src/main/java/com/blog/web/controllers/ArticleController.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75

package com.blog.web.controllers;

import com.blog.web.dto.ArticleDto;
import com.blog.web.models.Article;
import com.blog.web.services.ArticleService;
import jakarta.validation.Valid;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
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 java.time.LocalDateTime;
import java.util.List;

@Controller
public class ArticleController {
    private ArticleService articleService;

    public ArticleController(ArticleService articleService) {
        this.articleService = articleService;
    }

    @GetMapping("/")
    public String listArticles(Model model) {
        List<ArticleDto> articles = articleService.findAllArticles();
        model.addAttribute("articles", articles);
        return "index";
    }

    @GetMapping("/articles/new")
    public String createArticleForm(Model model) {
        Article article = new Article();
        model.addAttribute("article", article);
        return "articles/new";
    }

    @PostMapping("/articles/new")
    public String saveArticle(@Valid @ModelAttribute("article") ArticleDto articleDto,
                              BindingResult result,
                              Model model) {
        if(result.hasErrors()) {
            model.addAttribute("article", articleDto);
            return "articles/new";
        }
        articleService.saveArticle(articleDto);
        return "redirect:/articles";
    }

    @GetMapping("/articles/edit/{articleId}")
    public String editArticleForm(@PathVariable("articleId") long articleId, Model model) {
        ArticleDto articleDto = articleService.findArticleById(articleId);
        model.addAttribute("article", articleDto);
        return "articles/edit";
    }

    @PostMapping("/articles/edit/{articleId}")
    public String updateArticle(@PathVariable("articleId") Long articleId,
                                @Valid @ModelAttribute("article") ArticleDto article,
                                BindingResult result) {
        if(result.hasErrors()) {
            return "articles/edit";
        }
        article.setId(articleId);
        articleService.updateArticle(article);
        return "redirect:/articles";
    }

    @GetMapping("/articles")
    public String getArticles() {
        return "redirect:/";
    }
}