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Edit File: dgx-donate.php

<?php
/*
 Seamless Donations by David Gewirtz, adopted from Allen Snook

Lab Notes: http://zatzlabs.com/lab-notes/
 Plugin Page: http://zatzlabs.com/seamless-donations/
 Contact: http://zatzlabs.com/contact-us/

//	Exit if .php file accessed directly
if (!defined('ABSPATH')) exit;

/******************************************************************************************************/
function dgx_donate_get_giving_levels() {
    $builtinGivingLevels = array(
        1000,
        500,
        100,
        50,
        10,
        5,
    );

// leaving as-is for compatibility
    $givingLevels = apply_filters('dgx_donate_giving_levels', $builtinGivingLevels);

// check if filter results are unusable
    if (count($givingLevels) == 0) {
        $givingLevels = array(1000); // default = just $1000
    }

return $givingLevels;
}

/******************************************************************************************************/
function dgx_donate_is_valid_giving_level($amount) {
    $givingLevels = dgx_donate_get_giving_levels();

if (in_array($amount, $givingLevels)) {
        return true;
    }

return false;
}

/******************************************************************************************************/
function dgx_donate_enable_giving_level($amount) {
    if (dgx_donate_is_valid_giving_level($amount)) {
        $key = dgx_donate_get_giving_level_key($amount);
        update_option($key, "yes");
    }
}

/******************************************************************************************************/
function dgx_donate_disable_giving_level($amount) {
    if (dgx_donate_is_valid_giving_level($amount)) {
        $key = dgx_donate_get_giving_level_key($amount);
        delete_option($key);
    }
}

/******************************************************************************************************/
function dgx_donate_is_giving_level_enabled($amount) {
    $levelEnabled = false;

if (dgx_donate_is_valid_giving_level($amount)) {
        $key   = dgx_donate_get_giving_level_key($amount);
        $value = get_option($key);
        if (!empty($value)) {
            $levelEnabled = true;
        }
    }

return $levelEnabled;
}

/******************************************************************************************************/
function dgx_donate_get_giving_level_key($amount) {
    $key = "dgx_donate_giving_level_" . $amount;

return $key;
}

/******************************************************************************************************/
function dgx_donate_queue_scripts() {
    $load_in_footer = ('true' == get_option('dgx_donate_scripts_in_footer'));

$script_url = plugin_dir_url(dirname(__FILE__)) . 'js/script.js';
    wp_enqueue_script('dgx_donate_script', $script_url, array('jquery'), false, $load_in_footer);

$script_url = plugins_url('/js/geo-selects.js', __FILE__);
    wp_enqueue_script('dgx_donate_geo_selects_script', $script_url, array('jquery'), false, $load_in_footer);

// declare the URL to the file that handles the AJAX request (wp-admin/admin-ajax.php)
    wp_localize_script(
        'dgx_donate_script', 'dgxDonateAjax',
        array(
            'ajaxurl'            => admin_url('admin-ajax.php'),
            'nonce'              => wp_create_nonce('dgx-donate-nonce'),
            'postalCodeRequired' => dgx_donate_get_countries_requiring_postal_code(),
        )
    );
}

add_action('wp_enqueue_scripts', 'dgx_donate_queue_scripts'); // will eventually be deprecated

/******************************************************************************************************/
function dgx_donate_display_thank_you() {
    $output       = "<p>";
    $thankYouText = get_option('dgx_donate_thanks_text');
    $thankYouText = nl2br($thankYouText);
    $output       .= $thankYouText;
    $output       .= "</p>";

