owpengram-server/internal/store/memory/star_gift.go

938 lines
29 KiB
Go

package memory
import (
"context"
"math/rand/v2"
"sort"
"strings"
"sync"
"telesrv/internal/domain"
)
// StarGiftStore 是 store.StarGiftStore 的内存实现。
type StarGiftStore struct {
mu sync.Mutex
nextID int64
nextGiftID int64
nextRevID int64
gifts []domain.SavedStarGift // 追加序
catalog map[int64]domain.StarGift
revisions map[int64]domain.StarGift
enabled map[int64]bool
sortOrder map[int64]int
animations map[int64][]byte
collectibles map[int64]domain.StarGiftCollectibleRevision
uniqueByID map[int64]domain.UniqueStarGift
uniqueBySlug map[string]int64
collections map[domain.Peer][]domain.StarGiftCollection
nextAttributeID int64
nextCollectionID int
}
// NewStarGiftStore 创建内存 StarGiftStore。
func NewStarGiftStore() *StarGiftStore {
return &StarGiftStore{
catalog: make(map[int64]domain.StarGift), revisions: make(map[int64]domain.StarGift),
enabled: make(map[int64]bool), sortOrder: make(map[int64]int), animations: make(map[int64][]byte),
collectibles: make(map[int64]domain.StarGiftCollectibleRevision),
uniqueByID: make(map[int64]domain.UniqueStarGift), uniqueBySlug: make(map[string]int64),
collections: make(map[domain.Peer][]domain.StarGiftCollection),
}
}
// SeedCatalog installs valid immutable catalog snapshots for tests.
func (s *StarGiftStore) SeedCatalog(gifts []domain.StarGift) {
s.mu.Lock()
defer s.mu.Unlock()
for _, gift := range gifts {
if gift.RevisionID == 0 {
s.nextRevID++
gift.RevisionID = s.nextRevID
}
if gift.ID > s.nextGiftID {
s.nextGiftID = gift.ID
}
if gift.RevisionID > s.nextRevID {
s.nextRevID = gift.RevisionID
}
s.catalog[gift.ID] = gift
s.revisions[gift.RevisionID] = gift
s.enabled[gift.ID] = true
}
}
func (s *StarGiftStore) Catalog(_ context.Context) ([]domain.StarGift, error) {
s.mu.Lock()
defer s.mu.Unlock()
out := make([]domain.StarGift, 0, len(s.catalog))
for id, gift := range s.catalog {
if s.enabled[id] {
out = append(out, gift)
}
}
sort.Slice(out, func(i, j int) bool {
if s.sortOrder[out[i].ID] == s.sortOrder[out[j].ID] {
return out[i].ID < out[j].ID
}
return s.sortOrder[out[i].ID] < s.sortOrder[out[j].ID]
})
return out, nil
}
func (s *StarGiftStore) CatalogGift(_ context.Context, giftID int64) (domain.StarGift, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
gift, ok := s.catalog[giftID]
return gift, ok && s.enabled[giftID], nil
}
func (s *StarGiftStore) CatalogRevision(_ context.Context, revisionID int64) (domain.StarGift, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
gift, ok := s.revisions[revisionID]
return gift, ok, nil
}
func (s *StarGiftStore) CreateCatalogRevision(_ context.Context, write domain.StarGiftCatalogWrite) (domain.StarGiftCatalogEntry, error) {
s.mu.Lock()
defer s.mu.Unlock()
return s.createCatalogRevisionLocked(write)
}
func (s *StarGiftStore) createCatalogRevisionLocked(write domain.StarGiftCatalogWrite) (domain.StarGiftCatalogEntry, error) {
giftID := write.GiftID
if giftID == 0 {
s.nextGiftID++
giftID = s.nextGiftID
} else if _, ok := s.catalog[giftID]; !ok {
return domain.StarGiftCatalogEntry{}, domain.ErrStarGiftNotFound
}
s.nextRevID++
gift := domain.StarGift{
ID: giftID, RevisionID: s.nextRevID, Stars: write.Stars, ConvertStars: write.ConvertStars,
Title: write.Title, Sticker: write.Document,
Limited: write.Limited, SoldOut: write.SoldOut, Birthday: write.Birthday,
RequirePremium: write.RequirePremium, LimitedPerUser: write.LimitedPerUser,
PeerColorAvailable: write.PeerColorAvailable, Auction: write.Auction,
AvailabilityRemains: write.AvailabilityRemains, AvailabilityTotal: write.AvailabilityTotal,
AvailabilityResale: write.AvailabilityResale, FirstSaleDate: write.FirstSaleDate,
LastSaleDate: write.LastSaleDate, ResellMinStars: write.ResellMinStars,
ReleasedBy: write.ReleasedBy, PerUserTotal: write.PerUserTotal,
PerUserRemains: write.PerUserTotal, LockedUntilDate: write.LockedUntilDate,
AuctionSlug: write.AuctionSlug, GiftsPerRound: write.GiftsPerRound,
AuctionStartDate: write.AuctionStartDate, UpgradeVariants: write.UpgradeVariants,
Background: cloneStarGiftBackground(write.Background),
}
s.catalog[giftID] = gift
s.revisions[gift.RevisionID] = gift
s.enabled[giftID] = write.Enabled
s.sortOrder[giftID] = write.SortOrder
s.animations[giftID] = append([]byte(nil), write.Animation.JSON...)
