BLOG-136 Dashboard route and frontend authentication (#137)

### Description

- Create a dashboard layout (with a navigation sidebar)
- Only logged in users are able to access (others 404)

### Package Changes

> shadcn-svelte

```json
{
  "@lucide/svelte": "^0.545.0",
  "clsx": "^2.1.1",
  "tailwind-merge": "^3.3.1",
  "tailwind-variants": "^3.1.1",
  "tw-animate-css": "^1.4.0"
}
```

### Screenshots

|Status|Screenshot|
|-|-|
|Logged in|![image.png](/attachments/5d5fc3b9-c15f-43b8-8201-dedeef3c3fb9)|
|Logged out|![image.png](/attachments/29683c9f-395c-4dd8-892f-dc21df2dd0cc)|

### Reference

Resolves #136.

### Checklist

- [x] A milestone is set
- [x] The related issuse has been linked to this branch

Reviewed-on: #137
Co-authored-by: SquidSpirit <squid@squidspirit.com>
Co-committed-by: SquidSpirit <squid@squidspirit.com>

frontend/.env.example

@@ -1 +1 @@
-PUBLIC_API_BASE_URL=http://127.0.0.1:5173/api/
+PUBLIC_API_BASE_URL=http://localhost:5173/api/

frontend/components.json

@@ -0,0 +1,16 @@
+{
+	"$schema": "https://shadcn-svelte.com/schema.json",
+	"tailwind": {
+		"css": "src/app.css",
+		"baseColor": "gray"
+	},
+	"aliases": {
+		"components": "$lib/common/framework/components",
+		"utils": "$lib/common/framework/components/utils",
+		"ui": "$lib/common/framework/components/ui",
+		"hooks": "$lib/common/framework/components/hooks",
+		"lib": "$lib"
+	},
+	"typescript": true,
+	"registry": "https://shadcn-svelte.com/registry"
+}

frontend/package.json

@@ -13,10 +13,14 @@
 		"format": "prettier --write .",
 		"lint": "prettier --check . && eslint ."
 	},
+	"dependencies": {
+		"@sentry/sveltekit": "^10.1.0"
+	},
 	"devDependencies": {
 		"@eslint/compat": "^1.2.5",
 		"@eslint/js": "^9.18.0",
 		"@fortawesome/fontawesome-free": "^7.0.0",
+		"@lucide/svelte": "^0.545.0",
 		"@sveltejs/adapter-auto": "^6.0.0",
 		"@sveltejs/adapter-node": "^5.2.13",
 		"@sveltejs/kit": "^2.22.0",
@@ -25,6 +29,7 @@
 		"@tailwindcss/vite": "^4.0.0",
 		"@types/markdown-it": "^14.1.2",
 		"@types/sanitize-html": "^2.16.0",
+		"clsx": "^2.1.1",
 		"eslint": "^9.18.0",
 		"eslint-config-prettier": "^10.0.1",
 		"eslint-plugin-svelte": "^3.0.0",
@@ -36,7 +41,10 @@
 		"sanitize-html": "^2.17.0",
 		"svelte": "^5.0.0",
 		"svelte-check": "^4.0.0",
+		"tailwind-merge": "^3.3.1",
+		"tailwind-variants": "^3.1.1",
 		"tailwindcss": "^4.0.0",
+		"tw-animate-css": "^1.4.0",
 		"typescript": "^5.0.0",
 		"typescript-eslint": "^8.20.0",
 		"vite": "^7.0.4",
@@ -47,8 +55,5 @@
 			"esbuild"
 		]
 	},
-	"packageManager": "pnpm@10.12.4",
+	"packageManager": "pnpm@10.17.1"
-	"dependencies": {
-		"@sentry/sveltekit": "^10.1.0"
-	}
 }

frontend/pnpm-lock.yaml

@@ -21,6 +21,9 @@ importers:
       '@fortawesome/fontawesome-free':
         specifier: ^7.0.0
         version: 7.0.0
+      '@lucide/svelte':
+        specifier: ^0.545.0
+        version: 0.545.0(svelte@5.36.13)
       '@sveltejs/adapter-auto':
         specifier: ^6.0.0
         version: 6.0.1(@sveltejs/kit@2.25.1(@sveltejs/vite-plugin-svelte@6.1.0(svelte@5.36.13)(vite@7.0.5(@types/node@24.2.0)(jiti@2.4.2)(lightningcss@1.30.1)))(svelte@5.36.13)(vite@7.0.5(@types/node@24.2.0)(jiti@2.4.2)(lightningcss@1.30.1)))
@@ -45,6 +48,9 @@ importers:
       '@types/sanitize-html':
         specifier: ^2.16.0
         version: 2.16.0
+      clsx:
+        specifier: ^2.1.1
+        version: 2.1.1
       eslint:
         specifier: ^9.18.0
         version: 9.31.0(jiti@2.4.2)
@@ -78,9 +84,18 @@ importers:
       svelte-check:
         specifier: ^4.0.0
         version: 4.3.0(picomatch@4.0.3)(svelte@5.36.13)(typescript@5.8.3)
+      tailwind-merge:
+        specifier: ^3.3.1
+        version: 3.3.1
+      tailwind-variants:
+        specifier: ^3.1.1
+        version: 3.1.1(tailwind-merge@3.3.1)(tailwindcss@4.1.11)
       tailwindcss:
         specifier: ^4.0.0
         version: 4.1.11
+      tw-animate-css:
+        specifier: ^1.4.0
+        version: 1.4.0
       typescript:
         specifier: ^5.0.0
         version: 5.8.3
@@ -416,6 +431,11 @@ packages:
   '@jridgewell/trace-mapping@0.3.29':
     resolution: {integrity: sha512-uw6guiW/gcAGPDhLmd77/6lW8QLeiV5RUTsAX46Db6oLhGaVj4lhnPwb184s1bkc8kdVg/+h988dro8GRDpmYQ==}
 
