lamassu-server/lib/middlewares/populateSettings.js
2021-10-11 16:24:24 +01:00

42 lines
1.1 KiB
JavaScript

const state = require('./state')
const newSettingsLoader = require('../new-settings-loader')
const helpers = require('../route-helpers')
const logger = require('../logger')
const { settingsCache } = state
const populateSettings = function (req, res, next) {
const operatorId = res.locals.operatorId
const versionId = req.headers['config-version']
if (versionId !== state.oldVersionId) {
state.oldVersionId = versionId
}
try {
const operatorSettings = settingsCache.get(operatorId)
if (!versionId && operatorSettings) {
req.settings = operatorSettings
return next()
}
if (!versionId && !operatorSettings) {
return newSettingsLoader.loadLatest()
.then(settings => {
settingsCache.set(operatorId, settings)
req.settings = settings
})
.then(() => next())
.catch(next)
}
} catch (e) {
logger.error(e)
}
newSettingsLoader.load(versionId)
.then(settings => { req.settings = settings })
.then(() => helpers.updateDeviceConfigVersion(versionId))
.then(() => next())
.catch(next)
}
module.exports = populateSettings