fix: database migrations FK relations.

fix: database columns indexing.

server/src/interfaces/Authentication.ts

@@ -0,0 +1,24 @@
+import { ISystemUser } from './User';
+import { ITenant } from './Tenancy';
+
+export interface IRegisterDTO {
+  firstName: string,
+  lastName: string,
+  email: string,
+  password: string,
+  organizationName: string,
+};
+
+export interface IPasswordReset {
+  id: number,
+  email: string,
+  token: string,
+  createdAt: Date,
+};
+
+export interface IAuthenticationService {
+  signIn(emailOrPhone: string, password: string): Promise<{ user: ISystemUser, token: string, tenant: ITenant }>;
+  register(registerDTO: IRegisterDTO): Promise<ISystemUser>;
+  sendResetPassword(email: string): Promise<IPasswordReset>;
+  resetPassword(token: string, password: string): Promise<void>;
+}