files with 378751 additions and 59919 deletions
124
internal/app/stargifts/service.go
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124
internal/app/stargifts/service.go
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// Package stargifts 实现 Star 礼物应用服务:礼物目录(从 seed 合成、懒加载缓存)+ peer 收到的
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// 礼物实例 CRUD。扣费/退款/服务消息投递由 rpc 层编排(复用 Stars 账本 + SendPrivateText),
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// 本层只管目录与持久化。
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package stargifts
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import (
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"context"
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"sync"
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"telesrv/internal/domain"
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"telesrv/internal/store"
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)
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// CatalogProvider 合成礼物目录(app/files 实现)。
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type CatalogProvider interface {
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BuildStarGiftCatalog(ctx context.Context) ([]domain.StarGift, error)
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}
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// Service 是 Star 礼物应用服务。
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type Service struct {
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store store.StarGiftStore
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catalog CatalogProvider
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mu sync.Mutex
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built bool
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gifts []domain.StarGift
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byID map[int64]domain.StarGift
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hash int
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}
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// NewService 创建 Star 礼物服务。
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func NewService(st store.StarGiftStore, catalog CatalogProvider) *Service {
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return &Service{store: st, catalog: catalog}
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}
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// ensureCatalog 懒加载并缓存目录(静态数据,构建一次)。
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func (s *Service) ensureCatalog(ctx context.Context) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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if s.built {
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return nil
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}
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gifts, err := s.catalog.BuildStarGiftCatalog(ctx)
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if err != nil {
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return err
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}
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s.gifts = gifts
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s.byID = make(map[int64]domain.StarGift, len(gifts))
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for _, g := range gifts {
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s.byID[g.ID] = g
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}
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s.hash = domain.StarGiftCatalogHash(gifts)
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s.built = true
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return nil
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}
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// Catalog 返回礼物目录。
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func (s *Service) Catalog(ctx context.Context) ([]domain.StarGift, error) {
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if err := s.ensureCatalog(ctx); err != nil {
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return nil, err
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}
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s.mu.Lock()
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defer s.mu.Unlock()
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out := make([]domain.StarGift, len(s.gifts))
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copy(out, s.gifts)
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return out, nil
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}
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// CatalogHash 返回目录 hash(getStarGifts NotModified 判定)。
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func (s *Service) CatalogHash(ctx context.Context) (int, error) {
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if err := s.ensureCatalog(ctx); err != nil {
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return 0, err
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}
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.hash, nil
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}
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// GiftByID 返回目录中指定礼物,不存在返回 ok=false。
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func (s *Service) GiftByID(ctx context.Context, id int64) (domain.StarGift, bool, error) {
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if err := s.ensureCatalog(ctx); err != nil {
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return domain.StarGift{}, false, err
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}
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s.mu.Lock()
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defer s.mu.Unlock()
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g, ok := s.byID[id]
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return g, ok, nil
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}
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// RecordSavedGift 持久化一条收到的礼物实例,返回行 id。
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func (s *Service) RecordSavedGift(ctx context.Context, gift domain.SavedStarGift) (int64, error) {
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return s.store.Create(ctx, gift)
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}
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// ListSaved 分页返回某 owner 收到的礼物。
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func (s *Service) ListSaved(ctx context.Context, owner domain.Peer, excludeUnsaved bool, offset string, limit int) (domain.SavedStarGiftPage, error) {
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if len(offset) > domain.MaxStarGiftsOffsetBytes {
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offset = ""
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}
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if limit <= 0 || limit > domain.MaxSavedStarGiftsLimit {
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limit = domain.MaxSavedStarGiftsLimit
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}
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return s.store.ListByOwner(ctx, owner, excludeUnsaved, offset, limit)
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}
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// GetSaved 按协议引用取礼物实例。
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func (s *Service) GetSaved(ctx context.Context, ref domain.SavedStarGiftRef) (domain.SavedStarGift, bool, error) {
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return s.store.GetByRef(ctx, ref)
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}
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// CountSaved 返回某 owner 展示在资料的礼物数(full.stargifts_count)。
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func (s *Service) CountSaved(ctx context.Context, owner domain.Peer) (int, error) {
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return s.store.CountByOwner(ctx, owner)
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}
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// ToggleSaved 切换礼物在资料的展示(saveStarGift)。
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func (s *Service) ToggleSaved(ctx context.Context, ref domain.SavedStarGiftRef, unsaved bool) (bool, error) {
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return s.store.SetUnsaved(ctx, ref, unsaved)
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}
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// Convert 把礼物标记为已转换(convertStarGift),返回该行供调用方据 ConvertStars 入账。
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func (s *Service) Convert(ctx context.Context, ref domain.SavedStarGiftRef) (domain.SavedStarGift, error) {
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return s.store.MarkConverted(ctx, ref)
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}
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