Add NSFW info in about page

shared/utils/miscs/sql.ts

@@ -1,19 +1,27 @@
 import * as Sequelize from 'sequelize'
 
+let sequelizes: { [ id: number ]: Sequelize.Sequelize } = {}
+
 function getSequelize (serverNumber: number) {
+  if (sequelizes[serverNumber]) return sequelizes[serverNumber]
+
   const dbname = 'peertube_test' + serverNumber
   const username = 'peertube'
   const password = 'peertube'
   const host = 'localhost'
   const port = 5432
 
-  return new Sequelize(dbname, username, password, {
+  const seq = new Sequelize(dbname, username, password, {
     dialect: 'postgres',
     host,
     port,
     operatorsAliases: false,
     logging: false
   })
+
+  sequelizes[serverNumber] = seq
+
+  return seq
 }
 
 function setActorField (serverNumber: number, to: string, field: string, value: string) {
@@ -32,7 +40,17 @@ function setVideoField (serverNumber: number, uuid: string, field: string, value
   return seq.query(`UPDATE video SET "${field}" = '${value}' WHERE uuid = '${uuid}'`, options)
 }
 
+async function closeAllSequelize (servers: any[]) {
+  for (let i = 1; i <= servers.length; i++) {
+    if (sequelizes[ i ]) {
+      await sequelizes[ i ].close()
+      delete sequelizes[ i ]
+    }
+  }
+}
+
 export {
   setVideoField,
-  setActorField
+  setActorField,
+  closeAllSequelize
 }