backend/feature/post/src/adapter/delivery.rs

@@ -1,3 +1,4 @@
+pub mod color_response_dto;
 pub mod label_response_dto;
 pub mod post_controller;
 pub mod post_info_query_dto;

backend/feature/post/src/adapter/delivery/color_response_dto.rs

@@ -0,0 +1,22 @@
+use serde::Serialize;
+
+use crate::domain::entity::color::Color;
+
+#[derive(Serialize)]
+pub struct ColorResponseDto {
+    pub red: u8,
+    pub green: u8,
+    pub blue: u8,
+    pub alpha: u8,
+}
+
+impl From<Color> for ColorResponseDto {
+    fn from(color: Color) -> Self {
+        Self {
+            red: color.red,
+            green: color.green,
+            blue: color.blue,
+            alpha: color.alpha,
+        }
+    }
+}

backend/feature/post/src/adapter/delivery/label_response_dto.rs

@@ -1,12 +1,14 @@
 use serde::Serialize;
 
-use crate::domain::entity::label::Label;
+use crate::{
+    adapter::delivery::color_response_dto::ColorResponseDto, domain::entity::label::Label,
+};
 
 #[derive(Serialize)]
 pub struct LabelResponseDto {
     pub id: i32,
     pub name: String,
-    pub color: String,
+    pub color: ColorResponseDto,
 }
 
 impl From<Label> for LabelResponseDto {
@@ -14,7 +16,7 @@ impl From<Label> for LabelResponseDto {
         Self {
             id: entity.id,
             name: entity.name,
-            color: format!("#{:08X}", entity.color),
+            color: ColorResponseDto::from(entity.color),
         }
     }
 }

backend/feature/post/src/adapter/gateway.rs

@@ -1,2 +1,6 @@
+pub mod color_mapper;
+pub mod label_mapper;
 pub mod post_db_service;
+pub mod post_info_mapper;
+pub mod post_mapper;
 pub mod post_repository_impl;

backend/feature/post/src/adapter/gateway/color_mapper.rs

@@ -0,0 +1,16 @@
+use crate::domain::entity::color::Color;
+
+pub struct ColorMapper {
+    pub value: u32,
+}
+
+impl ColorMapper {
+    pub fn to_entity(&self) -> Color {
+        Color {
+            red: (self.value >> 24) as u8,
+            green: ((self.value >> 16) & 0xFF) as u8,
+            blue: ((self.value >> 8) & 0xFF) as u8,
+            alpha: (self.value & 0xFF) as u8,
+        }
+    }
+}

backend/feature/post/src/adapter/gateway/label_mapper.rs

@@ -0,0 +1,17 @@
+use crate::{adapter::gateway::color_mapper::ColorMapper, domain::entity::label::Label};
+
+pub struct LabelMapper {
+    pub id: i32,
+    pub name: String,
+    pub color: ColorMapper,
+}
+
+impl LabelMapper {
+    pub fn to_entity(&self) -> Label {
+        Label {
+            id: self.id,
+            name: self.name.clone(),
+            color: self.color.to_entity(),
+        }
+    }
+}

backend/feature/post/src/adapter/gateway/post_db_service.rs

@@ -1,12 +1,15 @@
 use async_trait::async_trait;
 
 use crate::{
+    adapter::gateway::{post_info_mapper::PostInfoMapper, post_mapper::PostMapper},
     application::error::post_error::PostError,
-    domain::entity::{post::Post, post_info::PostInfo},
 };
 
 #[async_trait]
 pub trait PostDbService: Send + Sync {
-    async fn get_all_post_info(&self, is_published_only: bool) -> Result<Vec<PostInfo>, PostError>;
-    async fn get_full_post(&self, id: i32) -> Result<Post, PostError>;
+    async fn get_all_post_info(
+        &self,
+        is_published_only: bool,
+    ) -> Result<Vec<PostInfoMapper>, PostError>;
+    async fn get_full_post(&self, id: i32) -> Result<PostMapper, PostError>;
 }

backend/feature/post/src/adapter/gateway/post_info_mapper.rs

@@ -0,0 +1,27 @@
+use chrono::{DateTime, NaiveDateTime, Utc};
+
+use crate::{adapter::gateway::label_mapper::LabelMapper, domain::entity::post_info::PostInfo};
+
+pub struct PostInfoMapper {
+    pub id: i32,
+    pub title: String,
+    pub description: String,
+    pub preview_image_url: String,
+    pub published_time: Option<NaiveDateTime>,
+    pub labels: Vec<LabelMapper>,
+}
+
+impl PostInfoMapper {
+    pub fn to_entity(&self) -> PostInfo {
+        PostInfo {
+            id: self.id,
+            title: self.title.clone(),
+            description: self.description.clone(),
+            preview_image_url: self.preview_image_url.clone(),
+            published_time: self
+                .published_time
+                .map(|dt| DateTime::<Utc>::from_naive_utc_and_offset(dt, Utc)),
+            labels: self.labels.iter().map(LabelMapper::to_entity).collect(),
+        }
+    }
+}

