first commit

backend/app/workspace/__init__.py

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+from .manager import WorkspaceManager
+from .file_manager import FileManager
+
+
+__all__ = ["WorkspaceManager", "FileManager"]

backend/app/workspace/file_manager.py

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+import os
+
+
+class FileManager:
+    def __init__(self, workspace_id, base_dir="workspaces"):
+        self.workspace_id = workspace_id
+        self.base_dir = base_dir
+        self.workspace_path = os.path.join(base_dir, str(workspace_id))
+        self._ensure_workspace_dir()
+
+    def _ensure_workspace_dir(self):
+        if not os.path.exists(self.workspace_path):
+            os.makedirs(self.workspace_path)
+
+    def save_file(self, filename, content):
+        file_path = os.path.join(self.workspace_path, filename)
+        os.makedirs(os.path.dirname(file_path), exist_ok=True)
+        with open(file_path, "w", encoding="utf-8") as f:
+            f.write(content)
+
+    def read_file(self, filename):
+        file_path = os.path.join(self.workspace_path, filename)
+        if not os.path.exists(file_path):
+            raise FileNotFoundError(f"文件 {filename} 不存在")
+        with open(file_path, "r", encoding="utf-8") as f:
+            return f.read()
+
+    def delete_file(self, filename):
+        file_path = os.path.join(self.workspace_path, filename)
+        if os.path.exists(file_path):
+            os.remove(file_path)
+
+    def list_files(self, directory=""):
+        dir_path = (
+            os.path.join(self.workspace_path, directory)
+            if directory
+            else self.workspace_path
+        )
+        if not os.path.exists(dir_path):
+            return []
+        files = []
+        for item in os.listdir(dir_path):
+            item_path = os.path.join(dir_path, item)
+            if os.path.isfile(item_path):
+                files.append(item)
+            elif os.path.isdir(item_path):
+                files.extend(
+                    [
+                        os.path.join(directory, f)
+                        for f in self.list_files(os.path.join(directory, item))
+                    ]
+                )
+        return files

backend/app/workspace/manager.py

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+class WorkspaceManager:
+    def __init__(self, workspace_id):
+        self.workspace_id = workspace_id
+
+    def create_file(self, filename, content):
+        pass
+
+    def read_file(self, filename):
+        pass
+
+    def update_file(self, filename, content):
+        pass
+
+    def delete_file(self, filename):
+        pass
+
+    def list_files(self):
+        pass