init

bbs-go/server/internal/cache/forbidden_word_cache.go

@@ -0,0 +1,43 @@
+package cache
+
+import (
+	"bbs-go/internal/models"
+	"bbs-go/internal/repositories"
+	"log/slog"
+	"time"
+
+	"github.com/goburrow/cache"
+	"github.com/mlogclub/simple/sqls"
+)
+
+type forbiddenWordCache struct {
+	cache cache.LoadingCache
+}
+
+var ForbiddenWordCache = newForbiddenWordCache()
+
+func newForbiddenWordCache() *forbiddenWordCache {
+	return &forbiddenWordCache{
+		cache: cache.NewLoadingCache(
+			func(_ cache.Key) (value cache.Value, e error) {
+				value = repositories.ForbiddenWordRepository.Find(sqls.DB(), sqls.NewCnd())
+				return
+			},
+			cache.WithMaximumSize(1000),
+			cache.WithExpireAfterAccess(30*time.Minute),
+		),
+	}
+}
+
+func (c *forbiddenWordCache) Get() []models.ForbiddenWord {
+	val, err := c.cache.Get("_")
+	if err != nil {
+		slog.Error(err.Error(), slog.Any("err", err))
+		return nil
+	}
+	return val.([]models.ForbiddenWord)
+}
+
+func (c *forbiddenWordCache) Invalidate() {
+	c.cache.Invalidate("_")
+}