Move background to database.

src/main/java/com/peteralbus/controller/BackgroundImageController.java

@@ -0,0 +1,75 @@
+package com.peteralbus.controller;
+
+import com.peteralbus.domain.BackgroundImage;
+import com.peteralbus.domain.Result;
+import com.peteralbus.service.BackgroundImageService;
+import com.peteralbus.service.PhotoService;
+import com.peteralbus.service.impl.PhotoServiceImpl;
+import com.peteralbus.util.ResultUtil;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+import java.util.Map;
+
+@RequiredArgsConstructor(onConstructor = @__(@Autowired))
+@RestController
+@CrossOrigin
+@RequestMapping("/background")
+public class BackgroundImageController {
+    private final BackgroundImageService backgroundImageService;
+    private final PhotoService photoService;
+
+    @RequestMapping("/queryAll")
+    public Result<List<BackgroundImage>> queryAll() {
+        return ResultUtil.success(backgroundImageService.queryAll());
+    }
+
+    @RequestMapping("/queryById")
+    public Result<BackgroundImage> queryById(Long backgroundId) {
+        return ResultUtil.success(backgroundImageService.queryById(backgroundId));
+    }
+
+    @PostMapping("/add")
+    public Result<?> add(@RequestParam("file") MultipartFile file, String description) {
+        BackgroundImage backgroundImage = new BackgroundImage();
+        if(file.getSize() > 1024 * 1024 * 512) {
+            return ResultUtil.error(500,"上传失败，文件大小超过512MB");
+        }
+        Map<String,String> savedUrl = photoService.savePhoto(file, "blog/static/background", false);
+        backgroundImage.setBackgroundUrl(savedUrl.get("url"));
+        backgroundImage.setBackgroundPath(savedUrl.get("url").replace(PhotoServiceImpl.BASE_URL,PhotoServiceImpl.BASE_PATH));
+        int result = backgroundImageService.add(backgroundImage);
+        if (result == 0) {
+            return ResultUtil.error(500, "添加失败");
+        }
+        return ResultUtil.success(null);
+    }
+
+    @PostMapping("/update")
+    public Result<?> update(Long backgroundId, String description) {
+        BackgroundImage backgroundImage = backgroundImageService.queryById(backgroundId);
+        backgroundImage.setBackgroundDescription(description);
+        int result = backgroundImageService.update(backgroundImage);
+        if (result == 0) {
+            return ResultUtil.error(500, "更新失败");
+        }
+        return ResultUtil.success(null);
+    }
+
+    @PostMapping("/delete")
+    public Result<?> delete(Long backgroundId) {
+        BackgroundImage backgroundImage = backgroundImageService.queryById(backgroundId);
+        Result<?> result = photoService.deletePhotoByUrl(backgroundImage.getBackgroundPath());
+        if (result.getCode() != 200) {
+            return result;
+        }
+        int infoResult = backgroundImageService.delete(backgroundId);
+        if (infoResult == 0) {
+            return ResultUtil.error(500, "数据库信息删除失败");
+        }
+        return ResultUtil.success(null);
+    }
+}

src/main/java/com/peteralbus/controller/PhotoController.java

@@ -49,7 +49,7 @@ public class PhotoController {
     @PostMapping("/uploadOriginImg")
     public Result<?> uploadOriginImg(@RequestParam("file") MultipartFile file, String path) {
         /*pathExample:blog/imgs/photo/*/
-        // 文件大于1GB不允许上传
+        // 文件大于0.5GB不允许上传
         if(file.getSize() > 1024 * 1024 * 512) {
             return ResultUtil.error(500,"上传失败，文件大小超过512MB");
         }

src/main/java/com/peteralbus/domain/BackgroundImage.java

@@ -0,0 +1,42 @@
+package com.peteralbus.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+/**
+ * The type Background image.
+ * Store background image information of blog.
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@ToString
+public class BackgroundImage {
+    /**
+     * The Background id.
+     */
+    @TableId(type= IdType.ASSIGN_ID)
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
+    Long backgroundId;
+    /**
+     * The Background url.
+     */
+    String backgroundUrl;
+    /**
+     * The Background path.
+     */
+    String backgroundPath;
+    /**
+     * The Background description.
+     */
+    String backgroundDescription;
+    /**
+     * Whether put it into random list.
+     */
+    Boolean isShow;
+}

src/main/java/com/peteralbus/mapper/BackgroundImageMapper.java

@@ -0,0 +1,12 @@
+package com.peteralbus.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.peteralbus.domain.BackgroundImage;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * The interface Background image mapper.
+ */
+@Mapper
+public interface BackgroundImageMapper extends BaseMapper<BackgroundImage> {
+}

src/main/java/com/peteralbus/service/BackgroundImageService.java

@@ -0,0 +1,49 @@
+package com.peteralbus.service;
+
+import com.peteralbus.domain.BackgroundImage;
+
+import java.util.List;
+
+/**
+ * The interface Background image service.
+ */
+public interface BackgroundImageService {
+    /**
+     * Query all list.
+     *
+     * @return the list
+     */
+    List<BackgroundImage> queryAll();
+
+    /**
+     * Add int.
+     *
+     * @param backgroundImage the background image
+     * @return the int
+     */
+    int add(BackgroundImage backgroundImage);
+
+    /**
+     * Update int.
+     *
+     * @param backgroundImage the background image
+     * @return the int
+     */
+    int update(BackgroundImage backgroundImage);
+
+    /**
+     * Delete int.
+     *
+     * @param backgroundId the background id
+     * @return the int
+     */
+    int delete(Long backgroundId);
+
+    /**
+     * Query by id background image.
+     *
+     * @param backgroundId the background id
+     * @return the background image
+     */
+    BackgroundImage queryById(Long backgroundId);
+}

src/main/java/com/peteralbus/service/impl/BackgroundImageServiceImpl.java

@@ -0,0 +1,41 @@
+package com.peteralbus.service.impl;
+
+import com.peteralbus.domain.BackgroundImage;
+import com.peteralbus.mapper.BackgroundImageMapper;
+import com.peteralbus.service.BackgroundImageService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor(onConstructor = @__(@Autowired))
+public class BackgroundImageServiceImpl implements BackgroundImageService {
+    private final BackgroundImageMapper backgroundImageMapper;
+
+    @Override
+    public List<BackgroundImage> queryAll() {
+        return backgroundImageMapper.selectList(null);
+    }
+
+    @Override
+    public int add(BackgroundImage backgroundImage) {
+        return backgroundImageMapper.insert(backgroundImage);
+    }
+
+    @Override
+    public int update(BackgroundImage backgroundImage) {
+        return backgroundImageMapper.updateById(backgroundImage);
+    }
+
+    @Override
+    public int delete(Long backgroundId) {
+        return backgroundImageMapper.deleteById(backgroundId);
+    }
+
+    @Override
+    public BackgroundImage queryById(Long backgroundId) {
+        return backgroundImageMapper.selectById(backgroundId);
+    }
+}

src/main/java/com/peteralbus/service/impl/PhotoServiceImpl.java

@@ -27,8 +27,8 @@ import java.util.UUID;
 @RequiredArgsConstructor(onConstructor = @__(@Autowired))
 public class PhotoServiceImpl implements PhotoService
 {
-    static final String BASE_PATH = "/home/PeterAlbus/assets/";
-    static final String BASE_URL = "https://file.peteralbus.com/assets/";
+    public static final String BASE_PATH = "/home/PeterAlbus/assets/";
+    public static final String BASE_URL = "https://file.peteralbus.com/assets/";
     private final PhotoMapper photoMapper;
     @Override
     public List<Photo> queryAll()