add MoveHelper for moving winix files - copied from Mv function

winixd/utils/movehelper.h

@@ -0,0 +1,129 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2022, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_winixd_utils_movehelper
+#define headerfile_winix_winixd_utils_movehelper
+
+#include "core/winixmodeldeprecated.h"
+#include "core/system.h"
+#include "functions/functions.h"
+
+
+
+namespace Winix
+{
+
+
+class MoveHelper : public WinixModelDeprecated
+{
+public:
+
+	MoveHelper(System * system, Functions * functions);
+
+	// moving a directory
+	// new_url can be empty (in such a case the old one is preserved)
+	// src_dir will be accordingly updated
+	bool MoveDir(Item & src_dir, long dst_dir_id, const std::wstring & new_url, bool check_access = true);
+	bool MoveDir(Item & src_dir, const std::wstring & dst_path, bool check_access = true);
+
+	// moving only the content of src_dir
+	// dst_path should point to an existing directory
+	// src_dir will be accordingly updated
+	void MoveDirContent(Item & src_dir, long dst_dir_id, bool check_access = true);
+	void MoveDirContent(Item & src_dir, const std::wstring & dst_dir, bool check_access = true);
+
+	// moving a file
+	// new_url can be empty (the old one is used then)
+	// src_file will be accordingly updated
+	bool MoveFileOrSymlink(Item & src_file, long dst_dir_id, const std::wstring & new_url, bool check_access = true);
+	bool MoveFileOrSymlink(Item & src_file, const std::wstring & dst_path, bool check_access = true);
+
+
+private:
+
+	System * system;
+	Functions * functions;
+
+	// directories parsed by ParseDir()
+	std::vector<Item*> out_dir_tab;		// destination directories
+	Item out_item;						// destination file/symlink (if out_has_file is true)
+	bool out_has_file;					// if true then out_item is set
+	std::wstring out_filename;			// the last part in an input path (not an existing directory, file or symlink)
+										// can be empty
+
+	// temporaries
+	std::wstring out_path;
+	std::wstring old_url;
+
+	std::wstring old_static_path;
+	std::wstring old_static_thumb_path;
+	std::wstring new_static_path;
+	std::wstring new_static_thumb_path;
+
+	// for files/symlinks in a directory
+	std::vector<Item> files_item_tab;
+	//DbItemQuery files_iq;
+
+	// for moving content of a directory (all dirs/files/symlinks)
+	//DbItemQuery content_dir_iq;
+	std::vector<Item> item_tab;
+
+
+	bool CanRemoveRenameChild(const Item & child);
+	bool ParseDirCheckLastName();
+	bool ParseDir(const std::wstring & dst_path, bool check_access);
+	bool MoveStaticFile(const std::wstring & from, const std::wstring & to);
+	void MoveStaticFile(Item & item);
+	void MoveFilesPrepareTreeGo(const Item & src_dir);
+	void MoveFilesPrepareTree(const Item & src_dir);
+	void MoveFilesTree(const Item & dir);
+	bool MoveDir(Item & src_dir, std::vector<Item*> & dst_dir_tab, const std::wstring & dst_name);
+	bool MoveFileOrSymlink(Item & src_file, std::vector<Item*> & dst_dir_tab, const std::wstring & new_url);
+	void Clear();
+	bool MoveDir2(Item & src_dir, long dst_dir_id, const std::wstring & new_url, bool check_access);
+	bool MoveDir2(Item & src_dir, const std::wstring & dst_path, bool check_access);
+	bool MoveFileOrSymlink2(Item & src_file, long dst_dir_id, const std::wstring & new_url, bool check_access);
+	bool MoveFileOrSymlink2(Item & src_file, const std::wstring & dst_path, bool check_access);
+	void MoveDirContent2(Item & src_dir, long dst_dir_id, bool check_access);
+	void MoveAllFilesFromDir(Item & src_dir, std::vector<Item*> & dst_dir_tab, bool check_access);
+	void MoveDirContent2(Item & src_dir, const std::wstring & dst_dir, bool check_access);
+
+
+};
+
+
+
+} // namespace Winix
+
+#endif