backend/feature/post/src/adapter/gateway/post_mapper.rs

@@ -0,0 +1,17 @@
+use crate::{adapter::gateway::post_info_mapper::PostInfoMapper, domain::entity::post::Post};
+
+pub struct PostMapper {
+    pub id: i32,
+    pub info: PostInfoMapper,
+    pub content: String,
+}
+
+impl PostMapper {
+    pub fn to_entity(&self) -> Post {
+        Post {
+            id: self.id,
+            info: self.info.to_entity(),
+            content: self.content.clone(),
+        }
+    }
+}

backend/feature/post/src/adapter/gateway/post_repository_impl.rs

@@ -22,10 +22,21 @@ impl PostRepositoryImpl {
 #[async_trait]
 impl PostRepository for PostRepositoryImpl {
     async fn get_all_post_info(&self, is_published_only: bool) -> Result<Vec<PostInfo>, PostError> {
-        self.post_db_service.get_all_post_info(is_published_only).await
+        self.post_db_service
+            .get_all_post_info(is_published_only)
+            .await
+            .map(|mappers| {
+                mappers
+                    .into_iter()
+                    .map(|mapper| mapper.to_entity())
+                    .collect::<Vec<PostInfo>>()
+            })
     }
 
     async fn get_full_post(&self, id: i32) -> Result<Post, PostError> {
-        self.post_db_service.get_full_post(id).await
+        self.post_db_service
+            .get_full_post(id)
+            .await
+            .map(|mapper| mapper.to_entity())
     }
 }

backend/feature/post/src/domain/entity.rs

@@ -1,3 +1,4 @@
+pub mod color;
 pub mod label;
 pub mod post_info;
 pub mod post;

backend/feature/post/src/domain/entity/color.rs

@@ -0,0 +1,6 @@
+pub struct Color {
+    pub red: u8,
+    pub green: u8,
+    pub blue: u8,
+    pub alpha: u8,
+}

backend/feature/post/src/domain/entity/label.rs

@@ -1,5 +1,7 @@
+use crate::domain::entity::color::Color;
+
 pub struct Label {
     pub id: i32,
     pub name: String,
-    pub color: u32,
+    pub color: Color,
 }

backend/feature/post/src/framework/db/post_db_service_impl.rs

@@ -1,13 +1,14 @@
 use std::collections::HashMap;
 
 use async_trait::async_trait;
-use chrono::{DateTime, Utc};
 use sqlx::{Pool, Postgres};
 
 use crate::{
-    adapter::gateway::post_db_service::PostDbService,
+    adapter::gateway::{
+        color_mapper::ColorMapper, label_mapper::LabelMapper, post_db_service::PostDbService,
+        post_info_mapper::PostInfoMapper, post_mapper::PostMapper,
+    },
     application::error::post_error::PostError,
-    domain::entity::{label::Label, post::Post, post_info::PostInfo},
 };
 
 use super::{
@@ -27,7 +28,10 @@ impl PostDbServiceImpl {
 
 #[async_trait]
 impl PostDbService for PostDbServiceImpl {
-    async fn get_all_post_info(&self, is_published_only: bool) -> Result<Vec<PostInfo>, PostError> {
+    async fn get_all_post_info(
+        &self,
+        is_published_only: bool,
+    ) -> Result<Vec<PostInfoMapper>, PostError> {
         let mut query_builder = sqlx::QueryBuilder::new(
             r#"
                 SELECT
@@ -62,37 +66,37 @@ impl PostDbService for PostDbServiceImpl {
             .await
             .map_err(|err| PostError::DatabaseError(err.to_string()))?;
 
-        let mut post_info_map = HashMap::<i32, PostInfo>::new();
+        let mut post_info_mappers_map = HashMap::<i32, PostInfoMapper>::new();
 
         for record in records {
-            let post_info = post_info_map
+            let post_info = post_info_mappers_map
                 .entry(record.post_id)
-                .or_insert_with(|| PostInfo {
+                .or_insert_with(|| PostInfoMapper {
                     id: record.post_id,
                     title: record.title,
                     description: record.description,
                     preview_image_url: record.preview_image_url,
                     labels: Vec::new(),
-                    published_time: record
-                        .published_time
-                        .map(|dt| DateTime::<Utc>::from_naive_utc_and_offset(dt, Utc)),
+                    published_time: record.published_time,
                 });
 
             if let (Some(label_id), Some(label_name), Some(label_color)) =
                 (record.label_id, record.label_name, record.label_color)
             {
-                post_info.labels.push(Label {
+                post_info.labels.push(LabelMapper {
                     id: label_id,
                     name: label_name,
-                    color: label_color as u32,
+                    color: ColorMapper {
+                        value: label_color as u32,
+                    },
                 });
             }
         }
 
-        Ok(post_info_map.into_values().collect())
+        Ok(post_info_mappers_map.into_values().collect())
     }
 
-    async fn get_full_post(&self, id: i32) -> Result<Post, PostError> {
+    async fn get_full_post(&self, id: i32) -> Result<PostMapper, PostError> {
         let mut query_builder = sqlx::QueryBuilder::new(
             r#"
                 SELECT
@@ -129,36 +133,38 @@ impl PostDbService for PostDbServiceImpl {
             return Err(PostError::NotFound);
         }
 
