1 files changed, 100 insertions, 0 deletions
diff --git a/src/orchestrator/pkg/state/state_helper.go b/src/orchestrator/pkg/state/state_helper.go
new file mode 100644
index 00000000..1f926f8f
--- /dev/null
+++ b/src/orchestrator/pkg/state/state_helper.go
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2020 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package state
+
+import (
+	"encoding/json"
+
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/appcontext"
+	pkgerrors "github.com/pkg/errors"
+)
+
+// GetAppContextFromStateInfo loads the appcontext present in the StateInfo input
+func GetAppContextFromId(ctxid string) (appcontext.AppContext, error) {
+	var cc appcontext.AppContext
+	_, err := cc.LoadAppContext(ctxid)
+	if err != nil {
+		return appcontext.AppContext{}, err
+	}
+	return cc, nil
+}
+
+// GetCurrentStateFromStatInfo gets the last (current) state from StateInfo
+func GetCurrentStateFromStateInfo(s StateInfo) (StateValue, error) {
+	alen := len(s.Actions)
+	if alen == 0 {
+		return StateEnum.Undefined, pkgerrors.Errorf("No state information")
+	}
+	return s.Actions[alen-1].State, nil
+}
+
+// GetLastContextFromStatInfo gets the last (most recent) context id from StateInfo
+func GetLastContextIdFromStateInfo(s StateInfo) string {
+	alen := len(s.Actions)
+	if alen > 0 {
+		return s.Actions[alen-1].ContextId
+	} else {
+		return ""
+	}
+}
+
+// GetContextIdsFromStatInfo return a list of the unique AppContext Ids in the StateInfo
+func GetContextIdsFromStateInfo(s StateInfo) []string {
+	m := make(map[string]string)
+
+	for _, a := range s.Actions {
+		if a.ContextId != "" {
+			m[a.ContextId] = ""
+		}
+	}
+
+	ids := make([]string, len(m))
+	i := 0
+	for k := range m {
+		ids[i] = k
+		i++
+	}
+
+	return ids
+}
+
+func GetAppContextStatus(ctxid string) (appcontext.AppContextStatus, error) {
+
+	ac, err := GetAppContextFromId(ctxid)
+	if err != nil {
+		return appcontext.AppContextStatus{}, err
+	}
+
+	h, err := ac.GetCompositeAppHandle()
+	if err != nil {
+		return appcontext.AppContextStatus{}, err
+	}
+	sh, err := ac.GetLevelHandle(h, "status")
+	if err != nil {
+		return appcontext.AppContextStatus{}, err
+	}
+	s, err := ac.GetValue(sh)
+	if err != nil {
+		return appcontext.AppContextStatus{}, err
+	}
+	acStatus := appcontext.AppContextStatus{}
+	js, _ := json.Marshal(s)
+	json.Unmarshal(js, &acStatus)
+
+	return acStatus, nil
+
+}