leadgen.php

<?php
/**
 * Plugin Name: Lead Gen Form
 * Description: Collect customer data and build customer profiles inside of your WordPress Dashboard.
 * Version: 1.0
 * Author: Leighton Sapir
 * Author URI: http://iamleigh.com/
 * License: MIT
 */

if ( ! defined( 'ABSPATH' ) ) {
	die( "Now you see me, now you don't... puff!!!" );
}

// Return plugin URL
if ( ! function_exists( 'leadgen_plugin_url' ) ) {
	function leadgen_plugin_url() {
		return trailingslashit( plugin_dir_url( __FILE__ ) );
	}
}

// Return plugin path
if ( ! function_exists( 'leadgen_plugin_dir' ) ) {
	function leadgen_plugin_dir() {
		return trailingslashit( plugin_dir_path( __FILE__ ) );
	}
}

// CUSTOMER CPT
function leadgen_customers() {

	$labels = array(
		'name'               => 'Customers',
		'singular_name'      => 'Customer',
		'add_new'            => 'Add New',
		'add_new_item'       => 'Add New Customer',
		'edit_item'          => 'Edit Customer',
		'new_item'           => 'New Customer',
		'view_item'          => 'View Customer',
		'view_items'         => 'View Customers',
		'search_items'       => 'Search Customers',
		'not_found'          => 'No customers found',
		'not_found_in_trash' => 'No customers found in trash',
	);

	$supports = array(
		'title',
		'editor',

	);

	$args = array(
		'labels'          => $labels,
		'public'          => true,
		'menu_icon'       => null,
		'rewrite'         => array( 'slug' => 'customer' ),
		'capability_type' => 'post',
		'has_archive'     => false,
		'menu_position'   => '15',
		'supports'        => $supports,
	);

	register_post_type( 'customers', $args );

}

add_action( 'init', 'leadgen_customers' );

// CUSTOMER META BOX
function leadgen_customer_info() {

	add_meta_box(
		'leadgen_customer_info_meta',
		'Customer Info',
		'leadgen_customer_info_show',
		'customers',
		'normal',
		'high'
	);

}

add_action( 'add_meta_boxes', 'leadgen_customer_info' );

function leadgen_customer_info_show( $customer_info ) {

	$phone   = esc_html( get_post_meta( $customer_info->ID, 'phone', true ) );
	$email   = esc_html( get_post_meta( $customer_info->ID, 'email', true ) );
	$budget  = esc_html( get_post_meta( $customer_info->ID, 'budget', true ) );
	$message = esc_html( get_post_meta( $customer_info->ID, 'message', true ) ); ?>

	<table>

		<tr>

			<td>Phone:</td>
			<td><input type="number" size="80" name="leadgen_customer_phone" value="<?php echo $phone; ?>" /></td>

		</tr>

		<tr>

			<td>Email:</td>
			<td><input type="email" size="80" name="leadgen_customer_email" value="<?php echo $email; ?>" /></td>

		</tr>

		<tr>

			<td>Desired Budget:</td>
			<td><input type="number" size="80" name="leadgen_customer_budget" value="<?php echo $budget; ?>" /></td>

		</tr>

	</table>

<?php
}

function leadgen_customer_info_add( $customer_id, $customer_info ) {

	if ( $customer_info->post_type === 'customers' ) {

		if ( isset( $_POST['leadgen_customer_phone'] ) && $_POST['leadgen_customer_phone'] != '' ) {
			update_post_meta( $customer_id, 'phone', $_POST['leadgen_customer_phone'] );
		}

		if ( isset( $_POST['leadgen_customer_email'] ) && $_POST['leadgen_customer_email'] != '' ) {
			update_post_meta( $customer_id, 'email', $_POST['leadgen_customer_email'] );
		}

		if ( isset( $_POST['leadgen_customer_budget'] ) && $_POST['leadgen_customer_budget'] != '' ) {
			update_post_meta( $customer_id, 'budget', $_POST['leadgen_customer_budget'] );
		}

	}

}

add_action( 'save_post', 'leadgen_customer_info_add', 10, 2 );

// SHORTCODE
function leadgen_form( $atts ) {

	$errors = array(); // array to hold validation errors
	$data   = array(); // array to pass back data

	$shortcode_atts = shortcode_atts( array(
		'styles'       => true,
		'title'        => 'Contact Us',
		'name'         => 'Name',
		'name_max'     => '20',
		'phone'        => 'Phone',
		'phone_max'    => '10',
		'email'        => 'Email',
		'email_max'    => '',
		'budget'       => 'Desired Budget',
		'budget_min'   => '100',
		'budget_max'   => '1000',
		'message'      => 'Message',
		'message_cols' => '100',
		'message_rows' => '6',
		'submit'       => 'Submit',
		'ajax'         => true,
	), $atts );

	extract( $shortcode_atts );

	if ( $ajax ) {

		wp_enqueue_script( 'leadgen', leadgen_plugin_url() . 'assets/js/leadgen.js', array( 'jquery' ) );
		wp_localize_script( 'leadgen', 'leadgen_data', array( 'shortcode_atts' => $shortcode_atts, 'ajaxurl' => admin_url( 'admin-ajax.php' ) ) );

