chore: refresh gramsrv public release

internal/rpc/account_settings_cache.go

@@ -0,0 +1,57 @@
+package rpc
+
+import (
+	"context"
+	"time"
+
+	"telesrv/internal/domain"
+	"telesrv/internal/readmodelcache"
+)
+
+const (
+	accountSettingsCacheMaxEntries = 4096
+	// accountSettingsCacheTTL 兜底跨实例失效；同实例 Set 即时失效。设置页连续调
+	// getGlobalPrivacy/getAccountTTL/getContentSettings/getContactSignUp 时只查一次 PG。
+	accountSettingsCacheTTL = 60 * time.Second
+)
+
+// accountSettingsCache 缓存 userID→AccountSettings，避免设置页 4 个 get handler 各查
+// 一次同一行（N+1）。AccountSettings 全值类型，无需深拷贝。
+type accountSettingsCache struct {
+	cache *readmodelcache.Cache[int64, domain.AccountSettings]
+}
+
+func newAccountSettingsCache(now func() time.Time) *accountSettingsCache {
+	return &accountSettingsCache{
+		cache: readmodelcache.New[int64, domain.AccountSettings](readmodelcache.Config[int64, domain.AccountSettings]{
+			MaxEntries: accountSettingsCacheMaxEntries,
+			TTL:        accountSettingsCacheTTL,
+			Now:        now,
+		}),
+	}
+}
+
+func (c *accountSettingsCache) getOrLoad(ctx context.Context, userID int64, load func() (domain.AccountSettings, error)) (domain.AccountSettings, error) {
+	if c == nil || userID == 0 {
+		return load()
+	}
+	return c.cache.GetOrLoad(ctx, userID, load)
+}
+
+func (c *accountSettingsCache) Delete(userID int64) {
+	if c == nil || userID == 0 {
+		return
+	}
+	c.cache.Invalidate(userID)
+}
+
+// cachedAccountSettings 取（缓存的）账号单例设置；服务未接通返回默认。
+func (r *Router) cachedAccountSettings(ctx context.Context, userID int64) (domain.AccountSettings, error) {
+	svc, ok := r.accountSettingsSvc()
+	if !ok {
+		return domain.DefaultAccountSettings(), nil
+	}
+	return r.accountSettings.getOrLoad(ctx, userID, func() (domain.AccountSettings, error) {
+		return svc.GetAccountSettings(ctx, userID)
+	})
+}