-        let mut post_map = HashMap::<i32, Post>::new();
+        let mut post_mappers_map = HashMap::<i32, PostMapper>::new();
 
         for record in records {
-            let post = post_map.entry(record.post_id).or_insert_with(|| Post {
-                id: record.post_id,
-                info: PostInfo {
+            let post = post_mappers_map
+                .entry(record.post_id)
+                .or_insert_with(|| PostMapper {
                     id: record.post_id,
-                    title: record.title,
-                    description: record.description,
-                    preview_image_url: record.preview_image_url,
-                    labels: Vec::new(),
-                    published_time: record
-                        .published_time
-                        .map(|dt| DateTime::<Utc>::from_naive_utc_and_offset(dt, Utc)),
-                },
-                content: record.content,
-            });
+                    info: PostInfoMapper {
+                        id: record.post_id,
+                        title: record.title,
+                        description: record.description,
+                        preview_image_url: record.preview_image_url,
+                        labels: Vec::new(),
+                        published_time: record.published_time,
+                    },
+                    content: record.content,
+                });
 
             if let (Some(label_id), Some(label_name), Some(label_color)) =
                 (record.label_id, record.label_name, record.label_color)
             {
-                post.info.labels.push(Label {
+                post.info.labels.push(LabelMapper {
                     id: label_id,
                     name: label_name,
-                    color: label_color as u32,
+                    color: ColorMapper {
+                        value: label_color as u32,
+                    },
                 });
             }
         }
 
-        let post = post_map.into_values().next();
+        let post = post_mappers_map.into_values().next();
 
         match post {
             Some(v) => Ok(v),

frontend/package.json

@@ -35,7 +35,8 @@
 		"tailwindcss": "^4.0.0",
 		"typescript": "^5.0.0",
 		"typescript-eslint": "^8.20.0",
-		"vite": "^7.0.4"
+		"vite": "^7.0.4",
+		"zod": "^4.0.5"
 	},
 	"pnpm": {
 		"onlyBuiltDependencies": [

frontend/pnpm-lock.yaml

@@ -74,6 +74,9 @@ importers:
       vite:
         specifier: ^7.0.4
         version: 7.0.5(jiti@2.4.2)(lightningcss@1.30.1)
+      zod:
+        specifier: ^4.0.5
+        version: 4.0.5
 
 packages:
 
@@ -1527,6 +1530,9 @@ packages:
   zimmerframe@1.1.2:
     resolution: {integrity: sha512-rAbqEGa8ovJy4pyBxZM70hg4pE6gDgaQ0Sl9M3enG3I0d6H4XSAM3GeNGLKnsBpuijUow064sf7ww1nutC5/3w==}
 
+  zod@4.0.5:
+    resolution: {integrity: sha512-/5UuuRPStvHXu7RS+gmvRf4NXrNxpSllGwDnCBcJZtQsKrviYXm54yDGV2KYNLT5kq0lHGcl7lqWJLgSaG+tgA==}
+
 snapshots:
 
   '@ampproject/remapping@2.3.0':
@@ -2760,3 +2766,5 @@ snapshots:
   yocto-queue@0.1.0: {}
 
   zimmerframe@1.1.2: {}
+
+  zod@4.0.5: {}

frontend/src/app.css

@@ -25,7 +25,7 @@
 }
 
 body {
-	@apply bg-white font-sans text-base font-normal text-gray-600;
+	@apply bg-white font-sans text-base font-normal text-gray-800;
 }
 
 pre,
@@ -35,6 +35,6 @@ samp {
 	@apply font-mono;
 }
 
-.toolbar {
-	@apply h-[--tool-bar-height];
+.container {
+	@apply mx-auto max-w-screen-xl px-4 md:px-6;
 }

frontend/src/lib/common/adapter/presenter/asyncState.ts

@@ -0,0 +1,26 @@
+export enum StatusType {
+	Idle,
+	Loading,
+	Success,
+	Error
+}
+
+export interface IdleState {
+	status: StatusType.Idle;
+}
+
+export interface LoadingState {
+	status: StatusType.Loading;
+}
+
+export interface SuccessState<T> {
+	status: StatusType.Success;
+	data: T;
+}
+
+export interface ErrorState {
+	status: StatusType.Error;
+	error: Error;
+}
+
+export type AsyncState<T> = IdleState | LoadingState | SuccessState<T> | ErrorState;

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

@@ -13,6 +13,11 @@
 		</a>
 		<div class="flex flex-row items-center gap-x-6">
 			<NavbarAction label="首頁" link="/" isSelected={page.url.pathname === '/'} />
+			<NavbarAction
+				label="文章"
+				link="/post"
+				isSelected={page.url.pathname === '/post' || page.url.pathname.startsWith('/post/')}
+			/>
 		</div>
 	</div>
 </div>

frontend/src/lib/environment.ts

@@ -0,0 +1,5 @@
+import { env } from '$env/dynamic/public';
+
+export abstract class Environment {
+	static readonly API_BASE_URL = env.PUBLIC_BACKEND_URL ?? 'http://localhost:5173/api';
+}

frontend/src/lib/home/framework/ui/HomePage.svelte

@@ -0,0 +1,11 @@
+<script lang="ts">
+	import Motto from '$lib/home/framework/ui/Motto.svelte';
+	import Terminal from '$lib/home/framework/ui/Terminal.svelte';
+	import TitleScreen from '$lib/home/framework/ui/TitleScreen.svelte';
+</script>
+
+<div>
+	<TitleScreen />
+	<Terminal />
+	<Motto />
+</div>

frontend/src/lib/home/framework/ui/Motto.svelte

@@ -2,9 +2,7 @@
 	import MottoAnimatedMark from './MottoAnimatedMark.svelte';
 </script>
 
