From 04d30cfe16e11140c8efb22afd61f2386c35cd87 Mon Sep 17 00:00:00 2001
From: cflip <36554078+cflip@users.noreply.github.com>
Date: Tue, 20 Jul 2021 17:25:03 -0600
Subject: Handle input validation in abstract Form class

---
 includes/form/CreateThreadForm.php | 45 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 includes/form/CreateThreadForm.php

(limited to 'includes/form/CreateThreadForm.php')

diff --git a/includes/form/CreateThreadForm.php b/includes/form/CreateThreadForm.php
new file mode 100644
index 0000000..3774f6a
--- /dev/null
+++ b/includes/form/CreateThreadForm.php
@@ -0,0 +1,45 @@
+<?php
+
+include_once './includes/form/Form.php';
+
+class CreateThreadForm extends Form
+{
+	public function validate_post_content($post_content): ?string
+	{
+		$result = null;
+
+		if (empty($post_content)) {
+			$this->report_error("Post content cannot be empty");
+		} else {
+			$result = filter_var($post_content, FILTER_SANITIZE_STRING);
+		}
+
+		return $result;
+	}
+
+	public function validate_thread_subject($thread_subject): ?string
+	{
+		$result = null;
+
+		if (empty($thread_subject)) {
+			$this->report_error("Thread subject cannot be empty");
+		} else {
+			$result = filter_var($thread_subject, FILTER_SANITIZE_STRING);
+		}
+
+		return $result;
+	}
+
+	public function validate_thread_category($thread_category): ?int
+	{
+		$result = null;
+
+		if (empty($thread_category)) {
+			$this->report_error("Invalid thread category");
+		} else {
+			$result = filter_var($thread_category, FILTER_SANITIZE_NUMBER_INT);
+		}
+
+		return $result;
+	}
+}
\ No newline at end of file
-- 
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