1 files changed, 89 insertions, 0 deletions
diff --git a/vendor/ipl/web/src/FormElement/ScheduleElement/Recurrence.php b/vendor/ipl/web/src/FormElement/ScheduleElement/Recurrence.php
new file mode 100644
index 0000000..8693b20
--- /dev/null
+++ b/vendor/ipl/web/src/FormElement/ScheduleElement/Recurrence.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace ipl\Web\FormElement\ScheduleElement;
+
+use DateTime;
+use ipl\Html\Attributes;
+use ipl\Html\FormElement\BaseFormElement;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+use ipl\I18n\Translation;
+use ipl\Scheduler\Contract\Frequency;
+use ipl\Scheduler\RRule;
+
+class Recurrence extends BaseFormElement
+{
+    use Translation;
+
+    protected $tag = 'div';
+
+    protected $defaultAttributes = ['class' => 'schedule-recurrences'];
+
+    /** @var callable A callable that generates a frequency instance */
+    protected $frequencyCallback;
+
+    /** @var callable A validation callback for the schedule element */
+    protected $validateCallback;
+
+    /**
+     * Set a validation callback that will be called when assembling this element
+     *
+     * @param callable $callback
+     *
+     * @return $this
+     */
+    public function setValid(callable $callback): self
+    {
+        $this->validateCallback = $callback;
+
+        return $this;
+    }
+
+    /**
+     * Set a callback that generates an {@see Frequency} instance
+     *
+     * @param callable $callback
+     *
+     * @return $this
+     */
+    public function setFrequency(callable $callback): self
+    {
+        $this->frequencyCallback = $callback;
+
+        return $this;
+    }
+
+    protected function assemble()
+    {
+        list($isValid, $reason) = ($this->validateCallback)();
+        if (! $isValid) {
+            // Render why we can't generate the recurrences
+            $this->addHtml(Text::create($reason));
+
+            return;
+        }
+
+        /** @var RRule $frequency */
+        $frequency = ($this->frequencyCallback)();
+        $recurrences = $frequency->getNextRecurrences(new DateTime(), 3);
+        if (! $recurrences->valid()) {
+            // Such a situation can be caused by setting an invalid end time
+            $this->addHtml(HtmlElement::create('p', null, Text::create($this->translate('Never'))));
+
+            return;
+        }
+
+        foreach ($recurrences as $recurrence) {
+            $this->addHtml(HtmlElement::create('p', null, $recurrence->format($this->translate('D, Y/m/d, H:i:s'))));
+        }
+    }
+
+    protected function registerAttributeCallbacks(Attributes $attributes)
+    {
+        parent::registerAttributeCallbacks($attributes);
+
+        $attributes
+            ->registerAttributeCallback('frequency', null, [$this, 'setFrequency'])
+            ->registerAttributeCallback('validate', null, [$this, 'setValid']);
+    }
+}