42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
package adminfinance
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import (
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"context"
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"encoding/json"
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"fmt"
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"time"
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)
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const dashboardCacheTTL = time.Minute
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func (r *Repository) dashboardCacheKey(query DashboardQuery) string {
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return fmt.Sprintf("admin-finance:dashboard:v1:%d:%d", query.StartDate.Unix(), query.EndDate.Unix())
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}
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func (r *Repository) loadDashboardCache(ctx context.Context, query DashboardQuery) *DashboardDTO {
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if r.redis == nil {
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return nil
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}
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raw, err := r.redis.Get(ctx, r.dashboardCacheKey(query)).Bytes()
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if err != nil {
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return nil
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}
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var value DashboardDTO
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if err := json.Unmarshal(raw, &value); err != nil {
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return nil
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}
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return &value
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}
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func (r *Repository) storeDashboardCache(ctx context.Context, query DashboardQuery, value *DashboardDTO) {
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if r.redis == nil || value == nil {
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return
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}
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raw, err := json.Marshal(value)
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if err != nil {
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return
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}
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// 缓存不可用时静默降级到实时统计，不能影响财务页面可用性。
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_ = r.redis.Set(ctx, r.dashboardCacheKey(query), raw, dashboardCacheTTL).Err()
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}
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