blog-base.php

<?php
/*
 Blog Post by Jack Siro
 https://github.com/JacksiroKe/q2a-blog-post
 Description: Basic and Database functions for the blog post plugin
 */

if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
	header('Location: ../../../');
	exit;
}

function bp_p_path_html($permalink, $absolute = false, $showtype = null, $showid = null)
{
	return qa_html(bp_p_path($permalink, $absolute, $showtype, $showid));
}

function bp_p_path($permalink, $absolute = false, $showtype = null, $showid = null)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	if (($showtype == 'P' || $showtype == 'C') && isset($showid)) {
		$params = array('show' => $showid); // due to pagination
		$anchor = qa_anchor($showtype, $showid);

	}
	else {
		$params = null;
		$anchor = null;
	}

	return qa_path(bp_p_request($permalink), $params, $absolute ? qa_opt('site_url') : null, null, $anchor);
}


function bp_p_request($permalink)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	require_once QA_INCLUDE_DIR . 'app/options.php';
	require_once QA_INCLUDE_DIR . 'util/string.php';

	return 'blog/' . $permalink;
}

function bp_cat_path($navcategories, $catid)
{
	$upcategories = array();

	for ($upcategory = @$navcategories[$catid]; isset($upcategory); $upcategory = @$navcategories[$upcategory['parentid']])
		$upcategories[$upcategory['catid']] = $upcategory;

	return array_reverse($upcategories, true);
}

function bp_cat_path_html($navcategories, $catid)
{
	$blog_cats = bp_cat_path($navcategories, $catid);

	$html = '';
	foreach ($blog_cats as $category)
		$html .= (strlen($html) ? ' / ' : '') . qa_html($category['title']);

	return $html;
}

function bp_cat_path_request($navcategories, $catid)
{
	$blog_cats = bp_cat_path($navcategories, $catid);

	$request = '';
	foreach ($blog_cats as $category)
		$request .= (strlen($request) ? '/' : '') . $category['tags'];

	return $request;
}

function bp_permit_options()
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	$permits = array('bp_permit_view_p_page', 'bp_permit_post_p', 'bp_permit_post_c', 'bp_permit_vote', 'bp_permit_flag', 'bp_permit_moderate', 'bp_permit_hide_show', 'bp_permit_delete_hidden');

	return $permits;
}

function bp_user_maximum_permit_error($permitoption, $limitaction = null, $checkblocks = true)
{
	return bp_user_permit_error($permitoption, $limitaction, qa_user_level_maximum(), $checkblocks);
}

function bp_user_permit_error($permitoption = null, $limitaction = null, $userlevel = null, $checkblocks = true, $userfields = null)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	require_once QA_INCLUDE_DIR . 'app/limits.php';

	if (!isset($userfields))
		$userfields = qa_get_logged_in_user_cache();

	$userid = isset($userfields['userid']) ? $userfields['userid'] : null;

	if (!isset($userlevel))
		$userlevel = isset($userfields['level']) ? $userfields['level'] : null;

	$flags = isset($userfields['flags']) ? $userfields['flags'] : null;
	if (!$checkblocks)
		$flags &= ~QA_USER_FLAGS_USER_BLOCKED;

	$error = qa_permit_error($permitoption, $userid, $userlevel, $flags);

	if ($checkblocks && !$error && qa_is_ip_blocked())
		$error = 'ipblock';

	if (!$error && isset($userid) && ($flags & QA_USER_FLAGS_MUST_CONFIRM) && qa_opt('confirm_user_emails'))
		$error = 'confirm';

	if (isset($limitaction) && !$error) {
		if (bp_user_limits_remaining($limitaction) <= 0)
			$error = 'limit';
	}

	return $error;
}

function bp_user_limits_remaining($action)
{
	$userlimits = qa_db_get_pending_result('userlimits', qa_db_user_limits_selectspec(qa_get_logged_in_userid()));
	$iplimits = qa_db_get_pending_result('iplimits', qa_db_ip_limits_selectspec(qa_remote_ip_address()));

	return bp_limits_calc_remaining($action, @$userlimits[$action], @$iplimits[$action]);
}


function bp_limits_calc_remaining($action, $userlimits, $iplimits)
{
	switch ($action) {
		case QA_LIMIT_BLOG_POSTS:
			$usermax = qa_opt('bp_max_rate_user_ps');
			$ipmax = qa_opt('bp_max_rate_ip_ps');
			break;

		case QA_LIMIT_BLOG_COMMENTS:
			$usermax = qa_opt('bp_max_rate_user_cs');
			$ipmax = qa_opt('bp_max_rate_ip_cs');
			break;
		default:
			qa_fatal_error('Unknown limit code in qa_limits_calc_remaining: ' . $action);
			break;
	}