return $output;
}

/******************************************************************************************************/
function dgx_donate_get_meta_map() {
    return array(
        'SESSIONID'        => '_dgx_donate_session_id',
        'AMOUNT'           => '_dgx_donate_amount',
        'REPEATING'        => '_dgx_donate_repeating',
        'DESIGNATED'       => '_dgx_donate_designated',
        'DESIGNATEDFUND'   => '_dgx_donate_designated_fund',
        'TRIBUTEGIFT'      => '_dgx_donate_tribute_gift',
        'MEMORIALGIFT'     => '_dgx_donate_memorial_gift',
        'HONOREENAME'      => '_dgx_donate_honoree_name',
        'HONORBYEMAIL'     => '_dgx_donate_honor_by_email',
        'HONOREEEMAILNAME' => '_dgx_donate_honoree_email_name',
        'HONOREEEMAIL'     => '_dgx_donate_honoree_email',
        'HONOREEPOSTNAME'  => '_dgx_donate_honoree_post_name',
        'HONOREEADDRESS'   => '_dgx_donate_honoree_address',
        'HONOREECITY'      => '_dgx_donate_honoree_city',
        'HONOREESTATE'     => '_dgx_donate_honoree_state',
        'HONOREEPROVINCE'  => '_dgx_donate_honoree_province',
        'HONOREECOUNTRY'   => '_dgx_donate_honoree_country',
        'HONOREEZIP'       => '_dgx_donate_honoree_zip',
        'FIRSTNAME'        => '_dgx_donate_donor_first_name',
        'LASTNAME'         => '_dgx_donate_donor_last_name',
        'PHONE'            => '_dgx_donate_donor_phone',
        'EMAIL'            => '_dgx_donate_donor_email',
        'ADDTOMAILINGLIST' => '_dgx_donate_add_to_mailing_list',
        'ADDRESS'          => '_dgx_donate_donor_address',
        'ADDRESS2'         => '_dgx_donate_donor_address2',
        'CITY'             => '_dgx_donate_donor_city',
        'STATE'            => '_dgx_donate_donor_state',
        'PROVINCE'         => '_dgx_donate_donor_province',
        'COUNTRY'          => '_dgx_donate_donor_country',
        'ZIP'              => '_dgx_donate_donor_zip',
        'INCREASETOCOVER'  => '_dgx_donate_increase_to_cover',
        'ANONYMOUS'        => '_dgx_donate_anonymous',
        'PAYMENTMETHOD'    => '_dgx_donate_payment_method',
        'EMPLOYERMATCH'    => '_dgx_donate_employer_match',
        'EMPLOYERNAME'     => '_dgx_donate_employer_name',
        'OCCUPATION'       => '_dgx_donate_occupation',
        'UKGIFTAID'        => '_dgx_donate_uk_gift_aid',
    );
}

/******************************************************************************************************/
function dgx_donate_create_empty_donation_record() {
    dgx_donate_debug_log("Creating donation record...");
    $sd4_mode = get_option('dgx_donate_start_in_sd4_mode');
    if ($sd4_mode == false) {
        $post_type = 'dgx-donation';
    } else {
        $post_type = 'donation';
    }
    dgx_donate_debug_log("...of type $post_type");

// Get all the dates - timezone fix thanks to pkwooster
    $gmt_offset    = -get_option('gmt_offset');
    $php_time_zone = date_default_timezone_get();
    if ($gmt_offset > 0) {
        $time_zone = 'Etc/GMT+' . $gmt_offset;
    } else {
        $time_zone = 'Etc/GMT' . $gmt_offset;
    }
    date_default_timezone_set($time_zone);

$year           = date('Y');
    $month          = date('m');
    $day            = date('d');
    $year_month_day = date('Y-m-d');
    $time           = date('g:i:s A');
    $date_time      = date('Y-m-d H:i:s');

// set the PHP timezone back the way it was
    date_default_timezone_set($php_time_zone);

// the title is Lastname, Firstname (YYYY-MM-dd)
    $post_title = $date_time;

$new_donation = array(
        'post_title'   => $post_title,
        'post_content' => '',
        'post_status'  => 'publish',
        'post_date'    => $date_time,
        'post_author'  => 1,
        'post_type'    => $post_type,
    );

$donation_id = wp_insert_post($new_donation);

// Save some meta
    update_post_meta($donation_id, '_dgx_donate_year', $year);
    update_post_meta($donation_id, '_dgx_donate_month', $month);
    update_post_meta($donation_id, '_dgx_donate_day', $day);
    update_post_meta($donation_id, '_dgx_donate_time', $time);

return $donation_id;
}

/******************************************************************************************************/
function dgx_donate_create_donation_from_transient_data($transient_data) {
    // Create a new donation record
    $donation_id = dgx_donate_create_empty_donation_record();

$meta_map = dgx_donate_get_meta_map();

foreach ((array)$meta_map as $transient_data_key => $postmeta_key) {
        update_post_meta($donation_id, $postmeta_key, $transient_data[$transient_data_key]);
    }

return $donation_id;
}

/******************************************************************************************************/
function dgx_donate_create_donation_from_donation($old_donation_id) {
    // Create a new donation record by cloning an old one (useful for repeating donations)
    dgx_donate_debug_log("about to create donation from old donation $old_donation_id");
    $new_donation_id = dgx_donate_create_empty_donation_record();
    dgx_donate_debug_log("new donation id = $new_donation_id");

$meta_map = dgx_donate_get_meta_map();

foreach ((array)$meta_map as $transient_data_key => $postmeta_key) {
        $old_donation_meta_value = get_post_meta($old_donation_id, $postmeta_key, true);
        update_post_meta($new_donation_id, $postmeta_key, $old_donation_meta_value);
    }

dgx_donate_debug_log("done with dgx_donate_create_donation_from_donation, returning new id $new_donation");

return $new_donation_id;
}

/******************************************************************************************************/
function dgx_donate_create_donation_from_paypal_data($post_data) {
    // Create a new donation record from paypal data (if transient no longer exists for some reason)
    dgx_donate_debug_log("about to create donation from paypal post data");
    $new_donation_id = dgx_donate_create_empty_donation_record();
    dgx_donate_debug_log("new donation id = $new_donation_id");

