Follow works

2 files changed, 16 insertions, 4 deletions

diff --git a/server/models/application/application-interface.ts b/server/models/application/application-interface.ts
index 33254ba2d..2c391dba3 100644
--- a/server/models/application/application-interface.ts
+++ b/server/models/application/application-interface.ts
@@ -1,18 +1,21 @@
 import * as Sequelize from 'sequelize'
-import * as Promise from 'bluebird'
+import * as Bluebird from 'bluebird'
 
 export namespace ApplicationMethods {
-  export type LoadMigrationVersion = () => Promise<number>
+  export type LoadMigrationVersion = () => Bluebird<number>
 
   export type UpdateMigrationVersion = (
     newVersion: number,
     transaction: Sequelize.Transaction
-  ) => Promise<[ number, ApplicationInstance[] ]>
+  ) => Bluebird<[ number, ApplicationInstance[] ]>
+
+  export type CountTotal = () => Bluebird<number>
 }
 
 export interface ApplicationClass {
   loadMigrationVersion: ApplicationMethods.LoadMigrationVersion
   updateMigrationVersion: ApplicationMethods.UpdateMigrationVersion
+  countTotal: ApplicationMethods.CountTotal
 }
 
 export interface ApplicationAttributes {
diff --git a/server/models/application/application.ts b/server/models/application/application.ts
index 507b7a843..8ba40a895 100644
--- a/server/models/application/application.ts
+++ b/server/models/application/application.ts
@@ -11,6 +11,7 @@ import {
 let Application: Sequelize.Model<ApplicationInstance, ApplicationAttributes>
 let loadMigrationVersion: ApplicationMethods.LoadMigrationVersion
 let updateMigrationVersion: ApplicationMethods.UpdateMigrationVersion
+let countTotal: ApplicationMethods.CountTotal
 
 export default function defineApplication (sequelize: Sequelize.Sequelize, DataTypes: Sequelize.DataTypes) {
   Application = sequelize.define<ApplicationInstance, ApplicationAttributes>('Application',
@@ -26,7 +27,11 @@ export default function defineApplication (sequelize: Sequelize.Sequelize, DataT
     }
   )
 
-  const classMethods = [ loadMigrationVersion, updateMigrationVersion ]
+  const classMethods = [
+    countTotal,
+    loadMigrationVersion,
+    updateMigrationVersion
+  ]
   addMethodsToModel(Application, classMethods)
 
   return Application
@@ -34,6 +39,10 @@ export default function defineApplication (sequelize: Sequelize.Sequelize, DataT
 
 // ---------------------------------------------------------------------------
 
+countTotal = function () {
+  return this.count()
+}
+
 loadMigrationVersion = function () {
   const query = {
     attributes: [ 'migrationVersion' ]