perbaikan validasi upload file, gambar, dan validasi show gambar dan file pada kirim surat

app/kirim/tabel_pic.php

@@ -17,7 +17,10 @@ $surat_id = $_POST['surat_id'];
 <div class="row port">
   <div class="portfolioContainer">
     <?php
-    $dok = pg_query($koneksi, "SELECT * FROM scan WHERE surat_id='$surat_id' AND LOWER(file) LIKE '%.jpg' ORDER BY id DESC");
+    $dok = pg_query($koneksi, "SELECT * FROM scan 
+                WHERE surat_id = '$surat_id' 
+                AND LOWER(file) NOT IN ('%.jpg', '%.jpeg', '%.png')
+                ORDER BY id DESC");
     while ($rdok = pg_fetch_array($dok)) {
       $foto = $rdok['file'];
     ?>
@@ -45,8 +48,7 @@ $surat_id = $_POST['surat_id'];
       $.ajax({
         type: "POST",
         url: "app/kirim/delete.php",
-        data: 'id=' + id +
-          '&key=' + key,
+        data: {id:id,key:key},
         success: function(data) {
           var surat_id = $('#riwayat_keluhan_ida').val();
           $('#tabel_pic').load("app/kirim/tabel_pic.php", {
@@ -56,8 +58,7 @@ $surat_id = $_POST['surat_id'];
           $.ajax({
             type: "POST",
             url: "app/kirim/crud.php",
-            data: 'surat_id=' + surat_id +
-              '&key=' + key,
+            data: {surat_id:surat_id,key:key},
             success: function(data) {
               $('.sq' + surat_id).html(' (' + data + ')');
               $('.xq' + surat_id).html(data);