Initial cloud-services repo - gateway service + pkg modules

pkg/redis/redisutils/check_set.go

@@ -0,0 +1,32 @@
+package redisutils
+
+import (
+	re "fiskerinc.com/modules/redis"
+	"github.com/gomodule/redigo/redis"
+	"github.com/pkg/errors"
+)
+
+func CheckSet(conn re.Client, id string, keys interface{}) ([]bool, error) {
+	ckeys, ok := keys.([]string)
+	if !ok {
+		return nil, errors.New("keys is not []string")
+	}
+
+	results := make([]bool, len(ckeys))
+	batch := re.NewRedisBatchCommands()
+
+	for _, key := range ckeys {
+		batch.Add("SISMEMBER", id, key)
+	}
+
+	values, err := conn.ExecuteBatch(batch)
+	if err != nil {
+		return results, err
+	}
+
+	err = redis.ScanSlice(values.([]interface{}), &results)
+	if err != nil {
+		return results, errors.WithStack(err)
+	}
+	return results, nil
+}