607 lines
19 KiB
Go
607 lines
19 KiB
Go
package contacts
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import (
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"context"
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"errors"
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"strings"
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"unicode/utf8"
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"telesrv/internal/app/userprojection"
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"telesrv/internal/domain"
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"telesrv/internal/store"
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)
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var (
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ErrContactIDInvalid = errors.New("contact id invalid")
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ErrContactNameEmpty = errors.New("contact name empty")
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ErrContactReqMissing = errors.New("contact request missing")
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)
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const maxSearchLimit = 50
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const maxCloseFriendsCount = 5000
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type phonePrivacyService interface {
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userprojection.PrivacyEvaluator
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AddAllowUser(ctx context.Context, ownerUserID int64, key domain.PrivacyKey, targetUserID int64) (domain.PrivacyRules, bool, error)
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}
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// Service 提供通讯录查询。
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type Service struct {
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contacts store.ContactStore
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users store.UserStore
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photos userprojection.ProfilePhotoProvider
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privacy phonePrivacyService
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freezes userprojection.AccountFreezeProvider
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projector *userprojection.Projector
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versions store.ReadModelVersionStore
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cache *contactListReadModelCache
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}
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// Option adjusts optional contacts service dependencies.
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type Option func(*Service)
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// WithPhotoProvider enables current profile photo enrichment for returned users.
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func WithPhotoProvider(p userprojection.ProfilePhotoProvider) Option {
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return func(s *Service) { s.photos = p }
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}
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// WithPrivacyEvaluator enables viewer-specific privacy projection.
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func WithPrivacyEvaluator(p phonePrivacyService) Option {
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return func(s *Service) { s.privacy = p }
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}
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func WithAccountFreezeProvider(p userprojection.AccountFreezeProvider) Option {
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return func(s *Service) { s.freezes = p }
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}
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// WithReadModelVersions enables durable hash-token fast paths for NotModified RPCs.
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func WithReadModelVersions(v store.ReadModelVersionStore) Option {
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return func(s *Service) { s.versions = v }
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}
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// NewService 创建 contacts 服务。
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func NewService(contacts store.ContactStore, users ...store.UserStore) *Service {
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s := &Service{contacts: contacts, cache: newContactListReadModelCache(defaultContactListReadModelTTL)}
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if len(users) > 0 {
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s.users = users[0]
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}
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s.rebuildProjector()
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return s
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}
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// Configure applies optional dependencies after construction.
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func (s *Service) Configure(opts ...Option) *Service {
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if s == nil {
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return s
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}
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for _, opt := range opts {
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opt(s)
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}
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s.rebuildProjector()
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return s
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}
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func (s *Service) rebuildProjector() {
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if s == nil {
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return
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}
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s.projector = userprojection.New(
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userprojection.WithContactStore(s.contacts),
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userprojection.WithPhotoProvider(s.photos),
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userprojection.WithPrivacyEvaluator(s.privacy),
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userprojection.WithAccountFreezeProvider(s.freezes),
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)
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}
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// GetContacts 返回当前登录账号的通讯录。未登录或无持久化实现时按空账号处理。
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func (s *Service) GetContacts(ctx context.Context, userID int64, hash int64) (domain.ContactList, bool, error) {
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if s == nil || s.contacts == nil || userID == 0 {
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return domain.ContactList{}, false, nil
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}
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currentHash, hasHash, err := s.contactAccountHash(ctx, userID)
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if err != nil {
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return domain.ContactList{}, false, err
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}
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if hash != 0 && hasHash && hash == currentHash {
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return domain.ContactList{Hash: currentHash}, true, nil
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}
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list, err := s.contactListReadModel(ctx, userID, currentHash, hasHash)
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if err != nil {
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return domain.ContactList{}, false, err
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}
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if hash != 0 && hash == list.Hash {
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return list, true, nil
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}
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return list, false, nil
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}
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func (s *Service) AddContact(ctx context.Context, userID int64, input domain.ContactInput) (domain.Contact, error) {
