feat: check for updates

server/jobs/sync-graph-updates.js

@@ -0,0 +1,45 @@
+require('../core/worker')
+const _ = require('lodash')
+const { createApolloFetch } = require('apollo-fetch')
+
+/* global WIKI */
+
+WIKI.redis = require('../core/redis').init()
+WIKI.models = require('../core/db').init()
+
+module.exports = async (job) => {
+  WIKI.logger.info(`Fetching latest updates from Graph endpoint...`)
+
+  try {
+    await WIKI.configSvc.loadFromDb()
+    const apollo = createApolloFetch({
+      uri: WIKI.config.graphEndpoint
+    })
+
+    const resp = await apollo({
+      query: `query ($channel: ReleaseChannel!, $version: String!) {
+        releases {
+          checkForUpdates(channel: $channel, version: $version) {
+            channel
+            version
+            releaseDate
+            minimumVersionRequired
+            minimumNodeRequired
+          }
+        }
+      }`,
+      variables: {
+        channel: 'BETA', // TODO
+        version: WIKI.version
+      }
+    })
+    const info = _.get(resp, 'data.releases.checkForUpdates', {})
+
+    await WIKI.redis.publish('updates', JSON.stringify(info))
+
+    WIKI.logger.info(`Fetching latest updates from Graph endpoint: [ COMPLETED ]`)
+  } catch (err) {
+    WIKI.logger.error(`Fetching latest updates from Graph endpoint: [ FAILED ]`)
+    WIKI.logger.error(err.message)
+  }
+}