server/models/application/application.ts

   1 import { AllowNull, Column, Default, DefaultScope, HasOne, IsInt, Model, Table } from 'sequelize-typescript'
   2 import { AccountModel } from '../account/account'
   3 import * as memoizee from 'memoizee'
   4
   5 export const getServerActor = memoizee(async function () {
   6   const application = await ApplicationModel.load()
   7   if (!application) throw Error('Could not load Application from database.')
   8
   9   const actor = application.Account.Actor
  10   actor.Account = application.Account
  11
  12   return actor
  13 }, { promise: true })
  14
  15 @DefaultScope(() => ({
  16   include: [
  17     {
  18       model: AccountModel,
  19       required: true
  20     }
  21   ]
  22 }))
  23 @Table({
  24   tableName: 'application',
  25   timestamps: false
  26 })
  27 export class ApplicationModel extends Model<ApplicationModel> {
  28
  29   @AllowNull(false)
  30   @Default(0)
  31   @IsInt
  32   @Column
  33   migrationVersion: number
  34
  35   @HasOne(() => AccountModel, {
  36     foreignKey: {
  37       allowNull: true
  38     },
  39     onDelete: 'cascade'
  40   })
  41   Account: AccountModel
  42
  43   static countTotal () {
  44     return ApplicationModel.count()
  45   }
  46
  47   static load () {
  48     return ApplicationModel.findOne()
  49   }
  50 }