From dd3405137f675cadfbe75d32f8d82355bfd7b9f3 Mon Sep 17 00:00:00 2001
From: 20xd6 <20xd6@airmail.cc>
Date: Tue, 26 Jul 2022 13:06:52 -0400
Subject: [PATCH] Update tags index to handle issue # 9

Now checks for the file and either copies a backup or creates a blank
file.
---
 blog/by_tag/index.php | 70 ++++++++++++++++++++++++++-----------------
 1 file changed, 42 insertions(+), 28 deletions(-)
 mode change 100644 => 100755 blog/by_tag/index.php

diff --git a/blog/by_tag/index.php b/blog/by_tag/index.php
old mode 100644
new mode 100755
index 8bf0009..5513f89
--- a/blog/by_tag/index.php
+++ b/blog/by_tag/index.php
@@ -32,37 +32,51 @@
     //}
     //echo "</ul>\n";
   //}
-  
-  # Tags rewrite
-  $tags_csv = array_map('str_getcsv', file('tags.csv'));
-  $tags_rows = sizeof($tags_csv);
-  $tags_coloums = sizeof($tags_csv[0]);
-  //echo "<pre>\n";
-  //print_r($tags_csv);
-  //echo $tags_coloums . "\n" . $tags_rows . "\n";
-  //echo "</pre>\n";
-  echo "<ul id=\"tag_menu\">\n";
-  $coloum_number = 0;
-  for ($row_number = 0; $row_number <= $tags_coloums; $row_number++){
-    //echo $row_number;
-    $section_title = $tags_csv[0][$coloum_number];
-    echo "\t<li id=\"" . $section_title . "\"><b>" . $section_title . " </b>\n";
-    for ($row = 1; $row < $tags_coloums; $row++){
-      //echo "rn: " . $row . "\ncn:" . $coloum_number ." ";
-      $tag_content = $tags_csv[$row][$coloum_number];
-      if ($tag_content == ""){
-        break;
-      } else {
-        if ($row % 2 != 0){
-          echo "\t\t<ol><a href=\"" . $tag_content . "\">";
-        } elseif ($row % 2 == 0){
-            echo $tag_content . "</a></ol>\n";
+  function read_tags($tags_file){
+    $tags_csv = array_map('str_getcsv', file('tags.csv'));
+    $tags_rows = sizeof($tags_csv);
+    $tags_coloums = sizeof($tags_csv[0]);
+    //echo "<pre>\n";
+    //print_r($tags_csv);
+    //echo $tags_coloums . "\n" . $tags_rows . "\n";
+    //echo "</pre>\n";
+    echo "<ul id=\"tag_menu\">\n";
+    $coloum_number = 0;
+    for ($row_number = 0; $row_number <= $tags_coloums; $row_number++){
+      //echo $row_number;
+      $section_title = $tags_csv[0][$coloum_number];
+      echo "\t<li id=\"" . $section_title . "\"><b>" . $section_title . " </b>\n";
+      for ($row = 1; $row < $tags_coloums; $row++){
+        //echo "rn: " . $row . "\ncn:" . $coloum_number ." ";
+        $tag_content = $tags_csv[$row][$coloum_number];
+        if ($tag_content == ""){
+          break;
+        } else {
+          if ($row % 2 != 0){
+            echo "\t\t<ol><a href=\"" . $tag_content . "\">";
+          } elseif ($row % 2 == 0){
+              echo $tag_content . "</a></ol>\n";
+          }
         }
       }
+      echo "\t</li>\n";
+      $coloum_number++;
     }
-    echo "\t</li>\n";
-    $coloum_number++;
+    echo "</ul>\n";
+  }
+  
+  
+  # Tags rewrite
+  if (file_exists('tags.csv')){
+    read_tags('tags.csv');
+  } elseif( file_exists('tags.csv.bak') ){
+    if (copy('tags.csv.bak', './tags.csv')) {
+      read_tags('tags.csv');
+    }
+  }else {
+    $empty_csv = fopen("tags.csv", "w") or die("Cannot write new tags.csv file.");
+    fwrite($empty_csv, "");
+    fclose($empty_csv);
   }
-  echo "</ul>\n";
   include_once ($_SERVER['DOCUMENT_ROOT'].'/common/php/footer.php');
 ?>