Create ContentFeedController

src/main/java/cc/ryanc/halo/web/controller/admin/api/ThemeController.java

@@ -29,7 +29,7 @@ public class ThemeController {
 
     private final OptionService optionService;
 
-    private Configuration configuration;
+    private final Configuration configuration;
 
     public ThemeController(OptionService optionService,
                            Configuration configuration) {

src/main/java/cc/ryanc/halo/web/controller/content/ContentCategoryController.java

@@ -24,9 +24,9 @@ import static org.springframework.data.domain.Sort.Direction.DESC;
 @RequestMapping(value = "/categories")
 public class ContentCategoryController extends BaseContentController {
 
-    private CategoryService categoryService;
+    private final CategoryService categoryService;
 
-    private PostService postService;
+    private final PostService postService;
 
     public ContentCategoryController(CategoryService categoryService,
                                      PostService postService) {

src/main/java/cc/ryanc/halo/web/controller/content/ContentFeedController.java

@@ -0,0 +1,161 @@
+package cc.ryanc.halo.web.controller.content;
+
+import cc.ryanc.halo.model.entity.Post;
+import cc.ryanc.halo.model.enums.BlogProperties;
+import cc.ryanc.halo.model.enums.PostStatus;
+import cc.ryanc.halo.model.enums.PostType;
+import cc.ryanc.halo.service.PostService;
+import cn.hutool.core.util.StrUtil;
+import freemarker.template.Template;
+import freemarker.template.TemplateException;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
+
+import java.io.IOException;
+import java.util.List;
+
+import static cc.ryanc.halo.model.support.HaloConst.OPTIONS;
+
+/**
+ * @author : RYAN0UP
+ * @date : 2019-03-21
+ */
+@Controller
+public class ContentFeedController {
+
+    private final PostService postService;
+
+    private final FreeMarkerConfigurer freeMarker;
+
+    public ContentFeedController(PostService postService, FreeMarkerConfigurer freeMarker) {
+        this.postService = postService;
+        this.freeMarker = freeMarker;
+    }
+
+    /**
+     * Get post rss
+     *
+     * @param model model
+     * @return String
+     * @throws IOException       IOException
+     * @throws TemplateException TemplateException
+     */
+    @GetMapping(value = {"feed", "feed.xml", "rss", "rss.xml"}, produces = "application/xml;charset=UTF-8")
+    @ResponseBody
+    public String feed(Model model) throws IOException, TemplateException {
+        String rssPosts = OPTIONS.get(BlogProperties.RSS_POSTS.getValue());
+        if (StrUtil.isBlank(rssPosts)) {
+            rssPosts = "20";
+        }
+        final Sort sort = new Sort(Sort.Direction.DESC, "postDate");
+        final Pageable pageable = PageRequest.of(0, Integer.parseInt(rssPosts), sort);
+        final Page<Post> postsPage = postService.pageBy(PostStatus.PUBLISHED, PostType.POST, pageable).map(post -> {
+            if (StrUtil.isNotEmpty(post.getPassword())) {
+                post.setFormatContent("该文章为加密文章");
+                post.setSummary("该文章为加密文章");
+            }
+            return post;
+        });
+        final List<Post> posts = postsPage.getContent();
+        model.addAttribute("posts", posts);
+        final Template template = freeMarker.getConfiguration().getTemplate("common/web/rss.ftl");
+        return FreeMarkerTemplateUtils.processTemplateIntoString(template, model);
+    }
+
+    /**
+     * Get atom.xml
+     *
+     * @param model model
+     * @return String
+     * @throws IOException       IOException
+     * @throws TemplateException TemplateException
+     */
+    @GetMapping(value = {"atom", "atom.xml"}, produces = "application/xml;charset=UTF-8")
+    @ResponseBody
+    public String atom(Model model) throws IOException, TemplateException {
+        String rssPosts = OPTIONS.get(BlogProperties.RSS_POSTS.getValue());
+        if (StrUtil.isBlank(rssPosts)) {
+            rssPosts = "20";
+        }
+        final Sort sort = new Sort(Sort.Direction.DESC, "postDate");
