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feat: Add AI tool building capabilities (#7336)
Github issue / Community forum post (link here to close automatically): https://community.n8n.io/t/langchain-memory-chat/23733 --------- Signed-off-by: Oleg Ivaniv <me@olegivaniv.com> Co-authored-by: Oleg Ivaniv <me@olegivaniv.com> Co-authored-by: Val <68596159+valya@users.noreply.github.com> Co-authored-by: Alex Grozav <alex@grozav.com> Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in> Co-authored-by: Deborah <deborah@starfallprojects.co.uk> Co-authored-by: Jesper Bylund <mail@jesperbylund.com> Co-authored-by: Jon <jonathan.bennetts@gmail.com> Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com> Co-authored-by: Giulio Andreini <andreini@netseven.it> Co-authored-by: Mason Geloso <Mason.geloso@gmail.com> Co-authored-by: Mason Geloso <hone@Masons-Mac-mini.local> Co-authored-by: Mutasem Aldmour <mutasem@n8n.io>
This commit is contained in:
Jan Oberhauser
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/* eslint-disable n8n-nodes-base/node-dirname-against-convention */
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import { NodeConnectionType, NodeOperationError } from 'n8n-workflow';
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import type { IExecuteFunctions, INodeType, INodeTypeDescription, SupplyData } from 'n8n-workflow';
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import { XataChatMessageHistory } from 'langchain/stores/message/xata';
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import { BufferMemory } from 'langchain/memory';
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import { BaseClient } from '@xata.io/client';
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import { logWrapper } from '../../../utils/logWrapper';
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import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
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export class MemoryXata implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Xata',
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name: 'memoryXata',
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icon: 'file:xata.svg',
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group: ['transform'],
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version: 1,
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description: 'Use Xata Memory',
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defaults: {
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name: 'Xata',
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// eslint-disable-next-line n8n-nodes-base/node-class-description-non-core-color-present
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color: '#1321A7',
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},
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codex: {
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categories: ['AI'],
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subcategories: {
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AI: ['Memory'],
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},
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resources: {
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primaryDocumentation: [
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{
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url: 'https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.memoryxata/',
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},
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],
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},
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},
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// eslint-disable-next-line n8n-nodes-base/node-class-description-inputs-wrong-regular-node
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inputs: [],
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// eslint-disable-next-line n8n-nodes-base/node-class-description-outputs-wrong
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outputs: [NodeConnectionType.AiMemory],
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outputNames: ['Memory'],
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credentials: [
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{
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name: 'xataApi',
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required: true,
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},
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],
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properties: [
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getConnectionHintNoticeField([NodeConnectionType.AiAgent]),
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{
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displayName: 'Session ID',
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name: 'sessionId',
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type: 'string',
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required: true,
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default: '',
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},
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],
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};
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async supplyData(this: IExecuteFunctions, itemIndex: number): Promise<SupplyData> {
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const credentials = await this.getCredentials('xataApi');
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const xataClient = new BaseClient({
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apiKey: credentials.apiKey as string,
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branch: (credentials.branch as string) || 'main',
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databaseURL: credentials.databaseEndpoint as string,
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});
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const sessionId = this.getNodeParameter('sessionId', itemIndex) as string;
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const table = (credentials.databaseEndpoint as string).match(
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/https:\/\/[^.]+\.[^.]+\.xata\.sh\/db\/([^\/:]+)/,
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);
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if (table === null) {
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throw new NodeOperationError(
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this.getNode(),
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'It was not possible to extract the table from the Database Endpoint.',
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);
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}
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const memory = new BufferMemory({
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chatHistory: new XataChatMessageHistory({
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table: table[1],
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sessionId,
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client: xataClient,
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apiKey: credentials.apiKey as string,
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}),
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memoryKey: 'chat_history',
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returnMessages: true,
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});
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return {
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response: logWrapper(memory, this),
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};
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}
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}
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@@ -0,0 +1 @@
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