Basic implementation for notes app

files-api/src/main/java/de/nbscloud/files/api/FilesService.java

@@ -4,6 +4,7 @@ import de.nbscloud.webcontainer.registry.App;
 
 import java.nio.file.Path;
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
@@ -12,22 +13,80 @@ public interface FilesService {
                                           LocalDateTime lastModified) {
     }
 
-    public void createAppDirectory(App app);
+    class ContentTree {
+        private String name;
+        private boolean directory;
+        private String path;
+        private List<ContentTree> subTree = new ArrayList<>();
+        private ContentTree parent;
 
-    public void createDirectory(App app, Path path);
+        public String getName() {
+            return name;
+        }
 
-    public void createFile(App app, Path path, byte[] content);
+        public void setName(String name) {
+            this.name = name;
+        }
 
-    public void delete(App app, Path path);
+        public boolean isDirectory() {
+            return directory;
+        }
 
-    public void get(App app, Path path);
+        public void setDirectory(boolean directory) {
+            this.directory = directory;
+        }
+
+        public String getPath() {
+            return path;
+        }
+
+        public void setPath(String path) {
+            this.path = path;
+        }
+
+        public List<ContentTree> getSubTree() {
+            return subTree;
+        }
+
+        public void setSubTree(List<ContentTree> subTree) {
+            this.subTree = subTree;
+        }
+
+        public boolean getHasSubTree() {
+            return !this.subTree.isEmpty();
+        }
+
+        public ContentTree getParent() {
+            return parent;
+        }
+
+        public void setParent(ContentTree parent) {
+            this.parent = parent;
+        }
+    }
+
+    void createAppDirectory(App app);
+
+    void createDirectory(App app, Path path);
+
+    void createFile(App app, Path path, byte[] content);
+
+    void overwriteFile(App app, Path path, byte[] content);
+
+    void delete(App app, Path path);
+
+    byte[] get(App app, Path path);
 
     /**
-     * Paths in return list are always relative to the appDir.
+     * Paths in return list are always relative to the appDir. Non-recursive list.
      *
      * @param app to list the files for
      * @param path in case of {@link Optional#EMPTY} the appDir is used as start dir. If not empty, path has to be relative
      * to the appDir
      */
-    public List<ContentContainer> list(App app, Optional<Path> path);
+    List<ContentContainer> list(App app, Optional<Path> path);
+
+    ContentTree getTree(App app, Optional<Path> path);
+
+    List<String> collectDirs(App app, Optional<Path> path);
 }