edit.php (1957B)
1 <?php
2
3 function edit_note(
4 string $user,
5 string $category,
6 string $filename,
7 string $filepath_t1,
8 string $content
9 ) {
10
11 /* construct new filepath */
12 $filepath_t0 = $category . "/" . $filename;
13
14 /* if old and new filepaths differ, the file was likely renamed.
15 * delete the old one and return immediately */
16 if ($filepath_t1 != $filepath_t0 && !empty($filepath_t1)) {
17 $renamed = rename(
18 $GLOBALS["data_dir"] . "/" . $user . "/" . $filepath_t1,
19 $GLOBALS["data_dir"] . "/" . $user . "/" . $filepath_t0
20 );
21 /* if renaming failed, return "false" and exit immediately */
22 if ($renamed === false) {
23 return false;
24 }
25 /* cleanup directories and removed empty categories */
26 remove_empty_categories($user, basename(dirname($filepath_t1, 1)));
27 }
28
29 /* if no old file path exists, this is most likely a new note. Existing
30 * notes should never be overwritten! Their names have to be unique. */
31 $filepath_t0 = $GLOBALS["data_dir"] . "/" . $user . "/" . $filepath_t0;
32 if (empty($filepath_t1) && file_exists($filepath_t0)) {
33 /* find new unique filename by adding a counter in front */
34 $file_counter = 0;
35 while (file_exists($filepath_t0)) {
36 $file_counter++;
37 $filepath_t0 = $GLOBALS["data_dir"] . "/" . $user . "/" .$category .
38 "/" . $file_counter . "_" . $filename;
39 }
40 /* update filename, once we found a unique one */
41 $filename = $file_counter . "_" . $filename;
42 }
43
44 /* Update content of note if necessary^ */
45 $written = write_note(
46 $user,
47 $category,
48 $filename,
49 $content
50 );
51
52 /* if writing failed, return "false" and exit immediately */
53 if ($written === false) {
54 return false;
55 }
56
57 /* if all went fine, return the new filename */
58 return $filename;
59
60 } // function
61
62 ?>
63
