budibase/packages/auth/src/cache/appMetadata.js

36 lines
1017 B
JavaScript
Raw Normal View History

const redis = require("../redis/authRedis")
const { getDB } = require("../db")
const { DocumentTypes } = require("../db/constants")
const EXPIRY_SECONDS = 3600
/**
* The default populate app metadata function
*/
const populateFromDB = async appId => {
return getDB(appId, { skip_setup: true }).get(DocumentTypes.APP_METADATA)
}
/**
* Get the requested app metadata by id.
* Use redis cache to first read the app metadata.
* If not present fallback to loading the app metadata directly and re-caching.
* @param {*} appId the id of the app to get metadata from.
* @returns {object} the app metadata.
*/
exports.getAppMetadata = async appId => {
const client = await redis.getAppClient()
// try cache
let metadata = await client.get(appId)
if (!metadata) {
metadata = await populateFromDB(appId)
client.store(appId, metadata, EXPIRY_SECONDS)
}
return metadata
}
exports.invalidateAppMetadata = async appId => {
const client = await redis.getAppClient()
await client.delete(appId)
}