Better handling of dates when registering children

application/classes/Controller/User/Child.php

@@ -13,6 +13,8 @@ class Controller_User_Child extends Controller_Child {
 	protected $auth_required = TRUE;
 	protected $secure_actions = array(
 		'add'=>TRUE,
+		'ajaxage'=>FALSE,
+		'ajaxagemax'=>FALSE,
 		'edit'=>TRUE,
 	);
 
@@ -24,6 +26,18 @@ class Controller_User_Child extends Controller_Child {
 			->body($this->add_edit());
 	}
 
+	public function action_ajaxage() {
+		$x = ORM::factory('Child');
+		$x->dob = $this->request->query('date');
+		$this->template->content = $x->age();
+	}
+
+	public function action_ajaxagemax() {
+		$x = ORM::factory('Child');
+		$x->dob = $this->request->query('date');
+		$this->template->content = $x->date_enrol_max();
+	}
+
 	public function action_edit() {
 		Block::factory()
 			->type('form-horizontal')
@@ -60,10 +74,47 @@ class Controller_User_Child extends Controller_Child {
 			->type('stdin')
 			->data('
 	$(document).ready(function() {
+		'.($co->loaded() ? '
 		$("#date_stop").datepicker({
 			endDate: new Date('.($co->date_enrol_max()*1000).')
 		});
-        })
+		' : '').'
+
+		$("#dob").datepicker().on("hide",function(e) {
+			var x = $("#dob").datepicker("getDate").getTime()/1000;
+
+			// Send the request and update sub category dropdown
+			$.ajax({
+				type: "GET",
+				data: "date="+x,
+				dataType: "html",
+				cache: false,
+				url: "'.URL::link('user','child/ajaxage',TRUE).'",
+				timeout: 2000,
+				error: function(x) {
+					alert("Failed to submit");
+				},
+				success: function(data) {
+					$("div[id=age]").empty().append(data);
+				}
+			});
+
+			$.ajax({
+				type: "GET",
+				data: "date="+x,
+				dataType: "html",
+				cache: false,
+				url: "'.URL::link('user','child/ajaxagemax',TRUE).'",
+				timeout: 2000,
+				error: function(x) {
+					alert("Failed to submit");
+				},
+				success: function(data) {
+					$("#date_stop").datepicker("setEndDate",new Date(data*1000));
+				}
+			});
+		});
+	});
 			');
 
 		return View::factory('child/user/add_edit')

application/classes/Model/Child.php

@@ -21,7 +21,7 @@ class Model_Child extends ORM {
 
 	public function filters() {
 		return Arr::merge(parent::filters(),array(
-			'dob'=>array(array('strtotime', array(':value'))),
+			'dob'=>array(array(array($this,'date'), array(':value'))),
 		));
 	}
 
@@ -53,6 +53,10 @@ class Model_Child extends ORM {
 		return $format == '%w' ? sprintf('%02dw',$dob->diff($today)->days/7) : $dob->diff($today)->format($format);
 	}
 
+	public function date($value) {
+		return is_numeric($value) ? $value : strtotime($value); 
+	}
+
 	public function date_enrol_min() {
 		$dob = $this->_dob();
 		$dob->add(new DateInterval('P'.$this->_start));

application/views/child/user/add_edit.php

@@ -22,7 +22,7 @@
 			</div>
 		</div>
 		<div class="col-md-3">
-			Age: <strong><?php echo $o->age(); ?></strong><br/>
+			Age: <strong><div id="age" style="display: inline;"><?php echo $o->dob ? $o->age() : ''; ?></div></strong><br/>
 		</div>
 	</div>
 
@@ -60,7 +60,7 @@
 					</td>
 					<td>
 						<div class="input-group date" id="date_stop" data-date-format="dd-mm-yyyy" data-provide="datepicker" data-date-start-view="year" data-date-autoclose="true" data-date-today-highlight="true" data-date-start-date="0d">
-							<?php echo Form::input('room[date_stop]',$rco->date_stop ? $rco->display('date_stop') : $o->date_enrol_max(TRUE),array('class'=>'form-control','placeholder'=>'End','required','nocg'=>TRUE,'readonly')); ?>
+							<?php echo Form::input('room[date_stop]',$rco->date_stop ? $rco->display('date_stop') : '',array('class'=>'form-control','placeholder'=>'End','required','nocg'=>TRUE,'readonly')); ?>
 							<span class="input-group-addon"><i class="fa fa-calendar"></i></span>
 						</div>
 					</td>