Add pagination

1 files changed, 51 insertions, 2 deletions

diff --git a/search.php b/search.php
index f2acce8..bcfb2e9 100644
--- a/search.php
+++ b/search.php
@@ -24,13 +24,43 @@ try {
     }
 
     $args = explode(" ", $search);
+    $page = 1;
 
+    // Check to see if user specified pagination
+    $pages = array_filter($args, function($elem) {
+        if (strpos($elem, "#") === 0) {
+            return true;
+        }
+        return false;
+    });
+    // reset the indexes after the array filter
+    $pages = array_merge($pages);
+
+    if (count($pages) > 1) {
+        throw new Exception("Too many page choices. Enter only one `#<page>`");
+    }
+
+    if (!empty($pages)) {
+        // Set the page
+        $page = substr($pages[0], 1);
+    }
+    if (!is_int((int)$page) || $page <= 0) {
+        throw new Exception("Page `" . $page . "` is not valid");
+    }
+
+ 
+    // remove the pagination from the search args
+    $pos = array_search("#" . $page, $args);
+    if ($pos) {
+        $args[$pos] = null;
+    }
+    
     // Really slow search
     $results = [];
     foreach ($output as $upload) {
         $match = false;
         foreach ($args as $arg) { 
-            if (strpos($upload->filename, $arg) === false) {
+            if (!is_null($arg) && strpos($upload->filename, $arg) === false) {
                 $match = false;
                 break;
             }
@@ -42,14 +72,33 @@ try {
     }
 
     // Return results
+    $out = "";
     if (empty($results)) {
         echo "No results found\n";
     } else {
+        $count = count($results);
+        $i = 0;
+
+        $start = ($page-1)*3;
+        $end = $start+2;
+        if ($start > ($count-1)) {
+            throw new Exception("No results for this page");
+        }
         foreach($results as $result) {
-            echo $result . "\n";
+            if ($i < $start || $i > $end) {
+                $i++;
+                continue;
+            }
+            $out .= $result . "\n";
+            $i++;
+        }
+        if ($count > 3) {
+            $out .= " - results (" . $count . ")\n";
         }
     }
 
+    echo $out;
+
 } catch (Exception $e) {
     echo $e->getMessage() . "\n";die();
 }