-<div
-	class="mx-auto flex h-screen max-w-screen-xl flex-col items-center justify-center gap-y-2.5 px-4 md:gap-y-8 md:px-6"
->
+<div class="container flex h-screen flex-col items-center justify-center gap-y-2.5 md:gap-y-8">
 	<div
 		class="flex w-[19rem] flex-col gap-y-3 text-3xl font-bold text-gray-800 md:w-[38rem] md:gap-y-4 md:text-6xl"
 	>

frontend/src/lib/home/framework/ui/MottoAnimatedMark.svelte

@@ -34,9 +34,9 @@
 
 <span
 	bind:this={element}
-	class="rounded-md bg-blue-600 px-1 py-0.5 text-white transition-transform delay-500 duration-1000 md:rounded-lg md:px-2.5 md:py-2 {origin} {isReady
-		? 'scale-x-100'
-		: 'scale-x-0'}"
+	class="rounded-md bg-blue-600 px-1 py-0.5 text-white transition-transform delay-500 duration-1000 md:rounded-lg md:px-2.5 md:py-2
+		{origin}
+		{isReady ? 'scale-x-100' : 'scale-x-0'}"
 >
 	<span class="scale-x-100">{text}</span>
 </span>

frontend/src/lib/home/framework/ui/Terminal.svelte

@@ -53,11 +53,11 @@
 </script>
 
 <div
-	class="mx-auto flex max-w-screen-xl flex-col items-center justify-center gap-y-2.5 px-4 py-32 md:gap-y-8 md:px-24 md:py-32"
+	class="container flex flex-col items-center justify-center gap-y-2.5 py-32 md:gap-y-8 md:px-24 md:py-32"
 >
 	<div
 		bind:this={element}
-		class="flex w-full flex-col gap-y-1.5 rounded-2xl border-4 border-true-gray-800 bg-true-gray-700 p-4 pb-28 font-mono font-medium text-gray-50 shadow-lg transition-opacity duration-300 md:gap-y-2.5 md:rounded-3xl md:border-8 md:p-8 md:pb-32 md:text-xl md:shadow-xl {isReady
+		class="flex w-full flex-col gap-y-1.5 rounded-2xl border-4 border-true-gray-800 bg-true-gray-700 p-4 pb-28 font-mono font-medium text-gray-50 shadow-lg transition-opacity duration-300 md:gap-y-2.5 md:rounded-3xl md:border-8 md:p-8 md:pb-32 md:text-lg md:shadow-xl {isReady
 			? 'opacity-100'
 			: 'opacity-0'}"
 	>

frontend/src/lib/home/framework/ui/TitleScreen.svelte

@@ -2,9 +2,7 @@
 	import TitleScreenAnimatedTags from '$lib/home/framework/ui/TitleScreenAnimatedTags.svelte';
 </script>
 
-<div
-	class="mx-auto flex min-h-content-height max-w-screen-xl flex-col justify-center gap-y-2.5 px-4 md:gap-y-8 md:px-6"
->
+<div class="container flex min-h-content-height flex-col justify-center gap-y-2.5 md:gap-y-8">
 	<h2 class="text-3xl font-bold text-gray-800 md:text-6xl">Hello 大家好！</h2>
 	<h1 class="flex flex-row items-center gap-x-2 text-4xl font-extrabold text-gray-800 md:text-7xl">
 		<span>我是</span>

frontend/src/lib/home/framework/ui/TitleScreenAnimatedTags.svelte

@@ -4,6 +4,7 @@
 	const tagsCollection = [
 		'APP',
 		'C++',
+		'Clean Architecture',
 		'Design Pattern',
 		'Docker',
 		'Flutter',
@@ -12,7 +13,10 @@
 		'LINER',
 		'Linux',
 		'Python',
+		'React',
+		'Rust',
 		'Squid',
+		'Svelte',
 		'TypeScript',
 		'中央大學',
 		'全端',
@@ -20,9 +24,7 @@
 		'前端',
 		'後端',
 		'教學',
-		'暴肝',
 		'知識',
-		'碼農',
 		'科技',
 		'科普',
 		'程式設計',
@@ -64,7 +66,8 @@
 </script>
 
 <div
-	class={`relative w-full max-w-screen-md transition-opacity duration-500 ${isTagsVisible ? 'opacity-100' : 'opacity-0'}`}
+	class="relative w-full max-w-screen-md transition-opacity duration-500
+		{isTagsVisible ? 'opacity-100' : 'opacity-0'}"
 >
 	<div
 		class="absolute inset-0 bg-gradient-to-r from-transparent via-transparent via-60% to-white"

