From d8ef370be4eb7ce2cd7860fc5a7384815721a176 Mon Sep 17 00:00:00 2001
From: barthc <mackintosh02@gmail.com>
Date: Sat, 7 Sep 2024 16:57:46 +0100
Subject: [PATCH] `gpld-conditional-limits.php`: Added a new snippet to enable
 conditional date limits.

---
 gp-limit-dates/gpld-conditional-limits.php | 199 +++++++++++++++++++++
 1 file changed, 199 insertions(+)
 create mode 100644 gp-limit-dates/gpld-conditional-limits.php

diff --git a/gp-limit-dates/gpld-conditional-limits.php b/gp-limit-dates/gpld-conditional-limits.php
new file mode 100644
index 00000000..37dc1397
--- /dev/null
+++ b/gp-limit-dates/gpld-conditional-limits.php
@@ -0,0 +1,199 @@
+<?php
+/**
+ * Gravity Wiz // Gravity Perks // GP Limit Dates // Conditional Limits
+ * https://gravitywiz.com/documentation/gravity-forms-limit-dates/
+ *
+ * Provide conditional date options for your date fields.
+ *
+ */
+class GPLD_Conditional_Limits {
+
+	protected static $is_script_output = false;
+
+	public function __construct( $args = array() ) {
+		// set our default arguments, parse against the provided arguments, and store for use throughout the class
+		$this->_args = wp_parse_args( $args, array(
+			'form_id'  => false,
+			'field_id' => false,
+		) );
+
+		add_action( 'init', array( $this, 'init' ) );
+	}
+
+	public function init() {
+		add_filter( 'gform_pre_render', array( $this, 'load_form_script' ), 10, 2 );
+		add_filter( 'gform_register_init_scripts', array( $this, 'add_init_script' ), 10, 2 );
+		add_action( 'gform_field_validation', array( $this, 'validate' ), 11, 4 );
+	}
+
+	public function load_form_script( $form, $is_ajax_enabled ) {
+		if ( $this->is_applicable_form( $form ) && ! self::$is_script_output && ! $this->is_ajax_submission( $form['id'], $is_ajax_enabled ) ) {
+			$this->output_script();
+		}
+
+		return $form;
+	}
+
+	public function is_ajax_submission( $form_id, $is_ajax_enabled ) {
+		return isset( GFFormDisplay::$submission[ $form_id ] ) && $is_ajax_enabled;
+	}
+
+	public function output_script() {
+		?>
+
+		<script type="text/javascript">
+
+			( function( $ ) {
+
+				window.GPLDConditionalLimits = function( args ) {
+
+					var self = this;
+
+					// copy all args to current object: (list expected props)
+					for( prop in args ) {
+						if( args.hasOwnProperty( prop ) )
+							self[prop] = args[prop];
+					}
+
+					self.init = function() {
+
+						gform.addAction( 'gform_input_change', function( elem, formId, fieldId ) {
+	
+							if ( !window.GPLimitDates ) {
+								return;
+							};
+
+							for( var i = 0; i < self.conditionals.length; i++ ) {
+								if( gf_get_field_action( self.formId, self.conditionals[ i ].conditionalLogic ) == 'show' ) {
+									var $input = $( '#input_' + self.formId + '_' + self.fieldId );
+									$input.datepicker( 'destroy' );
+
+									gform.addFilter( 'gpld_datepicker_data', function( data ) {
+										return {
+										   ...data,  [args.fieldId]: self.conditionals[ i ].options
+										}
+									});
+
+									window.gformInitSingleDatepicker($input);
+
+									break;
+								}
+							}
+						} );
+					};
+
+					self.init();
+				}
+
+			} )( jQuery );
+
+		</script>
+
+		<?php
+
+		self::$is_script_output = true;
+	}
+
+	public function add_init_script( $form ) {
+		if ( ! $this->is_applicable_form( $form ) ) {
+			return;
+		}
+
+		$args = array(
+			'formId'       => $this->_args['form_id'],
+			'fieldId'      => $this->_args['field_id'],
+			'conditionals' => $this->_args['conditionals'],
+		);
+
+		$script = 'new GPLDConditionalLimits( ' . json_encode( $args ) . ' );';
+		$slug   = implode( '_', array( __class__, $this->_args['form_id'], $this->_args['field_id'] ) );
+
+		GFFormDisplay::add_init_script( $this->_args['form_id'], $slug, GFFormDisplay::ON_PAGE_RENDER, $script );
+	}
+
+	public function is_applicable_form( $form ) {
+		$form_id = isset( $form['id'] ) ? $form['id'] : $form;
+
+		return empty( $this->_args['form_id'] ) || $form_id == $this->_args['form_id'];
+	}
+
+	public function is_applicable_field( $field ) {
+		$field_id = isset( $field['id'] ) ? $field['id'] : $field;
+
+		return $field['type'] == 'date'  && $field_id == $this->_args['field_id'];
+	}
+
+	public function validate( $result, $value, $form, $field ) {
+		if ( ! is_applicable_field( $field ) ) {
+			return $result;
+		}
+
+		foreach ( $this->_args['conditionals'] as $conditional ) {
+			if ( GFCommon::evaluate_conditional_logic( $conditional['conditionalLogic'], $form, GFFormsModel::get_current_lead() ) ) {
+				add_filter( "gpld_limit_dates_options_{$this->_args['field_id']}_{$this->_args['field_id']}", function( $field_options ) {
+					return $conditional['options'];
+				} );
+
+				break;
+			}
+		}
+
+		if ( ! rgblank( $value ) && ! gp_limit_dates()->is_valid_date( $value, $field ) ) {
+			$result['is_valid'] = false;
+			$result['message']  = __( 'Please enter a valid date.', 'gp-limit-dates' );
+		}
+
+		return $result;
+	}
+}
+
+# Configuration
+
+new GPLD_Conditional_Limits( array(
+	'form_id'      => 30,
+	'field_id'     => 3,
+	'conditionals' => array(
+		array(
+			'options'           => array(
+				'minDate'          => '{today}',
+				'minDateMod'       => '+2 days',
+				'daysOfWeek'       => [1],
+				'dateFormat'       => 'mdy',
+				'exceptions'       => array( '01/01/2024', '01/17/2024', '05/27/2024' ),
+				'inlineDatepicker' => false,
+			),
+			'conditionalLogic' => array(
+				'logicType'  => 'any',
+				'actionType' => 'show',
+				'rules'      => array(
+					array(
+						'fieldId'  => '1',
+						'operator' => 'is',
+						'value'    => '68462',
+					),
+				),
+			),
+		),
+		array(
+			'options'          => array(
+				'minDate'          => '{today}',
+				'minDateMod'       => '+2 days',
+				'daysOfWeek'       => [1, 2],
+				'dateFormat'       => 'mdy',
+				'exceptions'       => array( '09/02/2024', '12/25/2024' ),
+				'inlineDatepicker' => false,
+			),
+			'conditionalLogic' => array(
+				'logicType'  => 'any',
+				'actionType' => 'show',
+				'rules'      => array(
+					array(
+						'fieldId'  => '1',
+						'operator' => 'is',
+						'value'    => '68502',
+					)
+				),
+			),
+		),
+	),
+) );