// @todo - loop over the meta map translating paypal keys into our keys
    // @todo ADDRESS

$payment_gross = isset($_POST['payment_gross']) ? $_POST['payment_gross'] : '';
    $mc_gross      = isset($_POST['mc_gross']) ? $_POST['mc_gross'] : '';

$amount = empty($payment_gross) ? $mc_gross : $payment_gross;

update_post_meta($new_donation_id, '_dgx_donate_donor_first_name', $_POST['first_name']);
    update_post_meta($new_donation_id, '_dgx_donate_donor_last_name', $_POST['last_name']);
    update_post_meta($new_donation_id, '_dgx_donate_donor_email', $_POST['payer_email']);
    update_post_meta($new_donation_id, '_dgx_donate_amount', $amount);

dgx_donate_debug_log("done with dgx_donate_create_donation_from_paypal_data, returning new id $new_donation_id");

return $new_donation_id;
}

/******************************************************************************************************/
function dgx_donate_get_donation_detail_link($donationID) {
    $detailUrl = get_admin_url();
    $detailUrl .= "admin.php?page=dgx_donate_menu_page&donation=" . $donationID;

return $detailUrl;
}

function dgx_donate_get_donor_detail_link($donorEmail) {
    $detailUrl = get_admin_url();

// TODO: URLENCODE?
    $detailUrl .= "admin.php?page=dgx_donate_menu_page&donor=" . $donorEmail;

return $detailUrl;
}

/******************************************************************************************************/
function dgx_donate_init() {
    // Start a PHP session if none has been started yet
    // The means to test whether a session has been started varies by PHP version

if (version_compare(phpversion(), '5.4.0', '>=')) {
        $session_already_started = (session_status() === PHP_SESSION_ACTIVE);
    } else {
        $session_id              = session_id();
        $session_already_started = (!empty($session_id));
    }

if (!$session_already_started) {
        session_start();
    }

// Initialize options to defaults as needed
    dgx_donate_init_defaults();

// Display an admin notice if we are in sandbox mode

$payPalServer = get_option('dgx_donate_paypal_server');
    if (strcasecmp($payPalServer, "SANDBOX") == 0) {
        add_action('admin_notices', 'dgx_donate_admin_sandbox_msg');
    }
}

// add_action ( 'init', 'dgx_donate_init' );

/******************************************************************************************************/
function dgx_donate_get_month_year_selector($monthSelectName, $yearSelectName) {
    $output = "<select name=\"$monthSelectName\">";

for ($month = 1; $month <= 12; $month++) {
        $formattedMonth = sprintf("%02u", $month);
        $output         .= "<option value=\"$formattedMonth\"> $formattedMonth </option>\n";
    }

$output .= "</select>";

$output .= " / ";

$output .= "<select name=\"$yearSelectName\">";

$startYear = date('Y');
    $startYear = intval($startYear);
    $endYear   = $startYear + 15;

for ($year = $startYear; $year <= $endYear; $year++) {
        $output .= "<option value=\"$year\"> $year </option>\n";
    }

$output .= "</select>";

return $output;
}

/******************************************************************************************************/
function dgx_donate_get_donation_section($formContent) {
    $output = "";
    $output .= "<div class='dgx-donate-form-section' id='dgx-donate-form-donation-section'>\n";
    $output .= "<h2>" . esc_html__('Donation Information', 'seamless-donations') . "</h2>\n";

$output .= "<p>" . esc_html__('I would like to make a donation in the amount of:', 'seamless-donations') .
        "</p>";

$output       .= "<p>";
    $checked      = " checked=\"checked\" ";
    $classmod     = "";
    $givingLevels = dgx_donate_get_giving_levels();
    foreach ($givingLevels as $givingLevel) {
        $key = dgx_donate_get_giving_level_key($givingLevel);

if (dgx_donate_is_giving_level_enabled($givingLevel)) {
            $formattedAmount = dgx_donate_get_escaped_formatted_amount($givingLevel, 0);
            $output          .= "<input $classmod type=\"radio\" name=\"_dgx_donate_amount\" value=\"$givingLevel\" $checked /> $formattedAmount ";
            $checked         = "";                  // only select the first one
            $classmod        = " class=\"horiz\" "; // only classmod the second and higher ones
        }
    }
    $output .= "</p>";

$output .= "<p><input type='radio' name='_dgx_donate_amount' value='OTHER' id='dgx-donate-other-radio' />";
    $output .= esc_html__('Other: ', 'seamless-donations');
    $output .= "<input type=\"text\" class=\"aftertext\" id=\"dgx-donate-other-input\" name=\"_dgx_donate_user_amount\" />";
    $output .= "</p>\n";