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

@@ -0,0 +1,42 @@
+import { Color } from '$lib/post/domain/entity/color';
+import z from 'zod';
+
+export const ColorResponseSchema = z.object({
+	red: z.number().int().min(0).max(255),
+	green: z.number().int().min(0).max(255),
+	blue: z.number().int().min(0).max(255),
+	alpha: z.number().int().min(0).max(255)
+});
+
+export class ColorResponseDto {
+	readonly red: number;
+	readonly green: number;
+	readonly blue: number;
+	readonly alpha: number;
+
+	private constructor(props: { red: number; green: number; blue: number; alpha: number }) {
+		this.red = props.red;
+		this.green = props.green;
+		this.blue = props.blue;
+		this.alpha = props.alpha;
+	}
+
+	static fromJson(json: unknown): ColorResponseDto {
+		const parsedJson = ColorResponseSchema.parse(json);
+		return new ColorResponseDto({
+			red: parsedJson.red,
+			green: parsedJson.green,
+			blue: parsedJson.blue,
+			alpha: parsedJson.alpha
+		});
+	}
+
+	toEntity(): Color {
+		return new Color({
+			red: this.red,
+			green: this.green,
+			blue: this.blue,
+			alpha: this.alpha
+		});
+	}
+}

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

@@ -0,0 +1,38 @@
+import { ColorResponseDto, ColorResponseSchema } from '$lib/post/adapter/gateway/colorResponseDto';
+import { Label } from '$lib/post/domain/entity/label';
+import { z } from 'zod';
+
+export const LabelResponseSchema = z.object({
+	id: z.int32(),
+	name: z.string(),
+	color: ColorResponseSchema
+});
+
+export class LabelResponseDto {
+	readonly id: number;
+	readonly name: string;
+	readonly color: ColorResponseDto;
+
+	private constructor(props: { id: number; name: string; color: ColorResponseDto }) {
+		this.id = props.id;
+		this.name = props.name;
+		this.color = props.color;
+	}
+
+	static fromJson(json: unknown): LabelResponseDto {
+		const parsedJson = LabelResponseSchema.parse(json);
+		return new LabelResponseDto({
+			id: parsedJson.id,
+			name: parsedJson.name,
+			color: ColorResponseDto.fromJson(parsedJson.color)
+		});
+	}
+
+	toEntity(): Label {
+		return new Label({
+			id: this.id,
+			name: this.name,
+			color: this.color
+		});
+	}
+}

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

@@ -0,0 +1,5 @@
+import type { PostInfoResponseDto } from '$lib/post/adapter/gateway/postInfoResponseDto';
+
+export interface PostApiService {
+	getAllPosts(): Promise<PostInfoResponseDto[]>;
+}

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

@@ -0,0 +1,60 @@
+import { LabelResponseDto, LabelResponseSchema } from '$lib/post/adapter/gateway/labelResponseDto';
+import { PostInfo } from '$lib/post/domain/entity/postInfo';
+import z from 'zod';
+
+export const PostInfoResponseSchema = z.object({
+	id: z.int32(),
+	title: z.string(),
+	description: z.string(),
+	preview_image_url: z.url(),
+	labels: z.array(LabelResponseSchema),
+	published_time: z.number().int()
+});
+
+export class PostInfoResponseDto {
+	readonly id: number;
+	readonly title: string;
+	readonly description: string;
+	readonly previewImageUrl: URL;
+	readonly labels: readonly LabelResponseDto[];
+	readonly publishedTime: Date;
+
+	private constructor(props: {
+		id: number;
+		title: string;
+		description: string;
+		previewImageUrl: URL;
+		labels: LabelResponseDto[];
+		publishedTime: Date;
+	}) {
+		this.id = props.id;
+		this.title = props.title;
+		this.description = props.description;
+		this.previewImageUrl = props.previewImageUrl;
+		this.labels = props.labels;
+		this.publishedTime = props.publishedTime;
+	}
+
+	static fromJson(json: unknown): PostInfoResponseDto {
+		const parsedJson = PostInfoResponseSchema.parse(json);
+		return new PostInfoResponseDto({
+			id: parsedJson.id,
+			title: parsedJson.title,
+			description: parsedJson.description,
+			previewImageUrl: new URL(parsedJson.preview_image_url),
+			labels: parsedJson.labels.map((label) => LabelResponseDto.fromJson(label)),
+			publishedTime: new Date(parsedJson.published_time / 1000)
+		});
+	}
+
+	toEntity(): PostInfo {
+		return new PostInfo({
+			id: this.id,
+			title: this.title,
+			description: this.description,
+			previewImageUrl: this.previewImageUrl,
+			labels: this.labels.map((label) => label.toEntity()),
+			publishedTime: this.publishedTime
+		});
+	}
+}

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

@@ -0,0 +1,12 @@
+import type { PostApiService } from '$lib/post/adapter/gateway/postApiService';
+import type { PostRepository } from '$lib/post/application/repository/postRepository';
+import type { PostInfo } from '$lib/post/domain/entity/postInfo';
+
+export class PostRepositoryImpl implements PostRepository {
+	constructor(private readonly postApiService: PostApiService) {}
+
+	async getAllPosts(): Promise<PostInfo[]> {
+		const dtos = await this.postApiService.getAllPosts();
+		return dtos.map((dto) => dto.toEntity());
+	}
+}

