@nocobase/plugin-workflow
Version:
A powerful BPM tool that provides foundational support for business automation, with the capability to extend unlimited triggers and nodes.
314 lines (312 loc) • 10.7 kB
JavaScript
/**
* This file is part of the NocoBase (R) project.
* Copyright (c) 2020-2024 NocoBase Co., Ltd.
* Authors: NocoBase Team.
*
* This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
* For more information, please refer to: https://www.nocobase.com/agreement.
*/
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var nodes_exports = {};
__export(nodes_exports, {
create: () => create,
destroy: () => destroy,
test: () => test,
update: () => update
});
module.exports = __toCommonJS(nodes_exports);
var import_actions = require("@nocobase/actions");
var import_database = require("@nocobase/database");
var import__ = __toESM(require(".."));
async function create(context, next) {
const { db } = context;
const repository = import_actions.utils.getRepositoryFromParams(context);
const { whitelist, blacklist, updateAssociationValues, values, associatedIndex: workflowId } = context.action.params;
const workflowPlugin = context.app.pm.get(import__.default);
context.body = await db.sequelize.transaction(async (transaction) => {
const workflow = workflowPlugin.enabledCache.get(Number.parseInt(workflowId, 10)) || await repository.getSourceModel(transaction);
if (!workflow.versionStats) {
workflow.versionStats = await workflow.getVersionStats({ transaction });
}
if (workflow.versionStats.executed > 0) {
context.throw(400, "Node could not be created in executed workflow");
}
const NODES_LIMIT = process.env.WORKFLOW_NODES_LIMIT ? parseInt(process.env.WORKFLOW_NODES_LIMIT, 10) : null;
if (NODES_LIMIT) {
const nodesCount = await workflow.countNodes({ transaction });
if (nodesCount >= NODES_LIMIT) {
context.throw(400, `The number of nodes in a workflow cannot exceed ${NODES_LIMIT}`);
}
}
const instance = await repository.create({
values,
whitelist,
blacklist,
updateAssociationValues,
context,
transaction
});
if (!instance.upstreamId) {
const previousHead = await repository.findOne({
filter: {
id: {
$ne: instance.id
},
upstreamId: null
},
transaction
});
if (previousHead) {
await previousHead.setUpstream(instance, { transaction });
await instance.setDownstream(previousHead, { transaction });
instance.set("downstream", previousHead);
}
return instance;
}
const upstream = await instance.getUpstream({ transaction });
if (instance.branchIndex == null) {
const downstream = await upstream.getDownstream({ transaction });
if (downstream) {
await downstream.setUpstream(instance, { transaction });
await instance.setDownstream(downstream, { transaction });
instance.set("downstream", downstream);
}
await upstream.update(
{
downstreamId: instance.id
},
{ transaction }
);
upstream.set("downstream", instance);
} else {
const [downstream] = await upstream.getBranches({
where: {
id: {
[import_database.Op.ne]: instance.id
},
branchIndex: instance.branchIndex
},
transaction
});
if (downstream) {
await downstream.update(
{
upstreamId: instance.id,
branchIndex: null
},
{ transaction }
);
await instance.setDownstream(downstream, { transaction });
instance.set("downstream", downstream);
}
}
instance.set("upstream", upstream);
return instance;
});
await next();
}
function searchBranchNodes(nodes, from) {
const branchHeads = nodes.filter((item) => item.upstreamId === from.id && item.branchIndex != null);
return branchHeads.reduce(
(flatten, head) => flatten.concat(searchBranchDownstreams(nodes, head)),
[]
);
}
function searchBranchDownstreams(nodes, from) {
let result = [];
for (let search = from; search; search = search.downstream) {
result = [...result, search, ...searchBranchNodes(nodes, search)];
}
return result;
}
function findBranchTail(branchHead) {
let tail = branchHead;
while (tail.downstream) {
tail = tail.downstream;
}
return tail;
}
async function destroy(context, next) {
const { db } = context;
const repository = import_actions.utils.getRepositoryFromParams(context);
const { filterByTk, keepBranch } = context.action.params;