	$period = (int)(qa_opt('db_time') / 3600);

	return max(0, min(
		$usermax - (@$userlimits['period'] == $period ? $userlimits['count'] : 0),
		$ipmax - (@$iplimits['period'] == $period ? $iplimits['count'] : 0)
	));
}

function bp_default_option($name)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	$fixed_defaults = array(
		'bp_avatar_p_page_c_size' => 20,
		'bp_avatar_p_page_p_size' => 50,
		'bp_do_write_check_ps' => 0,
		'bp_blog_feed' => 1,
		'bp_feed_for_articles' => 1,
		'bp_match_write_check_ps' => 3,
		'bp_match_related_ps' => 3,
		'bp_max_len_p_title' => 120,
		'bp_min_len_c_content' => 12,
		'bp_min_len_p_content' => 0,
		'bp_min_len_p_title' => 12,
		'bp_permit_close_p' => QA_PERMIT_EDITORS,
		'bp_permit_delete_hidden' => QA_PERMIT_MODERATORS,
		'bp_permit_edit_c' => QA_PERMIT_EDITORS,
		'bp_permit_edit_p' => QA_PERMIT_EDITORS,
		'bp_permit_edit_silent' => QA_PERMIT_MODERATORS,
		'bp_permit_flag' => QA_PERMIT_CONFIRMED,
		'bp_permit_hide_show' => QA_PERMIT_EDITORS,
		'bp_permit_moderate' => QA_PERMIT_EXPERTS,
		'bp_permit_view_p_page' => QA_PERMIT_ALL,
		'bp_points_post_p' => 2,
	);
	if (isset($fixed_defaults[$name]))
		return $fixed_defaults[$name];

	switch ($name) {
		case 'bp_blog_editor':
			require_once QA_INCLUDE_DIR . 'app/format.php';
			$value = '-'; // to match none by default, i.e. choose based on who is best at editing HTML
			qa_load_editor('', 'html', $value);
			break;

		case 'bp_permit_post_p': // convert from deprecated option if available
			$value = qa_opt('bp_write_needs_login') ? QA_PERMIT_USERS : QA_PERMIT_ALL;
			break;

		case 'bp_permit_post_c': // convert from deprecated option if available
			$value = qa_opt('bp_comment_needs_login') ? QA_PERMIT_USERS : QA_PERMIT_ALL;
			break;

		default: // call option_default method in any registered modules
			$modules = qa_load_all_modules_with('option_default'); // Loads all modules with the 'option_default' method

			foreach ($modules as $module) {
				$value = $module->option_default($name);
				if (strlen($value))
					return $value;
			}

			$value = '';
			break;
	}

	return $value;
}

function bp_reset_options($names)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	foreach ($names as $name) {
		qa_set_option($name, bp_default_option($name));
	}
}

function bp_get_options($names)
{
	global $qa_options_cache, $qa_options_loaded;
	$options = array();
	foreach ($names as $name) {
		if (!isset($qa_options_cache[$name])) {
			$todatabase = true;

			switch ($name) {
				case 'bp_write_needs_login':
				case 'bp_comment_needs_login':
					$todatabase = false;
					break;
			}

			qa_set_option($name, bp_default_option($name), $todatabase);
		}
		$options[$name] = $qa_options_cache[$name];
	}
	return $options;
}

function bp_cat_navigation($categories, $selectedid = null, $pathprefix = '', $showpcount = true, $pathparams = null)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	$parentcategories = array();

	foreach ($categories as $category)
		$parentcategories[$category['parentid']][] = $category;

	$selecteds = bp_cat_path($categories, $selectedid);
	//$favoritemap = qa_get_favorite_non_ps_map();

	return bp_cat_navigation_sub($parentcategories, null, $selecteds, $pathprefix, $showpcount, $pathparams, null); //$favoritemap);
}

function bp_cat_navigation_sub($parentcategories, $parentid, $selecteds, $pathprefix, $showpcount, $pathparams, $favoritemap = null)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	$navigation = array();

	if (!isset($parentid)) {
		$navigation['all'] = array(
			'url' => qa_path_html($pathprefix, $pathparams),
			'label' => qa_lang_html('main/all_categories'),
			'selected' => !count($selecteds),
			'catid' => null,
		);
	}

	if (isset($parentcategories[$parentid])) {
		foreach ($parentcategories[$parentid] as $category) {
			$navigation[qa_html($category['tags'])] = array(
				'url' => qa_path_html($pathprefix . $category['tags'], $pathparams),
				'label' => qa_html($category['title']),
				'popup' => qa_html(@$category['content']),
				'selected' => isset($selecteds[$category['catid']]),
				'note' => $showpcount ? ('(' . qa_html(qa_format_number($category['pcount'], 0, true)) . ')') : null,
				'subnav' => bp_cat_navigation_sub($parentcategories, $category['catid'], $selecteds,
				$pathprefix . $category['tags'] . '/', $showpcount, $pathparams, $favoritemap),
				'catid' => $category['catid'],
				'favorited' => @$favoritemap['blogcat'][$category['backpath']],
			);
		}
	}
	return $navigation;
}

