feat(Data Table Node): Add Data Table Node (no-changelog) (#18556)

packages/nodes-base/nodes/DataTable/common/methods.ts

@@ -0,0 +1,79 @@
+import type {
+	ILoadOptionsFunctions,
+	INodeListSearchResult,
+	INodePropertyOptions,
+	ResourceMapperField,
+	ResourceMapperFields,
+} from 'n8n-workflow';
+
+import { getDataTableAggregateProxy, getDataTableProxyLoadOptions } from './utils';
+
+// @ADO-3904: Pagination here does not work until a filter is entered or removed, suspected bug in ResourceLocator
+export async function tableSearch(
+	this: ILoadOptionsFunctions,
+	filterString?: string,
+	prevPaginationToken?: string,
+): Promise<INodeListSearchResult> {
+	const proxy = await getDataTableAggregateProxy(this);
+
+	const skip = prevPaginationToken === undefined ? 0 : parseInt(prevPaginationToken, 10);
+	const take = 100;
+	const filter = filterString === undefined ? {} : { filter: { name: filterString.toLowerCase() } };
+	const result = await proxy.getManyAndCount({
+		skip,
+		take,
+		...filter,
+	});
+
+	const results = result.data.map((row) => {
+		return {
+			name: row.name,
+			value: row.id,
+		};
+	});
+
+	const paginationToken = results.length === take ? `${skip + take}` : undefined;
+
+	return {
+		results,
+		paginationToken,
+	};
+}
+
+export async function getDataTableColumns(this: ILoadOptionsFunctions) {
+	// eslint-disable-next-line n8n-nodes-base/node-param-display-name-miscased-id, n8n-nodes-base/node-param-display-name-miscased
+	const returnData: INodePropertyOptions[] = [{ name: 'id - (string)', value: 'id' }];
+	const proxy = await getDataTableProxyLoadOptions(this);
+	const columns = await proxy.getColumns();
+	for (const column of columns) {
+		returnData.push({
+			name: `${column.name} - (${column.type})`,
+			value: column.name,
+		});
+	}
+	return returnData;
+}
+
+export async function getDataTables(this: ILoadOptionsFunctions): Promise<ResourceMapperFields> {
+	const proxy = await getDataTableProxyLoadOptions(this);
+	const result = await proxy.getColumns();
+
+	const fields: ResourceMapperField[] = [];
+
+	for (const field of result) {
+		const type = field.type === 'date' ? 'dateTime' : field.type;
+
+		fields.push({
+			id: field.name,
+			displayName: field.name,
+			required: false,
+			defaultMatch: false,
+			display: true,
+			type,
+			readOnly: false,
+			removed: false,
+		});
+	}
+
+	return { fields };
+}