// Designated Funds

if ('true' == get_option('dgx_donate_show_designated_funds_section')) {
        $showFundCount = 0;
        $fundArray     = get_option('dgx_donate_designated_funds');

if (!empty($fundArray)) {
            ksort($fundArray);

foreach ((array)$fundArray as $key => $value) {
                if (strcasecmp($fundArray[$key], "SHOW") == 0) {
                    $showFundCount = $showFundCount + 1;
                }
            }
        }

if ($showFundCount > 0) {
            $output .= "<p>";
            $output .= "<input type='checkbox' id='dgx-donate-designated' name='_dgx_donate_designated'/>";
            $output .= esc_html__(
                "I would like to designate this donation to a specific fund", 'seamless-donations');
            $output .= "</p>";

$output .= "<div class='dgx-donate-form-designated-box'>";
            $output .= "<p>" . esc_html__('Designated Fund: ', 'seamless-donations') . " ";
            $output .= "<select class='aftertext' name='_dgx_donate_designated_fund'>";

foreach ((array)$fundArray as $key => $value) {
                if (strcasecmp($fundArray[$key], "SHOW") == 0) {
                    $fundName = stripslashes($key);
                    $output   .= "<option value='" . esc_attr($fundName) . "' > " . esc_html($fundName) .
                        "</option>";
                }
            }

$output .= "</select>";
            $output .= "</p>";
            $output .= "</div>"; /* dgx-donate-form-designated-box */
        }
    }

// Repeating donations
    if ('true' == get_option('dgx_donate_show_repeating_option')) {
        $output .= "<p>";
        $output .= "<input type='checkbox' id='dgx-donate-repeating' name='_dgx_donate_repeating'/>";
        $output .= esc_html__("I would like this donation to automatically repeat each month", 'seamless-donations');
        $output .= "</p>";
    }

$output .= "</div>"; /* dgx-donate-form-section */

$formContent .= $output;

return $formContent;
}

/******************************************************************************************************/
function dgx_donate_get_tribute_section($formContent) {
    if ('true' == get_option('dgx_donate_show_tribute_section')) {
        $honoree_state    = get_option('dgx_donate_default_state');
        $honoree_province = get_option('dgx_donate_default_province');
        $honoree_country  = get_option('dgx_donate_default_country');

$output = "";
        $output .= "<div class='dgx-donate-form-section' id='dgx-donate-form-tribute-section'>\n";
        $output .= "<h2>" . esc_html__('Tribute Gift', 'seamless-donations') . "</h2>\n";
        $output .= "<div class='dgx-donate-form-expander'>\n";
        $output .= "<p class='dgx-donate-form-expander-header'>";
        $output .= "<input type='checkbox' id='dgx-donate-tribute' name='_dgx_donate_tribute_gift' /> ";
        $output .= esc_html__('Check here to donate in honor or memory of someone', 'seamless-donations') .
            " </p>\n";
        $output .= "<div class='dgx-donate-form-tribute-box'>\n";
        $output .= "<p>";
        $output .= "<input type='checkbox' name='_dgx_donate_memorial_gift' />";
        $output .= esc_html__('Check here if this is a memorial gift', 'seamless-donations') . " ";
        $output .= "</p>\n";
        $output .= "<hr/>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_name'>" . esc_html__("Honoree's Name:", 'seamless-donations') .
            " </label>";
        $output .= "<input type='text' name='_dgx_donate_honoree_name' size='20' value='' />";
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<input type='radio' name='_dgx_donate_honor_by_email' value='TRUE' /> ";
        $output .= esc_html__('Send acknowledgement via email to ', 'seamless-donations') . " ";
        $output .= "</p>";
        $output .= "<div class='dgx-donate-form-subsection'>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_address'>" . esc_html__('Name:', 'seamless-donations') .
            " </label>";
        $output .= "<input type='text' name='_dgx_donate_honoree_email_name' size='20' value='' />";
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_email'>" . esc_html__('Email:', 'seamless-donations') .
            " </label>";
        $output .= "<input type='text' name='_dgx_donate_honoree_email' size='20' value='' />";
        $output .= "</p>";
        $output .= "</div>";
        $output .= "<p>";
        $output .= "<input type='radio' name='_dgx_donate_honor_by_email' value='FALSE' /> ";
        $output .= esc_html__('Send acknowledgement via postal mail to ', 'seamless-donations') . " ";
        $output .= "</p>";
        $output .= "<div class='dgx-donate-form-subsection'>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_address'>" . esc_html__('Name:', 'seamless-donations') .
            " </label>";
        $output .= "<input type='text' name='_dgx_donate_honoree_post_name' size='20' value='' />";
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_address'>" . esc_html__('Address:', 'seamless-donations') .
            " </label>";
        $output .= "<input type='text' name='_dgx_donate_honoree_address' size='20' value='' />";
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_city'>" . esc_html__('City:', 'seamless-donations') .
            " </label>";
        $output .= "<input type='text' name='_dgx_donate_honoree_city' value='' />";
        $output .= "</p>";