return domain.StarGiftCatalogEntry{Gift: gift, Enabled: write.Enabled, SortOrder: write.SortOrder}, nil
}
func cloneStarGiftBackground(value *domain.StarGiftBackground) *domain.StarGiftBackground {
if value == nil {
return nil
}
copy := *value
return &copy
}
func (s *StarGiftStore) CreateCatalogBundle(_ context.Context, write domain.StarGiftCatalogBundleWrite) (domain.StarGiftCatalogBundleResult, error) {
s.mu.Lock()
defer s.mu.Unlock()
if write.Collectible != nil {
collectibleWrite := *write.Collectible
collectibleWrite.GiftID = write.Catalog.GiftID
if collectibleWrite.GiftID == 0 {
collectibleWrite.GiftID = s.nextGiftID + 1
}
if err := domain.ValidateStarGiftCollectibleWrite(collectibleWrite); err != nil {
return domain.StarGiftCatalogBundleResult{}, err
}
}
entry, err := s.createCatalogRevisionLocked(write.Catalog)
if err != nil {
return domain.StarGiftCatalogBundleResult{}, err
}
result := domain.StarGiftCatalogBundleResult{Catalog: entry}
if write.Collectible != nil {
collectibleWrite := *write.Collectible
collectibleWrite.GiftID = entry.Gift.ID
revision, err := s.publishCollectibleRevisionLocked(collectibleWrite)
if err != nil {
return domain.StarGiftCatalogBundleResult{}, err
}
result.Collectible = &revision
result.Catalog.Gift = s.catalog[entry.Gift.ID]
}
return result, nil
}
func (s *StarGiftStore) SetCatalogEnabled(_ context.Context, giftID int64, enabled bool) (bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
if _, ok := s.catalog[giftID]; !ok {
return false, domain.ErrStarGiftNotFound
}
changed := s.enabled[giftID] != enabled
s.enabled[giftID] = enabled
return changed, nil
}
func (s *StarGiftStore) SetCatalogSortOrder(_ context.Context, giftID int64, sortOrder int) (bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
if _, ok := s.catalog[giftID]; !ok {
return false, domain.ErrStarGiftNotFound
}
changed := s.sortOrder[giftID] != sortOrder
s.sortOrder[giftID] = sortOrder
return changed, nil
}
func (s *StarGiftStore) AnimationJSON(_ context.Context, giftID int64) ([]byte, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
raw, ok := s.animations[giftID]
return append([]byte(nil), raw...), ok, nil
}
func (s *StarGiftStore) PublishCollectibleRevision(_ context.Context, write domain.StarGiftCollectibleWrite) (domain.StarGiftCollectibleRevision, error) {
if err := domain.ValidateStarGiftCollectibleWrite(write); err != nil {
return domain.StarGiftCollectibleRevision{}, err
}
s.mu.Lock()
defer s.mu.Unlock()
return s.publishCollectibleRevisionLocked(write)
}
func (s *StarGiftStore) publishCollectibleRevisionLocked(write domain.StarGiftCollectibleWrite) (domain.StarGiftCollectibleRevision, error) {
if _, ok := s.catalog[write.GiftID]; !ok {
return domain.StarGiftCollectibleRevision{}, domain.ErrStarGiftNotFound
}
previous := s.collectibles[write.GiftID]
revision := domain.StarGiftCollectibleRevision{
ID: previous.ID + 1, GiftID: write.GiftID, Revision: previous.Revision + 1,
UpgradeStars: write.UpgradeStars, SupplyTotal: write.SupplyTotal,
SlugPrefix: strings.ToLower(strings.TrimSpace(write.SlugPrefix)), Published: true,
CreatedBy: write.Actor,
OfficialGiftID: write.OfficialGiftID, SourceManifestSHA256: append([]byte(nil), write.SourceManifestSHA256...),
}
if revision.ID == 1 {
revision.ID = write.GiftID*1000 + 1
}
revision.Models = s.allocateCollectibleAttributes(write.Models, revision.ID)