+  '@lucide/svelte@0.545.0':
+    resolution: {integrity: sha512-RlAtWefx9MdpXaOMbx3Qv3/NqpeZKOIPxN2D0RBN2+op0opKly8VgYEEWZTT6Ow/zf7UwyTg6/0ExJlsVLK+8g==}
+    peerDependencies:
+      svelte: ^5
+
   '@nodelib/fs.scandir@2.1.5':
     resolution: {integrity: sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==}
     engines: {node: '>= 8'}
@@ -2118,6 +2138,19 @@ packages:
     resolution: {integrity: sha512-LnSywHHQM/nJekC65d84T1Yo85IeCYN4AryWYPhTokSvcEAFdYFCfbMhX1mc0zHizT736QQj0nalUk+SXaWrEQ==}
     engines: {node: '>=18'}
 
+  tailwind-merge@3.3.1:
+    resolution: {integrity: sha512-gBXpgUm/3rp1lMZZrM/w7D8GKqshif0zAymAhbCyIt8KMe+0v9DQ7cdYLR4FHH/cKpdTXb+A/tKKU3eolfsI+g==}
+
+  tailwind-variants@3.1.1:
+    resolution: {integrity: sha512-ftLXe3krnqkMHsuBTEmaVUXYovXtPyTK7ckEfDRXS8PBZx0bAUas+A0jYxuKA5b8qg++wvQ3d2MQ7l/xeZxbZQ==}
+    engines: {node: '>=16.x', pnpm: '>=7.x'}
+    peerDependencies:
+      tailwind-merge: '>=3.0.0'
+      tailwindcss: '*'
+    peerDependenciesMeta:
+      tailwind-merge:
+        optional: true
+
   tailwindcss@4.1.11:
     resolution: {integrity: sha512-2E9TBm6MDD/xKYe+dvJZAmg3yxIEDNRc0jwlNyDg/4Fil2QcSLjFKGVff0lAf1jjeaArlG/M75Ey/EYr/OJtBA==}
 
@@ -2159,6 +2192,9 @@ packages:
   tslib@2.8.1:
     resolution: {integrity: sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==}
 
+  tw-animate-css@1.4.0:
+    resolution: {integrity: sha512-7bziOlRqH0hJx80h/3mbicLW7o8qLsH5+RaLR2t+OHM3D0JlWGODQKQ4cxbK7WlvmUxpcj6Kgu6EKqjrGFe3QQ==}
+
   type-check@0.4.0:
     resolution: {integrity: sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==}
     engines: {node: '>= 0.8.0'}
@@ -2561,6 +2597,10 @@ snapshots:
       '@jridgewell/resolve-uri': 3.1.2
       '@jridgewell/sourcemap-codec': 1.5.4
 
+  '@lucide/svelte@0.545.0(svelte@5.36.13)':
+    dependencies:
+      svelte: 5.36.13
+
   '@nodelib/fs.scandir@2.1.5':
     dependencies:
       '@nodelib/fs.stat': 2.0.5
@@ -4284,6 +4324,14 @@ snapshots:
       magic-string: 0.30.17
       zimmerframe: 1.1.2
 
+  tailwind-merge@3.3.1: {}
+
+  tailwind-variants@3.1.1(tailwind-merge@3.3.1)(tailwindcss@4.1.11):
+    dependencies:
+      tailwindcss: 4.1.11
+    optionalDependencies:
+      tailwind-merge: 3.3.1
+
   tailwindcss@4.1.11: {}
 
   tapable@2.2.2: {}
@@ -4323,6 +4371,8 @@ snapshots:
 
   tslib@2.8.1: {}
 
+  tw-animate-css@1.4.0: {}
+
   type-check@0.4.0:
     dependencies:
       prelude-ls: 1.2.1

frontend/src/app.css

@@ -1,7 +1,126 @@
 @import 'tailwindcss';
+@import 'tw-animate-css';
 @plugin '@tailwindcss/typography';
 @config "../tailwind.config.js";
 
