Limiter

limiter.class.php

<?php
defined('ABSPATH') or die(header('Location: https://www.google.com/'));
/* Limiter Settings Page */

class Limiter
{
	global $wpdb;
	global $limiter = $wpdb->prefix . 'limiter';

	public function __construct()
	{
		add_action('admin_menu', array(
			$this,
			'wpl_create_settings'
		));
		add_action('admin_init', array(
			$this,
			'wpl_setup_sections'
		));
		add_action('admin_init', array(
			$this,
			'wpl_setup_fields'
		));
		add_action('init', 'limiter_post_status');
		add_action('init', 'create_limiter_cpt', 0);
		add_action('init', 'create_limiter_tax');
		wpl_limiter_db();
	}

	private function wpl_limiter_db()
	{
		$limiter = $wpdb->prefix . "limiter";
		$urldefault = '<a href="#">~sample~</a>';
		$number = 1000;
		$idlimit = 100;
		$urllimit = 64;
		$default = 0;

		$charset_collate = $wpdb->get_charset_collate();

		$sql = "CREATE TABLE $limiter (
			id int(idlimit) NOT NULL AUTO_INCREMENT,
			timestamp datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
			limit smallint($number) DEFAULT '$default' NOT NULL,
			noofjoins smallint($number) DEFAULT '$default' NOT NULL,
			forurl varchar($urllimit) DEFAULT '$urldefault' NOT NULL,
			userids smallint($number) DEFAULT '$default' NOT NULL,
			instanceid smallint($number) DEFAULT '$default' NOT NULL,
			PRIMARY KEY (id)
			) $charset_collate;";

	}

	private function wpl_insert_data()
	{
		$limit = $_POST['limit']; //input from settings page
		$userids = 5; //get user's id on button click and pass it here
		$instanceid = 5; //get the instance id and pass it here
		$_Url = $_POST['url']; //sample

		$wpdb->update($limiter, array(
			'timestamp' => current_time('mysql'),
			'limit' => $limit,
			'userids' => $userids,
			'instanceid' => $instanceid,
			'forurl' => $_Url,
		));
	}

	public function wpl_limiter_post_status()
	{
		register_post_status('limiter', array(
			'label' => _x('limiter', 'lmtr'),
			'label_count' => _n_noop('limiter (%s)', 'limits (%s)', 'lmtr'),
			'public' => true,
			'internal' => true,
			'private' => true,
			'exclude_from_search' => false,
			'show_in_admin_all_list' => true,
			'show_in_admin_status_list' => true,
		));
	}
	// Register Taxonomy limiter
	// Taxonomy Key: limiter
	public function wpl_create_limiter_tax()
	{

		$labels = array(
			'name' => _x('lmts', 'taxonomy general name', 'lmtr'),
			'singular_name' => _x('limiter', 'taxonomy singular name', 'lmtr'),
			'search_items' => __('Search lmts', 'lmtr'),
			'all_items' => __('All lmts', 'lmtr'),
			'parent_item' => __('Parent limiter', 'lmtr'),
			'parent_item_colon' => __('Parent limiter:', 'lmtr'),
			'edit_item' => __('Edit limiter', 'lmtr'),
			'update_item' => __('Update limiter', 'lmtr'),
			'add_new_item' => __('Add New limiter', 'lmtr'),
			'new_item_name' => __('New limiter Name', 'lmtr'),
			'menu_name' => __('limiter', 'lmtr'),
		);
		$args = array(
			'labels' => $labels,
			'description' => __('Just another join function limiter', 'lmtr'),
			'hierarchical' => true,
			'public' => true,
			'publicly_queryable' => true,
			'show_ui' => true,
			'show_in_menu' => true,
			'show_in_nav_menus' => false,
			'show_in_rest' => false,
			'show_tagcloud' => true,
			'show_in_quick_edit' => true,
			'show_admin_column' => true,
		);
		register_taxonomy('limiter', array(
			'limiting',
		), $args);

	}
	// Register Custom Post Type limiter
	// Post Type Key: limiter
	public function wpl_create_limiter_cpt()
	{

