Save version info in app locals

Signed-off-by: Yukai Huang <yukaihuangtw@gmail.com>

app.js

@@ -206,6 +206,10 @@ app.locals.authProviders = {
   email: config.isEmailEnable,
   allowEmailRegister: config.allowEmailRegister
 }
+app.locals.versionInfo = {
+  latest: true,
+  versionItem: null
+}
 
 // Export/Import menu items
 app.locals.enableDropBoxSave = config.isDropboxEnable

lib/web/middleware/checkVersion.js

@@ -8,8 +8,6 @@ const logger = require('../../logger')
 const config = require('../../config')
 
 let lastCheckAt
-let latest = true
-let versionItem = null
 
 const VERSION_CHECK_ENDPOINT = 'https://evangelion.codimd.dev/'
 const CHECK_TIMEOUT = 1000 * 60 * 60 * 24 // 1 day
@@ -36,8 +34,8 @@ exports.versionCheckMiddleware = async function (req, res, next) {
       return next()
     }
 
-    latest = data.latest
-    versionItem = latest ? null : data.versionItem
+    req.app.locals.versionInfo.latest = data.latest
+    req.app.locals.versionInfo.versionItem = req.app.locals.latest ? null : data.versionItem
 
     return next()
   } catch (err) {
@@ -47,6 +45,3 @@ exports.versionCheckMiddleware = async function (req, res, next) {
     return next()
   }
 }
-
-exports.versionItem = versionItem
-exports.outdated = outdated