added dates functions for prof card

plugins/cipf_plugin/php/profs_dates.php

@@ -0,0 +1,165 @@
+<?php
+
+/*
+* it means someone outside wp is accessing the file, in this case kill it.
+*/
+if (!defined('ABSPATH')) {
+	die('You can not access this file!');
+}
+
+
+
+
+
+/*
+* returns the date limit as a DateTime object
+* or false if not set
+*
+*/
+function get_date_limit_CIPF($user_id = null) {
+	PLGNTLS_class::debug_infos();
+	$acf_card_expiration = PLGNTLS_class::ACF_CARD_EXPIRATION;
+
+	/*
+	* define ids
+	*
+	*/
+	if (is_null($user_id)) {
+		$user_id = get_current_user_id();
+	}
+	$acf_id = 'user_'.$user_id;
+
+	/*
+	* get acf date field
+	*
+	*/
+	$date_now = date_create('today');
+	$current_date_limit_object = get_field_object($acf_card_expiration['_name'], $acf_id);
+	if ($current_date_limit_object === false) {
+		return false;
+	}
+	else if (empty($current_date_limit_object['value'])) {
+		return false;
+	}
+
+	/*
+	* create date object from acf date
+	*
+	*/
+	$current_date_limit_string = $current_date_limit_object['value'];
+	$current_format_field = $current_date_limit_object['return_format'];
+	// compare 2 dates : https://stackoverflow.com/q/8722806/9497573
+	// also I dont use strtotime to compare 2 ints,
+	//   because i don't know if it will fail one day (2000y bug style)
+	$current_date_limit = date_create_from_format($current_format_field, $current_date_limit_string);
+	if ($current_date_limit === false) {
+		return false;
+	}
+
+	/*
+	* returns the date object
+	*
+	*/
+	return $current_date_limit;
+}
+
+
+
+
+/*
+* returns the diff in days between today and the expiration date of the card
+* returns false if the expiration date field is empty
+*
+*/
+function card_date_diff_CIPF($user_id = null) {
+	PLGNTLS_class::debug_infos();
+
+	/*
+	* get date limit as DateTime object
+	*
+	*/
+	$current_date_limit = get_date_limit_CIPF();
+	if ($current_date_limit === false) {
+		return false;
+	}
+
+	/*
+	* returns diff in days
+	*
+	*/
+	$date_diff = date_diff($date_now, $current_date_limit);
+	return (int)$date_diff->format('%R%a');
+}
+
+
+
+
+/*
+* returns true if date is in paste or is empty
+*
+*/
+function is_card_date_expired_CIPF($user_id = null) {
+	PLGNTLS_class::debug_infos();
+
+	/*
+	* define user_id
+	*
+	*/
+	if (is_null($user_id)) {
+		$user_id = get_current_user_id();
+	}
+
+	/*
+	* check if expired
+	*
+	*/
+	$date_diff = card_date_diff_CIPF($user_id);
+	if ($date_diff === false) {
+		return true;
+	}
+	else if ($date_diff < 0) {
+		return true;
+	}
+	return false;
+}
+
+
+
+
+
+function update_card_expiration_CIPF($user_id = null, $card_duration = '0') {
+	PLGNTLS_class::debug_infos();
+	$acf_card_expiration = PLGNTLS_class::ACF_CARD_EXPIRATION;
+
+	/*
+	* define acf id and acf date format
+	*
+	*/
+	if (is_null($user_id)) {
+		$user_id = get_current_user_id();
+	}
+	$acf_id = 'user_'.$user_id;
+	$acf_date_format = 'Y-m-d H:i:s';
+
+	/*
+	* get date limit as DateTime object
+	*
+	*/
+	$current_date_limit = get_date_limit_CIPF();
+	if ($current_date_limit === false) {
+		return false;
+	}
+
+	/*
+	* update date limit validity to add 1 year
+	*
+	*/
+	$date_plus_one_year = $current_date_limit->add(date_interval_create_from_date_string('+'.$card_duration));
+	update_field($acf_card_expiration['_name'], $date_plus_one_year->format($acf_date_format), $acf_id);
+}
+
+
+
+
+
+?>