$output .= "<div class='dgx_donate_geography_selects'>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_state'>" . esc_html__('State:', 'seamless-donations') .
            "</label>";
        $output .= dgx_donate_get_state_selector("_dgx_donate_honoree_state", $honoree_state);
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_province'>" . esc_html__('Province:', 'seamless-donations') .
            "</label>";
        $output .= dgx_donate_get_province_selector("_dgx_donate_honoree_province", $honoree_province);
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_country'>" . esc_html__('Country:', 'seamless-donations') .
            "</label>";
        $output .= dgx_donate_get_country_selector("_dgx_donate_honoree_country", $honoree_country);
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_honoree_zip'>" . esc_html__('Postal Code:', 'seamless-donations') .
            "</label>";
        $output .= "<input class='dgx_donate_zip_input' type='text' name='_dgx_donate_honoree_zip' size='10' value='' />";
        $output .= "</p>";
        $output .= "</div>"; // dgx_donate_geography_selects

$output .= "</div>"; /* dgx-donate-form-subsection */
        $output .= "</div>"; /* dgx-donate-form-tribute-box */
        $output .= "</div>"; /* dgx-donate-form-expander */
        $output .= "</div>\n"; /* dgx-donate-form-section */

$formContent .= $output;
    }

return $formContent;
}

/******************************************************************************************************/
function dgx_donate_get_employer_section($form_content) {
    if ('true' == get_option('dgx_donate_show_employer_section')) {
        $output = "";
        $output .= "<div class='dgx-donate-form-section' id='dgx-donate-form-employer-section'>";
        $output .= "<h2>" . esc_html__('Employer Match', 'seamless-donations') . "</h2>";
        $output .= "<p>";
        $output .= "<input type='checkbox' id='dgx-donate-employer' name='_dgx_donate_employer_match' /> ";
        $output .= esc_html__('Check here if your employer matches donations', 'seamless-donations') . "</p>";
        $output .= "</div>"; /* dgx-donate-form-section */

$form_content .= $output;
    }

return $form_content;
}

/******************************************************************************************************/
function dgx_donate_get_donor_section($form_content) {
    $output = "";
    $output .= "<div class='dgx-donate-form-section' id='dgx-donate-form-donor-section'>";
    $output .= "<h2>" . esc_html__('Donor Information', 'seamless-donations') . "</h2>";
    $output .= "<p>";
    $output .= "<label for='_dgx_donate_donor_first_name'>" . esc_html__('First Name:', 'seamless-donations') .
        " </label>";
    $output .= "<input type='text' class='required' name='_dgx_donate_donor_first_name' value='' />";
    $output .= "</p>";
    $output .= "<p>";
    $output .= "<label for='_dgx_donate_donor_last_name'>" . esc_html__('Last Name:', 'seamless-donations') .
        " </label>";
    $output .= "<input type='text' class='required' name='_dgx_donate_donor_last_name' value='' />";
    $output .= "</p>";

$show_donor_telephone_field = get_option('dgx_donate_show_donor_telephone_field');
    if ('false' !== $show_donor_telephone_field) {
        $required = ('required' == $show_donor_telephone_field) ? "class='required'" : '';
        $output   .= "<p>";
        $output   .= "<label for='_dgx_donate_donor_phone'>" . esc_html__('Phone:', 'seamless-donations') .
            " </label>";
        $output   .= "<input type='text' {$required} name='_dgx_donate_donor_phone' value='' />";
        $output   .= "</p>";
    }

$show_donor_employer_field    = get_option('dgx_donate_show_donor_employer_field');
    $show_employer_match_checkbox = get_option(
        'dgx_donate_show_employer_section'); // i.e. they are showing the matching checkbox section
    if (('false' !== $show_donor_employer_field) || ('false' !== $show_employer_match_checkbox)) {
        $required = ('required' == $show_donor_employer_field) ? "class='required'" : '';
        $output   .= "<p>";
        $output   .= "<label for='_dgx_donate_employer_name'>" . esc_html__('Employer:', 'seamless-donations') .
            "</label>";
        $output   .= "<input type='text' {$required} name='_dgx_donate_employer_name' value='' />";
        $output   .= "</p>";
    }

$show_donor_occupation_field = get_option('dgx_donate_show_donor_occupation_field');
    if (('false' !== $show_donor_employer_field)) {
        $required = ('required' == $show_donor_occupation_field) ? "class='required'" : '';
        $output   .= "<p>";
        $output   .= "<label for='_dgx_donate_occupation'>" . esc_html__('Occupation:', 'seamless-donations') .
            "</label>";
        $output   .= "<input type='text' {$required} name='_dgx_donate_occupation' value='' />";
        $output   .= "</p>";
    }

