n8n
Version:
n8n Workflow Automation Tool
162 lines • 7.52 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.ChatExecutionManager = void 0;
const db_1 = require("@n8n/db");
const di_1 = require("@n8n/di");
const n8n_core_1 = require("n8n-core");
const n8n_workflow_1 = require("n8n-workflow");
const not_found_error_1 = require("../errors/response-errors/not-found.error");
const WorkflowExecuteAdditionalData = __importStar(require("../workflow-execute-additional-data"));
const workflow_runner_1 = require("../workflow-runner");
const node_types_1 = require("../node-types");
const ownership_service_1 = require("../services/ownership.service");
let ChatExecutionManager = class ChatExecutionManager {
constructor(executionRepository, workflowRunner, ownershipService, nodeTypes) {
this.executionRepository = executionRepository;
this.workflowRunner = workflowRunner;
this.ownershipService = ownershipService;
this.nodeTypes = nodeTypes;
}
async runWorkflow(execution, message) {
await this.workflowRunner.run(await this.getRunData(execution, message), true, true, execution.id);
}
async cancelExecution(executionId) {
const execution = await this.executionRepository.findSingleExecution(executionId, {
includeData: true,
unflattenData: true,
});
if (!execution)
return;
if (['running', 'waiting', 'unknown'].includes(execution.status)) {
await this.executionRepository.update({ id: executionId }, { status: 'canceled' });
}
}
async findExecution(executionId) {
return await this.executionRepository.findSingleExecution(executionId, {
includeData: true,
unflattenData: true,
});
}
async checkIfExecutionExists(executionId) {
return await this.executionRepository.findSingleExecution(executionId);
}
getWorkflow(execution) {
const { workflowData } = execution;
return new n8n_workflow_1.Workflow({
id: workflowData.id,
name: workflowData.name,
nodes: workflowData.nodes,
connections: workflowData.connections,
active: workflowData.active,
nodeTypes: this.nodeTypes,
staticData: workflowData.staticData,
settings: workflowData.settings,
});
}
async mapFilesToBinaryData(context, files) {
if (!files)
return;
const binary = {};
for (const [index, file] of files.entries()) {
const base64 = file.data;
const buffer = Buffer.from(base64, n8n_workflow_1.BINARY_ENCODING);
const binaryData = await context.helpers.prepareBinaryData(buffer, file.name, file.type);
binary[`data_${index}`] = binaryData;
}
return binary;
}
async runNode(execution, message) {
const workflow = this.getWorkflow(execution);
const lastNodeExecuted = execution.data.resultData.lastNodeExecuted;
const node = workflow.getNode(lastNodeExecuted);
const additionalData = await WorkflowExecuteAdditionalData.getBase();
const executionData = execution.data.executionData?.nodeExecutionStack[0];
if (!node || !executionData)
return null;
const inputData = executionData.data;
const connectionInputData = executionData.data.main[0];
const nodeType = workflow.nodeTypes.getByNameAndVersion(node.type, node.typeVersion);
const context = new n8n_core_1.ExecuteContext(workflow, node, additionalData, 'manual', execution.data, 0, connectionInputData ?? [], inputData, executionData, []);
const { sessionId, action, chatInput, files } = message;
const binary = await this.mapFilesToBinaryData(context, files);
const nodeExecutionData = { json: { sessionId, action, chatInput } };
if (binary && Object.keys(binary).length > 0) {
nodeExecutionData.binary = binary;
}
if (nodeType.onMessage) {
return await nodeType.onMessage(context, nodeExecutionData);
}
return [[nodeExecutionData]];
}
async getRunData(execution, message) {
const { workflowData, mode: executionMode, data: runExecutionData } = execution;
runExecutionData.executionData.nodeExecutionStack[0].data.main = (await this.runNode(execution, message)) ?? [[{ json: message }]];
let project = undefined;
try {
project = await this.ownershipService.getWorkflowProjectCached(workflowData.id);
}
catch (error) {
throw new not_found_error_1.NotFoundError('Cannot find workflow');
}
const runData = {
executionMode,
executionData: runExecutionData,
pushRef: runExecutionData.pushRef,
workflowData,
pinData: runExecutionData.resultData.pinData,
projectId: project?.id,
};
return runData;
}
};
exports.ChatExecutionManager = ChatExecutionManager;
exports.ChatExecutionManager = ChatExecutionManager = __decorate([
(0, di_1.Service)(),
__metadata("design:paramtypes", [db_1.ExecutionRepository,
workflow_runner_1.WorkflowRunner,
ownership_service_1.OwnershipService,
node_types_1.NodeTypes])
], ChatExecutionManager);
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