revision.Patterns = s.allocateCollectibleAttributes(write.Patterns, revision.ID)
revision.Backdrops = s.allocateCollectibleAttributes(write.Backdrops, revision.ID)
s.collectibles[write.GiftID] = revision
gift := s.catalog[write.GiftID]
gift.UpgradeStars = revision.UpgradeStars
gift.UpgradeTotal = revision.SupplyTotal
gift.UpgradeIssued = revision.Issued
s.catalog[write.GiftID] = gift
return cloneCollectibleRevision(revision), nil
}
func (s *StarGiftStore) allocateCollectibleAttributes(in []domain.StarGiftCollectibleAttribute, revisionID int64) []domain.StarGiftCollectibleAttribute {
out := make([]domain.StarGiftCollectibleAttribute, len(in))
for i, attribute := range in {
s.nextAttributeID++
attribute.ID = s.nextAttributeID
attribute.CollectibleRevisionID = revisionID
out[i] = cloneCollectibleAttribute(attribute)
}
return out
}
func (s *StarGiftStore) ActiveCollectibleRevision(_ context.Context, giftID int64) (domain.StarGiftCollectibleRevision, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
revision, ok := s.collectibles[giftID]
return cloneCollectibleRevision(revision), ok, nil
}
func (s *StarGiftStore) ActiveCollectibleProjection(_ context.Context, giftID int64, samplePerKind int) (domain.StarGiftCollectibleRevision, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
revision, ok := s.collectibles[giftID]
if !ok {
return domain.StarGiftCollectibleRevision{}, false, nil
}
projection := cloneCollectibleRevision(revision)
projection.Models = projectCollectibleAttributes(projection.Models, domain.StarGiftCollectibleModel, samplePerKind)
projection.Patterns = projectCollectibleAttributes(projection.Patterns, domain.StarGiftCollectiblePattern, samplePerKind)
projection.Backdrops = projectCollectibleAttributes(projection.Backdrops, domain.StarGiftCollectibleBackdrop, samplePerKind)
return projection, true, nil
}
func (s *StarGiftStore) CollectibleAvailability(_ context.Context, giftIDs []int64) (map[int64]domain.StarGiftCollectibleAvailability, error) {
s.mu.Lock()
defer s.mu.Unlock()
out := make(map[int64]domain.StarGiftCollectibleAvailability, len(giftIDs))
for _, giftID := range giftIDs {
revision, ok := s.collectibles[giftID]
if !ok || !revision.Published {
continue
}
out[giftID] = domain.StarGiftCollectibleAvailability{
UpgradeStars: revision.UpgradeStars,
SupplyTotal: revision.SupplyTotal,
Issued: revision.Issued,
}
}
return out, nil
}
func (s *StarGiftStore) CollectibleAnimationJSON(_ context.Context, giftID int64, kind domain.StarGiftCollectibleAttributeKind, attributeID int64) ([]byte, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
revision, ok := s.collectibles[giftID]
if !ok {
return nil, false, nil
}
var attributes []domain.StarGiftCollectibleAttribute
switch kind {
case domain.StarGiftCollectibleModel:
attributes = revision.Models
case domain.StarGiftCollectiblePattern:
attributes = revision.Patterns
default:
return nil, false, nil
}
for _, attribute := range attributes {
if attribute.ID == attributeID && attribute.Animation != nil {
return append([]byte(nil), attribute.Animation.JSON...), true, nil
}
}
return nil, false, nil
}
func (s *StarGiftStore) UniqueBySlug(_ context.Context, slug string) (domain.UniqueStarGift, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
id, ok := s.uniqueBySlug[strings.ToLower(strings.TrimSpace(slug))]
if !ok {
return domain.UniqueStarGift{}, false, nil
}