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if s == nil || s.contacts == nil || userID == 0 || input.ContactUserID == 0 || input.ContactUserID == userID {
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return domain.Contact{}, ErrContactIDInvalid
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}
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if input.FirstName == "" && input.LastName == "" {
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return domain.Contact{}, ErrContactNameEmpty
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}
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// Android 的 contacts.addContact 会提交带 "+" 前缀的号码（TDesktop 传纯数字或空），
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// 归一成纯数字；无数字时落空串，走下方 target.Phone 回填。
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input.Phone = digitsOnly(input.Phone)
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if s.users != nil {
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target, found, err := s.users.ByID(ctx, input.ContactUserID)
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if err != nil {
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return domain.Contact{}, err
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}
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if !found {
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return domain.Contact{}, ErrContactIDInvalid
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}
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if input.Phone == "" {
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input.Phone = target.Phone
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}
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}
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contact, err := s.contacts.Upsert(ctx, userID, input)
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if err != nil {
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return domain.Contact{}, err
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}
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s.InvalidateViewers(userID, input.ContactUserID)
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if input.AddPhonePrivacyException && s.privacy != nil {
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if _, _, err := s.privacy.AddAllowUser(ctx, userID, domain.PrivacyKeyPhoneNumber, input.ContactUserID); err != nil {
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return domain.Contact{}, err
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}
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}
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return s.projectContact(ctx, userID, contact)
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}
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// AcceptContact shares the current user's phone/profile with an existing one-way contact.
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func (s *Service) AcceptContact(ctx context.Context, userID, contactUserID int64) (domain.Contact, error) {
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if s == nil || s.contacts == nil || s.users == nil || userID == 0 || contactUserID == 0 || contactUserID == userID {
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return domain.Contact{}, ErrContactIDInvalid
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}
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ownerContact, found, err := s.contacts.Get(ctx, userID, contactUserID)
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if err != nil {
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return domain.Contact{}, err
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}
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if !found {
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return domain.Contact{}, ErrContactReqMissing
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}
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self, found, err := s.users.ByID(ctx, userID)
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if err != nil {
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return domain.Contact{}, err
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}
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if !found {
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return domain.Contact{}, ErrContactIDInvalid
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}
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target, found, err := s.users.ByID(ctx, contactUserID)
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if err != nil {
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return domain.Contact{}, err
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}
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if !found {
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return domain.Contact{}, ErrContactIDInvalid
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}
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if ownerContact.Mutual {
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return ownerContact, nil
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}
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_, err = s.contacts.Upsert(ctx, contactUserID, domain.ContactInput{
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ContactUserID: userID,
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Phone: self.Phone,
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FirstName: self.FirstName,
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LastName: self.LastName,
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})
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if err != nil {
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return domain.Contact{}, err
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}
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s.InvalidateViewers(userID, contactUserID)
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if s.privacy != nil {
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if _, _, err := s.privacy.AddAllowUser(ctx, userID, domain.PrivacyKeyPhoneNumber, contactUserID); err != nil {
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return domain.Contact{}, err
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}
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}
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contact, found, err := s.contacts.Get(ctx, userID, target.ID)
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if err != nil {
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return domain.Contact{}, err
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}
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if !found {
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return domain.Contact{}, ErrContactReqMissing
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}
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return s.projectContact(ctx, userID, contact)
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}
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func (s *Service) ImportContacts(ctx context.Context, userID int64, inputs []domain.ContactInput) (domain.ImportContactsResult, error) {
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if s == nil || s.contacts == nil || s.users == nil || userID == 0 || len(inputs) == 0 {
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return domain.ImportContactsResult{}, nil
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}
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out := domain.ImportContactsResult{
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Imported: make([]domain.ImportedContact, 0, len(inputs)),
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Contacts: make([]domain.Contact, 0, len(inputs)),
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}
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normalized := make([]domain.ContactInput, 0, len(inputs))
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phones := make([]string, 0, len(inputs))
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seenPhones := make(map[string]struct{}, len(inputs))
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for _, input := range inputs {
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phone := normalizePhone(input.Phone)
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if phone == "" {
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continue
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}