		$labels = array(
			'name' => __('lmtrs', 'Post Type General Name', 'lmtr'),
			'singular_name' => __('limiter', 'Post Type Singular Name', 'lmtr'),
			'menu_name' => __('lmtrs', 'lmtr'),
			'name_admin_bar' => __('limiter', 'lmtr'),
			'archives' => __('limiter Archives', 'lmtr'),
			'attributes' => __('limiter Attributes', 'lmtr'),
			'parent_item_colon' => __('Parent limiter:', 'lmtr'),
			'all_items' => __('All lmtrs', 'lmtr'),
			'add_new_item' => __('Add New limiter', 'lmtr'),
			'add_new' => __('Add New', 'lmtr'),
			'new_item' => __('New limiter', 'lmtr'),
			'edit_item' => __('Edit limiter', 'lmtr'),
			'update_item' => __('Update limiter', 'lmtr'),
			'view_item' => __('View limiter', 'lmtr'),
			'view_items' => __('View lmtrs', 'lmtr'),
			'search_items' => __('Search limiter', 'lmtr'),
			'not_found' => __('Not found', 'lmtr'),
			'not_found_in_trash' => __('Not found in Trash', 'lmtr'),
			'featured_image' => __('Featured Image', 'lmtr'),
			'set_featured_image' => __('Set featured image', 'lmtr'),
			'remove_featured_image' => __('Remove featured image', 'lmtr'),
			'use_featured_image' => __('Use as featured image', 'lmtr'),
			'insert_into_item' => __('Insert into limiter', 'lmtr'),
			'uploaded_to_this_item' => __('Uploaded to this limiter', 'lmtr'),
			'items_list' => __('lmtrs list', 'lmtr'),
			'items_list_navigation' => __('lmtrs list navigation', 'lmtr'),
			'filter_items_list' => __('Filter lmtrs list', 'lmtr'),
		);
		$args = array(
			'label' => __('limiter', 'lmtr'),
			'description' => __('Just another join function limiter', 'lmtr'),
			'labels' => $labels,
			'menu_icon' => 'dashicons-admin-generic',
			'supports' => array(
				'title',
				'editor',
				'thumbnail',
				'revisions',
				'author',
				'comments',
				'page-attributes',
			),
			'taxonomies' => array(
				'limiter',
			),
			'public' => true,
			'show_ui' => true,
			'show_in_menu' => false,
			'menu_position' => 5,
			'show_in_admin_bar' => false,
			'show_in_nav_menus' => false,
			'can_export' => false,
			'has_archive' => true,
			'hierarchical' => true,
			'exclude_from_search' => false,
			'show_in_rest' => false,
			'publicly_queryable' => true,
			'capability_type' => 'post',
		);
		register_post_type('limiter', $args);

	}

	public function wpl_settings_content()
	{
		echo '<div class="wrap"><h1>Limiter</h1>';
		printf(settings_errors());
		echo '<form action="" method="POST">';
		printf(settings_fields('limiter'), do_settings_sections('limiter'), submit_button());
		echo '</form></div>';
	}

	public function wpl_create_settings()
	{
		$page_title = 'Button Limiter';
		$menu_title = 'Limiter';
		$capability = 'manage_links';
		$slug = 'limiter';
		$callback = array(
			$this,
			'wpl_settings_content'
		);
		add_management_page($page_title, $menu_title, $capability, $slug, $callback);
	}

	public function wpl_setup_sections()
	{
		add_settings_section('limiter_section', 'Just another join function limiter', array(), 'limiter');
	}

	public function wpl_setup_fields()
	{
		$fields = array(
			array(
				'label' => 'Join button limiter',
				'lmtrin' => 'lmtrinput',
				'id' => '#limiter',
				'type' => 'number',
				'section' => 'limiter_section',
				'desc' => 'This will limit the number of people who can click the button. If there are already 5 for example of people have joined, since the limit is 5, no one can now join and the button is disabled.',
				'placeholder' => '1-10000',
			),
		);
		foreach ($fields as $field)
		{
			add_settings_field($field['id'], $field['label'], array(
				$this,
				'wpl_field_callback'
			), 'limiter', $field['section'], $field);
			register_setting('limiter', $field['id']);
		}
	}

	public function wpl_field_callback($field)
	{
		$value = get_option($field['id']);
		switch ($field['type'])
		{
			default:
				printf('<input name="%1$s" id="%2$s" type="%3$s" placeholder="%4$s" value="%5$s" />', $field['lmtrin'], $field['id'], $field['type'], $field['placeholder'], $value);
		}
		if ($desc = $field['desc'])
		{
			printf('<p class="description">%s </p>', $desc);
		}
		if(isset($_POST['lmtrin']))
		{
			$lmtronset = $_POST['lmtrin'];
			//$wpdb->query($wpdb->prepare( //maybe?
			$wpdb->update($limiter, array(
			"UPDATE $wpdb->prefix . 'limiter' 
			SET limit = $lmtronset"
			));
		}
	}

}

//idunno if this works
new Limiter;
$source = $wpdb->prefix . "limiter";
$joins = $wpdb->get_results("SELECT noofjoins FROM $source");
$limit_r = $wpdb->get_results("SELECT limit FROM $source");

echo '<p>' . $joins . '/' . $limit_r . '</p>';
if (!empty($joins) || $joins < $limit_r)
{
	//keep the button enabled
	echo '<a href="">Join!</a>';
}
else if ($joins === $limit_r)
{
	//add disable property to the button and remove the link [href]
	echo '<a href="" disabled>Join!</a>';
	
}
//todo get post data $instanceId and $userids and $url using get_post()
//todo experiment and connect the dots