diamond.security.backup.filebackup source code

1 /**
2 * Copyright © DiamondMVC 2019
3 * License: MIT (https://github.com/DiamondMVC/Diamond/blob/master/LICENSE)
4 * Author: Jacob Jensen (bausshf)
5 */
6 module diamond.security.backup.filebackup;
7 
8 import diamond.security.backup.backupservice;
9 import diamond.security.backup.backuppath;
10 
11 /// Wrapper around a file backup service.
12 final class FileBackupService : BackupService
13 {
14   public:
15   /**
16   * Creates a new file backup service.
17   * Params:
18   *   time = The time to wait between backing up.
19   */
20   this(size_t time)
21   {
22     super(time);
23   }
24 
25   protected:
26   /**
27   * Handler for performing a file backup.
28   * Params:
29   *   paths = The paths to backup.
30   */
31   override void onBackup(const(BackupPath[]) paths)
32   {
33     import std.file : dirEntries, SpanMode, exists, isFile, isDir, rmdirRecurse, copy;
34     import std.path : dirName;
35     import std.array : replace;
36 
37     foreach (path; paths)
38     {
39       if (path.source.isDir && path.destination.isDir)
40       {
41         if (!path.destination.exists)
42         {
43           rmdirRecurse(path.destination);
44         }
45 
46         foreach (string entryPath; dirEntries(path.source, SpanMode.depth))
47         {
48           auto subEntryPath = path.destination ~ "/" ~ entryPath.replace(path.source, "");
49 
50           if (subEntryPath.isDir && !subEntryPath.exists)
51           {
52             rmdirRecurse(subEntryPath);
53           }
54           else if (subEntryPath.isFile)
55           {
56             if (!subEntryPath.dirName.exists)
57             {
58               rmdirRecurse(subEntryPath.dirName);
59             }
60 
61             entryPath.copy(subEntryPath);
62           }
63         }
64       }
65       else if (path.source.isFile && path.destination.isFile)
66       {
67         if (!path.destination.dirName.exists)
68         {
69           rmdirRecurse(path.destination.dirName);
70         }
71 
72         path.source.copy(path.destination);
73       }
74     }
75   }
76 }