$output .= "<p>";
    $output .= "<label for='_dgx_donate_donor_email'>" . esc_html__('Email:', 'seamless-donations') . " </label>";
    $output .= "<input type='text' class='required' name='_dgx_donate_donor_email' size='20' value='' />";
    $output .= "</p>";

if ('true' == get_option('dgx_donate_show_mailing_list_option')) {
        $output .= "<p>";
        $output .= "<input type='checkbox' name='_dgx_donate_add_to_mailing_list' />" .
            esc_html__('Add me to your mailing list', 'seamless-donations');
        $output .= "</p>";
    }

if ('true' == get_option('dgx_donate_show_anonymous_option')) {
        $output .= "<p>";
        $output .= "<input type='checkbox' name='_dgx_donate_anonymous' />";
        $output .= esc_html__(
            'Please do not publish my name.  I would like to remain anonymous.', 'seamless-donations');
        $output .= "</p>";
    }

$output .= "</div>\n";

$form_content .= $output;

return $form_content;
}

/******************************************************************************************************/
function dgx_donate_get_billing_section($form_content) {
    if ('true' == get_option('dgx_donate_show_donor_address_fields')) {
        $donor_state    = get_option('dgx_donate_default_state');
        $donor_province = get_option('dgx_donate_default_province');
        $donor_country  = get_option('dgx_donate_default_country');

$output = "";
        $output .= "<div class='dgx-donate-form-section' id='dgx-donate-form-address-section'>\n";
        $output .= "<h2>" . esc_html__('Donor Address', 'dgx_donate') . "</h2>\n";

$output .= "<p>";
        $output .= "<label for='_dgx_donate_donor_address'>" . esc_html__('Address:', 'seamless-donations') .
            " </label>";
        $output .= "<input type='text' class='required' name='_dgx_donate_donor_address'  size='20' value='' />";
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_donor_address2'>" . esc_html__('Address 2:', 'seamless-donations');
        $output .= " <span class='dgx-donate-comment'>" . esc_html__('(optional)', 'seamless-donations') .
            "</span> </label>";
        $output .= "<input type='text' name='_dgx_donate_donor_address2'  size='20' value='' />";
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_donor_city'>" . esc_html__('City:', 'seamless-donations') . " </label>";
        $output .= "<input type='text' class='required' name='_dgx_donate_donor_city' value='' /> ";
        $output .= "</p>";

$output .= "<div class='dgx_donate_geography_selects'>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_donor_state'>" . esc_html__('State:', 'seamless-donations') . "</label>";
        $output .= dgx_donate_get_state_selector("_dgx_donate_donor_state", $donor_state);
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_donor_province'>" . esc_html__('Province:', 'seamless-donations') .
            "</label>";
        $output .= dgx_donate_get_province_selector("_dgx_donate_donor_province", $donor_province);
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_donor_country'>" . esc_html__('Country:', 'seamless-donations') .
            "</label>";
        $output .= dgx_donate_get_country_selector("_dgx_donate_donor_country", $donor_country);
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<label for='_dgx_donate_donor_zip'>" . esc_html__('Postal Code:', 'seamless-donations') .
            "</label>";
        $output .= "<input class='dgx_donate_zip_input' type='text' name='_dgx_donate_donor_zip'  size='10' value='' />";
        $output .= "</p>";
        $output .= "<p>";
        $output .= "<input class='dgx_donate_uk_gift_aid' type='checkbox' name='_dgx_donate_uk_gift_aid' />";
        $output .= esc_html('I am a UK taxpayer and my gift qualifies for Gift Aid.', 'seamless-donations');
        $output .= "</p>";
        $output .= "</div>"; // dgx_donate_geography_selects

$output .= "</div>\n";

$form_content .= $output;
    }

return $form_content;
}

/******************************************************************************************************/
add_shortcode('dgx-donate', 'dgx_donate_shortcode');

function dgx_donate_shortcode($atts) {
    $show_thanks = false;
    if (isset($_GET['thanks'])) {
        $show_thanks = true;
    } else if (isset($_GET['auth'])) {
        $show_thanks = true;
    }

