Service Import - Read metadata from csar

Also exports metadata to the tosca template and
fixes service metadata not being set when the create button is clicked

Issue-ID: SDC-4044
Signed-off-by: JvD_Ericsson <jeff.van.dam@est.tech>
Change-Id: I6f8428d9ed385335c05e7b994e622229ea00342b

2 files changed, 157 insertions, 0 deletions

diff --git a/catalog-ui/src/app/utils/file-utils.ts b/catalog-ui/src/app/utils/file-utils.ts
index d726736bd4..4b6f330354 100644
--- a/catalog-ui/src/app/utils/file-utils.ts
+++ b/catalog-ui/src/app/utils/file-utils.ts
@@ -66,6 +66,24 @@ export class FileUtils {
             "cancelable": true
         });
         downloadLink.dispatchEvent(clickEvent);
+    }
 
+    public getEntryDefinitionFileNameFromCsarBlob = (csarBlob:Blob):Promise<any> => {
+        let JSZip = require("jszip");
+        return JSZip.loadAsync(csarBlob).then(zip => {
+            return zip.file("TOSCA-Metadata/TOSCA.meta").async("string");
+        }).then((toscaMetaData: string) => {
+            let fileEntities:Array<string> = toscaMetaData.replace("\r", "").split("\n");
+            let entryDefinitionFilename:string = fileEntities.find(element => !element.search("Entry-Definitions"))
+                .replace("Entry-Definitions:", "").trim();
+            return entryDefinitionFilename;
+        });
+    }
+
+    public getFileNameDataFromCsarBlob = (csarBlob:Blob, fileName:string):Promise<any> => {
+        let JSZip = require("jszip");
+        return JSZip.loadAsync(csarBlob).then(zip => {
+            return zip.file(fileName).async("string");
+        });
     }
 }
diff --git a/catalog-ui/src/app/utils/service-csar-reader.ts b/catalog-ui/src/app/utils/service-csar-reader.ts
new file mode 100644
index 0000000000..73b77559e2
--- /dev/null
+++ b/catalog-ui/src/app/utils/service-csar-reader.ts
@@ -0,0 +1,139 @@
+/*
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2022 Nordix Foundation. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+import {ServiceCsar, ToscaMetaEntry} from "../models";
+import {load} from 'js-yaml';
+import { ComponentType } from "./constants";
+
+export class ServiceCsarReader {
+
+    private serviceCsar = new ServiceCsar();
+
+    public read(serviceCsarBlob:Blob): Promise<ServiceCsar> {
+        const jsZip = require("jszip");
+        return new Promise<ServiceCsar>((resolve) => {
+            jsZip.loadAsync(serviceCsarBlob).then(async zip => {
+                const toscaMetaFileContent = await zip.file("TOSCA-Metadata/TOSCA.meta").async("string");
+                this.readToscaMeta(toscaMetaFileContent);
+                const entryDefinitionFileContent = await zip.file(this.serviceCsar.entryDefinitionFileName).async("string");
+                this.readServiceMetadata(entryDefinitionFileContent);
+                const interfaceDefinitionFileContent = await zip.file(this.serviceCsar.interfaceDefinitionFileName).async("string");
+                this.readServiceSubstitutionNode(interfaceDefinitionFileContent);
+                resolve(this.serviceCsar);
+            });
+        });
+    }
+
+    private readToscaMeta(toscaMetaFileContent:string) {
+        let fileEntities:Array<string> = toscaMetaFileContent.replace("\r", "").split("\n");
+        for(let entity of fileEntities.filter(e => e)) {
+            let mapEntry:Array<string> = entity.split(":");
+            let key:string = mapEntry[0].trim();
+            let value:string = mapEntry[1].trim();
+            this.serviceCsar.toscaMeta.dataMap.set(key, value);
+        }
+        this.readEntryDefinitionFileName();
+        this.readInterfaceDefinitionFileName();
+    }
+
+    private readEntryDefinitionFileName() {
+        this.serviceCsar.entryDefinitionFileName = this.serviceCsar.toscaMeta.getEntry(ToscaMetaEntry.ENTRY_DEFINITIONS);
+    }
+
+    private readInterfaceDefinitionFileName() {
+        let fileNameArray:Array<string> = this.serviceCsar.entryDefinitionFileName.split(".");
+        fileNameArray.splice(fileNameArray.length - 1, 0, "-interface.");
+        this.serviceCsar.interfaceDefinitionFileName = fileNameArray.join("");
+    }
+
+    private readServiceMetadata(entryDefinitionFileContent) {
+        const metadata = load(entryDefinitionFileContent).metadata;
+        this.setMetadata(metadata);
+    }
+
+    private readServiceSubstitutionNode(interfaceDefinitionFileContent) {
+        const nodeTypes = load(interfaceDefinitionFileContent).node_types;
+        let nodeType = Object.keys(nodeTypes).values().next().value;
+        this.serviceCsar.substitutionNodeType = nodeTypes[nodeType]["derived_from"];
+    }
+
+    private setMetadata = (metadata:object) : void => {
+        let extraServiceMetadata: Map<string, string> = new Map<string, string>();
+        this.serviceCsar.serviceMetadata.componentType = ComponentType.SERVICE;
+        this.serviceCsar.serviceMetadata.serviceType = "Service";
+        Object.keys(metadata).forEach(variable => {
+            switch(variable) {
+                case "description": {
+                    this.serviceCsar.serviceMetadata.description = metadata[variable];
+                    break;
+                }
+                case "name": {
+                    this.serviceCsar.serviceMetadata.name = metadata[variable];
+                    break;
+                }
+                case "model": {
+                    this.serviceCsar.serviceMetadata.model = metadata[variable];
+                    break;
+                }
+                case "category": {
+                    this.serviceCsar.serviceMetadata.selectedCategory = metadata[variable];
+                    break;
+                }
+                case "serviceRole": {
+                    this.serviceCsar.serviceMetadata.serviceRole = metadata[variable];
+                    break;
+                }
+                case "serviceFunction": {
+                    this.serviceCsar.serviceMetadata.serviceFunction = metadata[variable];
+                    break;
+                }
+                case "environmentContext": {
+                    if (metadata[variable] != null) {
+                        this.serviceCsar.serviceMetadata.environmentContext = metadata[variable];
+                    }
+                    break;
+                }
+                case "instantiationType": {
+                    if (metadata[variable] != null) {
+                        this.serviceCsar.serviceMetadata.instantiationType = metadata[variable];
+                    }
+                    break;
+                }
+                case "ecompGeneratedNaming": {
+                    if (metadata[variable] != null) {
+                        this.serviceCsar.serviceMetadata.ecompGeneratedNaming = metadata[variable] == "false" ? false : true;
+                    }
+                    break;
+                }
+                case "namingPolicy": {
+                    if (metadata["ecompGeneratedNaming"] != "false") {
+                        this.serviceCsar.serviceMetadata.namingPolicy = metadata[variable];
+                    }
+                    break;
+                }
+                default: {
+                    extraServiceMetadata.set(variable, metadata[variable])
+                    break;
+                }
+            }
+        });
+        this.serviceCsar.extraServiceMetadata = extraServiceMetadata;
+    }
+}
\ No newline at end of file