feat: completed static storage api.

src/main/java/run/halo/app/controller/admin/api/StaticStorageController.java

@@ -1,16 +1,18 @@
 package run.halo.app.controller.admin.api;
 
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 import run.halo.app.model.support.StaticFile;
 import run.halo.app.service.StaticStorageService;
 
 import java.util.List;
 
 /**
- * @author ryan0up
- * @date 2019/12/6
+ * Static storage controller.
+ *
+ * @author ryanwang
+ * @date 2019-12-06
  */
 @RestController
 @RequestMapping("/api/admin/statics")
@@ -23,7 +25,28 @@ public class StaticStorageController {
     }
 
     @GetMapping
+    @ApiOperation("List static files.")
     public List<StaticFile> list() {
         return staticStorageService.listStaticFolder();
     }
+
+    @DeleteMapping
+    @ApiOperation("Delete file by relative path")
+    public void deletePermanently(@RequestParam("path") String path) {
+        staticStorageService.delete(path);
+    }
+
+    @PostMapping
+    @ApiOperation("Create folder")
+    public void createFolder(String basePath,
+                             @RequestParam("folderName") String folderName) {
+        staticStorageService.createFolder(basePath, folderName);
+    }
+
+    @PostMapping("upload")
+    @ApiOperation("Upload static file")
+    public void upload(String basePath,
+                       @RequestPart("file") MultipartFile file) {
+        staticStorageService.update(basePath, file);
+    }
 }

src/main/java/run/halo/app/service/StaticStorageService.java

@@ -1,5 +1,7 @@
 package run.halo.app.service;
 
+import org.springframework.lang.NonNull;
+import org.springframework.web.multipart.MultipartFile;
 import run.halo.app.model.support.StaticFile;
 
 import java.util.List;
@@ -23,4 +25,27 @@ public interface StaticStorageService {
      * @return List<StaticFile>
      */
     List<StaticFile> listStaticFolder();
+
+    /**
+     * Delete file or folder by relative path
+     *
+     * @param relativePath relative path
+     */
+    void delete(@NonNull String relativePath);
+
+    /**
+     * Create folder.
+     *
+     * @param basePath   base path
+     * @param folderName folder name must not be null
+     */
+    void createFolder(String basePath, @NonNull String folderName);
+
+    /**
+     * Update static file.
+     *
+     * @param basePath base path
+     * @param file     file must not be null.
+     */
+    void update(String basePath, @NonNull MultipartFile file);
 }

src/main/java/run/halo/app/service/impl/StaticStorageServiceImpl.java

@@ -5,10 +5,13 @@ import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
 import org.springframework.stereotype.Service;
 import org.springframework.util.Assert;
+import org.springframework.web.multipart.MultipartFile;
 import run.halo.app.config.properties.HaloProperties;
+import run.halo.app.exception.FileOperationException;
 import run.halo.app.exception.ServiceException;
 import run.halo.app.model.support.StaticFile;
 import run.halo.app.service.StaticStorageService;
+import run.halo.app.utils.FileUtils;
 
 import java.io.IOException;
 import java.nio.file.Files;
@@ -38,7 +41,6 @@ public class StaticStorageServiceImpl implements StaticStorageService {
 
     @Override
     public List<StaticFile> listStaticFolder() {
-        System.out.println(staticDir);
         return listStaticFileTree(staticDir);
     }
 
@@ -78,4 +80,68 @@ public class StaticStorageServiceImpl implements StaticStorageService {
         }
     }
 
+    @Override
+    public void delete(String relativePath) {
+        Assert.notNull(relativePath, "Relative path must not be null");
+
+        Path path = Paths.get(staticDir.toString(), relativePath);
+        System.out.println(path.toString());
+
+        try {
+            if (path.toFile().isDirectory()) {
+                FileUtils.deleteFolder(path);
+            } else {
+                Files.deleteIfExists(path);
+            }
+        } catch (IOException e) {
+            throw new FileOperationException("文件 " + relativePath + " 删除失败", e);
+        }
+    }
+
+    @Override
+    public void createFolder(String basePath, String folderName) {
+        Assert.notNull(folderName, "Folder name path must not be null");
+
+        Path path;
+
+        if (StringUtils.isEmpty(basePath)) {
+            path = Paths.get(staticDir.toString(), folderName);
+        } else {
+            path = Paths.get(staticDir.toString(), basePath, folderName);
+        }
+
+        if (path.toFile().exists()) {
+            throw new FileOperationException("目录 " + path.toString() + " 已存在").setErrorData(path);
+        }
+
+        try {
+            FileUtils.createIfAbsent(path);
+        } catch (IOException e) {
+            throw new FileOperationException("目录 " + path.toString() + " 创建失败", e);
+        }
+    }
+
+    @Override
+    public void update(String basePath, MultipartFile file) {
+        Assert.notNull(file, "Multipart file must not be null");
+
+        Path uploadPath;
+
+        if (StringUtils.isEmpty(basePath)) {
+            uploadPath = Paths.get(staticDir.toString(), file.getOriginalFilename());
+        } else {
+            uploadPath = Paths.get(staticDir.toString(), basePath, file.getOriginalFilename());
+        }
+
+        if (uploadPath.toFile().exists()) {
+            throw new FileOperationException("文件 " + file.getOriginalFilename() + " 已存在").setErrorData(uploadPath);
+        }
+
+        try {
+            Files.createFile(uploadPath);
+            file.transferTo(uploadPath);
+        } catch (IOException e) {
+            throw new ServiceException("上传文件失败").setErrorData(uploadPath);
+        }
+    }
 }