sync of changes

pkg/cache/cache.go

@@ -1,6 +1,16 @@
 package cache
 
-import "io"
+import (
+	"crypto/sha256"
+	"errors"
+	"fmt"
+	"io"
+)
+
+var (
+	// ErrNotFound is returned when the key is not found in the cache
+	ErrNotFound = errors.New("key not found")
+)
 
 type Cache interface {
 	Get(key string, writer io.Writer) error
@@ -13,3 +23,42 @@ type Cache interface {
 
 	Delete(key string) error
 }
+
+type ShaWrapper struct {
+	Cache Cache
+}
+
+func (s ShaWrapper) hash(key string) string {
+	// hash the key to a sha256
+	hash := sha256.Sum256([]byte(key))
+
+	// return the hex representation of the hash
+	return fmt.Sprintf("%x", hash)
+}
+func (s ShaWrapper) Get(key string, writer io.Writer) error {
+	return s.Cache.Get(s.hash(key), writer)
+}
+
+func (s ShaWrapper) GetString(key string) (string, error) {
+	return s.Cache.GetString(s.hash(key))
+}
+
+func (s ShaWrapper) GetJSON(key string, value any) error {
+	return s.Cache.GetJSON(s.hash(key), value)
+}
+
+func (s ShaWrapper) Set(key string, value io.Reader) error {
+	return s.Cache.Set(s.hash(key), value)
+}
+
+func (s ShaWrapper) SetJSON(key string, value any) error {
+	return s.Cache.SetJSON(s.hash(key), value)
+}
+
+func (s ShaWrapper) SetString(key string, value string) error {
+	return s.Cache.SetString(s.hash(key), value)
+}
+
+func (s ShaWrapper) Delete(key string) error {
+	return s.Cache.Delete(s.hash(key))
+}