unique, ok := s.uniqueByID[id]
return unique, ok, nil
}
func (s *StarGiftStore) UniqueByID(_ context.Context, uniqueGiftID int64) (domain.UniqueStarGift, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
unique, ok := s.uniqueByID[uniqueGiftID]
return unique, ok, nil
}
func (s *StarGiftStore) UniqueByIDs(_ context.Context, uniqueGiftIDs []int64) (map[int64]domain.UniqueStarGift, error) {
s.mu.Lock()
defer s.mu.Unlock()
out := make(map[int64]domain.UniqueStarGift, len(uniqueGiftIDs))
for _, id := range uniqueGiftIDs {
if gift, ok := s.uniqueByID[id]; ok {
out[id] = gift
}
}
return out, nil
}
func (s *StarGiftStore) ListUniqueByOwner(_ context.Context, owner domain.Peer, limit int) ([]domain.UniqueStarGift, error) {
if owner.ID <= 0 || limit <= 0 {
return []domain.UniqueStarGift{}, nil
}
s.mu.Lock()
defer s.mu.Unlock()
out := make([]domain.UniqueStarGift, 0, min(limit, len(s.uniqueByID)))
for _, gift := range s.uniqueByID {
if gift.Owner == owner && !gift.Burned && gift.OwnerAddress == "" {
out = append(out, gift)
}
}
sort.Slice(out, func(i, j int) bool { return out[i].ID > out[j].ID })
if len(out) > limit {
out = out[:limit]
}
return out, nil
}
func (s *StarGiftStore) Create(_ context.Context, gift domain.SavedStarGift) (int64, error) {
if !validSavedStarGift(gift) {
return 0, domain.ErrStarGiftInvalid
}
s.mu.Lock()
defer s.mu.Unlock()
s.nextID++
gift.ID = s.nextID
if gift.Owner.Type == domain.PeerTypeChannel && gift.SavedID == 0 {
gift.SavedID = gift.ID
}
gift.Converted = false
gift.LifecycleStatus = domain.StarGiftLifecycleActive
s.gifts = append(s.gifts, gift)
return gift.ID, nil
}
func (s *StarGiftStore) ListByOwner(_ context.Context, owner domain.Peer, excludeUnsaved bool, offset string, limit int) (domain.SavedStarGiftPage, error) {
return s.ListByOwnerFiltered(context.Background(), domain.SavedStarGiftFilter{
Owner: owner, ExcludeUnsaved: excludeUnsaved, Offset: offset, Limit: limit,
})
}
func (s *StarGiftStore) ListByOwnerFiltered(_ context.Context, filter domain.SavedStarGiftFilter) (domain.SavedStarGiftPage, error) {
owner, offset, limit := filter.Owner, filter.Offset, filter.Limit
if !validStarGiftOwner(owner) {
return domain.SavedStarGiftPage{}, nil
}
if limit <= 0 || limit > domain.MaxSavedStarGiftsLimit {
limit = domain.MaxSavedStarGiftsLimit
}
s.mu.Lock()
defer s.mu.Unlock()
matched := make([]domain.SavedStarGift, 0)
for _, g := range s.gifts {
if g.Owner != owner || !g.LifecycleStatus.Live() {
continue
}
if filter.ExcludeUnsaved && g.Unsaved {
continue
}
if filter.ExcludeSaved && !g.Unsaved {
continue
}
if filter.ExcludeUnique && g.UniqueGiftID != 0 {
continue
}
if filter.ExcludeUnlimited && g.UniqueGiftID == 0 {
continue
}
upgradable := false
if g.UniqueGiftID == 0 {
if gift, ok := s.catalog[g.GiftID]; ok {
upgradable = gift.UpgradeStars > 0 && gift.UpgradeIssued < gift.UpgradeTotal
}
}
if filter.ExcludeUpgradable && upgradable {
continue
}
if filter.ExcludeUnupgradable && !upgradable {
continue
}
if filter.CollectionID > 0 && !containsInt(g.CollectionIDs, filter.CollectionID) {
continue
}
matched = append(matched, g)
}
profileOrder := filter.CollectionID == 0
sort.Slice(matched, func(i, j int) bool {
if profileOrder {
iPinned := matched[i].PinnedOrder > 0
jPinned := matched[j].PinnedOrder > 0
if iPinned != jPinned {
return iPinned
}
if iPinned && matched[i].PinnedOrder != matched[j].PinnedOrder {