+        final Pageable pageable = PageRequest.of(0, Integer.parseInt(rssPosts), sort);
+        final Page<Post> postsPage = postService.pageBy(PostStatus.PUBLISHED, PostType.POST, pageable).map(post -> {
+            if (StrUtil.isNotEmpty(post.getPassword())) {
+                post.setFormatContent("该文章为加密文章");
+                post.setSummary("该文章为加密文章");
+            }
+            return post;
+        });
+        final List<Post> posts = postsPage.getContent();
+        model.addAttribute("posts", posts);
+        final Template template = freeMarker.getConfiguration().getTemplate("common/web/atom.ftl");
+        return FreeMarkerTemplateUtils.processTemplateIntoString(template, model);
+    }
+
+    /**
+     * Get sitemap.xml.
+     *
+     * @param model model
+     * @return String
+     * @throws IOException       IOException
+     * @throws TemplateException TemplateException
+     */
+    @GetMapping(value = {"sitemap", "sitemap.xml"}, produces = "application/xml;charset=UTF-8")
+    @ResponseBody
+    public String sitemapXml(Model model) throws IOException, TemplateException {
+        final Page<Post> postsPage = postService.pageBy(PostStatus.PUBLISHED, PostType.POST, null).map(post -> {
+            if (StrUtil.isNotEmpty(post.getPassword())) {
+                post.setFormatContent("该文章为加密文章");
+                post.setSummary("该文章为加密文章");
+            }
+            return post;
+        });
+        final List<Post> posts = postsPage.getContent();
+        model.addAttribute("posts", posts);
+        final Template template = freeMarker.getConfiguration().getTemplate("common/web/sitemap_xml.ftl");
+        return FreeMarkerTemplateUtils.processTemplateIntoString(template, model);
+    }
+
+    /**
+     * Get sitemap.html.
+     *
+     * @param model model
+     * @return String
+     */
+    @GetMapping(value = "sitemap.html", produces = {"text/html"})
+    public String sitemapHtml(Model model) {
+        final Page<Post> postsPage = postService.pageBy(PostStatus.PUBLISHED, PostType.POST, null).map(post -> {
+            if (StrUtil.isNotEmpty(post.getPassword())) {
+                post.setFormatContent("该文章为加密文章");
+                post.setSummary("该文章为加密文章");
+            }
+            return post;
+        });
+        final List<Post> posts = postsPage.getContent();
+        model.addAttribute("posts", posts);
+        return "common/web/sitemap_html";
+    }
+
+    /**
+     * Get robots.
+     *
+     * @param model model
+     * @return String
+     * @throws IOException       IOException
+     * @throws TemplateException TemplateException
+     */
+    @GetMapping(value = "robots.txt", produces = {"text/plain"})
+    @ResponseBody
+    public String robots(Model model) throws IOException, TemplateException {
+        final Template template = freeMarker.getConfiguration().getTemplate("common/web/robots.ftl");
+        return FreeMarkerTemplateUtils.processTemplateIntoString(template, model);
+    }
+}

src/main/java/cc/ryanc/halo/web/controller/content/ContentIndexController.java

@@ -34,7 +34,7 @@ import static org.springframework.data.domain.Sort.Direction.DESC;
 @RequestMapping
 public class ContentIndexController extends BaseContentController {
 
-    private PostService postService;
+    private final PostService postService;
 
     public ContentIndexController(PostService postService) {
         this.postService = postService;

src/main/java/cc/ryanc/halo/web/controller/content/ContentTagController.java

@@ -31,9 +31,9 @@ import static org.springframework.data.domain.Sort.Direction.DESC;
 @RequestMapping(value = "/tags")
 public class ContentTagController extends BaseContentController {
 
-    private TagService tagService;
+    private final TagService tagService;
 
-    private PostService postService;
+    private final PostService postService;
 
     public ContentTagController(TagService tagService, PostService postService) {
         this.tagService = tagService;