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1 files changed, 59 insertions, 0 deletions

diff --git a/src/DTS/Validator.php b/src/DTS/Validator.php
new file mode 100644
index 0000000..2f9c255
--- /dev/null
+++ b/src/DTS/Validator.php
@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DTS;
+
+use DTS\Errors;
+use DTS\Validated;
+
+class Validator
+{
+    public Errors $errors;
+
+    public Validated $validated;
+
+    function __construct(array $request) 
+    {
+        $this->errors = new Errors();
+
+        $this->validated = new Validated();
+
+        $this->validateTask($request['task'], 2, 256);
+
+        $this->validateTag($request['tag'], 2, 16);
+    }
+
+    private function validateTask(string $task, int $minLength, int $maxLength): void
+    {
+        $task = trim($task);
+
+        if (strlen($task) < $minLength  || strlen($task) > $maxLength) {
+            $this->errors->add('task', "Must be between $minLength and $maxLength in characters in length");
+        }
+
+        if (!$this->errors->has('tite')) {
+            $this->validated->task = $task;
+        }
+    }
+
+    private function validateTag(string $tag, int $minLength, int $maxLength): void
+    {
+        $tag = trim($tag);
+
+        if ($tag === '') {
+            return;
+        }
+
+        if (strlen($tag) < $minLength  || strlen($tag) > $maxLength) {
+            $this->errors->add('tag', "Must be between $minLength and $maxLength in characters in length");
+        }
+        if (preg_match('/\W/', $tag) === 1) {
+            $this->errors->add('tag', 'May only contain word characters');
+        }
+
+        if (!$this->errors->has('tag')) {
+            $this->validated->tag = strtolower($tag);
+        }
+    }
+}