return matched[i].PinnedOrder < matched[j].PinnedOrder
}
}
return matched[i].ID > matched[j].ID
})
page := domain.SavedStarGiftPage{Count: len(matched)}
cursor, hasCursor := domain.DecodeSavedStarGiftListCursor(offset)
out := make([]domain.SavedStarGift, 0, limit+1)
for _, g := range matched {
if hasCursor {
if profileOrder {
if cursor.PinnedOrder > 0 {
if g.PinnedOrder > 0 && (g.PinnedOrder < cursor.PinnedOrder ||
g.PinnedOrder == cursor.PinnedOrder && g.ID >= cursor.ID) {
continue
}
} else if g.PinnedOrder > 0 || g.ID >= cursor.ID {
continue
}
} else if g.ID >= cursor.ID {
continue
}
}
out = append(out, g)
if len(out) == limit+1 {
break
}
}
if len(out) > limit {
out = out[:limit]
last := out[len(out)-1]
pinnedOrder := 0
if profileOrder {
pinnedOrder = last.PinnedOrder
}
page.NextOffset = domain.EncodeSavedStarGiftListCursor(pinnedOrder, last.ID)
}
page.Gifts = out
return page, nil
}
func (s *StarGiftStore) ResolveSavedIDs(_ context.Context, owner domain.Peer, refs []domain.SavedStarGiftRef) ([]int64, error) {
if !validStarGiftOwner(owner) || len(refs) > domain.MaxStarGiftCollectionItems {
return nil, domain.ErrStarGiftCollectibleInvalid
}
s.mu.Lock()
defer s.mu.Unlock()
out := make([]int64, 0, len(refs))
seen := make(map[int64]struct{}, len(refs))
for _, ref := range refs {
if ref.Owner != owner || !ref.Valid() {
return nil, domain.ErrStarGiftNotFound
}
var id int64
for _, gift := range s.gifts {
if s.savedStarGiftMatchesRef(gift, ref) && gift.LifecycleStatus.Live() {
id = gift.ID
break
}
}
if id == 0 {
return nil, domain.ErrStarGiftNotFound
}
if _, exists := seen[id]; exists {
return nil, domain.ErrStarGiftCollectibleInvalid
}
seen[id] = struct{}{}
out = append(out, id)
}
return out, nil
}
func (s *StarGiftStore) GetByRef(_ context.Context, ref domain.SavedStarGiftRef) (domain.SavedStarGift, bool, error) {
if !ref.Valid() {
return domain.SavedStarGift{}, false, nil
}
s.mu.Lock()
defer s.mu.Unlock()
for _, g := range s.gifts {
if s.savedStarGiftMatchesRef(g, ref) {
return g, true, nil
}
}
return domain.SavedStarGift{}, false, nil
}
func (s *StarGiftStore) ResolveUserMessageRef(_ context.Context, _ int64, _ int) (domain.SavedStarGiftRef, bool, error) {
return domain.SavedStarGiftRef{}, false, nil
}
func (s *StarGiftStore) CountByOwner(_ context.Context, owner domain.Peer) (int, error) {
if !validStarGiftOwner(owner) {
return 0, nil
}
s.mu.Lock()
defer s.mu.Unlock()
n := 0
for _, g := range s.gifts {
if g.Owner == owner && g.LifecycleStatus.Live() && !g.Unsaved {
n++
}
}
return n, nil
}
func (s *StarGiftStore) SetUnsaved(_ context.Context, ref domain.SavedStarGiftRef, unsaved bool) (bool, error) {
if !ref.Valid() {
return false, domain.ErrStarGiftNotFound
}
s.mu.Lock()
defer s.mu.Unlock()
for i := range s.gifts {
if s.savedStarGiftMatchesRef(s.gifts[i], ref) && s.gifts[i].LifecycleStatus.Live() {
s.gifts[i].Unsaved = unsaved
if unsaved && s.gifts[i].PinnedOrder > 0 {
removedOrder := s.gifts[i].PinnedOrder
s.gifts[i].PinnedOrder = 0
for j := range s.gifts {
if s.gifts[j].Owner == ref.Owner && s.gifts[j].PinnedOrder > removedOrder {
s.gifts[j].PinnedOrder--
}
}
}
return true, nil
}
}
return false, nil
}
func (s *StarGiftStore) MarkConverted(_ context.Context, ref domain.SavedStarGiftRef) (domain.SavedStarGift, error) {
if !ref.Valid() {
return domain.SavedStarGift{}, domain.ErrStarGiftNotFound
}
s.mu.Lock()
defer s.mu.Unlock()