+@custom-variant dark (&:is(.dark *));
+
+:root {
+	--radius: 0.625rem;
+	--background: oklch(1 0 0);
+	--foreground: oklch(0.13 0.028 261.692);
+	--card: oklch(1 0 0);
+	--card-foreground: oklch(0.13 0.028 261.692);
+	--popover: oklch(1 0 0);
+	--popover-foreground: oklch(0.13 0.028 261.692);
+	--primary: oklch(0.21 0.034 264.665);
+	--primary-foreground: oklch(0.985 0.002 247.839);
+	--secondary: oklch(0.967 0.003 264.542);
+	--secondary-foreground: oklch(0.21 0.034 264.665);
+	--muted: oklch(0.967 0.003 264.542);
+	--muted-foreground: oklch(0.551 0.027 264.364);
+	--accent: oklch(0.967 0.003 264.542);
+	--accent-foreground: oklch(0.21 0.034 264.665);
+	--destructive: oklch(0.577 0.245 27.325);
+	--border: oklch(0.928 0.006 264.531);
+	--input: oklch(0.928 0.006 264.531);
+	--ring: oklch(0.707 0.022 261.325);
+	--chart-1: oklch(0.646 0.222 41.116);
+	--chart-2: oklch(0.6 0.118 184.704);
+	--chart-3: oklch(0.398 0.07 227.392);
+	--chart-4: oklch(0.828 0.189 84.429);
+	--chart-5: oklch(0.769 0.188 70.08);
+	--sidebar: oklch(0.985 0.002 247.839);
+	--sidebar-foreground: oklch(0.13 0.028 261.692);
+	--sidebar-primary: oklch(0.21 0.034 264.665);
+	--sidebar-primary-foreground: oklch(0.985 0.002 247.839);
+	--sidebar-accent: oklch(0.967 0.003 264.542);
+	--sidebar-accent-foreground: oklch(0.21 0.034 264.665);
+	--sidebar-border: oklch(0.928 0.006 264.531);
+	--sidebar-ring: oklch(0.707 0.022 261.325);
+}
+
+.dark {
+	--background: oklch(0.13 0.028 261.692);
+	--foreground: oklch(0.985 0.002 247.839);
+	--card: oklch(0.21 0.034 264.665);
+	--card-foreground: oklch(0.985 0.002 247.839);
+	--popover: oklch(0.21 0.034 264.665);
+	--popover-foreground: oklch(0.985 0.002 247.839);
+	--primary: oklch(0.928 0.006 264.531);
+	--primary-foreground: oklch(0.21 0.034 264.665);
+	--secondary: oklch(0.278 0.033 256.848);
+	--secondary-foreground: oklch(0.985 0.002 247.839);
+	--muted: oklch(0.278 0.033 256.848);
+	--muted-foreground: oklch(0.707 0.022 261.325);
+	--accent: oklch(0.278 0.033 256.848);
+	--accent-foreground: oklch(0.985 0.002 247.839);
+	--destructive: oklch(0.704 0.191 22.216);
+	--border: oklch(1 0 0 / 10%);
+	--input: oklch(1 0 0 / 15%);
+	--ring: oklch(0.551 0.027 264.364);
+	--chart-1: oklch(0.488 0.243 264.376);
+	--chart-2: oklch(0.696 0.17 162.48);
+	--chart-3: oklch(0.769 0.188 70.08);
+	--chart-4: oklch(0.627 0.265 303.9);
+	--chart-5: oklch(0.645 0.246 16.439);
+	--sidebar: oklch(0.21 0.034 264.665);
+	--sidebar-foreground: oklch(0.985 0.002 247.839);
+	--sidebar-primary: oklch(0.488 0.243 264.376);
+	--sidebar-primary-foreground: oklch(0.985 0.002 247.839);
+	--sidebar-accent: oklch(0.278 0.033 256.848);
+	--sidebar-accent-foreground: oklch(0.985 0.002 247.839);
+	--sidebar-border: oklch(1 0 0 / 10%);
+	--sidebar-ring: oklch(0.551 0.027 264.364);
+}
+
+@theme inline {
+	--radius-sm: calc(var(--radius) - 4px);
+	--radius-md: calc(var(--radius) - 2px);
+	--radius-lg: var(--radius);
+	--radius-xl: calc(var(--radius) + 4px);
+	--color-background: var(--background);
+	--color-foreground: var(--foreground);
+	--color-card: var(--card);
+	--color-card-foreground: var(--card-foreground);
+	--color-popover: var(--popover);
+	--color-popover-foreground: var(--popover-foreground);
+	--color-primary: var(--primary);
+	--color-primary-foreground: var(--primary-foreground);
+	--color-secondary: var(--secondary);
+	--color-secondary-foreground: var(--secondary-foreground);
+	--color-muted: var(--muted);
+	--color-muted-foreground: var(--muted-foreground);
+	--color-accent: var(--accent);
+	--color-accent-foreground: var(--accent-foreground);
+	--color-destructive: var(--destructive);
+	--color-border: var(--border);
+	--color-input: var(--input);
+	--color-ring: var(--ring);
+	--color-chart-1: var(--chart-1);
+	--color-chart-2: var(--chart-2);
+	--color-chart-3: var(--chart-3);
+	--color-chart-4: var(--chart-4);
+	--color-chart-5: var(--chart-5);
+	--color-sidebar: var(--sidebar);
+	--color-sidebar-foreground: var(--sidebar-foreground);
+	--color-sidebar-primary: var(--sidebar-primary);
+	--color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+	--color-sidebar-accent: var(--sidebar-accent);
+	--color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+	--color-sidebar-border: var(--sidebar-border);
+	--color-sidebar-ring: var(--sidebar-ring);
+}
+
+@layer base {
+	* {
+		@apply border-border outline-ring/50;
+	}
+	body {
+		@apply bg-background text-foreground;
+	}
+}
+
 @font-face {
 	font-family: 'HackNerdMono';
 	src: url('/font/HackNerdMono.woff2') format('woff2');
@@ -30,6 +149,10 @@ body {
 	@apply bg-white font-sans text-base font-normal text-gray-700;
 }
 
