n8n
Version:
n8n Workflow Automation Tool
183 lines • 8.77 kB
JavaScript
"use strict";
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.WorkflowBuilderService = void 0;
const ai_workflow_builder_1 = require("@n8n/ai-workflow-builder");
const backend_common_1 = require("@n8n/backend-common");
const config_1 = require("@n8n/config");
const di_1 = require("@n8n/di");
const ai_assistant_sdk_1 = require("@n8n_io/ai-assistant-sdk");
const fs = __importStar(require("fs"));
const n8n_core_1 = require("n8n-core");
const path = __importStar(require("path"));
const constants_1 = require("../constants");
const license_1 = require("../license");
const load_nodes_and_credentials_1 = require("../load-nodes-and-credentials");
const workflow_builder_1 = require("../modules/workflow-builder");
const push_1 = require("../push");
const dynamic_node_parameters_service_1 = require("../services/dynamic-node-parameters.service");
const url_service_1 = require("../services/url.service");
const telemetry_1 = require("../telemetry");
const workflow_execute_additional_data_1 = require("../workflow-execute-additional-data");
let WorkflowBuilderService = class WorkflowBuilderService {
constructor(loadNodesAndCredentials, license, config, logger, urlService, push, telemetry, instanceSettings, dynamicNodeParametersService, sessionRepository) {
this.loadNodesAndCredentials = loadNodesAndCredentials;
this.license = license;
this.config = config;
this.logger = logger;
this.urlService = urlService;
this.push = push;
this.telemetry = telemetry;
this.instanceSettings = instanceSettings;
this.dynamicNodeParametersService = dynamicNodeParametersService;
this.sessionRepository = sessionRepository;
this.loadNodesAndCredentials.addPostProcessor(async () => await this.refreshNodeTypes());
}
async refreshNodeTypes() {
if (this.service) {
const { nodes: nodeTypeDescriptions } = await this.loadNodesAndCredentials.collectTypes();
this.service.updateNodeTypes(nodeTypeDescriptions);
}
}
async getService() {
if (this.service)
return this.service;
this.initPromise ??= this.initializeService();
return await this.initPromise;
}
async initializeService() {
const baseUrl = this.config.aiAssistant.baseUrl;
if (baseUrl) {
const licenseCert = await this.license.loadCertStr();
const consumerId = this.license.getConsumerId();
this.client = new ai_assistant_sdk_1.AiAssistantClient({
licenseCert,
consumerId,
baseUrl,
n8nVersion: constants_1.N8N_VERSION,
instanceId: this.instanceSettings.instanceId,
});
this.license.onCertRefresh((cert) => {
this.client?.updateLicenseCert(cert);
});
}
const onCreditsUpdated = (userId, creditsQuota, creditsClaimed) => {
this.push.sendToUsers({
type: 'updateBuilderCredits',
data: {
creditsQuota,
creditsClaimed,
},
}, [userId]);
};
const onTelemetryEvent = (event, properties) => {
this.telemetry.track(event, properties);
};
const resourceLocatorCallbackFactory = (userId) => {
return async (methodName, path, nodeTypeAndVersion, currentNodeParameters, credentials, filter, paginationToken) => {
const additionalData = await (0, workflow_execute_additional_data_1.getBase)({
userId,
currentNodeParameters,
});
return await this.dynamicNodeParametersService.getResourceLocatorResults(methodName, path, additionalData, nodeTypeAndVersion, currentNodeParameters, credentials, filter, paginationToken);
};
};
await this.loadNodesAndCredentials.postProcessLoaders();
const { nodes: nodeTypeDescriptions } = await this.loadNodesAndCredentials.collectTypes();
this.service = new ai_workflow_builder_1.AiWorkflowBuilderService(nodeTypeDescriptions, this.sessionRepository, this.client, this.logger, this.instanceSettings.instanceId, this.urlService.getInstanceBaseUrl(), constants_1.N8N_VERSION, onCreditsUpdated, onTelemetryEvent, this.resolveBuiltinNodeDefinitionDirs(), resourceLocatorCallbackFactory);
return this.service;
}
resolveBuiltinNodeDefinitionDirs() {
const dirs = [];
for (const packageId of ['n8n-nodes-base', '@n8n/n8n-nodes-langchain']) {
try {
const packageJsonPath = require.resolve(`${packageId}/package.json`);
const distDir = path.dirname(packageJsonPath);
const nodeDefsDir = path.join(distDir, 'dist', 'node-definitions');
if (fs.existsSync(nodeDefsDir)) {
dirs.push(nodeDefsDir);
}
}
catch {
}
}
return dirs;
}
async *chat(payload, user, abortSignal) {
const service = await this.getService();
yield* service.chat(payload, user, abortSignal);
}
async getSessions(workflowId, user) {
const service = await this.getService();
const sessions = await service.getSessions(workflowId, user);
return sessions;
}
async getBuilderInstanceCredits(user) {
const service = await this.getService();
return await service.getBuilderInstanceCredits(user);
}
async clearSession(workflowId, user) {
const service = await this.getService();
await service.clearSession(workflowId, user);
}
async truncateMessagesAfter(workflowId, user, messageId, versionCardId) {
const service = await this.getService();
return await service.truncateMessagesAfter(workflowId, user, messageId, versionCardId);
}
};
exports.WorkflowBuilderService = WorkflowBuilderService;
exports.WorkflowBuilderService = WorkflowBuilderService = __decorate([
(0, di_1.Service)(),
__metadata("design:paramtypes", [load_nodes_and_credentials_1.LoadNodesAndCredentials,
license_1.License,
config_1.GlobalConfig,
backend_common_1.Logger,
url_service_1.UrlService,
push_1.Push,
telemetry_1.Telemetry,
n8n_core_1.InstanceSettings,
dynamic_node_parameters_service_1.DynamicNodeParametersService,
workflow_builder_1.WorkflowBuilderSessionRepository])
], WorkflowBuilderService);
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