for i := range s.gifts {
if s.savedStarGiftMatchesRef(s.gifts[i], ref) {
if s.gifts[i].UniqueGiftID != 0 {
return domain.SavedStarGift{}, domain.ErrStarGiftAlreadyUpgraded
}
if s.gifts[i].Converted {
return domain.SavedStarGift{}, domain.ErrStarGiftAlreadyConverted
}
s.gifts[i].Converted = true
s.gifts[i].LifecycleStatus = domain.StarGiftLifecycleConverted
s.gifts[i].Unsaved = true
s.gifts[i].PinnedOrder = 0
for collectionIndex := range s.collections[ref.Owner] {
collection := &s.collections[ref.Owner][collectionIndex]
next := collection.GiftIDs[:0]
for _, giftID := range collection.GiftIDs {
if giftID != s.gifts[i].ID {
next = append(next, giftID)
}
}
collection.GiftIDs = next
collection.Hash = domain.StarGiftCollectionHash(collection.Title, collection.GiftIDs)
}
s.refreshCollectionMembershipsLocked(ref.Owner)
return s.gifts[i], nil
}
}
return domain.SavedStarGift{}, domain.ErrStarGiftNotFound
}
func (s *StarGiftStore) ListCollections(_ context.Context, owner domain.Peer) ([]domain.StarGiftCollection, error) {
s.mu.Lock()
defer s.mu.Unlock()
return cloneStarGiftCollections(s.collections[owner]), nil
}
func (s *StarGiftStore) CreateCollection(_ context.Context, owner domain.Peer, title string, savedGiftIDs []int64) (domain.StarGiftCollection, error) {
title = strings.TrimSpace(title)
if !validStarGiftOwner(owner) || title == "" || len([]rune(title)) > domain.MaxStarGiftCollectionTitleRunes {
return domain.StarGiftCollection{}, domain.ErrStarGiftCollectibleInvalid
}
s.mu.Lock()
defer s.mu.Unlock()
if len(s.collections[owner]) >= domain.MaxStarGiftCollectionsPerPeer {
return domain.StarGiftCollection{}, domain.ErrStarGiftCollectionsFull
}
ids, err := s.validCollectionGiftIDsLocked(owner, savedGiftIDs)
if err != nil {
return domain.StarGiftCollection{}, err
}
s.nextCollectionID++
collection := domain.StarGiftCollection{Owner: owner, CollectionID: s.nextCollectionID, Title: title, GiftIDs: ids, SortOrder: len(s.collections[owner])}
collection.Hash = domain.StarGiftCollectionHash(collection.Title, collection.GiftIDs)
s.collections[owner] = append(s.collections[owner], collection)
s.refreshCollectionMembershipsLocked(owner)
return collection, nil
}
func (s *StarGiftStore) UpdateCollection(_ context.Context, owner domain.Peer, collectionID int, patch domain.StarGiftCollectionPatch) (domain.StarGiftCollection, error) {
s.mu.Lock()
defer s.mu.Unlock()
collections := s.collections[owner]
index := -1
for i := range collections {
if collections[i].CollectionID == collectionID {
index = i
break
}
}
if index < 0 {
return domain.StarGiftCollection{}, domain.ErrStarGiftCollectionNotFound
}
collection := collections[index]
if patch.Title != nil {
title := strings.TrimSpace(*patch.Title)
if title == "" || len([]rune(title)) > domain.MaxStarGiftCollectionTitleRunes {
return domain.StarGiftCollection{}, domain.ErrStarGiftCollectibleInvalid
}
collection.Title = title
}
deleteSet := make(map[int64]struct{}, len(patch.DeleteIDs))
for _, id := range patch.DeleteIDs {
deleteSet[id] = struct{}{}
}
next := make([]int64, 0, len(collection.GiftIDs)+len(patch.AddIDs))
for _, id := range collection.GiftIDs {
if _, deleted := deleteSet[id]; !deleted {
next = append(next, id)
}
}
add, err := s.validCollectionGiftIDsLocked(owner, patch.AddIDs)
if err != nil {
return domain.StarGiftCollection{}, err
}
next = appendUniqueInt64(next, add...)
