Files
automatisch/packages/backend/src/helpers/global-variable.js
2024-01-04 22:24:42 +01:00

138 lines
3.0 KiB
JavaScript

import createHttpClient from './http-client/index.js';
import EarlyExitError from '../errors/early-exit.js';
import AlreadyProcessedError from '../errors/already-processed.js';
const globalVariable = async (options) => {
const {
connection,
app,
flow,
step,
execution,
request,
testRun = false,
} = options;
const isTrigger = step?.isTrigger;
const lastInternalId = testRun ? undefined : await flow?.lastInternalId();
const nextStep = await step?.getNextStep();
const $ = {
auth: {
set: async (args) => {
if (connection) {
await connection.$query().patchAndFetch({
formattedData: {
...connection.formattedData,
...args,
},
});
$.auth.data = connection.formattedData;
}
return null;
},
data: connection?.formattedData,
},
app: app,
flow: {
id: flow?.id,
lastInternalId,
},
step: {
id: step?.id,
appKey: step?.appKey,
parameters: step?.parameters || {},
},
nextStep: {
id: nextStep?.id,
appKey: nextStep?.appKey,
parameters: nextStep?.parameters || {},
},
execution: {
id: execution?.id,
testRun,
exit: () => {
throw new EarlyExitError();
},
},
getLastExecutionStep: async () =>
(await step?.getLastExecutionStep())?.toJSON(),
triggerOutput: {
data: [],
},
actionOutput: {
data: {
raw: null,
},
},
pushTriggerItem: (triggerItem) => {
if (
isAlreadyProcessed(triggerItem.meta.internalId) &&
!$.execution.testRun
) {
// early exit as we do not want to process duplicate items in actual executions
throw new AlreadyProcessedError();
}
$.triggerOutput.data.push(triggerItem);
const isWebhookApp = app.key === 'webhook';
if ($.execution.testRun && !isWebhookApp) {
// early exit after receiving one item as it is enough for test execution
throw new EarlyExitError();
}
},
setActionItem: (actionItem) => {
$.actionOutput.data = actionItem;
},
};
if (request) {
$.request = request;
}
if (app) {
$.http = createHttpClient({
$,
baseURL: app.apiBaseUrl,
beforeRequest: app.beforeRequest,
});
}
if (step) {
$.webhookUrl = await step.getWebhookUrl();
}
if (isTrigger) {
const triggerCommand = await step.getTriggerCommand();
if (triggerCommand.type === 'webhook') {
$.flow.setRemoteWebhookId = async (remoteWebhookId) => {
await flow.$query().patchAndFetch({
remoteWebhookId,
});
$.flow.remoteWebhookId = remoteWebhookId;
};
$.flow.remoteWebhookId = flow.remoteWebhookId;
}
}
const lastInternalIds =
testRun || (flow && step?.isAction)
? []
: await flow?.lastInternalIds(2000);
const isAlreadyProcessed = (internalId) => {
return lastInternalIds?.includes(internalId);
};
return $;
};
export default globalVariable;