52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package repository
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import (
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"context"
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"strings"
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"time"
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"github.com/Wei-Shaw/sub2api/internal/config"
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"github.com/Wei-Shaw/sub2api/internal/service"
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"github.com/redis/go-redis/v9"
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)
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const dashboardStatsCacheKey = "dashboard:stats:v1"
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type dashboardCache struct {
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rdb *redis.Client
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keyPrefix string
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}
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func NewDashboardCache(rdb *redis.Client, cfg *config.Config) service.DashboardStatsCache {
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prefix := "sub2api:"
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if cfg != nil {
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prefix = strings.TrimSpace(cfg.Dashboard.KeyPrefix)
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}
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return &dashboardCache{
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rdb: rdb,
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keyPrefix: prefix,
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}
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}
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func (c *dashboardCache) GetDashboardStats(ctx context.Context) (string, error) {
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val, err := c.rdb.Get(ctx, c.buildKey()).Result()
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if err != nil {
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if err == redis.Nil {
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return "", service.ErrDashboardStatsCacheMiss
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}
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return "", err
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}
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return val, nil
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}
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func (c *dashboardCache) SetDashboardStats(ctx context.Context, data string, ttl time.Duration) error {
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return c.rdb.Set(ctx, c.buildKey(), data, ttl).Err()
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}
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func (c *dashboardCache) buildKey() string {
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if c.keyPrefix == "" {
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return dashboardStatsCacheKey
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}
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return c.keyPrefix + dashboardStatsCacheKey
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}
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