// Switch
    if ($show_thanks) {
        $output = dgx_donate_display_thank_you();
    } else {
        $output   = "";
        $sd4_mode = get_option('dgx_donate_start_in_sd4_mode');
        if ($sd4_mode != false) {
            $output .= "<div style='background-color:red; color:white'>";
            $output .= "<P style='padding:5px;'>Warning: This form is out of date. ";
            $output .= "Please update using the [seamless-donations] shortcode. ";
            $output .= "The shortcode is the chunk of text on your WordPress page ";
            $output .= "that generates the donation form. If you're getting this ";
            $output .= "message, it means you updated from a very out-of-date plugin ";
            $output .= "and need to change your page to replace [dgx-donate] with ";
            $output .= "[seamless-donations]. See <a href=\"https://youtu.be/SWm6GivlJi0\">this video</a> ";
            $output .= "for more details. Visit <a href=\"http://zatzlabs.com\">ZATZLabs.com</a> for support.</p>";
            $output .= "</div>";
        } else {
            $output = apply_filters('dgx_donate_donation_form', $output);

if (empty($output)) {
                $output
                    = "<p>Error: No payment gateway selected.  Please choose a payment gateway in Seamless Donations >> Settings.</p>";
            }
        }
    }

return $output;
}

/******************************************************************************************************/
function dgx_donate_send_thank_you_email($donationID, $testAddress = "") {
    if (!empty($testAddress)) {
        // Fill in dummy data
        $toEmail = $testAddress;
        // firstname
        $firstName = "Jane";
        // lastname
        $lastName = "Doe";
        // amount
        $formatted_amount = "$100.00";
        // fundname
        $fund = "Internet Cat Fund Scholarship";
        // repeating y/n
        $repeating = "TRUE";
        // designated y/n
        $designated = "TRUE";
        // anonymous y/n
        $anonymous = "TRUE";
        // mailinglistjoin y/n
        $mailingListJoin = "TRUE";
        // tribute y/n
        $tribute = "TRUE";
        // employer match
        $employer_name = "Global Corporation";
    } else {
        // Get data from donationID
        $toEmail = get_post_meta($donationID, '_dgx_donate_donor_email', true);
        // firstname
        $firstName = get_post_meta($donationID, '_dgx_donate_donor_first_name', true);
        // lastname
        $lastName = get_post_meta($donationID, '_dgx_donate_donor_last_name', true);
        // amount
        $amount           = get_post_meta($donationID, '_dgx_donate_amount', true);
        $currency_code    = dgx_donate_get_donation_currency_code($donationID);
        $formatted_amount = dgx_donate_get_plain_formatted_amount($amount, 2, $currency_code, true);
        // fundname
        $fund = get_post_meta($donationID, '_dgx_donate_designated_fund', true);
        // recurring y/n
        $repeating = get_post_meta($donationID, '_dgx_donate_repeating', true);
        // designated y/n
        $designated = get_post_meta($donationID, '_dgx_donate_designated', true);
        // anonymous y/n
        $anonymous = get_post_meta($donationID, '_dgx_donate_anonymous', true);
        // mailinglistjoin y/n
        $mailingListJoin = get_post_meta($donationID, '_dgx_donate_add_to_mailing_list', true);
        // tribute y/n
        $tribute = get_post_meta($donationID, '_dgx_donate_tribute_gift', true);
        // employer match
        $employer_name = get_post_meta($donationID, '_dgx_doname_employer_name', true);
    }

$subject = get_option('dgx_donate_email_subj');
    $subject = stripslashes($subject);

$body      = get_option('dgx_donate_email_body');
    $body      = str_replace("[firstname]", $firstName, $body);
    $body      = str_replace("[lastname]", $lastName, $body);
    $body      = str_replace("[amount]", $formatted_amount, $body);
    $body      = str_replace("[fund]", $fund, $body);
    $body      = stripslashes($body);
    $emailBody = $body;
    $emailBody .= "\n\n";

if (!empty($repeating)) {
        $text      = get_option('dgx_donate_email_recur');
        $text      = str_replace("[amount]", $formatted_amount, $text);
        $text      = stripslashes($text);
        $emailBody .= $text;
        $emailBody .= "\n\n";
    }

if (!empty($designated)) {
        $text      = get_option('dgx_donate_email_desig');
        $text      = str_replace("[fund]", $fund, $text);
        $text      = stripslashes($text);
        $emailBody .= $text;
        $emailBody .= "\n\n";
    }

if (!empty($anonymous)) {
        $text      = get_option('dgx_donate_email_anon');
        $text      = stripslashes($text);
        $emailBody .= $text;
        $emailBody .= "\n\n";
    }

if (!empty($mailingListJoin)) {
        $text      = get_option('dgx_donate_email_list');
        $text      = stripslashes($text);
        $emailBody .= $text;
        $emailBody .= "\n\n";
    }

if (!empty($tribute)) {
        $text      = get_option('dgx_donate_email_trib');
        $text      = stripslashes($text);
        $emailBody .= $text;
        $emailBody .= "\n\n";
    }

if (!empty($employer_name)) {
        $text      = get_option('dgx_donate_email_empl');
        $text      = stripslashes($text);
        $emailBody .= $text;
        $emailBody .= "\n\n";
    }

$text      = get_option('dgx_donate_email_close');
    $text      = stripslashes($text);
    $emailBody .= $text;
    $emailBody .= "\n\n";

