From 1c25310fa35fb7e5e3f2d00173ee469b91572d94 Mon Sep 17 00:00:00 2001
From: Ruan <ruany@users.noreply.github.com>
Date: Sat, 18 Jul 2015 17:51:43 +0200
Subject: [PATCH] Add pager

---
 bans.php              |  1 +
 includes/page.php     | 45 +++++++++++++++++++++++++++++++++++--------
 includes/settings.php |  3 +++
 mutes.php             |  1 +
 warnings.php          |  1 +
 5 files changed, 43 insertions(+), 8 deletions(-)

diff --git a/bans.php b/bans.php
index 8260d22..21b3c0f 100644
--- a/bans.php
+++ b/bans.php
@@ -37,6 +37,7 @@ $page = new Page();
                     </tr>
                 <?php } ?>
             </table>
+            <?php $page->print_pager("bans.php"); ?>
         </div>
     </div>
     <?php $page->print_footer(); ?>
diff --git a/includes/page.php b/includes/page.php
index 8618bf7..f97ca34 100644
--- a/includes/page.php
+++ b/includes/page.php
@@ -10,25 +10,41 @@ class Page {
         $this->settings = $settings;
         $this->uuid_name_cache = array();
         $this->time = microtime(true);
-    }
+        $this->page = 0;
 
-    function get_query($table) {
-        $active_query = $this->settings->active_query;
-        $limit = $this->settings->limit_per_page;
-        return "SELECT * FROM $table $active_query GROUP BY $table.id ORDER BY time DESC LIMIT $limit";
+        if (isset($_GET['page'])) {
+            $page = $_GET['page']; // user input
+            if (filter_var($page, FILTER_VALIDATE_INT)) {
+                $this->page = (int)$page;
+            }
+        }
     }
 
     function run_query($table) {
         try {
-            $result = $this->conn->query($this->get_query($table));
+            $active_query = $this->settings->active_query;
+            $limit = $this->settings->limit_per_page;
+
+            $offset = 0;
+            if ($this->settings->show_pager) {
+                $offset = ($limit * $this->page);
+            }
+            $query = "SELECT * FROM $table $active_query GROUP BY $table.id ORDER BY time DESC LIMIT :limit OFFSET :offset";
+            $st = $this->conn->prepare($query);
+
+            $st->bindParam(':offset', $offset, PDO::PARAM_INT);
+            $st->bindParam(':limit', $limit, PDO::PARAM_INT);
+
+            $st->execute();
+
+            return $st;
         } catch (PDOException $ex) {
             die($ex->getMessage());
         }
-        return $result;
     }
 
     function get_avatar($name) {
-        return "<img src='https://cravatar.eu/avatar/$name/25' style='margin-bottom:5px;margin-right:5px;border-radius:2px;' />$name";
+        return "<img src='https://cravatar.eu/avatar/$name/25' style='margin-bottom:5px;margin-right:5px;border-radius:2px;'/>$name";
     }
 
     function get_name($uuid) {
@@ -107,6 +123,19 @@ class Page {
          ');
     }
 
+    function print_pager($page) {
+        if (!$this->settings->show_pager) return;
+        $prev = $this->page - 1;
+        $next = $this->page + 1;
+
+        $pager_prev = "<div style=\"float:left;\">&lt;&lt;</div>";
+        if ($this->page > 0) {
+            $pager_prev = "<a href=\"$page?page=$prev\">$pager_prev</a>";
+        }
+        $pager_next = "<a href=\"$page?page=$next\"><div style=\"float: right;\">&gt;&gt;</div></a>";
+        echo "$pager_prev $pager_next";
+    }
+
     function print_footer() {
         include './includes/footer.php';
         $time = microtime(true) - $this->time;
diff --git a/includes/settings.php b/includes/settings.php
index c53c08e..317cfc2 100644
--- a/includes/settings.php
+++ b/includes/settings.php
@@ -18,6 +18,9 @@ final class Settings {
         // Show inactive bans? Removed bans will show (Unbanned), mutes will show (Unmuted), warnings will show (Expired).
         $this->show_inactive_bans = true;
 
+        // Show pager? This allows users to page through the list of bans.
+        $this->show_pager = true;
+
         // Amount of bans/mutes/warnings to show on each page
         $this->limit_per_page = 20;
 
diff --git a/mutes.php b/mutes.php
index d1f6d82..1439928 100644
--- a/mutes.php
+++ b/mutes.php
@@ -36,6 +36,7 @@ $page = new Page();
                     </tr>
                 <?php } ?>
             </table>
+            <?php $page->print_pager("mutes.php"); ?>
         </div>
     </div>
     <?php $page->print_footer(); ?>
diff --git a/warnings.php b/warnings.php
index 16b73f5..ab6560f 100644
--- a/warnings.php
+++ b/warnings.php
@@ -38,6 +38,7 @@ $page = new Page();
                     </tr>
                 <?php } ?>
             </table>
+            <?php $page->print_pager("warnings.php"); ?>
         </div>
     </div>
     <?php $page->print_footer(); ?>