34 lines
941 B
JavaScript
34 lines
941 B
JavaScript
const EventEmitter = require("events").EventEmitter
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const CouchDB = require("../db")
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const { Orchestrator, serverStrategy } = require("./workflow");
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const emitter = new EventEmitter()
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async function executeRelevantWorkflows(event, eventType) {
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const db = new CouchDB(event.instanceId)
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const workflowsToTrigger = await db.query("database/by_workflow_trigger", {
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key: [eventType],
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include_docs: true
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})
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const workflows = workflowsToTrigger.rows.map(wf => wf.doc)
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// Create orchestrator
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const workflowOrchestrator = new Orchestrator()
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workflowOrchestrator.strategy = serverStrategy
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for (let workflow of workflows) {
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workflowOrchestrator.execute(workflow)
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}
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}
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emitter.on("record:save", async function(event) {
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await executeRelevantWorkflows(event, "record:save");
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})
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emitter.on("record:delete", async function(event) {
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await executeRelevantWorkflows(event, "record:delete");
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})
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module.exports = emitter
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