Build basic controllers and services for backup and recovery

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

+package run.halo.app.controller.admin.api;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import run.halo.app.service.BackupService;
+
+/**
+ * Backup controller
+ *
+ * @author johnniang
+ * @date 19-4-26
+ */
+@RestController
+@RequestMapping("/api/admin/backups")
+public class BackupController {
+
+    private final BackupService backupService;
+
+    public BackupController(BackupService backupService) {
+        this.backupService = backupService;
+    }
+}

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

+package run.halo.app.controller.admin.api;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import run.halo.app.service.RecoveryService;
+
+/**
+ * Recovery controller
+ *
+ * @author johnniang
+ * @date 19-4-26
+ */
+@RestController
+@RequestMapping("/api/admin/recoveries")
+public class RecoveryController {
+
+    private final RecoveryService recoveryService;
+
+    public RecoveryController(RecoveryService recoveryService) {
+        this.recoveryService = recoveryService;
+    }
+}

src/main/java/run/halo/app/controller/core/CommonController.java

@@ -35,15 +35,10 @@ public class CommonController implements ErrorController {
 
     private final ThemeService themeService;
 
-    private final OptionService optionService;
-
-    public CommonController(ThemeService themeService,
-                            OptionService optionService) {
+    public CommonController(ThemeService themeService) {
         this.themeService = themeService;
-        this.optionService = optionService;
     }
 
-
     /**
      * Handle error
      *
@@ -109,7 +104,7 @@ public class CommonController implements ErrorController {
      * @return String
      */
     @GetMapping(value = "/404")
-    public String contentNotFround() throws FileNotFoundException {
+    public String contentNotFround() {
         if (!themeService.isTemplateExist(NOT_FROUND_TEMPLATE)) {
             return "common/error/404";
         }

src/main/java/run/halo/app/event/post/PostVisitEventListener.java

 package run.halo.app.event.post;
 
-import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.event.EventListener;
 import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Component;
@@ -12,7 +11,6 @@ import run.halo.app.service.PostService;
  * @author johnniang
  * @date 19-4-22
  */
-@Slf4j
 @Component
 public class PostVisitEventListener extends AbstractVisitEventListener {
 

src/main/java/run/halo/app/event/post/SheetVisitEventListener.java

@@ -2,6 +2,7 @@ package run.halo.app.event.post;
 
 import org.springframework.context.event.EventListener;
 import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Component;
 import run.halo.app.service.SheetService;
 
 /**
@@ -10,6 +11,7 @@ import run.halo.app.service.SheetService;
  * @author johnniang
  * @date 19-4-24
  */
+@Component
 public class SheetVisitEventListener extends AbstractVisitEventListener {
 
     protected SheetVisitEventListener(SheetService sheetService) {

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

+package run.halo.app.service;
+
+/**
+ * Backup service interface.
+ *
+ * @author johnniang
+ * @date 19-4-26
+ */
+public interface BackupService {
+}

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

+package run.halo.app.service;
+
+/**
+ * Recovery service interface.
+ *
+ * @author johnniang
+ * @date 19-4-26
+ */
+public interface RecoveryService {
+
+}

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

+package run.halo.app.service.impl;
+
+import org.springframework.stereotype.Service;
+import run.halo.app.service.BackupService;
+
+/**
+ * Backup service implementation.
+ *
+ * @author johnniang
+ * @date 19-4-26
+ */
+@Service
+public class BackupServiceImpl implements BackupService {
+
+}

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

+package run.halo.app.service.impl;
+
+import org.springframework.stereotype.Service;
+import run.halo.app.service.RecoveryService;
+
+/**
+ * Recovery service implementation.
+ *
+ * @author johnniang
+ * @date 19-4-26
+ */
+@Service
+public class RecoveryServiceImpl implements RecoveryService {
+
+}