owpengram-server/internal/store/memory/privacy.go
A 8ff3343ae0 business: add privacy-aware user projection
(cherry picked from commit a636192ef22ee69d792b0ca7db1c6be963be9cb2)
2026-06-14 00:19:59 +08:00

75 lines
2 KiB
Go

package memory
import (
"context"
"sync"
"telesrv/internal/domain"
)
type privacyStoreKey struct {
ownerUserID int64
key domain.PrivacyKey
}
// PrivacyStore is an in-memory account privacy rule store for tests/dev mode.
type PrivacyStore struct {
mu sync.RWMutex
rules map[privacyStoreKey]domain.PrivacyRules
}
func NewPrivacyStore() *PrivacyStore {
return &PrivacyStore{rules: make(map[privacyStoreKey]domain.PrivacyRules)}
}
func (s *PrivacyStore) GetPrivacyRules(_ context.Context, ownerUserID int64, key domain.PrivacyKey) (domain.PrivacyRules, bool, error) {
s.mu.RLock()
rules, ok := s.rules[privacyStoreKey{ownerUserID: ownerUserID, key: key}]
s.mu.RUnlock()
return clonePrivacyRules(rules), ok, nil
}
func (s *PrivacyStore) SetPrivacyRules(_ context.Context, rules domain.PrivacyRules) error {
s.mu.Lock()
s.rules[privacyStoreKey{ownerUserID: rules.OwnerUserID, key: rules.Key}] = clonePrivacyRules(rules)
s.mu.Unlock()
return nil
}
func (s *PrivacyStore) ListPrivacyRules(_ context.Context, ownerUserIDs []int64, keys []domain.PrivacyKey) ([]domain.PrivacyRules, error) {
if len(ownerUserIDs) == 0 || len(keys) == 0 {
return nil, nil
}
owners := make(map[int64]struct{}, len(ownerUserIDs))
for _, id := range ownerUserIDs {
owners[id] = struct{}{}
}
keySet := make(map[domain.PrivacyKey]struct{}, len(keys))
for _, key := range keys {
keySet[key] = struct{}{}
}
s.mu.RLock()
defer s.mu.RUnlock()
out := make([]domain.PrivacyRules, 0, len(s.rules))
for k, rules := range s.rules {
if _, ok := owners[k.ownerUserID]; !ok {
continue
}
if _, ok := keySet[k.key]; !ok {
continue
}
out = append(out, clonePrivacyRules(rules))
}
return out, nil
}
func clonePrivacyRules(in domain.PrivacyRules) domain.PrivacyRules {
out := in
out.Rules = make([]domain.PrivacyRule, len(in.Rules))
for i, rule := range in.Rules {
out.Rules[i] = rule
out.Rules[i].UserIDs = append([]int64(nil), rule.UserIDs...)
out.Rules[i].ChatIDs = append([]int64(nil), rule.ChatIDs...)
}
return out
}