add list basics

list.go

@@ -0,0 +1,62 @@
+package state
+
+import (
+	"encoding/json"
+	"reflect"
+)
+
+type uniqueList struct {
+	store    StateStore
+	storeKey string
+	data     map[string][]byte
+}
+
+func NewUniqueList(store StateStore, storeKey string) uniqueList {
+	l := uniqueList{store: store}
+	l.data = make(map[string][]byte)
+	l.storeKey = storeKey
+
+	return l
+}
+
+func (l *uniqueList) persist() error {
+	err := l.store.StoreState(l.storeKey, l.data)
+	return err
+}
+
+func (l *uniqueList) AddItem(key string, item any) error {
+	data, err := json.Marshal(item)
+	if err != nil {
+		return err
+	}
+
+	l.data[key] = data
+	err = l.persist()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (l *uniqueList) ItemExists(key string) (bool, error) {
+	_, ok := l.data[key]
+	return ok, nil
+}
+
+func (l *uniqueList) GetList(data []any) error {
+	element := reflect.TypeOf(data).Elem()
+	var err error
+
+	for _, dataByte := range l.data {
+		new := reflect.New(element)
+		err = json.Unmarshal(dataByte, &new)
+		if err != nil {
+			return err
+		}
+
+		data = append(data, new)
+	}
+
+	return nil
+}

state_test.go

@@ -109,7 +109,7 @@ func TestRamState(t *testing.T) {
 	assert.Nil(t, err, "should be save stater without error")
 
 	err = store.GetState("something", &dataFromStore)
-	assert.Nil(t, err, "should be able to get data from stroe without error")
+	assert.Nil(t, err, "should be able to get data from store without error")
 
 	assert.Equal(t, result, dataFromStore, "should get correct data from store")