+button {
+	@apply cursor-pointer;
+}
+
 .container {
 	@apply mx-auto max-w-screen-xl px-4 md:px-6;
 }

frontend/src/app.d.ts

@@ -5,6 +5,7 @@ declare global {
 		// interface Error {}
 
 		interface Locals {
+			authBloc: import('$lib/auth/adapter/presenter/authBloc').AuthBloc;
 			postListBloc: import('$lib/post/adapter/presenter/postListBloc').PostListBloc;
 			postBloc: import('$lib/post/adapter/presenter/postBloc').PostBloc;
 		}

frontend/src/hooks.server.ts

@@ -8,6 +8,14 @@ import { GetPostUseCase } from '$lib/post/application/useCase/getPostUseCase';
 import { PostApiServiceImpl } from '$lib/post/framework/api/postApiServiceImpl';
 import type { Handle } from '@sveltejs/kit';
 import { Environment } from '$lib/environment';
+import { AuthApiServiceImpl } from '$lib/auth/framework/api/authApiServiceImpl';
+import { AuthRepositoryImpl } from '$lib/auth/adapter/gateway/authRepositoryImpl';
+import type { AuthApiService } from '$lib/auth/adapter/gateway/authApiService';
+import type { AuthRepository } from '$lib/auth/application/gateway/authRepository';
+import type { PostApiService } from '$lib/post/adapter/gateway/postApiService';
+import type { PostRepository } from '$lib/post/application/gateway/postRepository';
+import { AuthBloc } from '$lib/auth/adapter/presenter/authBloc';
+import { GetCurrentUserUseCase } from '$lib/auth/application/useCase/getCurrentUserUseCase';
 
 Sentry.init({
 	dsn: Environment.SENTRY_DSN,
@@ -16,11 +24,16 @@ Sentry.init({
 });
 
 export const handle: Handle = sequence(Sentry.sentryHandle(), ({ event, resolve }) => {
-	const postApiService = new PostApiServiceImpl(event.fetch);
+	const authApiService: AuthApiService = new AuthApiServiceImpl(event.fetch);
-	const postRepository = new PostRepositoryImpl(postApiService);
+	const authRepository: AuthRepository = new AuthRepositoryImpl(authApiService);
+	const getCurrentUserUseCase = new GetCurrentUserUseCase(authRepository);
+
+	const postApiService: PostApiService = new PostApiServiceImpl(event.fetch);
+	const postRepository: PostRepository = new PostRepositoryImpl(postApiService);
 	const getAllPostsUseCase = new GetAllPostsUseCase(postRepository);
 	const getPostUseCase = new GetPostUseCase(postRepository);
 
+	event.locals.authBloc = new AuthBloc(getCurrentUserUseCase);
 	event.locals.postListBloc = new PostListBloc(getAllPostsUseCase);
 	event.locals.postBloc = new PostBloc(getPostUseCase);
 

frontend/src/lib/auth/adapter/gateway/authApiService.ts

@@ -0,0 +1,5 @@
+import type { UserResponseDto } from '$lib/auth/adapter/gateway/userResponseDto';
+
+export interface AuthApiService {
+	getCurrentUser(): Promise<UserResponseDto | null>;
+}

frontend/src/lib/auth/adapter/gateway/authRepositoryImpl.ts

@@ -0,0 +1,12 @@
+import type { AuthApiService } from '$lib/auth/adapter/gateway/authApiService';
+import type { AuthRepository } from '$lib/auth/application/gateway/authRepository';
+import type { User } from '$lib/auth/domain/entity/user';
+
+export class AuthRepositoryImpl implements AuthRepository {
+	constructor(private readonly authApiService: AuthApiService) {}
+
+	async getCurrentUser(): Promise<User | null> {
+		const result = await this.authApiService.getCurrentUser();
+		return result?.toEntity() ?? null;
+	}
+}

frontend/src/lib/auth/adapter/gateway/userResponseDto.ts

@@ -0,0 +1,37 @@
+import { User } from '$lib/auth/domain/entity/user';
+import z from 'zod';
+
+export const UserResponseSchema = z.object({
+	id: z.int32(),
+	displayed_name: z.string(),
+	email: z.email(),
+});
+
+export class UserResponseDto {
+	readonly id: number;
+	readonly displayedName: string;
+	readonly email: string;
+
+	private constructor(props: { id: number; displayedName: string; email: string }) {
+		this.id = props.id;
+		this.displayedName = props.displayedName;
+		this.email = props.email;
+	}
+
+	static fromJson(json: unknown): UserResponseDto {
+		const parsedJson = UserResponseSchema.parse(json);
+		return new UserResponseDto({
+			id: parsedJson.id,
+			displayedName: parsedJson.displayed_name,
+			email: parsedJson.email,
+		});
+	}
+
+	toEntity(): User {
+		return new User({
+			id: this.id,
+			name: this.displayedName,
+			email: this.email,
+		});
+	}
+}