$text      = get_option('dgx_donate_email_sig');
    $text      = stripslashes($text);
    $emailBody .= $text;
    $emailBody .= "\n";

$header             = "From: ";
    $from_email_name    = get_option('dgx_donate_email_name');
    $from_email_address = get_option('dgx_donate_email_reply');
    if (empty($from_email_name)) {
        $header .= $from_email_address;
    } else {
        $header .= "\"" . $from_email_name . "\" <" . $from_email_address . ">\r\n";
    }

$emailBody = apply_filters('dgx_donate_thank_you_email_body', $emailBody);

$mail_sent = wp_mail($toEmail, $subject, $emailBody, $header);

if (!$mail_sent) {
        dgx_donate_debug_log("Error: Could NOT send mail.");
        dgx_donate_debug_log("Subject: $subject");
        dgx_donate_debug_log("To Email: $toEmail");
    }
}

/******************************************************************************************************/
function dgx_donate_send_donation_notification($donationID) {
    $fromEmail = get_option('dgx_donate_reply_email');
    $subject   = "[Seamless Donations] " . __('A donation has been received', 'seamless-donations');
    $body
               = __('A donation has been received.  Here are some details about the donation.',
            'seamless-donations') . "\n";
    $body      .= "\n";

$body       .= "Donor:\n";
    $firstName  = get_post_meta($donationID, '_dgx_donate_donor_first_name', true);
    $lastName   = get_post_meta($donationID, '_dgx_donate_donor_last_name', true);
    $address    = get_post_meta($donationID, '_dgx_donate_donor_address', true);
    $city       = get_post_meta($donationID, '_dgx_donate_donor_city', true);
    $state      = get_post_meta($donationID, '_dgx_donate_donor_state', true);
    $zip        = get_post_meta($donationID, '_dgx_donate_donor_zip', true);
    $donorEmail = get_post_meta($donationID, '_dgx_donate_donor_email', true);
    $body       .= "$firstName $lastName\n";
    $body       .= "$address\n";
    $body       .= "$city $state $zip\n";
    $body       .= "$donorEmail\n";
    $body       .= "\n";

$tributeGift = get_post_meta($donationID, '_dgx_donate_tribute_gift', true);
    if (!empty($tributeGift)) {
        $body .= __(
                'NOTE:  The donor is making this donation in honor of / in memory of someone.',
                'seamless-donations') .
            " ";
        $body .= __(
                'Please see the donation details (using the link below) for more information.',
                'seamless-donations') .
            "\n";
        $body .= "\n";
    }

$employer_match = get_post_meta($donationID, '_dgx_donate_employer_match', true);
    if (!empty($employer_match)) {
        $body .= __('NOTE:  The donor is making this donation with an employer match.', 'seamless-donations') . " ";
        $body .= __(
                'Please see the donation details (using the link below) for more information.',
                'seamless-donations') .
            "\n";
        $body .= "\n";
    }

$amount                  = get_post_meta($donationID, '_dgx_donate_amount', true);
    $currency_code           = dgx_donate_get_donation_currency_code($donationID);
    $formattedDonationAmount = dgx_donate_get_plain_formatted_amount($amount, 2, $currency_code, true);
    $body                    .= __('Donation:', 'seamless-donations') . "\n";
    $body                    .= __('Amount:', 'seamless-donations') . " $formattedDonationAmount\n";

$body .= "\n";
    $body .= __('Click on the following link to view all details for this donation:', 'seamless-donations') . "\n";

$sd4_mode = get_option('dgx_donate_start_in_sd4_mode');
    if ($sd4_mode == false) {
        $secureDonateLink = dgx_donate_get_donation_detail_link($donationID);
    } else {
        $secureDonateLink = seamless_donations_get_donation_detail_link($donationID);
    }

$donateLink = str_replace("https:", "http:", $secureDonateLink);
    $body       .= $donateLink;
    $body       .= "\n";

// Loop on addresses
    $notifyEmails  = get_option('dgx_donate_notify_emails');
    $notifyEmailAr = explode(',', $notifyEmails);

foreach ($notifyEmailAr as $notifyEmail) {
        $notifyEmail = trim($notifyEmail);
        if (!empty($notifyEmail)) {
            $headers = "From: $fromEmail\r\n";

$mail_sent = wp_mail($notifyEmail, $subject, $body, $headers);

if (!$mail_sent) {
                dgx_donate_debug_log("Error: Could NOT send mail.");
                dgx_donate_debug_log("Subject: $subject");
                dgx_donate_debug_log("To Email: $notifyEmail");
            }
        }
    }
}

function dgx_donate_init_session() {
    // Start a PHP session if none has been started yet
    // The means to test whether a session has been started varies by PHP version

if (!$session_already_started) {
        session_start();
    }
}