1 files changed, 69 insertions, 0 deletions
diff --git a/catalog-ui/src/app/ng2/services/data-type.service.ts b/catalog-ui/src/app/ng2/services/data-type.service.ts
new file mode 100644
index 0000000000..e7ea1a8430
--- /dev/null
+++ b/catalog-ui/src/app/ng2/services/data-type.service.ts
@@ -0,0 +1,69 @@
+import { Injectable } from '@angular/core';
+import { DataTypeModel, DataTypesMap, PropertyBEModel, PropertyFEModel, DerivedFEProperty, DerivedFEPropertyMap } from "app/models";
+import { DataTypesService } from "app/services/data-types-service";
+import { PROPERTY_DATA, PROPERTY_TYPES } from "app/utils";
+
+/** This is a new service for NG2, to eventually replace app/services/data-types-service.ts
+ *
+ *  This service is a singleton that holds a map of all DataTypes, recieved from server on load.
+ *  It also contains convenience methods to check if a string is a valid dataType, and to retrieve a dataType's properties recursively
+ */
+
+@Injectable()
+export class DataTypeService {
+    private dataTypes: DataTypesMap;
+
+    constructor(private dataTypeService: DataTypesService) {
+        this.dataTypes = dataTypeService.getAllDataTypes(); //This should eventually be replaced by an NG2 call to the backend instead of utilizing Angular1 downgraded component.
+    }
+
+    public getDataTypeByTypeName(typeName: string): DataTypeModel {
+        return this.dataTypes[typeName];
+    }
+/*
+    //if the dt derived from simple- return the first parent type, else- return null
+    public getTypeForDataTypeDerivedFromSimple = (dataTypeName:string):string => {
+        /////////temporary hack for tosca primitives///////////////////////
+        if (!this.dataTypes[dataTypeName]) {
+            return PROPERTY_TYPES.STRING;
+        }
+        ///////////////////////////////////////////////////////////////////
+        if (this.dataTypes[dataTypeName].derivedFromName == PROPERTY_DATA.ROOT_DATA_TYPE || this.dataTypes[dataTypeName].properties) {
+            return null;
+        }
+        if (PROPERTY_DATA.SIMPLE_TYPES.indexOf(this.dataTypes[dataTypeName].derivedFromName) > -1) {
+            return this.dataTypes[dataTypeName].derivedFromName
+        }
+        return this.getTypeForDataTypeDerivedFromSimple(this.dataTypes[dataTypeName].derivedFromName);
+    };
+
+    /**
+     * The function returns all properties for the DataType passed in, and recurses through parent dataTypes (derivedFrom) to retrieve their properties as well
+     * @param dataTypeObj
+     *
+    public getDataTypePropertiesRecursively(dataTypeObj: DataTypeModel): Array<PropertyBEModel> {
+        let propertiesArray: Array<PropertyBEModel> = dataTypeObj.properties || [];
+        if (PROPERTY_DATA.ROOT_DATA_TYPE !== dataTypeObj.derivedFromName) {
+            propertiesArray = propertiesArray.concat(this.getDataTypePropertiesRecursively(dataTypeObj.derivedFrom));
+        }
+        return propertiesArray;
+    }
+*/
+    
+    public getDerivedDataTypeProperties(dataTypeObj: DataTypeModel, propertiesArray: Array<DerivedFEProperty>, parentName: string) {
+        //push all child properties to array
+        if (dataTypeObj.properties) {
+            dataTypeObj.properties.forEach((derivedProperty) => {
+                propertiesArray.push(new DerivedFEProperty(derivedProperty, parentName));
+                let derivedDataTypeObj: DataTypeModel = this.getDataTypeByTypeName(derivedProperty.type);
+                this.getDerivedDataTypeProperties(derivedDataTypeObj, propertiesArray, parentName + "#" + derivedProperty.name);
+            });
+        }
+        //recurse parent (derivedFrom), in case one of parents contains properties
+        if (PROPERTY_DATA.ROOT_DATA_TYPE !== dataTypeObj.derivedFrom.name) {
+            this.getDerivedDataTypeProperties(dataTypeObj.derivedFrom, propertiesArray, parentName);
+        }    
+    }    
+    
+}
+