Files
automatisch/packages/backend/src/helpers/global-variable.ts
2022-11-05 23:57:33 +01:00

115 lines
2.7 KiB
TypeScript

import createHttpClient from './http-client';
import Connection from '../models/connection';
import Flow from '../models/flow';
import Step from '../models/step';
import Execution from '../models/execution';
import {
IJSONObject,
IApp,
IGlobalVariable,
ITriggerItem,
IActionItem,
} from '@automatisch/types';
import EarlyExitError from '../errors/early-exit';
type GlobalVariableOptions = {
connection?: Connection;
app: IApp;
flow?: Flow;
step?: Step;
execution?: Execution;
testRun?: boolean;
};
const globalVariable = async (
options: GlobalVariableOptions
): Promise<IGlobalVariable> => {
const { connection, app, flow, step, execution, testRun = false } = options;
const lastInternalId = testRun ? undefined : await flow?.lastInternalId();
const nextStep = await step?.getNextStep();
const $: IGlobalVariable = {
auth: {
set: async (args: IJSONObject) => {
if (connection) {
await connection.$query().patchAndFetch({
formattedData: {
...connection.formattedData,
...args,
},
});
$.auth.data = connection.formattedData;
}
return null;
},
data: connection?.formattedData,
},
app: app,
flow: {
id: flow?.id,
lastInternalId,
},
step: {
id: step?.id,
appKey: step?.appKey,
parameters: step?.parameters || {},
},
nextStep: {
id: nextStep?.id,
appKey: nextStep?.appKey,
parameters: nextStep?.parameters || {},
},
execution: {
id: execution?.id,
testRun,
},
triggerOutput: {
data: [],
},
actionOutput: {
data: {
raw: null,
},
},
pushTriggerItem: (triggerItem: ITriggerItem) => {
if (
isAlreadyProcessed(triggerItem.meta.internalId) &&
!$.execution.testRun
) {
// early exit as we do not want to process duplicate items in actual executions
throw new EarlyExitError();
}
$.triggerOutput.data.push(triggerItem);
if ($.execution.testRun) {
// early exit after receiving one item as it is enough for test execution
throw new EarlyExitError();
}
},
setActionItem: (actionItem: IActionItem) => {
$.actionOutput.data = actionItem;
},
};
$.http = createHttpClient({
$,
baseURL: app.apiBaseUrl,
beforeRequest: app.beforeRequest,
});
const lastInternalIds =
testRun || (flow && step.isAction) ? [] : await flow?.lastInternalIds(2000);
const isAlreadyProcessed = (internalId: string) => {
return lastInternalIds?.includes(internalId);
};
return $;
};
export default globalVariable;