[4기 김영명] URL Shortener 과제 제출

.gitignore

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README.md

@@ -3,9 +3,9 @@ SprintBoot URL Shortener 구현 미션 Repository 입니다.
 
 ## 요구사항
 각 요구사항을 모두 충족할 수 있도록 노력해봅시다.
-- [ ] URL 입력폼 제공 및 결과 출력
-- [ ] URL Shortening Key는 8 Character 이내로 생성
-- [ ] 단축된 URL 요청시 원래 URL로 리다이렉트
+- [X] URL 입력폼 제공 및 결과 출력
+- [X] URL Shortening Key는 8 Character 이내로 생성
+- [X] 단축된 URL 요청시 원래 URL로 리다이렉트
 - [ ] 단축된 URL에 대한 요청 수 정보저장 (optional)
 - [ ] Shortening Key를 생성하는 알고리즘 2개 이상 제공하며 애플리케이션 실행중 동적으로 변경 가능 (optional) 
 

build.gradle

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+plugins {
+    id 'java'
+    id 'org.springframework.boot' version '3.1.4'
+    id 'io.spring.dependency-management' version '1.1.3'
+}
+
+group = 'com.prgrms'
+version = '0.0.1-SNAPSHOT'
+
+java {
+    sourceCompatibility = '17'
+}
+
+configurations {
+    compileOnly {
+        extendsFrom annotationProcessor
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    // Spring Data JPA
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+
+    // Thymeleaf
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+
+    // Spring Web
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+
+    // H2 Database
+    runtimeOnly 'com.h2database:h2'
+
+    // Lombok
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
+
+    // Spring Test
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
+
+    // Bean Validator
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
+
+}
+
+tasks.named('test') {
+    useJUnitPlatform()
+}

settings.gradle

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+rootProject.name = 'url-shortener'

src/main/java/com/prgrms/urlshortener/UrlShortenerApplication.java

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+package com.prgrms.urlshortener;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class UrlShortenerApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(UrlShortenerApplication.class, args);
+	}
+
+}

src/main/java/com/prgrms/urlshortener/controller/HomeController.java

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+package com.prgrms.urlshortener.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import com.prgrms.urlshortener.domain.dto.ShortenUrlRequest;
+import com.prgrms.urlshortener.domain.dto.ShortenUrlResponse;
+import com.prgrms.urlshortener.service.UrlShortenService;
+import jakarta.validation.Valid;
+import java.util.NoSuchElementException;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+public class HomeController {
+
+	private final UrlShortenService urlShortenService;
+
+	@ExceptionHandler(NoSuchElementException.class)
+	public String handleNoSuchElementException() {
+		return "404";
+	}
+
+	@PostMapping("/shorten")
+	public String shorten(@Valid @ModelAttribute ShortenUrlRequest request, BindingResult bindingResult, Model model) {
+		if (bindingResult.hasErrors()) {
+			return "redirect:error";
+		}
+
+		ShortenUrlResponse response = urlShortenService.generateShortUrl(request);
+		model.addAttribute("shortenUrlResponse", response);
+
+		return "shorten-result";
+	}
+
+	@GetMapping("/{shortUrl}")
+	public String getOriginalUrl(@PathVariable String shortUrl) {
+		log.info("shortUrl={}", shortUrl);
+		return "redirect:https://" + urlShortenService.getOriginalUrl(shortUrl);
+	}
+}