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input.Phone = phone
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normalized = append(normalized, input)
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if _, ok := seenPhones[phone]; ok {
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continue
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}
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seenPhones[phone] = struct{}{}
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phones = append(phones, phone)
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}
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if len(phones) == 0 {
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return out, nil
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}
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targets, err := s.users.ByPhones(ctx, phones)
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if err != nil {
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return domain.ImportContactsResult{}, err
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}
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byPhone := make(map[string]domain.User, len(targets))
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for _, target := range targets {
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if target.Phone != "" {
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byPhone[target.Phone] = target
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}
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}
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upsertsByTarget := make(map[int64]domain.ContactInput, len(targets))
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order := make([]int64, 0, len(targets))
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seenTargets := map[int64]struct{}{}
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for _, input := range normalized {
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target, found := byPhone[input.Phone]
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if !found || target.ID == userID || target.ID == 0 {
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continue
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}
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input.ContactUserID = target.ID
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if input.FirstName == "" && input.LastName == "" {
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input.FirstName = target.FirstName
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input.LastName = target.LastName
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}
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if _, ok := seenTargets[target.ID]; !ok {
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seenTargets[target.ID] = struct{}{}
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order = append(order, target.ID)
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}
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out.Imported = append(out.Imported, domain.ImportedContact{UserID: target.ID, ClientID: input.ClientID})
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upsertsByTarget[target.ID] = input
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}
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if len(order) == 0 {
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return out, nil
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}
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upserts := make([]domain.ContactInput, 0, len(order))
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for _, targetID := range order {
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upserts = append(upserts, upsertsByTarget[targetID])
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}
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contacts, err := s.contacts.UpsertMany(ctx, userID, upserts)
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if err != nil {
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return domain.ImportContactsResult{}, err
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}
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changedIDs := make([]int64, 0, len(upserts)+1)
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changedIDs = append(changedIDs, userID)
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for _, input := range upserts {
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changedIDs = append(changedIDs, input.ContactUserID)
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}
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s.InvalidateViewers(changedIDs...)
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if s.privacy != nil {
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for _, input := range upserts {
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if !input.AddPhonePrivacyException || input.ContactUserID == 0 {
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continue
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}
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if _, _, err := s.privacy.AddAllowUser(ctx, userID, domain.PrivacyKeyPhoneNumber, input.ContactUserID); err != nil {
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return domain.ImportContactsResult{}, err
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}
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}
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}
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out.Contacts = append(out.Contacts, contacts...)
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projected := domain.ContactList{Contacts: out.Contacts}
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if err := s.projectContactUsers(ctx, userID, &projected); err != nil {
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return domain.ImportContactsResult{}, err
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}
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out.Contacts = projected.Contacts
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return out, nil
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}
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func (s *Service) Search(ctx context.Context, userID int64, query string, limit int) (domain.UserSearchResult, error) {
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if s == nil || s.users == nil || userID == 0 {
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return domain.UserSearchResult{}, nil
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}
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query = strings.TrimSpace(query)
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query = strings.TrimPrefix(query, "@")
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query = strings.TrimSpace(query)
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if query == "" {
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return domain.UserSearchResult{}, nil
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}
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if limit <= 0 || limit > maxSearchLimit {
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limit = maxSearchLimit
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}
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res, err := s.users.Search(ctx, userID, query, normalizePhone(query), limit)
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if err != nil {
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return domain.UserSearchResult{}, err
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}
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return s.projectSearchResult(ctx, userID, res)
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}
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func (s *Service) DeleteContacts(ctx context.Context, userID int64, contactUserIDs []int64) (int, error) {
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if s == nil || s.contacts == nil || userID == 0 {
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return 0, nil
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}
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count, err := s.contacts.Delete(ctx, userID, contactUserIDs)
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if err == nil {
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ids := make([]int64, 0, len(contactUserIDs)+1)
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ids = append(ids, userID)
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ids = append(ids, contactUserIDs...)