frontend/src/lib/post/adapter/presenter/colorViewModel.ts

@@ -0,0 +1,114 @@
+import type { Color } from '$lib/post/domain/entity/color';
+
+export class ColorViewModel {
+	readonly red: number;
+	readonly green: number;
+	readonly blue: number;
+	readonly alpha: number;
+
+	private constructor(props: { red: number; green: number; blue: number; alpha: number }) {
+		this.red = props.red;
+		this.green = props.green;
+		this.blue = props.blue;
+		this.alpha = props.alpha;
+	}
+
+	private static fromHsl(hsl: Hsl): ColorViewModel {
+		const { h, s, l } = hsl;
+		let r, g, b;
+
+		if (s === 0) {
+			// achromatic (grayscale)
+			r = g = b = l;
+		} else {
+			const hue2rgb = (p: number, q: number, t: number) => {
+				if (t < 0) t += 1;
+				if (t > 1) t -= 1;
+				if (t < 1 / 6) return p + (q - p) * 6 * t;
+				if (t < 1 / 2) return q;
+				if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6;
+				return p;
+			};
+
+			const q = l < 0.5 ? l * (1 + s) : l + s - l * s;
+			const p = 2 * l - q;
+			const h_norm = h / 360;
+
+			r = hue2rgb(p, q, h_norm + 1 / 3);
+			g = hue2rgb(p, q, h_norm);
+			b = hue2rgb(p, q, h_norm - 1 / 3);
+		}
+
+		return new ColorViewModel({
+			red: Math.round(r * 255),
+			green: Math.round(g * 255),
+			blue: Math.round(b * 255),
+			alpha: 255
+		});
+	}
+
+	static fromEntity(color: Color): ColorViewModel {
+		return new ColorViewModel({
+			red: color.red,
+			green: color.green,
+			blue: color.blue,
+			alpha: color.alpha
+		});
+	}
+
+	get hex(): string {
+		const toHex = (value: number) => value.toString(16).padStart(2, '0');
+		return `#${toHex(this.red)}${toHex(this.green)}${toHex(this.blue)}${toHex(this.alpha)}`;
+	}
+
+	private toHsl(): Hsl {
+		const r = this.red / 255;
+		const g = this.green / 255;
+		const b = this.blue / 255;
+
+		const max = Math.max(r, g, b);
+		const min = Math.min(r, g, b);
+		let h = 0,
+			s = 0;
+		const l = (max + min) / 2;
+
+		if (max === min) {
+			// achromatic (grayscale)
+			h = s = 0;
+		} else {
+			const d = max - min;
+			s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
+			switch (max) {
+				case r:
+					h = (g - b) / d + (g < b ? 6 : 0);
+					break;
+				case g:
+					h = (b - r) / d + 2;
+					break;
+				case b:
+					h = (r - g) / d + 4;
+					break;
+			}
+			h /= 6;
+		}
+
+		return { h: h * 360, s: s, l: l };
+	}
+
+	lighten(amount: number): ColorViewModel {
+		const hsl = this.toHsl();
+		hsl.l += amount;
+		hsl.l = Math.max(0, Math.min(1, hsl.l));
+		return ColorViewModel.fromHsl(hsl);
+	}
+
+	darken(amount: number): ColorViewModel {
+		return this.lighten(-amount);
+	}
+}
+
+interface Hsl {
+	h: number;
+	s: number;
+	l: number;
+}

frontend/src/lib/post/adapter/presenter/labelViewModel.ts

@@ -0,0 +1,22 @@
+import { ColorViewModel } from '$lib/post/adapter/presenter/colorViewModel';
+import type { Label } from '$lib/post/domain/entity/label';
+
+export class LabelViewModel {
+	readonly id: number;
+	readonly name: string;
+	readonly color: ColorViewModel;
+
+	private constructor(props: { id: number; name: string; color: ColorViewModel }) {
+		this.id = props.id;
+		this.name = props.name;
+		this.color = props.color;
+	}
+
+	static fromEntity(label: Label): LabelViewModel {
+		return new LabelViewModel({
+			id: label.id,
+			name: label.name,
+			color: ColorViewModel.fromEntity(label.color)
+		});
+	}
+}

frontend/src/lib/post/adapter/presenter/postInfoViewModel.ts

@@ -0,0 +1,38 @@
+import { LabelViewModel } from '$lib/post/adapter/presenter/labelViewModel';
+import type { PostInfo } from '$lib/post/domain/entity/postInfo';
+
+export class PostInfoViewModel {
+	readonly id: number;
+	readonly title: string;
+	readonly description: string;
+	readonly previewImageUrl: URL;
+	readonly labels: readonly LabelViewModel[];
+	readonly publishedTime: Date;
+
+	private constructor(props: {
+		id: number;
+		title: string;
+		description: string;
+		previewImageUrl: URL;
+		labels: readonly LabelViewModel[];
+		publishedTime: Date;
+	}) {
+		this.id = props.id;
+		this.title = props.title;
+		this.description = props.description;
+		this.previewImageUrl = props.previewImageUrl;
+		this.labels = props.labels;
+		this.publishedTime = props.publishedTime;
+	}
+
+	static fromEntity(postInfo: PostInfo): PostInfoViewModel {
+		return new PostInfoViewModel({
+			id: postInfo.id,
+			title: postInfo.title,
+			description: postInfo.description,
+			previewImageUrl: postInfo.previewImageUrl,
+			labels: postInfo.labels.map((label) => LabelViewModel.fromEntity(label)),
+			publishedTime: postInfo.publishedTime
+		});
+	}
+}

