97 lines
3.1 KiB
Go
97 lines
3.1 KiB
Go
package files
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import (
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"context"
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"fmt"
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"telesrv/internal/domain"
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)
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// Star gift 目录：从已 seed 的 animated_emoji 集按 emoticon 精选贴纸文档合成（复用文档行与
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// blob，不复制字节），镜像 EnsureDefaultEmojiStatusSet。目录是静态的，不入库。
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// 礼物 ID 取明显隔离的常量段避免撞键。
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const starGiftIDBase int64 = 8_888_000_000_000_000
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type starGiftSeed struct {
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id int64
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emoticon string
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stars int64
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title string
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}
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// starGiftSeeds 是固定礼物目录（emoticon 需在 animated_emoji 集里，否则该礼物被跳过）。
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// convert_stars = stars（v1 全额转换，视作用新购 Stars 买入）。
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var starGiftSeeds = []starGiftSeed{
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{starGiftIDBase + 1, "❤", 15, "Heart"},
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{starGiftIDBase + 2, "\U0001f382", 50, "Cake"}, // 🎂
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{starGiftIDBase + 3, "\U0001f389", 100, "Party"}, // 🎉
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{starGiftIDBase + 4, "\U0001f525", 250, "Fire"}, // 🔥
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{starGiftIDBase + 5, "\U0001f3c6", 500, "Trophy"}, // 🏆
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{starGiftIDBase + 6, "\U0001f48e", 1000, "Diamond"}, // 💎
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{starGiftIDBase + 7, "\U0001f680", 2500, "Rocket"}, // 🚀
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}
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// BuildStarGiftCatalog 合成可购买礼物目录：解析每个 seed emoticon 的贴纸文档，跳过未 seed 的。
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// animated_emoji 未 seed 时返回空目录（客户端显示空礼物面板，购买流仍可对已知 gift_id 工作）。
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func (s *Service) BuildStarGiftCatalog(ctx context.Context) ([]domain.StarGift, error) {
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source, found, err := s.media.GetStickerSetBySystemKey(ctx, "animated_emoji")
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if err != nil {
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return nil, fmt.Errorf("lookup animated_emoji set for star gifts: %w", err)
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}
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if !found || len(source.Packs) == 0 {
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return nil, nil
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}
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byEmoticon := make(map[string]int64, len(source.Packs))
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for _, pack := range source.Packs {
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key := normalizeStatusEmoticon(pack.Emoticon)
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if key == "" || len(pack.DocumentIDs) == 0 {
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continue
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}
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if _, ok := byEmoticon[key]; !ok {
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byEmoticon[key] = pack.DocumentIDs[0]
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}
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}
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// 收集要加载的文档 id（去重）。
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docIDs := make([]int64, 0, len(starGiftSeeds))
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chosen := make([]starGiftSeed, 0, len(starGiftSeeds))
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seen := make(map[int64]struct{})
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for _, seed := range starGiftSeeds {
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id, ok := byEmoticon[normalizeStatusEmoticon(seed.emoticon)]
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if !ok || id == 0 {
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continue
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}
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chosen = append(chosen, seed)
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if _, dup := seen[id]; !dup {
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seen[id] = struct{}{}
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docIDs = append(docIDs, id)
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}
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}
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if len(chosen) == 0 {
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return nil, nil
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}
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docs, err := s.media.GetDocuments(ctx, docIDs)
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if err != nil {
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return nil, fmt.Errorf("load star gift sticker documents: %w", err)
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}
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docByID := make(map[int64]domain.Document, len(docs))
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for _, d := range docs {
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docByID[d.ID] = d
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}
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catalog := make([]domain.StarGift, 0, len(chosen))
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for _, seed := range chosen {
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id := byEmoticon[normalizeStatusEmoticon(seed.emoticon)]
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doc, ok := docByID[id]
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if !ok || doc.ID == 0 {
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continue
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}
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catalog = append(catalog, domain.StarGift{
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ID: seed.id,
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Stars: seed.stars,
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ConvertStars: seed.stars,
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Title: seed.title,
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Sticker: doc,
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})
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}
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return catalog, nil
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}
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