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s.InvalidateViewers(ids...)
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}
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return count, err
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}
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func (s *Service) EditCloseFriends(ctx context.Context, userID int64, contactUserIDs []int64) (domain.CloseFriendsEditResult, error) {
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if s == nil || s.contacts == nil || userID == 0 || len(contactUserIDs) > maxCloseFriendsCount {
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return domain.CloseFriendsEditResult{}, ErrContactIDInvalid
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}
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ids := normalizeCloseFriendIDs(userID, contactUserIDs)
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if s.users != nil && len(ids) > 0 {
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users, err := s.users.ByIDs(ctx, ids)
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if err != nil {
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return domain.CloseFriendsEditResult{}, err
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}
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exists := make(map[int64]struct{}, len(users))
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for _, user := range users {
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if user.ID != 0 && !user.Bot {
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exists[user.ID] = struct{}{}
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}
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}
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filtered := ids[:0]
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for _, id := range ids {
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if _, ok := exists[id]; ok {
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filtered = append(filtered, id)
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}
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}
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ids = filtered
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}
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result, err := s.contacts.SetCloseFriends(ctx, userID, ids)
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if err == nil {
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s.InvalidateViewers(userID)
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}
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return result, err
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}
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func (s *Service) UpdateContactNote(ctx context.Context, userID, contactUserID int64, note string, entities []domain.MessageEntity) (domain.Contact, error) {
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if s == nil || s.contacts == nil || userID == 0 || contactUserID == 0 || contactUserID == userID {
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return domain.Contact{}, ErrContactIDInvalid
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}
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contact, found, err := s.contacts.UpdateNote(ctx, userID, contactUserID, note, entities)
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if err != nil {
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return domain.Contact{}, err
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}
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if !found {
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return domain.Contact{}, ErrContactIDInvalid
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}
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s.InvalidateViewers(userID)
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return contact, nil
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}
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func (s *Service) SetPersonalPhoto(ctx context.Context, userID, contactUserID int64, photo domain.Photo, date int) (domain.Contact, error) {
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if s == nil || s.contacts == nil || userID == 0 || contactUserID == 0 || contactUserID == userID || photo.ID == 0 {
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return domain.Contact{}, ErrContactIDInvalid
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}
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contact, found, err := s.contacts.SetPersonalPhoto(ctx, userID, contactUserID, photo.ID, date)
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if err != nil {
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return domain.Contact{}, err
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}
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if !found {
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return domain.Contact{}, ErrContactReqMissing
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}
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s.InvalidateViewers(userID)
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return s.projectContact(ctx, userID, contact)
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}
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func (s *Service) ClearPersonalPhoto(ctx context.Context, userID, contactUserID int64, date int) (domain.Contact, error) {
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if s == nil || s.contacts == nil || userID == 0 || contactUserID == 0 || contactUserID == userID {
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return domain.Contact{}, ErrContactIDInvalid
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}
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contact, found, err := s.contacts.SetPersonalPhoto(ctx, userID, contactUserID, 0, date)
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if err != nil {
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return domain.Contact{}, err
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}
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if !found {
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return domain.Contact{}, ErrContactReqMissing
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}
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s.InvalidateViewers(userID)
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return s.projectContact(ctx, userID, contact)
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}
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func (s *Service) PersonalPhotos(ctx context.Context, userID int64, contactUserIDs []int64) (map[int64]domain.ProfilePhotoRef, error) {
