Fix undefined index errors in statistics tables

Initialize bandcalls and modecalls arrays with default zero values in Stats.php to prevent undefined index errors. Update qsotable.php and uniquetable.php views to display 0 when mode or band totals are not set.

application/models/Stats.php

@@ -88,10 +88,20 @@
 			}
 		}
 
+		// Initialize bandcalls array with all bands set to 0
+		foreach ($bands as $band) {
+			$bandcalls[$band] = 0;
+		}
+
 		foreach ($bandunique as $band) {
 			$bandcalls[$band->band] = $band->calls;
 		}
 
+		// Initialize modecalls array with all modes set to 0
+		foreach ($modes as $mode) {
+			$modecalls[$mode] = 0;
+		}
+
 		foreach ($modeunique as $mode) {
 			//if ($mode->col_submode == null) {
 			if ($mode->col_submode == null || $mode->col_submode == "") {

application/views/statistics/qsotable.php

@@ -17,7 +17,7 @@ if ($qsoarray) {
         foreach ($value as $key => $val) {
             echo '<td>' . $val . '</td>';
         }
-        echo '<th>' . $modetotal[$mode] . '</th>';
+        echo '<th>' . (isset($modetotal[$mode]) ? $modetotal[$mode] : 0) . '</th>';
         echo '</tr>';
     }
     echo '</tbody><tfoot><tr><th>'.lang('statistics_total').'</th>';

application/views/statistics/uniquetable.php

@@ -17,13 +17,13 @@ if ($qsoarray) {
         foreach ($value as $key => $val) {
             echo '<td>' . $val . '</td>';
         }
-        echo '<th>' . $modeunique[$mode] . '</th>';
+        echo '<th>' . (isset($modeunique[$mode]) ? $modeunique[$mode] : 0) . '</th>';
         echo '</tr>';
     }
     echo '</tbody><tfoot><tr><th>'.lang('statistics_total').'</th>';
 
     foreach($bands as $band) {
-        echo '<th>' . $bandunique[$band] . '</th>';
+        echo '<th>' . (isset($bandunique[$band]) ? $bandunique[$band] : 0) . '</th>';
     }
     echo '<th>' . $total->calls . '</th>';
     echo '</tr></tfoot></table>';