	}

	if ( 'POST' === $_SERVER['REQUEST_METHOD'] && ! empty( $_POST['action'] ) && $_POST['action'] === "leadgen_new_customer" ) {
		
		$response = save_new_customer_form();
		
		if ( ! $response['success'] ) {
			$errors = $response['errors'];
		}

	}

	if ( $styles === true ) {
		$class = ' class="leadgen-ui leadgen-form"';
	} else {
		$class = '';
	} ?>

	<div id="leadgen-form">
		
		<form id="leadgen_new_customer"<?php echo $class; ?> name="leadgen_new_customer" method="post" action="">

			<?php if (
				( isset( $_POST['title'] ) && !empty( $_POST['title'] ) ) ||
				( isset( $_POST['leadgen_customer_phone'] ) && !empty( $_POST['leadgen_customer_phone'] ) ) ||
				( isset( $_POST['leadgen_customer_email'] ) && !empty( ['leadgen_customer_email'] ) ) ||
				( isset( $_POST['leadgen_customer_budget'] ) && !empty( ['leadgen_customer_budget'] ) )
			) { ?>
				
				<label class="leadgen-label--info"><?php echo $errors['form']; ?></label>

			<?php } ?>

			<?php if ( $ajax === true ) { ?>
				
				<div class="leadgen-notice"></div>

			<?php } ?>

			<h1 class="leadgen-title"><?php echo $title; ?></h1>

			<div id="leadgen-customer-name" class="leadgen-field">
				
				<label for="lgf-title" class="leadgen-label"><?php echo $name; ?></label>
				
				<input type="text" id="lgf-title" class="leadgen-input<?php if ( isset( $errors['title'] ) && !empty( $errors['title'] ) ) { echo ' ' . $errors['class']; } ?>" value="" tabindex="1" name="title" maxlength="<?php echo $name_max; ?>"/>

				<?php if ( isset( $errors['title'] ) && !empty( $errors['title'] ) ) { ?>
					<label id="lgf-title" class="leadgen-label--error"><?php echo $errors['title']; ?></label>
				<?php } ?>

			</div>

			<div id="leadgen-customer-phone" class="leadgen-field">
				
				<label for="lgf-phone" class="leadgen-label"><?php echo $phone; ?></label>
				
				<input type="tel" id="lgf-phone" class="leadgen-input<?php if ( isset( $errors['leadgen_customer_phone'] ) && !empty( $errors['leadgen_customer_phone'] ) ) { echo ' ' . $errors['class']; } ?>" value="" tabindex="1" name="leadgen_customer_phone" maxlength="<?php echo $phone_max; ?>" />
				
				<?php if ( isset( $errors['leadgen_customer_phone'] ) && !empty( $errors['leadgen_customer_phone'] ) ) { ?>
					<label id="lgf-phone" class="leadgen-label--error"><?php echo $errors['leadgen_customer_phone']; ?></label>
				<?php } ?>

			</div>

			<div id="leadgen-customer-email" class="leadgen-field">
				
				<label for="lgf-email" class="leadgen-label"><?php echo $email; ?></label>
				
				<input type="email" id="lgf-email" class="leadgen-input<?php if ( isset( $errors['leadgen_customer_email'] ) && !empty( $errors['leadgen_customer_email'] ) ) { echo ' ' . $errors['class']; } ?>" value="" tabindex="1" name="leadgen_customer_email" maxlength="<?php echo $email_max; ?>" />
				
				<?php if ( isset( $errors['leadgen_customer_email'] ) && !empty( $errors['leadgen_customer_email'] ) ) { ?>
					<label id="lgf-email" class="leadgen-label--error"><?php echo $errors['leadgen_customer_email']; ?></label>
				<?php } ?>

			</div>

			<div id="leadgen-customer-budget" class="leadgen-field">
				
				<label for="lgf-budget" class="leadgen-label"><?php echo $budget; ?></label>
				
				<input type="number" id="lgf-budget" class="leadgen-input<?php if ( isset( $errors['leadgen_customer_budget'] ) && !empty( $errors['leadgen_customer_budget'] ) ) { echo ' ' . $errors['class']; } ?>" value="" tabindex="1" name="leadgen_customer_budget" min="<?php echo $budget_min; ?>" max="<?php echo $budget_max; ?>" />
				
				<?php if ( isset( $errors['leadgen_customer_budget'] ) && !empty( $errors['leadgen_customer_budget'] ) ) { ?>
					<label id="lgf-budget" class="leadgen-label--error"><?php echo $errors['leadgen_customer_budget']; ?></label>
				<?php } ?>
				
