1 files changed, 42 insertions, 0 deletions
diff --git a/src/client/northstar/core/attribute/CalculatedAttributeModel.ts b/src/client/northstar/core/attribute/CalculatedAttributeModel.ts
new file mode 100644
index 000000000..ab96c794d
--- /dev/null
+++ b/src/client/northstar/core/attribute/CalculatedAttributeModel.ts
@@ -0,0 +1,42 @@
+import { BackendAttributeModel, AttributeModel, CodeAttributeModel } from "./AttributeModel";
+import { DataType, VisualizationHint } from '../../model/idea/idea'
+
+export class CalculatedAttributeManager {
+    public static AllCalculatedAttributes: Array<AttributeModel> = new Array<AttributeModel>();
+
+    public static Clear() {
+        this.AllCalculatedAttributes = new Array<AttributeModel>();
+    }
+
+    public static CreateBackendAttributeModel(id: string, dataType: DataType, displayName: string, codeName: string, visualizationHints: VisualizationHint[]): BackendAttributeModel {
+        var filtered = this.AllCalculatedAttributes.filter(am => {
+            if (am instanceof BackendAttributeModel &&
+                am.Id == id) {
+                return true;
+            }
+            return false;
+        });
+        if (filtered.length > 0) {
+            return filtered[0] as BackendAttributeModel;
+        }
+        var newAttr = new BackendAttributeModel(id, dataType, displayName, codeName, visualizationHints);
+        this.AllCalculatedAttributes.push(newAttr);
+        return newAttr;
+    }
+
+    public static CreateCodeAttributeModel(code: string, codeName: string, visualizationHints: VisualizationHint[]): CodeAttributeModel {
+        var filtered = this.AllCalculatedAttributes.filter(am => {
+            if (am instanceof CodeAttributeModel &&
+                am.CodeName == codeName) {
+                return true;
+            }
+            return false;
+        });
+        if (filtered.length > 0) {
+            return filtered[0] as CodeAttributeModel;
+        }
+        var newAttr = new CodeAttributeModel(code, codeName, codeName.ReplaceAll("_", " "), visualizationHints);
+        this.AllCalculatedAttributes.push(newAttr);
+        return newAttr;
+    }
+}
+\ No newline at end of file