frontend/src/lib/auth/adapter/presenter/authBloc.ts

@@ -0,0 +1,59 @@
+import { AuthViewModel } from '$lib/auth/adapter/presenter/authViewModel';
+import { UserViewModel } from '$lib/auth/adapter/presenter/userViewModel';
+import type { GetCurrentUserUseCase } from '$lib/auth/application/useCase/getCurrentUserUseCase';
+import { StatusType, type AsyncState } from '$lib/common/adapter/presenter/asyncState';
+import { get, writable } from 'svelte/store';
+
+export type AuthState = AsyncState<AuthViewModel>;
+export type AuthEvent = CurrentUserLoadedEvent;
+
+export class AuthBloc {
+	private readonly state = writable<AuthState>({
+		status: StatusType.Idle,
+	});
+
+	constructor(
+		private readonly getCurrentUserUseCase: GetCurrentUserUseCase,
+		initialData?: AuthViewModel
+	) {
+		this.state.set({
+			status: StatusType.Idle,
+			data: initialData,
+		});
+	}
+
+	get subscribe() {
+		return this.state.subscribe;
+	}
+
+	async dispatch(event: AuthEvent): Promise<AuthState> {
+		switch (event.event) {
+			case AuthEventType.CurrentUserLoadedEvent:
+				return this.loadCurrentUser();
+		}
+	}
+
+	private async loadCurrentUser(): Promise<AuthState> {
+		this.state.set({ status: StatusType.Loading, data: get(this.state).data });
+
+		const user = await this.getCurrentUserUseCase.execute();
+
+		const userViewModel = user ? UserViewModel.fromEntity(user) : null;
+		const authViewModel = AuthViewModel.fromEntity(userViewModel);
+		const result: AuthState = {
+			status: StatusType.Success,
+			data: authViewModel,
+		};
+
+		this.state.set(result);
+		return result;
+	}
+}
+
+export enum AuthEventType {
+	CurrentUserLoadedEvent,
+}
+
+interface CurrentUserLoadedEvent {
+	event: AuthEventType.CurrentUserLoadedEvent;
+}

frontend/src/lib/auth/adapter/presenter/authViewModel.ts

@@ -0,0 +1,33 @@
+import { UserViewModel, type DehydratedUserProps } from '$lib/auth/adapter/presenter/userViewModel';
+
+export class AuthViewModel {
+	readonly user: UserViewModel | null;
+
+	constructor(params: { user: UserViewModel | null }) {
+		this.user = params.user;
+	}
+
+	static fromEntity(user: UserViewModel | null): AuthViewModel {
+		return new AuthViewModel({ user });
+	}
+
+	static rehydrate(props: DehydratedAuthProps): AuthViewModel {
+		return new AuthViewModel({
+			user: props.user ? UserViewModel.rehydrate(props.user) : null,
+		});
+	}
+
+	dehydrate(): DehydratedAuthProps {
+		return {
+			user: this.user ? this.user.dehydrate() : null,
+		};
+	}
+
+	get isAuthenticated(): boolean {
+		return this.user !== null;
+	}
+}
+
+export interface DehydratedAuthProps {
+	user: DehydratedUserProps | null;
+}

frontend/src/lib/auth/adapter/presenter/userViewModel.ts

@@ -0,0 +1,43 @@
+import type { User } from '$lib/auth/domain/entity/user';
+
+export class UserViewModel {
+	readonly id: number;
+	readonly name: string;
+	readonly email: string;
+
+	private constructor(props: { id: number; name: string; email: string }) {
+		this.id = props.id;
+		this.name = props.name;
+		this.email = props.email;
+	}
+
+	static fromEntity(user: User): UserViewModel {
+		return new UserViewModel({
+			id: user.id,
+			name: user.name,
+			email: user.email,
+		});
+	}
+
+	static rehydrate(props: DehydratedUserProps): UserViewModel {
+		return new UserViewModel({
+			id: props.id,
+			name: props.name,
+			email: props.email,
+		});
+	}
+
+	dehydrate(): DehydratedUserProps {
+		return {
+			id: this.id,
+			name: this.name,
+			email: this.email,
+		};
+	}
+}
+
+export interface DehydratedUserProps {
+	id: number;
+	name: string;
+	email: string;
+}

frontend/src/lib/auth/application/gateway/authRepository.ts

@@ -0,0 +1,5 @@
+import type { User } from '$lib/auth/domain/entity/user';
+
+export interface AuthRepository {
+	getCurrentUser(): Promise<User | null>;
+}

frontend/src/lib/auth/application/useCase/getCurrentUserUseCase.ts

@@ -0,0 +1,10 @@
+import type { AuthRepository } from '$lib/auth/application/gateway/authRepository';
+import type { User } from '$lib/auth/domain/entity/user';
+
+export class GetCurrentUserUseCase {
+	constructor(private readonly authRepository: AuthRepository) {}
+
+	async execute(): Promise<User | null> {
+		return await this.authRepository.getCurrentUser();
+	}
+}

frontend/src/lib/auth/domain/entity/user.ts

@@ -0,0 +1,11 @@
+export class User {
+	id: number;
+	name: string;
+	email: string;
+
+	constructor(props: { id: number; name: string; email: string }) {
+		this.id = props.id;
+		this.name = props.name;
+		this.email = props.email;
+	}
+}

frontend/src/lib/auth/framework/api/authApiServiceImpl.ts

@@ -0,0 +1,20 @@
+import type { AuthApiService } from '$lib/auth/adapter/gateway/authApiService';
+import { UserResponseDto } from '$lib/auth/adapter/gateway/userResponseDto';
+import { Environment } from '$lib/environment';
+
+export class AuthApiServiceImpl implements AuthApiService {
+	constructor(private readonly fetchFn: typeof fetch) {}
+
+	async getCurrentUser(): Promise<UserResponseDto | null> {
+		const url = new URL('me', Environment.API_BASE_URL);
+
+		const response = await this.fetchFn(url);
+
+		if (!response.ok) {
+			return null;
+		}
+
+		const json = await response.json();
+		return UserResponseDto.fromJson(json);
+	}
+}