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if s == nil || s.contacts == nil || userID == 0 || len(contactUserIDs) == 0 {
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return map[int64]domain.ProfilePhotoRef{}, nil
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}
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return s.contacts.PersonalPhotos(ctx, userID, contactUserIDs)
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}
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func (s *Service) GetPeerSettings(ctx context.Context, userID int64, peer domain.Peer) (domain.PeerSettings, error) {
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if s == nil || s.contacts == nil || userID == 0 || peer.Type != domain.PeerTypeUser || peer.ID == 0 || peer.ID == userID {
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return domain.PeerSettings{}, nil
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}
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contact, found, err := s.contacts.Get(ctx, userID, peer.ID)
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if err != nil {
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return domain.PeerSettings{}, err
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}
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blocked, err := s.contacts.IsBlocked(ctx, userID, peer.ID)
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if err != nil {
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return domain.PeerSettings{}, err
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}
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shareContact := found && !contact.Mutual
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needContactsException := false
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if s.privacy != nil {
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peerCanSeePhone, err := s.peerCanSeeCurrentUserPhone(ctx, userID, peer.ID)
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if err != nil {
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return domain.PeerSettings{}, err
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}
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needContactsException = !peerCanSeePhone
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shareContact = found && !peerCanSeePhone
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}
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return domain.PeerSettings{
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AddContact: !found,
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BlockContact: !blocked,
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ShareContact: shareContact,
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NeedContactsException: needContactsException,
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}, nil
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}
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func (s *Service) peerCanSeeCurrentUserPhone(ctx context.Context, ownerUserID, viewerUserID int64) (bool, error) {
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allowed, err := s.privacy.CanSee(ctx, ownerUserID, viewerUserID, domain.PrivacyKeyPhoneNumber)
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if err != nil || allowed {
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return allowed, err
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}
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if s.contacts == nil {
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return false, nil
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}
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_, found, err := s.contacts.Get(ctx, viewerUserID, ownerUserID)
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if err != nil {
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return false, err
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}
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return found, nil
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}
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// BlockContact adds peer to the current user's blocklist.
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func (s *Service) BlockContact(ctx context.Context, userID, peerUserID int64, date int) (bool, error) {
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if s == nil || s.contacts == nil || userID == 0 || peerUserID == 0 || peerUserID == userID {
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return false, ErrContactIDInvalid
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}
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if s.users != nil {
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if _, found, err := s.users.ByID(ctx, peerUserID); err != nil {
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return false, err
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} else if !found {
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return false, ErrContactIDInvalid
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}
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}
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changed, err := s.contacts.Block(ctx, userID, peerUserID, date)
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if err == nil {
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s.InvalidateViewers(userID, peerUserID)
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}
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return changed, err
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}
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// UnblockContact removes peer from the current user's blocklist.
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func (s *Service) UnblockContact(ctx context.Context, userID, peerUserID int64) (bool, error) {
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if s == nil || s.contacts == nil || userID == 0 || peerUserID == 0 || peerUserID == userID {
|
||
return false, ErrContactIDInvalid
|
||
}
|
||
changed, err := s.contacts.Unblock(ctx, userID, peerUserID)
|
||
if err == nil {
|
||
s.InvalidateViewers(userID, peerUserID)
|
||
}
|
||
return changed, err
|
||
}
|
||
|
||
// IsBlocked reports whether owner has blocked peer.
|
||
func (s *Service) IsBlocked(ctx context.Context, userID, peerUserID int64) (bool, error) {
|
||
if s == nil || s.contacts == nil || userID == 0 || peerUserID == 0 {
|
||
return false, nil
|
||
}
|
||
return s.contacts.IsBlocked(ctx, userID, peerUserID)
|
||
}
|
||
|
||
// GetBlocked returns a bounded blocked contact page.