function bp_sub_navigation($request, $blog_cats)
{
	$bp_request = 'blog';
	$navigation = array();
	$navigation['all'] = array(
		'label' => qa_lang('bp_lang/nav_all'),
		'url' => qa_path_html('blog'),
		'selected' => ($request == 'blog') ? 'selected' : '',
	);
	foreach ($blog_cats as $blogcat) {
		$navigation[$blogcat['tags']] = array(
			'label' => $blogcat['title'],
			'url' => qa_path_html('blog/' . $blogcat['tags']),
			'selected' => ($request == 'blog' . $blogcat['tags']) ? 'selected' : '',
		);
	}

	//if (qa_user_maximum_permit_error('bp_permit_post_p') != 'level') {
	if (qa_is_logged_in()) {
		$navigation['write'] = array(
			'label' => qa_lang('bp_lang/nav_post'),
			'url' => qa_path_html('blog/write'),
			'selected' => ($request == 'blog/write') ? 'selected' : '',
		);
	}

	return $navigation;
}

function bp_html_suggest_ps_tags($usingtags = false, $categoryrequest = null)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	$hascategory = strlen($categoryrequest);

	$htmlmessage = $hascategory ? qa_lang_html('bp_lang/suggest_category_qs') :
		($usingtags ? qa_lang_html('bp_lang/suggest_ps_tags') : qa_lang_html('bp_lang/suggest_ps'));

	return strtr(
		$htmlmessage,

		array(
		'^1' => '<a href="' . qa_path_html('blog' . ($hascategory ? ('/' . $categoryrequest) : '')) . '">',
		'^2' => '</a>',
		'^3' => '<a href="' . qa_path_html('tags') . '">',
		'^4' => '</a>',
	)
	);
}

function bp_html_suggest_write($catid = null)
{
	if (qa_to_override(__FUNCTION__)) {
		$args = func_get_args();
		return qa_call_override(__FUNCTION__, $args);
	}

	$htmlmessage = qa_lang_html('bp_lang/suggest_write');

	return strtr(
		$htmlmessage,

		array(
		'^1' => '<a href="' . qa_path_html('blog/write', strlen($catid) ? array('blogcat' => $catid) : null) . '">',
		'^2' => '</a>',
	)
	);
}

function bp_post_create($userid, $handle, $cookieid, $title, $content, $permalink, $format, $text, $tagstring, $notify, $email, $catid = null, $extravalue = null, $queued = false, $name = null)
{
	require_once QA_INCLUDE_DIR . 'db/selects.php';
	$postid = bp_db_post_create($queued ? 'P_QUEUED' : 'P', $userid, isset($userid) ? null : $cookieid,
		qa_remote_ip_address(), $title, $content, $permalink, $format, $tagstring, qa_combine_notify_email($userid, $notify, $email), $catid, isset($userid) ? null : $name);

	//$blogusers = bp_db_user_find_by_handle($userid);
	//if (!count($blogusers)) bp_db_user_create($userid);
	//else
	//if ($queued) qa_db_bqueuedcount_update();
	//else bp_update_counts_for_p($postid);
	return $postid;
}

function bp_post_update($oldpost, $userid, $title, $permalink, $content, $format, $text, $tagstring, $notify, $email, $catid = null, $extravalue = null, $queued = false, $name = null)
{
	$titlechanged = strcmp($oldpost['title'], $title) !== 0;
	$contentchanged = strcmp($oldpost['content'], $content) !== 0 || strcmp($oldpost['format'], $format) !== 0;
	$tagschanged = strcmp($oldpost['tags'], $tagstring) !== 0;
	$setupdated = ($titlechanged || $contentchanged || $tagschanged);

	bp_db_post_update($oldpost['postid'], $title, $permalink, $content, $format, $tagstring, $catid, $notify, $userid, qa_remote_ip_address(), $name);
}

function bp_post_hide($articleid, $userid)
{
	bp_db_post_hide($articleid, 'P_HIDDEN', $userid, qa_remote_ip_address());
}

function bp_post_delete($articleid)
{
	bp_db_post_delete($articleid);
}

function bp_update_counts_for_p($postid)
{
	bp_db_cat_path_pcount_update(bp_db_post_get_cat_path($postid));
	bp_db_bpcount_update();
}

/*
 Omit PHP closing tag to help avoid accidental output */