if patch.Order != nil {
order, err := s.validCollectionGiftIDsLocked(owner, patch.Order)
if err != nil || !sameInt64Set(order, next) {
return domain.StarGiftCollection{}, domain.ErrStarGiftCollectibleInvalid
}
next = order
}
if len(next) > domain.MaxStarGiftCollectionItems {
return domain.StarGiftCollection{}, domain.ErrStarGiftCollectibleInvalid
}
collection.GiftIDs = next
collection.Hash = domain.StarGiftCollectionHash(collection.Title, collection.GiftIDs)
collections[index] = collection
s.collections[owner] = collections
s.refreshCollectionMembershipsLocked(owner)
return collection, nil
}
func (s *StarGiftStore) DeleteCollection(_ context.Context, owner domain.Peer, collectionID int) (bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
collections := s.collections[owner]
for i := range collections {
if collections[i].CollectionID == collectionID {
collections = append(collections[:i], collections[i+1:]...)
for j := range collections {
collections[j].SortOrder = j
}
s.collections[owner] = collections
s.refreshCollectionMembershipsLocked(owner)
return true, nil
}
}
return false, nil
}
func (s *StarGiftStore) ReorderCollections(_ context.Context, owner domain.Peer, collectionIDs []int) error {
s.mu.Lock()
defer s.mu.Unlock()
collections := s.collections[owner]
if len(collectionIDs) != len(collections) {
return domain.ErrStarGiftCollectibleInvalid
}
byID := make(map[int]domain.StarGiftCollection, len(collections))
for _, collection := range collections {
byID[collection.CollectionID] = collection
}
next := make([]domain.StarGiftCollection, 0, len(collections))
for order, id := range collectionIDs {
collection, ok := byID[id]
if !ok {
return domain.ErrStarGiftCollectibleInvalid
}
delete(byID, id)
collection.SortOrder = order
next = append(next, collection)
}
s.collections[owner] = next
return nil
}
func (s *StarGiftStore) SetPinned(_ context.Context, owner domain.Peer, savedGiftIDs []int64) error {
s.mu.Lock()
defer s.mu.Unlock()
if len(savedGiftIDs) > domain.MaxPinnedStarGifts {
return domain.ErrStarGiftCollectibleInvalid
}
ids, err := s.validCollectionGiftIDsLocked(owner, savedGiftIDs)
if err != nil {
return err
}
if len(ids) != len(savedGiftIDs) {
return domain.ErrStarGiftCollectibleInvalid
}
order := make(map[int64]int, len(ids))
for i, id := range ids {
order[id] = i + 1
}
for i := range s.gifts {
if s.gifts[i].Owner == owner {
s.gifts[i].PinnedOrder = order[s.gifts[i].ID]
if s.gifts[i].PinnedOrder > 0 {
s.gifts[i].Unsaved = false
}
}
}
return nil
}
// refreshCollectionMembershipsLocked keeps the in-memory saved-gift projection
// equivalent to the PostgreSQL join projection. Callers must hold s.mu.
func (s *StarGiftStore) refreshCollectionMembershipsLocked(owner domain.Peer) {
memberships := make(map[int64][]int)
for _, collection := range s.collections[owner] {
for _, giftID := range collection.GiftIDs {
memberships[giftID] = append(memberships[giftID], collection.CollectionID)
}
}
for i := range s.gifts {
if s.gifts[i].Owner != owner {
continue
}
s.gifts[i].CollectionIDs = append([]int(nil), memberships[s.gifts[i].ID]...)
