wip

packages/identity/application/use-cases/HandleAuthCallbackUseCase.ts

@@ -0,0 +1,21 @@
+import type { AuthCallbackCommandDTO } from '../dto/AuthCallbackCommandDTO';
+import type { AuthSessionDTO } from '../dto/AuthSessionDTO';
+import type { AuthenticatedUserDTO } from '../dto/AuthenticatedUserDTO';
+import type { IdentityProviderPort } from '../ports/IdentityProviderPort';
+import type { IdentitySessionPort } from '../ports/IdentitySessionPort';
+
+export class HandleAuthCallbackUseCase {
+  private readonly provider: IdentityProviderPort;
+  private readonly sessionPort: IdentitySessionPort;
+
+  constructor(provider: IdentityProviderPort, sessionPort: IdentitySessionPort) {
+    this.provider = provider;
+    this.sessionPort = sessionPort;
+  }
+
+  async execute(command: AuthCallbackCommandDTO): Promise<AuthSessionDTO> {
+    const user: AuthenticatedUserDTO = await this.provider.completeAuth(command);
+    const session = await this.sessionPort.createSession(user);
+    return session;
+  }
+}