			</div>
			
			<div class="leadgen-field">
				
				<label for="lgf-description" class="leadgen-label"><?php echo $message; ?></label>
				
				<textarea id="lgf-description" class="leadgen-textarea" tabindex="3" name="description" cols="<?php echo $message_cols; ?>" rows="<?php echo $message_rows; ?>"></textarea>

			</div>
			
			<div class="leadgen-field--button">
				
				<button id="submit" class="leadgen-button" name="submit"><?php echo $submit; ?></button>
				
			</div>

			<?php foreach ( $shortcode_atts as $key => $shortcode_att ) { ?>
                
				<input type="hidden" name="shortcode_atts[<?php echo $key; ?>]" value="<?php echo $shortcode_att; ?>"/>
				
			<?php } ?>

			<input type="hidden" name="action" value="leadgen_new_customer" />
			
			<?php wp_nonce_field( 'leadgen-new-client', 'leadgen_nonce' ); ?>

		</form>
		
	</div>

<?php
}

add_shortcode( "leadgen", "leadgen_form" );

function leadgen_load_styles() {
	
	wp_enqueue_style( 'leadgen', leadgen_plugin_url() . 'assets/css/leadgen.css' );
	
}

add_action( 'wp_enqueue_scripts', 'leadgen_load_styles' );

function leadgen_handle_form_submit() {
	
	$post_data	= $_POST['form_data'];
	$response	= save_new_customer_form();
	
	if ( ! $response['success'] ) {
		wp_send_json_error( $response['errors'] );
	}
	
	wp_send_json_success( $post_data['data'] );

}

function save_new_customer_form() {

	$shortcode_atts = $_POST['shortcode_atts'];

	extract( $shortcode_atts );
	
	$errors = array();
	
	if ( ! isset( $_POST['leadgen_nonce'] ) || ! wp_verify_nonce( $_POST['leadgen_nonce'], 'leadgen-new-client' ) ) {
		
		return array(
			'success'	=> false,
			'errors'	=> array(
				'leadgen_nonce'	=> 'Sorry, your nonce did not verify.',
			),
		);

	}

	$customer_name = $customer_phone = $customer_email = $customer_budget = $customer_message = '';

	if (
		( empty( $_POST['title'] ) && $_POST['title'] === '' ) ||
		( empty( $_POST['leadgen_customer_phone'] ) && $_POST['leadgen_customer_phone'] === '' ) ||
		( empty( $_POST['leadgen_customer_email'] ) && $_POST['leadgen_customer_email'] === '' ) ||
		( empty( $_POST['leadgen_customer_budget'] ) && $_POST['leadgen_customer_budget'] === '' )
	) {
		$errors['form']  = 'Something went wrong. Please, verify and try again.';
		$errors['class'] = 'leadgen-has_error';
	}

	if ( isset( $_POST['title'] ) && $_POST['title'] !== '' ) {
		$customer_name = $_POST['title'];
	} else {
		$errors['title'] = '"' . $name . '" is required.';
	}

	if ( isset( $_POST['leadgen_customer_phone'] ) && $_POST['leadgen_customer_phone'] !== '' ) {
		$customer_phone = $_POST['leadgen_customer_phone'];
	} else {
		$errors['leadgen_customer_phone'] = '"' . $phone . '" is required.';
	}

	if ( isset( $_POST['leadgen_customer_email'] ) && $_POST['leadgen_customer_email'] !== '' ) {
		$customer_email = $_POST['leadgen_customer_email'];
	} else {
		$errors['leadgen_customer_email'] = '"' . $email . '" is required.';
	}

	if ( isset( $_POST['leadgen_customer_budget'] ) && $_POST['leadgen_customer_budget'] !== '' ) {
		$customer_budget = $_POST['leadgen_customer_budget'];
	} else {
		$errors['leadgen_customer_budget'] = '"' . $budget . '" is required.';
	}

	if ( isset( $_POST['description'] ) ) {
		$customer_message = $_POST['description'];
	}

	if ( ! empty( $customer_name ) && ! empty( $customer_phone ) && ! empty( $customer_email ) && ! empty( $customer_budget ) ) {

		// add the content of the form to $post as an array
		$new_client = array(
			'post_title'				=> $customer_name,
			'post_content'				=> $customer_message,
			'leadgen_customer_phone'	=> $customer_phone,
			'leadgen_customer_email'	=> $customer_email,
			'leadgen_customer_budget'	=> $customer_budget,
			'post_status'				=> 'publish',
			'post_type'					=> 'customers',
		);

		// save the new post
		$pid = wp_insert_post( $new_client );

		// return as sucess
		return array(
			'success'	=> true,
			'data'		=> $pid,
		);
	}


	// return a response
	return array(
		'success'	=> false,
		'errors'	=> $errors,
	);

}

add_action( 'wp_ajax_leadgen_new_customer', 'leadgen_handle_form_submit' );
add_action( 'wp_ajax_nopriv_leadgen_new_customer', 'leadgen_handle_form_submit' );