Validation rules: min/max/between: Use string length to compare strings

4 files changed, 74 insertions, 0 deletions

diff --git a/src/Http/Validation/Rules/Between.php b/src/Http/Validation/Rules/Between.php
new file mode 100644
index 00000000..106a93ac
--- /dev/null
+++ b/src/Http/Validation/Rules/Between.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Engelsystem\Http\Validation\Rules;
+
+use Respect\Validation\Rules\Between as RespectBetween;
+
+class Between extends RespectBetween
+{
+    use StringInputLength;
+}
diff --git a/src/Http/Validation/Rules/Max.php b/src/Http/Validation/Rules/Max.php
new file mode 100644
index 00000000..b1b2cfa3
--- /dev/null
+++ b/src/Http/Validation/Rules/Max.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Engelsystem\Http\Validation\Rules;
+
+use Respect\Validation\Rules\Max as RespectMax;
+
+class Max extends RespectMax
+{
+    use StringInputLength;
+}
diff --git a/src/Http/Validation/Rules/Min.php b/src/Http/Validation/Rules/Min.php
new file mode 100644
index 00000000..ab8d4e1a
--- /dev/null
+++ b/src/Http/Validation/Rules/Min.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Engelsystem\Http\Validation\Rules;
+
+use Respect\Validation\Rules\Min as RespectMin;
+
+class Min extends RespectMin
+{
+    use StringInputLength;
+}
diff --git a/src/Http/Validation/Rules/StringInputLength.php b/src/Http/Validation/Rules/StringInputLength.php
new file mode 100644
index 00000000..7b5c248b
--- /dev/null
+++ b/src/Http/Validation/Rules/StringInputLength.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Engelsystem\Http\Validation\Rules;
+
+use DateTime;
+use Illuminate\Support\Str;
+use Throwable;
+
+trait StringInputLength
+{
+    /**
+     * Use the input length of a string
+     *
+     * @param mixed $input
+     * @return bool
+     */
+    public function validate($input): bool
+    {
+        if (
+            is_string($input)
+            && !is_numeric($input)
+            && !$this->isDateTime($input)
+        ) {
+            $input = Str::length($input);
+        }
+
+        return parent::validate($input);
+    }
+
+    /**
+     * @param mixed $input
+     * @return bool
+     */
+    protected function isDateTime($input): bool
+    {
+        try {
+            new DateTime($input);
+        } catch (Throwable $e) {
+            return false;
+        }
+
+        return true;
+    }
+}