Add pagination to housekeeping ban overview page

Havana-Server/src/main/java/org/alexdev/havana/dao/mysql/BanDao.java

@@ -115,16 +115,23 @@ public class BanDao {
         }
     }
 
-    public static List<Ban> getActiveBans() {
+    public static List<Ban> getActiveBans(int page, String sortBy) {
         List<Ban> banList = new ArrayList<>();
 
+        int rows = 1;
+        int nextOffset = page * rows;
+
+        if (nextOffset >= 0) {
             Connection sqlConnection = null;
             PreparedStatement preparedStatement = null;
             ResultSet resultSet = null;
 
             try {
                 sqlConnection = Storage.getStorage().getConnection();
-            preparedStatement = Storage.getStorage().prepare("SELECT * FROM users_bans WHERE is_active = 1 ORDER BY banned_at DESC", sqlConnection);
+                preparedStatement = Storage.getStorage().prepare("SELECT * FROM users_bans WHERE is_active = 1 ORDER BY " + sortBy + " DESC LIMIT ? OFFSET ?", sqlConnection);
+                preparedStatement.setInt(1, rows);
+                preparedStatement.setInt(2, nextOffset);
+
                 resultSet = preparedStatement.executeQuery();
 
                 while (resultSet.next()) {
@@ -138,6 +145,7 @@ public class BanDao {
                 Storage.closeSilently(preparedStatement);
                 Storage.closeSilently(resultSet);
             }
+        }
 
         return banList;
     }

Havana-Web/src/main/java/org/alexdev/http/controllers/housekeeping/HousekeepingBansController.java

@@ -15,6 +15,21 @@ public class HousekeepingBansController {
             return;
         }
 
+        int currentPage = 0;
+
+        if (client.get().contains("page")) {
+            currentPage = Integer.parseInt(client.get().getString("page"));
+        }
+
+        String sortBy = "banned_at";
+
+        if (client.get().contains("sort")) {
+            if (client.get().getString("sort").equals("banned_at") ||
+                    client.get().getString("sort").equals("banned_until")) {
+                sortBy = client.get().getString("sort");
+            }
+        }
+
         Template tpl = client.template("housekeeping/users_bans");
         tpl.set("housekeepingManager", HousekeepingManager.getInstance());
 
@@ -25,7 +40,12 @@ public class HousekeepingBansController {
             return;
         }
 
-        tpl.set("bans", BanDao.getActiveBans());
+        tpl.set("pageName", "Bans");
+        tpl.set("bans", BanDao.getActiveBans(currentPage, sortBy));
+        tpl.set("nextBans", BanDao.getActiveBans(currentPage + 1, sortBy));
+        tpl.set("previousBans", BanDao.getActiveBans(currentPage - 1, sortBy));
+        tpl.set("page", currentPage);
+        tpl.set("sortBy", sortBy);
         tpl.render();
 
         // Delete alert after it's been rendered

tools/www-tpl/default-en/housekeeping/users_bans.tpl

@@ -5,6 +5,14 @@
      <h1 class="mt-4">View and manage bans</h1>
 		{% include "housekeeping/base/alert.tpl" %}
 		<p>Manage all currently active bans on the hotel</p>
+			{% if nextBans|length > 0 %}
+				{% set ourNextPage = page + 1 %}
+				<a href="{{ site.sitePath }}/{{ site.housekeepingPath }}/bans?page={{ ourNextPage }}&sort={{ sortBy }}"><button type="button" class="btn btn-info">Next Page</button></a>
+			{% endif %}
+			{% if previousBans|length > 0 %}
+				{% set ourNextPage = page - 1 %}
+				<a href="{{ site.sitePath }}/{{ site.housekeepingPath }}/bans?page={{ ourNextPage }}&sort={{ sortBy }}"><button type="button" class="btn btn-warning">Go back</button></a>
+			{% endif %}
 		  <div class="table-responsive">
 		    <form method="post">
             <table class="table table-striped">