frontend/src/lib/post/adapter/presenter/postListBloc.ts

@@ -0,0 +1,44 @@
+import { StatusType, type AsyncState } from '$lib/common/adapter/presenter/asyncState';
+import { PostInfoViewModel } from '$lib/post/adapter/presenter/postInfoViewModel';
+import type { GetAllPostUseCase } from '$lib/post/application/useCase/getAllPostsUseCase';
+import { writable } from 'svelte/store';
+
+export class PostListBloc {
+	constructor(private readonly getAllPostsUseCase: GetAllPostUseCase) {}
+
+	private readonly state = writable<AsyncState<readonly PostInfoViewModel[]>>({
+		status: StatusType.Idle
+	});
+
+	get subscribe() {
+		return this.state.subscribe;
+	}
+
+	dispatch(event: PostListEvent) {
+		switch (event.event) {
+			case PostListEventType.PostListLoadedEvent:
+				this.loadPosts();
+				break;
+		}
+	}
+
+	private async loadPosts() {
+		this.state.set({ status: StatusType.Loading });
+		const posts = await this.getAllPostsUseCase.execute();
+		const postViewModels = posts.map((post) => PostInfoViewModel.fromEntity(post));
+		this.state.set({
+			status: StatusType.Success,
+			data: postViewModels
+		});
+	}
+}
+
+export enum PostListEventType {
+	PostListLoadedEvent
+}
+
+export interface PostListLoadedEvent {
+	event: PostListEventType.PostListLoadedEvent;
+}
+
+export type PostListEvent = PostListLoadedEvent;

frontend/src/lib/post/application/repository/postRepository.ts

@@ -0,0 +1,5 @@
+import type { PostInfo } from '$lib/post/domain/entity/postInfo';
+
+export interface PostRepository {
+	getAllPosts(): Promise<PostInfo[]>;
+}

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

@@ -0,0 +1,10 @@
+import type { PostRepository } from '$lib/post/application/repository/postRepository';
+import type { PostInfo } from '$lib/post/domain/entity/postInfo';
+
+export class GetAllPostUseCase {
+	constructor(private readonly postRepository: PostRepository) {}
+
+	execute(): Promise<PostInfo[]> {
+		return this.postRepository.getAllPosts();
+	}
+}

frontend/src/lib/post/domain/entity/color.ts

@@ -0,0 +1,13 @@
+export class Color {
+	readonly red: number;
+	readonly green: number;
+	readonly blue: number;
+	readonly alpha: number;
+
+	constructor(props: { red: number; green: number; blue: number; alpha: number }) {
+		this.red = props.red;
+		this.green = props.green;
+		this.blue = props.blue;
+		this.alpha = props.alpha;
+	}
+}

frontend/src/lib/post/domain/entity/label.ts

@@ -0,0 +1,13 @@
+import type { Color } from '$lib/post/domain/entity/color';
+
+export class Label {
+	readonly id: number;
+	readonly name: string;
+	readonly color: Color;
+
+	constructor(props: { id: number; name: string; color: Color }) {
+		this.id = props.id;
+		this.name = props.name;
+		this.color = props.color;
+	}
+}

frontend/src/lib/post/domain/entity/postInfo.ts

@@ -0,0 +1,26 @@
+import type { Label } from '$lib/post/domain/entity/label';
+
+export class PostInfo {
+	readonly id: number;
+	readonly title: string;
+	readonly description: string;
+	readonly previewImageUrl: URL;
+	readonly labels: readonly Label[];
+	readonly publishedTime: Date;
+
+	constructor(props: {
+		id: number;
+		title: string;
+		description: string;
+		previewImageUrl: URL;
+		labels: readonly Label[];
+		publishedTime: Date;
+	}) {
+		this.id = props.id;
+		this.title = props.title;
+		this.description = props.description;
+		this.previewImageUrl = props.previewImageUrl;
+		this.labels = props.labels;
+		this.publishedTime = props.publishedTime;
+	}
+}

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

@@ -0,0 +1,19 @@
+import { Environment } from '$lib/environment';
+import type { PostApiService } from '$lib/post/adapter/gateway/postApiService';
+import { PostInfoResponseDto } from '$lib/post/adapter/gateway/postInfoResponseDto';
+
+export class PostApiServiceImpl implements PostApiService {
+	async getAllPosts(): Promise<PostInfoResponseDto[]> {
+		const url = new URL(Environment.API_BASE_URL);
+		url.pathname += '/post/all';
+
+		const response = await fetch(url.href);
+
+		if (!response.ok) {
+			return [];
+		}
+
+		const json = await response.json();
+		return json.map(PostInfoResponseDto.fromJson);
+	}
+}

frontend/src/lib/post/framework/ui/PostOverallPage.svelte

@@ -0,0 +1,22 @@
+<script lang="ts">
+	import { StatusType } from '$lib/common/adapter/presenter/asyncState';
+	import { PostListBloc, PostListEventType } from '$lib/post/adapter/presenter/postListBloc';
+	import PostPreview from '$lib/post/framework/ui/PostPreview.svelte';
+	import { getContext, onMount } from 'svelte';
+
+	const postListBloc = getContext<PostListBloc>(PostListBloc.name);
+	const state = $derived($postListBloc);
+
+	onMount(() => postListBloc.dispatch({ event: PostListEventType.PostListLoadedEvent }));
+</script>
+
+<div class="container">
+	<div class="py-9 text-center text-3xl font-bold text-gray-800 md:py-20 md:text-5xl">文章</div>
+	{#if state.status === StatusType.Success}
+		<div class="grid grid-cols-1 gap-6 md:grid-cols-2 md:gap-y-8 lg:grid-cols-3">
+			{#each state.data as postInfo (postInfo.id)}
+				<PostPreview {postInfo} />
+			{/each}
+		</div>
+	{/if}
+</div>

