budibase/packages/server/src/automations/triggers.js

108 lines
3.2 KiB
JavaScript

const CouchDB = require("../db")
const emitter = require("../events/index")
const { getAutomationParams } = require("../db/utils")
const { coerce } = require("../utilities/rowProcessor")
const { definitions } = require("./triggerInfo")
const { isDevAppID } = require("../db/utils")
// need this to call directly, so we can get a response
const { queue } = require("./bullboard")
const { checkTestFlag } = require("../utilities/redis")
const utils = require("./utils")
const env = require("../environment")
const TRIGGER_DEFINITIONS = definitions
async function queueRelevantRowAutomations(event, eventType) {
if (event.appId == null) {
throw `No appId specified for ${eventType} - check event emitters.`
}
const db = new CouchDB(event.appId)
let automations = await db.allDocs(
getAutomationParams(null, { include_docs: true })
)
// filter down to the correct event type
automations = automations.rows
.map(automation => automation.doc)
.filter(automation => {
const trigger = automation.definition.trigger
return trigger && trigger.event === eventType
})
for (let automation of automations) {
let automationDef = automation.definition
let automationTrigger = automationDef ? automationDef.trigger : {}
// don't queue events which are for dev apps, only way to test automations is
// running tests on them, in production the test flag will never
// be checked due to lazy evaluation (first always false)
if (
!env.ALLOW_DEV_AUTOMATIONS &&
isDevAppID(event.appId) &&
!(await checkTestFlag(automation._id))
) {
continue
}
if (
automationTrigger.inputs &&
automationTrigger.inputs.tableId === event.row.tableId
) {
await queue.add({ automation, event })
}
}
}
emitter.on("row:save", async function (event) {
/* istanbul ignore next */
if (!event || !event.row || !event.row.tableId) {
return
}
await queueRelevantRowAutomations(event, "row:save")
})
emitter.on("row:update", async function (event) {
/* istanbul ignore next */
if (!event || !event.row || !event.row.tableId) {
return
}
await queueRelevantRowAutomations(event, "row:update")
})
emitter.on("row:delete", async function (event) {
/* istanbul ignore next */
if (!event || !event.row || !event.row.tableId) {
return
}
await queueRelevantRowAutomations(event, "row:delete")
})
exports.externalTrigger = async function (
automation,
params,
{ getResponses } = {}
) {
if (
automation.definition != null &&
automation.definition.trigger != null &&
automation.definition.trigger.stepId === definitions.APP.stepId &&
automation.definition.trigger.stepId === "APP" &&
!checkTestFlag(automation._id)
) {
// values are likely to be submitted as strings, so we shall convert to correct type
const coercedFields = {}
const fields = automation.definition.trigger.inputs.fields
for (let key of Object.keys(fields)) {
coercedFields[key] = coerce(params.fields[key], fields[key])
}
params.fields = coercedFields
}
const data = { automation, event: params }
if (getResponses) {
return utils.processEvent({ data })
} else {
return queue.add(data)
}
}
exports.TRIGGER_DEFINITIONS = TRIGGER_DEFINITIONS