const keepBranchIndex = keepBranch == null || keepBranch === "" ? null : Number.parseInt(keepBranch, 10);
const fields = ["id", "upstreamId", "downstreamId", "branchIndex", "key"];
const instance = await repository.findOne({
filterByTk,
fields: [...fields, "workflowId"],
appends: ["upstream", "downstream", "workflow.versionStats.executed"]
});
if (!instance) {
context.throw(404, "Node not found");
}
if (instance.workflow.versionStats.executed > 0) {
context.throw(400, "Nodes in executed workflow could not be deleted");
}
await db.sequelize.transaction(async (transaction) => {
const { upstream, downstream } = instance.get();
const nodes = await repository.find({
filter: {
workflowId: instance.workflowId
},
fields,
transaction
});
const nodesMap = /* @__PURE__ */ new Map();
nodes.forEach((item) => {
nodesMap.set(item.id, item);
});
nodes.forEach((item) => {
if (item.upstreamId) {
item.upstream = nodesMap.get(item.upstreamId);
}
if (item.downstreamId) {
item.downstream = nodesMap.get(item.downstreamId);
}
});
const keepBranchHead = keepBranchIndex != null ? nodes.find((item) => item.upstreamId === instance.id && item.branchIndex == keepBranchIndex) : null;
if (keepBranchIndex != null && !keepBranchHead) {
context.throw(400, `Branch ${keepBranchIndex} not found`);
}
const keepBranchNodes = keepBranchHead ? searchBranchDownstreams(nodes, keepBranchHead) : [];
const keepBranchNodeIds = new Set(keepBranchNodes.map((item) => item.id));
const branchNodes = instance ? searchBranchNodes(nodes, instance) : [];
const branchNodesToDelete = keepBranchHead ? branchNodes.filter((item) => !keepBranchNodeIds.has(item.id)) : branchNodes;
if (keepBranchHead) {
if (upstream && upstream.downstreamId === instance.id) {
await upstream.update(
{
downstreamId: keepBranchHead.id
},
{ transaction }
);
}
await keepBranchHead.update(
{
upstreamId: instance.upstreamId,
branchIndex: instance.branchIndex
},
{ transaction }
);
if (downstream) {
const branchTail = findBranchTail(keepBranchHead);
await branchTail.update(
{
downstreamId: instance.downstreamId
},
{ transaction }
);
branchTail.downstreamId = instance.downstreamId;
branchTail.downstream = downstream;
await downstream.update(
{
upstreamId: branchTail.id,
branchIndex: null
},
{ transaction }
);
}
} else {
if (upstream && upstream.downstreamId === instance.id) {
await upstream.update(
{
downstreamId: instance.downstreamId
},
{ transaction }
);
}
if (downstream) {
await downstream.update(
{
upstreamId: instance.upstreamId,
branchIndex: instance.branchIndex
},
{ transaction }
);
}
}
await repository.destroy({
filterByTk: [instance.id, ...branchNodesToDelete.map((item) => item.id)],
transaction
});
});
context.body = instance;
await next();
}
async function update(context, next) {
const { db } = context;
const repository = import_actions.utils.getRepositoryFromParams(context);
const { filterByTk, values, whitelist, blacklist, filter, updateAssociationValues } = context.action.params;
context.body = await db.sequelize.transaction(async (transaction) => {
const { workflow } = await repository.findOne({
filterByTk,
appends: ["workflow.versionStats.executed"],
transaction
});
if (workflow.versionStats.executed > 0) {
context.throw(400, "Nodes in executed workflow could not be reconfigured");
}
return repository.update({
filterByTk,
values,
whitelist,
blacklist,
filter,
updateAssociationValues,
context,
transaction
});
});
await next();
}
async function test(context, next) {
const { values = {} } = context.action.params;
const { type, config = {} } = values;
const plugin = context.app.pm.get(import__.default);
const instruction = plugin.instructions.get(type);
if (!instruction) {
context.throw(400, `instruction "${type}" not registered`);
}
if (typeof instruction.test !== "function") {
context.throw(400, `test method of instruction "${type}" not implemented`);
}
try {
context.body = await instruction.test(config);
} catch (error) {
context.throw(500, error.message);
}
next();
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
create,
destroy,
test,
update
});