frontend/src/lib/common/framework/components/ui/button/button.svelte

@@ -0,0 +1,82 @@
+<script lang="ts" module>
+	import { cn, type WithElementRef } from '$lib/common/framework/components/utils.js';
+	import type { HTMLAnchorAttributes, HTMLButtonAttributes } from 'svelte/elements';
+	import { type VariantProps, tv } from 'tailwind-variants';
+
+	export const buttonVariants = tv({
+		base: "focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive inline-flex shrink-0 items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium outline-none transition-all focus-visible:ring-[3px] disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&_svg:not([class*='size-'])]:size-4 [&_svg]:pointer-events-none [&_svg]:shrink-0",
+		variants: {
+			variant: {
+				default: 'bg-primary text-primary-foreground shadow-xs hover:bg-primary/90',
+				destructive:
+					'bg-destructive shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60 text-white',
+				outline:
+					'bg-background shadow-xs hover:bg-accent hover:text-accent-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50 border',
+				secondary: 'bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80',
+				ghost: 'hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50',
+				link: 'text-primary underline-offset-4 hover:underline',
+			},
+			size: {
+				default: 'h-9 px-4 py-2 has-[>svg]:px-3',
+				sm: 'h-8 gap-1.5 rounded-md px-3 has-[>svg]:px-2.5',
+				lg: 'h-10 rounded-md px-6 has-[>svg]:px-4',
+				icon: 'size-9',
+				'icon-sm': 'size-8',
+				'icon-lg': 'size-10',
+			},
+		},
+		defaultVariants: {
+			variant: 'default',
+			size: 'default',
+		},
+	});
+
+	export type ButtonVariant = VariantProps<typeof buttonVariants>['variant'];
+	export type ButtonSize = VariantProps<typeof buttonVariants>['size'];
+
+	export type ButtonProps = WithElementRef<HTMLButtonAttributes> &
+		WithElementRef<HTMLAnchorAttributes> & {
+			variant?: ButtonVariant;
+			size?: ButtonSize;
+		};
+</script>
+
+<script lang="ts">
+	let {
+		class: className,
+		variant = 'default',
+		size = 'default',
+		ref = $bindable(null),
+		href = undefined,
+		type = 'button',
+		disabled,
+		children,
+		...restProps
+	}: ButtonProps = $props();
+</script>
+
+{#if href}
+	<a
+		bind:this={ref}
+		data-slot="button"
+		class={cn(buttonVariants({ variant, size }), className)}
+		href={disabled ? undefined : href}
+		aria-disabled={disabled}
+		role={disabled ? 'link' : undefined}
+		tabindex={disabled ? -1 : undefined}
+		{...restProps}
+	>
+		{@render children?.()}
+	</a>
+{:else}
+	<button
+		bind:this={ref}
+		data-slot="button"
+		class={cn(buttonVariants({ variant, size }), className)}
+		{type}
+		{disabled}
+		{...restProps}
+	>
+		{@render children?.()}
+	</button>
+{/if}

frontend/src/lib/common/framework/components/ui/button/index.ts

@@ -0,0 +1,17 @@
+import Root, {
+	type ButtonProps,
+	type ButtonSize,
+	type ButtonVariant,
+	buttonVariants,
+} from './button.svelte';
+
+export {
+	Root,
+	type ButtonProps as Props,
+	//
+	Root as Button,
+	buttonVariants,
+	type ButtonProps,
+	type ButtonSize,
+	type ButtonVariant,
+};

frontend/src/lib/common/framework/components/utils.ts

@@ -0,0 +1,13 @@
+import { clsx, type ClassValue } from 'clsx';
+import { twMerge } from 'tailwind-merge';
+
+export function cn(...inputs: ClassValue[]) {
+	return twMerge(clsx(inputs));
+}
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export type WithoutChild<T> = T extends { child?: any } ? Omit<T, 'child'> : T;
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export type WithoutChildren<T> = T extends { children?: any } ? Omit<T, 'children'> : T;
+export type WithoutChildrenOrChild<T> = WithoutChildren<WithoutChild<T>>;
+export type WithElementRef<T, U extends HTMLElement = HTMLElement> = T & { ref?: U | null };

frontend/src/lib/common/framework/ui/ErrorPage.svelte

@@ -0,0 +1,14 @@
+<div
+	class="mx-auto flex min-h-content-height max-w-screen-xl flex-col items-center justify-center px-4 md:px-6"
+>
+	<div class="flex flex-row items-end gap-x-4 md:gap-x-6">
+		<h1 class="text-5xl font-extrabold text-gray-800 underline md:text-7xl">404</h1>
+		<h2 class="flex flex-row items-center gap-x-2 text-2xl font-bold md:gap-x-2.5 md:text-3xl">
+			<div class="h-7 w-1.5 bg-gray-800 md:h-9 md:w-2"></div>
+			<div class="rounded-md bg-blue-600 px-1 py-px md:px-1.5 md:py-0.5">
+				<span class="text-white">Not</span>
+			</div>
+			<span class="text-gray-800">Found.</span>
+		</h2>
+	</div>
+</div>

frontend/src/lib/common/framework/ui/Navbar.svelte

@@ -3,7 +3,7 @@
 	import NavbarAction from '$lib/common/framework/ui/NavbarAction.svelte';
 </script>
 
