File permissions change, check for non-zero tags.csv for issue #9

The tags index.php file now checks for the tags.csv to be non-zero as
well as existing.
Updated the permission of the generated tags.csv file to allow the CMS
to updated it with out requiring root/sudo permissions.

blog/by_tag/index.php

@@ -4,35 +4,11 @@
 
   echo "<article><h1 id=\"page_title\">Posts by Tag</h1></article>";
   echo "<div id=\"search_inputs\"><input type=\"text\" id=\"tag_sort\" onkeyup=\"tag_search()\" placeholder=\"Search Tags...\" title=\"Type a tage to search\"><input id=\"search_toggle\" type=\"button\" value=\"Search Titles\" onclick=\"search_toggle()\"></div><!--End Div Search Inputs-->";
-
-  //if(file_exists("tags.csv")){
-    //echo "<ul id=\"tag_menu\">\n";
-    //$csv = array_map('str_getcsv', file("tags.csv"));
-    //array_walk($csv, function(&$a) use ($csv) {
-      //$a = array_combine($csv[0], $a);
-    //});
-    //array_shift($csv); # remove column header
-    //foreach ($csv as $row){
-      //$counter = 0;
-      //foreach ($row as $item){
-        //$counter++;
-        //if ($counter == 1){
-          //echo "\t<li id=\"" . $item . "\">" . $item . " <a id=\"" . $item . "\"></a>\n";
-        //} elseif ($counter % 2 == 0) {
-          //if ($item == ""){
-            //break;
-          //} else {
-            //echo "\t\t<ol><a href=\"" . $item . "\">";
-          //}
-        //} elseif ($counter % 2 != 0) {
-          //echo $item . "</a></ol>\n";
-        //}
-      //}
-      //echo "\t</li>\n";
-    //}
-    //echo "</ul>\n";
-  //}
   function read_tags($tags_file){
+    if (filesize($tags_vile) == 0){
+      echo "<br/>\n<br/>";
+      return;
+    }
     $tags_csv = array_map('str_getcsv', file('tags.csv'));
     $tags_rows = sizeof($tags_csv);
     $tags_coloums = sizeof($tags_csv[0]);
@@ -77,6 +53,8 @@
     $empty_csv = fopen("tags.csv", "w") or die("Cannot write new tags.csv file.");
     fwrite($empty_csv, "");
     fclose($empty_csv);
+    chmod('./tags.csv', 0666);
+    read_tags('tags.csv');
   }
   include_once ($_SERVER['DOCUMENT_ROOT'].'/common/php/footer.php');
 ?>

common/php/page_menu.php

@@ -18,11 +18,12 @@ function remove_sorting_number($link_title){
 $dir = '.';
 // Check if the directory exists
 if (file_exists($dir) && is_dir($dir) ) {
-    // Get the files of the directory as an array
-    $scan_arr = scandir($dir);
-    $files_arr = array_diff($scan_arr, array('.','..','index.php','common','.htaccess') );
-    // echo "<pre>"; print_r( $files_arr ); echo "</pre>";
-    // Get each files of our directory with line break
+  // Get the files of the directory as an array
+  $scan_arr = scandir($dir);
+  $files_arr = array_diff($scan_arr, array('.','..','index.php','common','.htaccess') );
+  // echo "<pre>"; print_r( $files_arr ); echo "</pre>";
+  // Get each files of our directory with line break
+  if (sizeof($files_arr) != 0 ) {
     foreach ($files_arr as $file) {
       //Get the file path
       $file_path = "./".$file;
@@ -41,6 +42,7 @@ if (file_exists($dir) && is_dir($dir) ) {
       $link_title = remove_sorting_number($link_title);//Removes the number used to keep articles in post order from the displayed title.
       echo("<ul><li><a href='$file'> $link_title </a></li></ul>\n");//Output the result.
     }
+  }
 }
 else {
   echo "Directory does not exists";