fix: re-create "root" user if users table is empty

previously it'd always re-create it if "root" user itself is missing
from users table

this facilitates not having "root" user altogether

controllers/utils/initDatabase.js

@@ -1,3 +1,10 @@
+const logger = require('./../../logger')
+
+// Default root user's credentials
+// Root user will only be created if "users" table is empty
+const DEFAULT_ROOT_USERNAME = 'root'
+const DEFAULT_ROOT_PASSWORD = 'changeme'
+
 const initDatabase = async db => {
   // Create the tables we need to store galleries and files
   await db.schema.hasTable('albums').then(exists => {
@@ -51,21 +58,23 @@ const initDatabase = async db => {
     }
   })
 
-  const root = await db.table('users')
+  const usersCount = await db.table('users')
-    .where('username', 'root')
+    .count('id as count')
-    .first()
+    .then(rows => rows[0].count)
 
-  if (!root) {
+  if (usersCount === 0) {
-    const hash = await require('bcrypt').hash('changeme', 10)
+    const hash = await require('bcrypt').hash(DEFAULT_ROOT_PASSWORD, 10)
     const timestamp = Math.floor(Date.now() / 1000)
-    await db.table('users').insert({
+    await db.table('users')
-      username: 'root',
+      .insert({
-      password: hash,
+        username: DEFAULT_ROOT_USERNAME,
-      token: require('randomstring').generate(64),
+        password: hash,
-      timestamp,
+        token: require('randomstring').generate(64),
-      permission: require('./../permissionController').permissions.superadmin,
+        timestamp,
-      registration: timestamp
+        permission: require('./../permissionController').permissions.superadmin,
-    })
+        registration: timestamp
+      })
+    logger.log(`Created user "${DEFAULT_ROOT_USERNAME}" with password "${DEFAULT_ROOT_PASSWORD}".`)
   }
 }