-<div class="border-b border-gray-300">
+<nav class="border-b border-gray-300">
 	<div
 		class="mx-auto flex h-toolbar-height max-w-screen-xl flex-row items-center justify-between px-4 md:px-6"
 	>
@@ -20,4 +20,4 @@
 			/>
 		</div>
 	</div>
-</div>
+</nav>

frontend/src/lib/dashboard/framework/ui/DashboardLinkButton.svelte

@@ -0,0 +1,20 @@
+<script lang="ts">
+	import { page } from '$app/state';
+	import { Button } from '$lib/common/framework/components/ui/button/index';
+	import type { DashboardLink } from '$lib/dashboard/framework/ui/dashboardLink';
+
+	const { link }: { link: DashboardLink } = $props();
+
+	const isSelected = $derived.by(() => {
+		const pathname = page.url.pathname;
+		return pathname === link.href || pathname.startsWith(link.href + '/');
+	});
+</script>
+
+<a href={link.href}>
+	<Button variant={isSelected ? 'outline' : 'ghost'} class="w-full">
+		<span class="w-full text-left">
+			{link.label}
+		</span>
+	</Button>
+</a>

frontend/src/lib/dashboard/framework/ui/DashboardNavbar.svelte

@@ -0,0 +1,15 @@
+<script lang="ts">
+	import type { DashboardLink } from '$lib/dashboard/framework/ui/dashboardLink';
+	import DashboardLinkButton from '$lib/dashboard/framework/ui/DashboardLinkButton.svelte';
+
+	const { links }: { links: DashboardLink[] } = $props();
+</script>
+
+<div class="w-3xs border-e border-true-gray-300 p-8">
+	<div class="mb-3 font-bold">Dashboard</div>
+	<div class="flex flex-col">
+		{#each links as link (link.href)}
+			<DashboardLinkButton {link} />
+		{/each}
+	</div>
+</div>

frontend/src/lib/dashboard/framework/ui/dashboardLink.ts

@@ -0,0 +1,4 @@
+export interface DashboardLink {
+	label: string;
+	href: string;
+}

frontend/src/lib/post/adapter/gateway/postRepositoryImpl.ts

@@ -1,5 +1,5 @@
 import type { PostApiService } from '$lib/post/adapter/gateway/postApiService';
-import type { PostRepository } from '$lib/post/application/repository/postRepository';
+import type { PostRepository } from '$lib/post/application/gateway/postRepository';
 import type { Post } from '$lib/post/domain/entity/post';
 import type { PostInfo } from '$lib/post/domain/entity/postInfo';
 

frontend/src/lib/post/application/useCase/getAllPostsUseCase.ts

@@ -1,4 +1,4 @@
-import type { PostRepository } from '$lib/post/application/repository/postRepository';
+import type { PostRepository } from '$lib/post/application/gateway/postRepository';
 import type { PostInfo } from '$lib/post/domain/entity/postInfo';
 
 export class GetAllPostsUseCase {

frontend/src/lib/post/application/useCase/getPostUseCase.ts

@@ -1,4 +1,4 @@
-import type { PostRepository } from '$lib/post/application/repository/postRepository';
+import type { PostRepository } from '$lib/post/application/gateway/postRepository';
 import type { Post } from '$lib/post/domain/entity/post';
 
 export class GetPostUseCase {

frontend/src/lib/post/framework/api/postApiServiceImpl.ts

@@ -4,12 +4,12 @@ import { PostInfoResponseDto } from '$lib/post/adapter/gateway/postInfoResponseD
 import { PostResponseDto } from '$lib/post/adapter/gateway/postResponseDto';
 
 export class PostApiServiceImpl implements PostApiService {
-	constructor(private fetchFn: typeof fetch) {}
+	constructor(private readonly fetchFn: typeof fetch) {}
 
 	async getAllPosts(): Promise<PostInfoResponseDto[]> {
 		const url = new URL('post', Environment.API_BASE_URL);
 
-		const response = await this.fetchFn(url.href);
+		const response = await this.fetchFn(url);
 
 		if (!response.ok) {
 			return [];
@@ -22,7 +22,7 @@ export class PostApiServiceImpl implements PostApiService {
 	async getPost(id: string): Promise<PostResponseDto | null> {
 		const url = new URL(`post/${id}`, Environment.API_BASE_URL);
 
-		const response = await this.fetchFn(url.href);
+		const response = await this.fetchFn(url);
 
 		if (!response.ok) {
 			return null;

frontend/src/routes/+error.svelte

@@ -1,14 +1,5 @@
-<div
+<script>
-	class="mx-auto flex min-h-content-height max-w-screen-xl flex-col items-center justify-center px-4 md:px-6"
+	import ErrorPage from '$lib/common/framework/ui/ErrorPage.svelte';
->
+</script>
-	<div class="flex flex-row items-end gap-x-4 md:gap-x-6">
+
-		<h1 class="text-5xl font-extrabold text-gray-800 underline md:text-7xl">404</h1>
+<ErrorPage />
-		<h2 class="flex flex-row items-center gap-x-2 text-2xl font-bold md:gap-x-2.5 md:text-3xl">
-			<div class="h-7 w-1.5 bg-gray-800 md:h-9 md:w-2"></div>
-			<div class="rounded-md bg-blue-600 px-1 py-px md:px-1.5 md:py-0.5">
-				<span class="text-white">Not</span>
-			</div>
-			<span class="text-gray-800">Found.</span>
-		</h2>
-	</div>
-</div>

frontend/src/routes/+layout.svelte

@@ -12,6 +12,8 @@
 </svelte:head>
 <div class="min-h-screen">
 	<Navbar />
+	<main>
 		<slot />
+	</main>
 </div>
 <Footer />