|
||
func (s *Service) GetBlocked(ctx context.Context, userID int64, offset, limit int) (domain.BlockedContactList, error) {
|
||
if s == nil || s.contacts == nil || userID == 0 {
|
||
return domain.BlockedContactList{}, nil
|
||
}
|
||
if limit <= 0 || limit > 100 {
|
||
limit = 100
|
||
}
|
||
return s.contacts.ListBlocked(ctx, userID, offset, limit)
|
||
}
|
||
|
||
func (s *Service) ContactIDs(ctx context.Context, userID int64, hash int64) ([]int, bool, error) {
|
||
list, notModified, err := s.GetContacts(ctx, userID, hash)
|
||
if err != nil || notModified {
|
||
return nil, notModified, err
|
||
}
|
||
ids := make([]int, 0, len(list.Contacts))
|
||
for _, contact := range list.Contacts {
|
||
ids = append(ids, int(contact.User.ID))
|
||
}
|
||
return ids, false, nil
|
||
}
|
||
|
||
func (s *Service) projectContactUsers(ctx context.Context, userID int64, list *domain.ContactList) error {
|
||
if s == nil || s.projector == nil || list == nil || len(list.Contacts) == 0 {
|
||
return nil
|
||
}
|
||
users := make([]domain.User, len(list.Contacts))
|
||
for i, contact := range list.Contacts {
|
||
users[i] = contact.User
|
||
}
|
||
projected, err := s.projector.ForViewer(ctx, userID, users)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
for i := range list.Contacts {
|
||
list.Contacts[i].User = projected[i]
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func (s *Service) projectContact(ctx context.Context, userID int64, contact domain.Contact) (domain.Contact, error) {
|
||
list := domain.ContactList{Contacts: []domain.Contact{contact}}
|
||
if err := s.projectContactUsers(ctx, userID, &list); err != nil {
|
||
return domain.Contact{}, err
|
||
}
|
||
if len(list.Contacts) == 0 {
|
||
return domain.Contact{}, nil
|
||
}
|
||
return list.Contacts[0], nil
|
||
}
|
||
|
||
func (s *Service) projectSearchResult(ctx context.Context, userID int64, res domain.UserSearchResult) (domain.UserSearchResult, error) {
|
||
if s == nil || s.projector == nil {
|
||
return res, nil
|
||
}
|
||
var err error
|
||
res.MyResults, err = s.projector.ForViewer(ctx, userID, res.MyResults)
|
||
if err != nil {
|
||
return domain.UserSearchResult{}, err
|
||
}
|
||
res.Results, err = s.projector.ForViewer(ctx, userID, res.Results)
|
||
if err != nil {
|
||
return domain.UserSearchResult{}, err
|
||
}
|
||
return res, nil
|
||
}
|
||
|
||
// digitsOnly 只保留数字字符。保存进 contacts.contact_phone 的号码必须与 users.phone
|
||
// 一样是不带 "+" 的纯数字：下发时 contact_phone 优先充当 TL user.phone，而客户端展示
|
||
// user.phone 时会自行补 "+"，任何非数字前缀都会变成 "++<号码>" 这类坏显示。
|
||
func digitsOnly(phone string) string {
|
||
var b strings.Builder
|
||
b.Grow(len(phone))
|
||
for _, r := range phone {
|
||
if r >= '0' && r <= '9' {
|
||
b.WriteRune(r)
|
||
}
|
||
}
|
||
return b.String()
|
||
}
|
||
|
||
func normalizePhone(phone string) string {
|
||
if !utf8.ValidString(phone) {
|
||
return ""
|
||
}
|
||
if digits := digitsOnly(phone); digits != "" {
|
||
return digits
|
||
}
|
||
return phone
|
||
}
|
||
|
||
func normalizeCloseFriendIDs(userID int64, ids []int64) []int64 {
|
||
out := make([]int64, 0, len(ids))
|
||
seen := make(map[int64]struct{}, len(ids))
|
||
for _, id := range ids {
|
||
if id <= 0 || id == userID {
|
||
continue
|
||
}
|
||
if _, ok := seen[id]; ok {
|
||
continue
|
||
}
|
||
seen[id] = struct{}{}
|
||
out = append(out, id)
|
||
}
|
||
return out
|
||
}
|