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WebUI개발을 위한 의존성 추가
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/home 에서 WebUI를 보여주도록 WebController를 추가합니다.
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package com.example.demo; import lombok.RequiredArgsConstructor; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.*; @Controller @RequiredArgsConstructor public class WebController { @GetMapping("/home") public String home(Model model) { return "home"; } } |
하드코딩된 BaseURL을 삭제 합니다.
- LinkController 와 LinkService를 같이 수정해야 합니다.
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LinkController를 리펙토링 합니다.
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package com.example.demo; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.*; import lombok.RequiredArgsConstructor; import lombok.Value; import reactor.core.publisher.Mono; @RestController @RequiredArgsConstructor public class LinkController { private final LinkService linkService; @PostMapping("/link") Mono<CreateLinkResponse> create(@RequestBody CreateLinkRequest requestLink) { return linkService.shortenLink(requestLink.getLink()) .map(CreateLinkResponse::new); } @GetMapping("/link/{key}") Mono<ResponseEntity<Object>> getLink(@PathVariable String key) { return linkService.getOriginalLink(key) .map(link -> ResponseEntity.status(HttpStatus.PERMANENT_REDIRECT) .header("Location", link.getOriginalLink()) .build()) .defaultIfEmpty(ResponseEntity.notFound().build()); } @Value public static class CreateLinkRequest { private String link; } @Value public static class CreateLinkResponse { private String shortenedLink; } } |
LinkService를 리펙토링 합니다.
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package com.example.demo; import org.apache.commons.lang3.RandomStringUtils; import org.springframework.stereotype.Service; import reactor.core.publisher.Mono; @Service public class LinkService { private final LinkRepository linkRepository; public LinkService(LinkRepository linkRepository) { this.linkRepository = linkRepository; } Mono<String> shortenLink(String link) { String randomKey = RandomStringUtils.randomAlphabetic(6); return linkRepository.save(new Link(link, randomKey)) .map(result -> result.getKey()); } Mono<Link> getOriginalLink(String key) { return linkRepository.findByKey(key); } } | ||||||||||
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