frontend/src/lib/post/framework/ui/PostPreview.svelte

@@ -0,0 +1,41 @@
+<script lang="ts">
+	import type { PostInfoViewModel } from '$lib/post/adapter/presenter/postInfoViewModel';
+	import PostPreviewLabels from '$lib/post/framework/ui/PostPreviewLabels.svelte';
+
+	const { postInfo }: { postInfo: PostInfoViewModel } = $props();
+
+	let isImageLoading = $state(true);
+	let isImageError = $state(false);
+
+	function handleImageLoad() {
+		isImageLoading = false;
+	}
+
+	function handleImageError() {
+		isImageLoading = false;
+		isImageError = true;
+	}
+</script>
+
+<a class="flex cursor-pointer flex-col gap-y-4" href="/post/{postInfo.id}">
+	<div class="relative aspect-video overflow-hidden rounded-2xl bg-gray-200">
+		<img
+			class="rounded-2xl object-cover transition-opacity duration-300
+                {isImageLoading ? 'opacity-0' : 'opacity-100'}
+                {isImageError ? 'hidden' : ''}"
+			src={postInfo.previewImageUrl.href}
+			alt={postInfo.title}
+			onload={handleImageLoad}
+			onerror={handleImageError}
+		/>
+		{#if isImageLoading || isImageError}
+			<div class="absolute inset-0 flex items-center justify-center bg-gray-200"></div>
+		{/if}
+	</div>
+	<div class="flex flex-col gap-y-1.5">
+		<PostPreviewLabels labels={postInfo.labels} />
+		<span class="line-clamp-1 font-bold">{postInfo.title}</span>
+		<span class="line-clamp-3 text-justify text-sm">{postInfo.description}</span>
+		<span class="text-sm text-gray-500">查看更多 ⭢</span>
+	</div>
+</a>

frontend/src/lib/post/framework/ui/PostPreviewLabels.svelte

@@ -0,0 +1,25 @@
+<script lang="ts">
+	import type { LabelViewModel } from '$lib/post/adapter/presenter/labelViewModel';
+
+	const { labels }: { labels: readonly LabelViewModel[] } = $props();
+</script>
+
+<div class="flex flex-row gap-x-2 text-xs">
+	{#each labels.slice(0, 2) as label (label.id)}
+		<div
+			class="flex flex-row items-center gap-x-1 rounded-full px-2 py-0.5"
+			style="background-color: {label.color.hex};"
+		>
+			<div
+				class="size-2 rounded-full"
+				style="background-color: {label.color.darken(0.2).hex};"
+			></div>
+			<span>{label.name}</span>
+		</div>
+	{/each}
+	{#if labels.length > 2}
+		<div class="rounded-full bg-gray-200 px-2 py-0.5">
+			<span>+{labels.length - 2}</span>
+		</div>
+	{/if}
+</div>

frontend/src/routes/+page.svelte

@@ -1,11 +1,5 @@
 <script>
-	import Motto from '$lib/home/framework/ui/Motto.svelte';
-	import Terminal from '$lib/home/framework/ui/Terminal.svelte';
-	import TitleScreen from '$lib/home/framework/ui/TitleScreen.svelte';
+	import HomePage from '$lib/home/framework/ui/HomePage.svelte';
 </script>
 
-<div>
-	<TitleScreen />
-	<Terminal />
-	<Motto />
-</div>
+<HomePage />

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

@@ -0,0 +1,17 @@
+<script lang="ts">
+	import { PostRepositoryImpl } from '$lib/post/adapter/gateway/postRepositoryImpl';
+	import { PostListBloc } from '$lib/post/adapter/presenter/postListBloc';
+	import { GetAllPostUseCase } from '$lib/post/application/useCase/getAllPostsUseCase';
+	import { PostApiServiceImpl } from '$lib/post/framework/api/postApiServiceImpl';
+	import PostOverallPage from '$lib/post/framework/ui/PostOverallPage.svelte';
+	import { setContext } from 'svelte';
+
+	const postApiService = new PostApiServiceImpl();
+	const postRepository = new PostRepositoryImpl(postApiService);
+	const getAllPostsUseCase = new GetAllPostUseCase(postRepository);
+	const postListBloc = new PostListBloc(getAllPostsUseCase);
+
+	setContext(PostListBloc.name, postListBloc);
+</script>
+
+<PostOverallPage />

frontend/vite.config.ts

@@ -8,5 +8,14 @@ export default defineConfig({
 	plugins: [tailwindcss(), sveltekit()],
 	define: {
 		'App.__VERSION__': JSON.stringify(version)
+	},
+	server: {
+		proxy: {
+			'/api': {
+				target: 'http://127.0.0.1:8080',
+				changeOrigin: true,
+				rewrite: (path) => path.replace(/^\/api/, '')
+			}
+		}
 	}
 });