Create gallery api

src/main/java/cc/ryanc/halo/model/dto/GalleryOutputDTO.java

@@ -0,0 +1,21 @@
+package cc.ryanc.halo.model.dto;
+
+import cc.ryanc.halo.model.dto.base.OutputConverter;
+import cc.ryanc.halo.model.entity.Gallery;
+import lombok.Data;
+
+/**
+ * @author : RYAN0UP
+ * @date : 2019/3/21
+ */
+@Data
+public class GalleryOutputDTO implements OutputConverter<GalleryOutputDTO, Gallery> {
+
+    private Integer id;
+
+    private String name;
+
+    private String thumbnail;
+
+    private String url;
+}

src/main/java/cc/ryanc/halo/service/GalleryService.java

@@ -1,7 +1,13 @@
 package cc.ryanc.halo.service;
 
+import cc.ryanc.halo.model.dto.GalleryOutputDTO;
+import cc.ryanc.halo.model.dto.LinkOutputDTO;
 import cc.ryanc.halo.model.entity.Gallery;
 import cc.ryanc.halo.service.base.CrudService;
+import org.springframework.data.domain.Sort;
+import org.springframework.lang.NonNull;
+
+import java.util.List;
 
 /**
  * Gallery service.
@@ -10,4 +16,11 @@ import cc.ryanc.halo.service.base.CrudService;
  */
 public interface GalleryService extends CrudService<Gallery, Integer> {
 
+    /**
+     * List gallery dtos.
+     *
+     * @param sort sort
+     * @return all galleries
+     */
+    List<GalleryOutputDTO> listDtos(@NonNull Sort sort);
 }

src/main/java/cc/ryanc/halo/service/impl/GalleryServiceImpl.java

@@ -1,10 +1,16 @@
 package cc.ryanc.halo.service.impl;
 
+import cc.ryanc.halo.model.dto.GalleryOutputDTO;
 import cc.ryanc.halo.model.entity.Gallery;
 import cc.ryanc.halo.repository.GalleryRepository;
 import cc.ryanc.halo.service.GalleryService;
 import cc.ryanc.halo.service.base.AbstractCrudService;
+import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
+import org.springframework.util.Assert;
+
+import java.util.List;
+import java.util.stream.Collectors;
 
 /**
  * GalleryService implementation class
@@ -21,4 +27,17 @@ public class GalleryServiceImpl extends AbstractCrudService<Gallery, Integer> im
         super(galleryRepository);
         this.galleryRepository = galleryRepository;
     }
+
+    /**
+     * List gallery dtos.
+     *
+     * @param sort sort
+     * @return all galleries
+     */
+    @Override
+    public List<GalleryOutputDTO> listDtos(Sort sort) {
+        Assert.notNull(sort, "Sort info must not be null");
+
+        return listAll(sort).stream().map(gallery -> (GalleryOutputDTO) new GalleryOutputDTO().convertFrom(gallery)).collect(Collectors.toList());
+    }
 }

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

@@ -0,0 +1,39 @@
+package cc.ryanc.halo.web.controller.admin.api;
+
+import cc.ryanc.halo.model.dto.GalleryOutputDTO;
+import cc.ryanc.halo.service.GalleryService;
+import org.springframework.data.domain.Sort;
+import org.springframework.data.web.SortDefault;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * Gallery controller
+ *
+ * @author : RYAN0UP
+ * @date : 2019/3/21
+ */
+@RestController
+@RequestMapping("/admin/api/galleries")
+public class GalleryController {
+
+    private final GalleryService galleryService;
+
+    public GalleryController(GalleryService galleryService) {
+        this.galleryService = galleryService;
+    }
+
+    /**
+     * List all galleries
+     *
+     * @param sort sort
+     * @return all of galleries
+     */
+    @GetMapping
+    public List<GalleryOutputDTO> listGalleries(@SortDefault(sort = "updateTime", direction = Sort.Direction.DESC) Sort sort) {
+        return galleryService.listDtos(sort);
+    }
+}