}
}
func (s *StarGiftStore) validCollectionGiftIDsLocked(owner domain.Peer, ids []int64) ([]int64, error) {
if len(ids) > domain.MaxStarGiftCollectionItems {
return nil, domain.ErrStarGiftCollectibleInvalid
}
out := make([]int64, 0, len(ids))
seen := make(map[int64]struct{}, len(ids))
for _, id := range ids {
if _, ok := seen[id]; ok {
continue
}
valid := false
for _, gift := range s.gifts {
if gift.ID == id && gift.Owner == owner && gift.LifecycleStatus.Live() {
valid = true
break
}
}
if !valid {
return nil, domain.ErrStarGiftNotFound
}
seen[id] = struct{}{}
out = append(out, id)
}
return out, nil
}
func appendUniqueInt64(dst []int64, values ...int64) []int64 {
seen := make(map[int64]struct{}, len(dst)+len(values))
for _, id := range dst {
seen[id] = struct{}{}
}
for _, id := range values {
if _, ok := seen[id]; !ok {
seen[id] = struct{}{}
dst = append(dst, id)
}
}
return dst
}
func sameInt64Set(a, b []int64) bool {
if len(a) != len(b) {
return false
}
seen := make(map[int64]int, len(a))
for _, id := range a {
seen[id]++
}
for _, id := range b {
seen[id]--
if seen[id] < 0 {
return false
}
}
return true
}
func cloneCollectibleAttribute(in domain.StarGiftCollectibleAttribute) domain.StarGiftCollectibleAttribute {
out := in
if in.Document != nil {
document := *in.Document
out.Document = &document
}
if in.Animation != nil {
animation := *in.Animation
animation.JSON = append([]byte(nil), in.Animation.JSON...)
animation.TGS = append([]byte(nil), in.Animation.TGS...)
animation.SHA256 = append([]byte(nil), in.Animation.SHA256...)
out.Animation = &animation
}
if in.Blob != nil {
blob := *in.Blob
out.Blob = &blob
}
return out
}
func cloneCollectibleRevision(in domain.StarGiftCollectibleRevision) domain.StarGiftCollectibleRevision {
out := in
out.SourceManifestSHA256 = append([]byte(nil), in.SourceManifestSHA256...)
clone := func(attributes []domain.StarGiftCollectibleAttribute) []domain.StarGiftCollectibleAttribute {
copy := make([]domain.StarGiftCollectibleAttribute, len(attributes))
for i, attribute := range attributes {
copy[i] = cloneCollectibleAttribute(attribute)
}
return copy
}
out.Models = clone(in.Models)
out.Patterns = clone(in.Patterns)
out.Backdrops = clone(in.Backdrops)
return out
}
func projectCollectibleAttributes(in []domain.StarGiftCollectibleAttribute, kind domain.StarGiftCollectibleAttributeKind, samplePerKind int) []domain.StarGiftCollectibleAttribute {
out := in
if samplePerKind > 0 {
out = make([]domain.StarGiftCollectibleAttribute, 0, len(in))
for _, attribute := range in {
if attribute.RarityKind != domain.StarGiftRarityPermille || attribute.RarityPermille <= 0 ||
(kind == domain.StarGiftCollectibleModel && attribute.Crafted) {
continue
}
out = append(out, attribute)
}
for i := 0; i < len(out) && i < samplePerKind; i++ {
j := i + rand.IntN(len(out)-i)
out[i], out[j] = out[j], out[i]
}
if len(out) > samplePerKind {
out = out[:samplePerKind]
}
}
for i := range out {
if out[i].Animation != nil {
out[i].Animation.JSON = nil
out[i].Animation.TGS = nil
}
}
return out
}
func cloneStarGiftCollections(in []domain.StarGiftCollection) []domain.StarGiftCollection {
out := make([]domain.StarGiftCollection, len(in))
for i, collection := range in {
out[i] = collection
out[i].GiftIDs = append([]int64(nil), collection.GiftIDs...)
}
return out
}
func validSavedStarGift(g domain.SavedStarGift) bool {
if g.GiftID == 0 || g.RevisionID == 0 || !validStarGiftOwner(g.Owner) {
return false
}
switch g.Owner.Type {
case domain.PeerTypeUser:
return g.MsgID > 0 && g.SavedID == 0
case domain.PeerTypeChannel:
return g.MsgID == 0 && g.SavedID >= 0
default:
return false
}
}
func validStarGiftOwner(owner domain.Peer) bool {
return owner.ID != 0 && (owner.Type == domain.PeerTypeUser || owner.Type == domain.PeerTypeChannel)
}
func (s *StarGiftStore) savedStarGiftMatchesRef(g domain.SavedStarGift, ref domain.SavedStarGiftRef) bool {
if g.Owner != ref.Owner {
return false
}
if ref.Slug != "" {
uniqueID, ok := s.uniqueBySlug[strings.ToLower(strings.TrimSpace(ref.Slug))]
return ok && uniqueID != 0 && g.UniqueGiftID == uniqueID
}
switch ref.Owner.Type {
case domain.PeerTypeUser:
return g.MsgID == ref.MsgID
case domain.PeerTypeChannel:
return g.SavedID == ref.SavedID
default:
return false
}
}