REFACTOR: add asset_type query parameter to getDataDocs and separate data docs methods

src/modules/catalog/catalog.service.ts

@@ -340,10 +340,8 @@ class CatalogService implements OnModuleInit {
   }
 
   async getDataDocs(id: string, assetType: string, metadata: Metadata) {
-    const requestType = assetType === 'dataset' ? undefined : assetType;
-    
     const { documentation } = await lastValueFrom(
-      this.catalogReadService.GetDatasetDoc({ id, type: requestType }, metadata),
+      this.catalogReadService.GetDatasetDoc({ id }, metadata),
     );
  
     const docs = JSON.parse(documentation);
@@ -374,14 +372,24 @@ class CatalogService implements OnModuleInit {
 
   async createDataDocs(body: CreateDataDocsDTO, metadata: Metadata) {
     if (body.asset_type === 'table' || body.asset_type === 'view') {
-      const nimbusUrl = this._getNimbusUrl(body);
-      const { data } = await axios.post(
-        `${nimbusUrl}/api/catalog/data-docs/`,
-        body,
-      );
-      return data;
+      return this.createDataDocsViaNimbus(body);
     }
-        
+    
+    return this.createDataDocsViaGrpc(body, metadata);
+  }
+
+  private async createDataDocsViaNimbus(body: CreateDataDocsDTO) {
+    this.logger.info('Creating data docs via Nimbus for table/view');
+    const nimbusUrl = this._getNimbusUrl(body);
+    const { data } = await axios.post(
+      `${nimbusUrl}/api/catalog/data-docs/`,
+      body,
+    );
+    return data;
+  }
+
+  private async createDataDocsViaGrpc(body: CreateDataDocsDTO, metadata: Metadata) {
+    this.logger.info('Creating data docs via gRPC for other asset types');
     try {
       const response: any = await lastValueFrom(
         this.catalogWriteService.UpdateDataAssetDoc(