Create api of theme files.

src/main/java/cc/ryanc/halo/model/support/ThemeFile.java

@@ -0,0 +1,21 @@
+package cc.ryanc.halo.model.support;
+
+import lombok.Data;
+import lombok.ToString;
+
+import java.util.List;
+
+/**
+ * @author RYAN0UP
+ * @date 2019/04/02
+ */
+@Data
+@ToString
+public class ThemeFile {
+
+    private String name;
+
+    private Boolean isFile;
+
+    private List<ThemeFile> node;
+}

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

@@ -1,6 +1,7 @@
 package cc.ryanc.halo.service;
 
 import cc.ryanc.halo.model.support.Theme;
+import cc.ryanc.halo.model.support.ThemeFile;
 import cc.ryanc.halo.model.support.ThemeProperties;
 
 import java.io.File;
@@ -20,12 +21,20 @@ public interface ThemeService {
     List<Theme> getThemes();
 
     /**
-     * Gets theme templates
+     * Lists theme folder by absolute path.
+     *
+     * @param absolutePath absolutePath
+     * @return List<ThemeFile>
+     */
+    List<ThemeFile> listThemeFolder(String absolutePath);
+
+    /**
+     * Lists theme folder by theme name.
      *
      * @param theme theme
-     * @return List<String>
+     * @return List<ThemeFile>
      */
-    List<String> getTemplates(String theme);
+    List<ThemeFile> listThemeFolderBy(String theme);
 
     /**
      * Gets custom template, such as page_xxx.ftl, and xxx will be template name

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

@@ -2,6 +2,7 @@ package cc.ryanc.halo.service.impl;
 
 import cc.ryanc.halo.model.support.HaloConst;
 import cc.ryanc.halo.model.support.Theme;
+import cc.ryanc.halo.model.support.ThemeFile;
 import cc.ryanc.halo.model.support.ThemeProperties;
 import cc.ryanc.halo.service.ThemeService;
 import cc.ryanc.halo.web.controller.content.base.BaseContentController;
@@ -56,31 +57,29 @@ public class ThemeServiceImpl implements ThemeService {
     }
 
     /**
-     * Gets theme templates
+     * Lists theme folder by absolute path.
      *
-     * @param theme theme
+     * @param absolutePath absolutePath
-     * @return List<String>
+     * @return List<ThemeFile>
      */
     @Override
-    public List<String> getTemplates(String theme) {
+    public List<ThemeFile> listThemeFolder(String absolutePath) {
-        final List<String> templates = new ArrayList<>();
+        final List<ThemeFile> templates = new ArrayList<>();
         try {
-            final File themesPath = new File(getThemeBasePath(), theme);
+            File absolutePathFile = new File(absolutePath);
-            final File modulePath = new File(themesPath.getAbsolutePath(), "module");
+            File[] baseFiles = absolutePathFile.listFiles();
-            final File[] baseFiles = themesPath.listFiles();
-            final File[] moduleFiles = modulePath.listFiles();
-            if (null != moduleFiles) {
-                for (File file : moduleFiles) {
-                    if (file.isFile() && file.getName().endsWith(HaloConst.SUFFIX_FTL)) {
-                        templates.add("module/" + file.getName());
-                    }
-                }
-            }
             if (null != baseFiles) {
-                for (File file : baseFiles) {
+                for (File base : baseFiles) {
-                    if (file.isFile() && file.getName().endsWith(HaloConst.SUFFIX_FTL)) {
+                    ThemeFile file = new ThemeFile();
-                        templates.add(file.getName());
+                    if (base.isDirectory()) {
+                        file.setName(base.getAbsolutePath());
+                        file.setIsFile(false);
+                        file.setNode(listThemeFolder(base.getAbsolutePath()));
+                    } else {
+                        file.setName(base.getAbsolutePath());
+                        file.setIsFile(true);
                     }
+                    templates.add(file);
                 }
             }
         } catch (Exception e) {
@@ -89,6 +88,18 @@ public class ThemeServiceImpl implements ThemeService {
         return templates;
     }
 
+    /**
+     * Lists theme folder by theme name.
+     *
+     * @param theme theme
+     * @return List<ThemeFile>
+     */
+    @Override
+    public List<ThemeFile> listThemeFolderBy(String theme) {
+        File themePath = new File(getThemeBasePath(), theme);
+        return listThemeFolder(themePath.getAbsolutePath());
+    }
+
     /**
      * Gets custom template, such as page_xxx.ftl, and xxx will be template name
      *

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

@@ -4,6 +4,7 @@ import cc.ryanc.halo.model.enums.OptionSource;
 import cc.ryanc.halo.model.properties.PrimaryProperties;
 import cc.ryanc.halo.model.properties.PropertyEnum;
 import cc.ryanc.halo.model.support.Theme;
+import cc.ryanc.halo.model.support.ThemeFile;
 import cc.ryanc.halo.service.OptionService;
 import cc.ryanc.halo.service.ThemeService;
 import cc.ryanc.halo.web.controller.content.base.BaseContentController;
@@ -52,6 +53,16 @@ public class ThemeController {
         return themeService.getThemes();
     }
 
+    /**
+     * List all of theme files.
+     *
+     * @return List<ThemeFile>
+     */
+    @GetMapping(value = "/files")
+    public List<ThemeFile> listFiles() {
+        return themeService.listThemeFolderBy(BaseContentController.THEME);
+    }
+
     /**
      * Active theme
      *