frontend/src/routes/dashboard/+layout.svelte

@@ -0,0 +1,56 @@
+<script lang="ts">
+	import type { AuthApiService } from '$lib/auth/adapter/gateway/authApiService';
+	import { AuthRepositoryImpl } from '$lib/auth/adapter/gateway/authRepositoryImpl';
+	import { AuthBloc, AuthEventType } from '$lib/auth/adapter/presenter/authBloc';
+	import type { AuthRepository } from '$lib/auth/application/gateway/authRepository';
+	import { GetCurrentUserUseCase } from '$lib/auth/application/useCase/getCurrentUserUseCase';
+	import { AuthApiServiceImpl } from '$lib/auth/framework/api/authApiServiceImpl';
+	import { onMount, setContext } from 'svelte';
+	import type { LayoutProps } from './$types';
+	import { StatusType } from '$lib/common/adapter/presenter/asyncState';
+	import ErrorPage from '$lib/common/framework/ui/ErrorPage.svelte';
+	import DashboardNavbar from '$lib/dashboard/framework/ui/DashboardNavbar.svelte';
+	import type { DashboardLink } from '$lib/dashboard/framework/ui/dashboardLink';
+
+	const { children }: LayoutProps = $props();
+
+	const authApiService: AuthApiService = new AuthApiServiceImpl(fetch);
+	const authRepository: AuthRepository = new AuthRepositoryImpl(authApiService);
+	const getcurrentUserUseCase = new GetCurrentUserUseCase(authRepository);
+	const authBloc = new AuthBloc(getcurrentUserUseCase);
+
+	setContext(AuthBloc.name, authBloc);
+
+	onMount(() => authBloc.dispatch({ event: AuthEventType.CurrentUserLoadedEvent }));
+
+	const authState = $derived($authBloc);
+	const isLoading = $derived.by(
+		() => authState.status === StatusType.Loading || authState.status === StatusType.Idle
+	);
+	const hasError = $derived.by(() => {
+		if (authState.status === StatusType.Error) {
+			return true;
+		}
+		if (authState.status === StatusType.Success && !authState.data.isAuthenticated) {
+			return true;
+		}
+		return false;
+	});
+
+	const links: DashboardLink[] = [
+		{ label: 'Post', href: '/dashboard/post' },
+		{ label: 'Label', href: '/dashboard/label' },
+		{ label: 'Image', href: '/dashboard/image' },
+	];
+</script>
+
+{#if isLoading}
+	<div></div>
+{:else if hasError}
+	<ErrorPage />
+{:else}
+	<div class="grid min-h-content-height grid-cols-[auto_1fr]">
+		<DashboardNavbar {links} />
+		{@render children()}
+	</div>
+{/if}

frontend/src/routes/dashboard/+page.svelte

@@ -0,0 +1,11 @@
+<script lang="ts">
+	import { goto } from '$app/navigation';
+	import { page } from '$app/state';
+	import { onMount } from 'svelte';
+
+	onMount(() => {
+		if (page.url.pathname === '/dashboard') {
+			goto('/dashboard/post');
+		}
+	});
+</script>

frontend/src/routes/dashboard/image/+page.svelte

@@ -0,0 +1 @@
+<div>Image</div>

frontend/src/routes/dashboard/label/+page.svelte

@@ -0,0 +1 @@
+<div>Label</div>

frontend/src/routes/dashboard/post/+page.svelte

@@ -0,0 +1 @@
+<div>Post</div>

frontend/src/routes/post/+page.svelte

@@ -7,13 +7,15 @@
 	import type { PageProps } from './$types';
 	import { PostInfoViewModel } from '$lib/post/adapter/presenter/postInfoViewModel';
 	import PostOverallPage from '$lib/post/framework/ui/PostOverallPage.svelte';
+	import type { PostApiService } from '$lib/post/adapter/gateway/postApiService';
+	import type { PostRepository } from '$lib/post/application/gateway/postRepository';
 
 	let { data }: PageProps = $props();
 
 	const initialData = data.dehydratedData?.map((post) => PostInfoViewModel.rehydrate(post));
 
-	const postApiService = new PostApiServiceImpl(fetch);
+	const postApiService: PostApiService = new PostApiServiceImpl(fetch);
-	const postRepository = new PostRepositoryImpl(postApiService);
+	const postRepository: PostRepository = new PostRepositoryImpl(postApiService);
 	const getAllPostsUseCase = new GetAllPostsUseCase(postRepository);
 	const postListBloc = new PostListBloc(getAllPostsUseCase, initialData);
 

frontend/src/routes/post/[id]/+page.svelte

@@ -7,14 +7,16 @@
 	import { setContext } from 'svelte';
 	import type { PageProps } from './$types';
 	import PostContentPage from '$lib/post/framework/ui/PostContentPage.svelte';
+	import type { PostApiService } from '$lib/post/adapter/gateway/postApiService';
+	import type { PostRepository } from '$lib/post/application/gateway/postRepository';
 
 	const { data, params }: PageProps = $props();
 	const { id } = params;
 
 	const initialData = PostViewModel.rehydrate(data.dehydratedData!);
 
-	const postApiService = new PostApiServiceImpl(fetch);
+	const postApiService: PostApiService = new PostApiServiceImpl(fetch);
-	const postRepository = new PostRepositoryImpl(postApiService);
+	const postRepository: PostRepository = new PostRepositoryImpl(postApiService);
 	const getPostUseCase = new GetPostUseCase(postRepository);
 	const postBloc = new PostBloc(getPostUseCase, initialData);
 

frontend/static/robots.txt

@@ -1,2 +1,4 @@
 User-agent: *
 Allow: /
+Disallow: /dashboard/
+Disallow: /api/