feat: implementing new datafile structural changes for json variable (#252)

* feat: implementing new datafile structural changes for json variable

Author: pawels-optimizely

pkg/config/datafileprojectconfig/entities/entities.go

@@ -68,6 +68,7 @@ type Variable struct {
 	ID           string                `json:"id"`
 	Key          string                `json:"key"`
 	Type         entities.VariableType `json:"type"`
+	SubType      entities.VariableType `json:"subType"`
 }
 
 // TrafficAllocation represents a traffic allocation range from the Optimizely datafile

pkg/config/datafileprojectconfig/mappers/feature.go

@@ -46,11 +46,17 @@ func MapFeatures(featureFlags []datafileEntities.FeatureFlag, rolloutMap map[str
 
 		variableMap := map[string]entities.Variable{}
 		for _, variable := range featureFlag.Variables {
+
+			realType := variable.Type
+			if variable.Type == entities.String && variable.SubType == entities.JSON {
+				realType = entities.JSON
+			}
 			variableMap[variable.Key] = entities.Variable{
 				DefaultValue: variable.DefaultValue,
 				ID:           variable.ID,
 				Key:          variable.Key,
-				Type:         variable.Type}
+				Type:         realType}
+
 		}
 
 		feature.FeatureExperiments = featureExperiments

pkg/config/datafileprojectconfig/mappers/feature_test.go

@@ -31,7 +31,7 @@ func TestMapFeatures(t *testing.T) {
 		"key": "test_feature_21111",
 		"rolloutId": "41111",
 		"experimentIds": ["31111"],
-		"variables": [{"defaultValue":"1","id":"1","key":"test","type":"integer"}]
+		"variables": [{"defaultValue":"1","id":"1","key":"test","type":"string", "subType": "json"}]
 	}`
 
 	var rawFeatureFlag datafileEntities.FeatureFlag
@@ -57,7 +57,7 @@ func TestMapFeatures(t *testing.T) {
 		ID:           "1",
 		DefaultValue: "1",
 		Key:          "test",
-		Type:         "integer",
+		Type:         "json",
 	}
 	expectedFeatureMap := map[string]entities.Feature{
 		"test_feature_21111": entities.Feature{