wip

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

@@ -0,0 +1,14 @@
+import type { AuthSessionDTO } from '../dto/AuthSessionDTO';
+import type { IdentitySessionPort } from '../ports/IdentitySessionPort';
+
+export class GetCurrentUserSessionUseCase {
+  private readonly sessionPort: IdentitySessionPort;
+
+  constructor(sessionPort: IdentitySessionPort) {
+    this.sessionPort = sessionPort;
+  }
+
+  async execute(): Promise<AuthSessionDTO | null> {
+    return this.sessionPort.getCurrentSession();
+  }
+}

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;
+  }
+}

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

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+import type { IdentitySessionPort } from '../ports/IdentitySessionPort';
+
+export class LogoutUseCase {
+  private readonly sessionPort: IdentitySessionPort;
+
+  constructor(sessionPort: IdentitySessionPort) {
+    this.sessionPort = sessionPort;
+  }
+
+  async execute(): Promise<void> {
+    await this.sessionPort.clearSession();
+  }
+}

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

@@ -0,0 +1,14 @@
+import type { StartAuthCommandDTO } from '../dto/StartAuthCommandDTO';
+import type { IdentityProviderPort } from '../ports/IdentityProviderPort';
+
+export class StartAuthUseCase {
+  private readonly provider: IdentityProviderPort;
+
+  constructor(provider: IdentityProviderPort) {
+    this.provider = provider;
+  }
+
+  async execute(command: StartAuthCommandDTO): Promise<{ redirectUrl: string; state: string }> {
+    return this.provider.startAuth(command);
+  }
+}