Set up pagination for favorite questions, users and tags

qa-include/qa-lang-misc.php

@@ -67,6 +67,9 @@
 		'message_must_login' => 'Please ^1log in^2 or ^3register^4 to send private messages.',
 		'message_recent_history' => 'Recent correspondence with ^',
 		'message_sent' => 'Your private message below was sent',
+		'more_favorite_qs' => 'More favorite questions...',
+		'more_favorite_tags' => 'More favorite tags...',
+		'more_favorite_users' => 'More favorite users...',
 		'my_favorites_title' => 'My favorites',
 		'nav_all_my_updates' => 'All my updates',
 		'nav_my_content' => 'My content',

qa-include/qa-page-favorites-list.php

+<?php
+
+/*
+	Question2Answer (c) Gideon Greenspan
+
+	http://www.question2answer.org/
+
+
+	File: qa-include/qa-page-favorites.php
+	Version: See define()s at top of qa-include/qa-base.php
+	Description: Controller for sub-page listing user's favorites of a certain type
+
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation; either version 2
+	of the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	More about this license: http://www.question2answer.org/license.php
+*/
+
+	if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
+		header('Location: ../');
+		exit;
+	}
+
+	require_once QA_INCLUDE_DIR.'qa-db-selects.php';
+	require_once QA_INCLUDE_DIR.'qa-app-format.php';
+	require_once QA_INCLUDE_DIR.'qa-app-favorites.php';
+
+
+//	Data for functions to run
+	$favswitch = array(
+		'questions' => array(
+			'page_opt' => 'page_size_qs',
+			'fn_spec' => 'qa_db_user_favorite_qs_selectspec',
+			'fn_view' => 'qa_favorite_q_list_view',
+			'key' => 'q_list',
+		),
+		'users' => array(
+			'page_opt' => 'page_size_users',
+			'fn_spec' => 'qa_db_user_favorite_users_selectspec',
+			'fn_view' => 'qa_favorite_users_view',
+			'key' => 'ranking_users',
+		),
+		'tags' => array(
+			'page_opt' => 'page_size_tags',
+			'fn_spec' => 'qa_db_user_favorite_tags_selectspec',
+			'fn_view' => 'qa_favorite_tags_view',
+			'key' => 'ranking_tags',
+		),
+	);
+
+
+//	Check that we're logged in
+
+	$userid = qa_get_logged_in_userid();
+
+	if (!isset($userid))
+		qa_redirect('login');
+
+
+//	Get lists of favorites of this type
+
+	$favtype = qa_request_part(1);
+	$start = qa_get_start();
+
+	if (!array_key_exists($favtype, $favswitch) || ($favtype === 'users' && QA_FINAL_EXTERNAL_USERS))
+		return include QA_INCLUDE_DIR.'qa-page-not-found.php';
+
+	extract($favswitch[$favtype]); // get switch variables
+
+	$pagesize = qa_opt($page_opt);
+	$items = qa_db_select_with_pending(
+		$fn_spec($userid, $pagesize, $start)
+	);
+	$usershtml = qa_userids_handles_html($items);
+
+
+//	Prepare and return content for theme
+
+	$qa_content = qa_content_prepare(true);
+
+	$qa_content['title'] = qa_lang_html('misc/my_favorites_title');
+
+	$qa_content[$key] = $fn_view($items, $usershtml);
+
+
+//	Sub navigation for account pages and suggestion
+
+	$qa_content['suggest_next'] = qa_lang_html_sub('misc/suggest_favorites_add', '<span class="qa-favorite-image">&nbsp;</span>');
+
+	$qa_content['page_links'] = qa_html_page_links(qa_request(), $start, $pagesize, 100, qa_opt('pages_prev_next'));
+
+	$qa_content['navigation']['sub'] = qa_user_sub_navigation(qa_get_logged_in_handle(), 'favorites', true);
+
+
+	return $qa_content;
+
+
+/*
+	Omit PHP closing tag to help avoid accidental output
+*/
\ No newline at end of file

qa-include/qa-page-favorites.php

@@ -44,10 +44,14 @@
 
 //	Get lists of favorites for this user
 
+	$pagesize_qs = qa_opt('page_size_qs');
+	$pagesize_users = qa_opt('page_size_users');
+	$pagesize_tags = qa_opt('page_size_tags');
+
 	list($questions, $users, $tags, $categories) = qa_db_select_with_pending(
-		qa_db_user_favorite_qs_selectspec($userid),
-		QA_FINAL_EXTERNAL_USERS ? null : qa_db_user_favorite_users_selectspec($userid),
-		qa_db_user_favorite_tags_selectspec($userid),
+		qa_db_user_favorite_qs_selectspec($userid, $pagesize_qs),
+		QA_FINAL_EXTERNAL_USERS ? null : qa_db_user_favorite_users_selectspec($userid, $pagesize_users),
+		qa_db_user_favorite_tags_selectspec($userid, $pagesize_tags),
 		qa_db_user_favorite_categories_selectspec($userid)
 	);
 
@@ -65,6 +69,8 @@
 
 	$qa_content['q_list'] = qa_favorite_q_list_view($questions, $usershtml);
 	$qa_content['q_list']['title'] = count($questions) ? qa_lang_html('main/nav_qs') : qa_lang_html('misc/no_favorite_qs');
+	$url = qa_path_html('favorites/questions', array('start'=>$pagesize_qs));
+	$qa_content['q_list']['footer'] = '<p class="qa-link-next"><a href="'.$url.'">'.qa_lang_html('misc/more_favorite_qs').'</a></p>';
 
 
 //	Favorite users
@@ -72,6 +78,8 @@
 	if (!QA_FINAL_EXTERNAL_USERS) {
 		$qa_content['ranking_users'] = qa_favorite_users_view($users, $usershtml);
 		$qa_content['ranking_users']['title'] = count($users) ? qa_lang_html('main/nav_users') : qa_lang_html('misc/no_favorite_users');
+		$url = qa_path_html('favorites/users', array('start'=>$pagesize_users));
+		$qa_content['ranking_users']['footer'] = '<p class="qa-link-next"><a href="'.$url.'">'.qa_lang_html('misc/more_favorite_users').'</a></p>';
 	}
 
 
@@ -80,10 +88,12 @@
 	if (qa_using_tags()) {
 		$qa_content['ranking_tags'] = qa_favorite_tags_view($tags);
 		$qa_content['ranking_tags']['title'] = count($tags) ? qa_lang_html('main/nav_tags') : qa_lang_html('misc/no_favorite_tags');
+		$url = qa_path_html('favorites/tags', array('start'=>$pagesize_tags));
+		$qa_content['ranking_tags']['footer'] = '<p class="qa-link-next"><a href="'.$url.'">'.qa_lang_html('misc/more_favorite_tags').'</a></p>';
 	}
 
 
-//	Favorite categories
+//	Favorite categories (no pagination)
 
 	if (qa_using_categories()) {
 		$qa_content['nav_list_categories'] = qa_favorite_categories_view($categories);

qa-include/qa-page.php

@@ -417,6 +417,9 @@
 			'comments/' => 'qa-page-comments.php',
 			'confirm' => 'qa-page-confirm.php',
 			'favorites' => 'qa-page-favorites.php',
+			'favorites/questions' => 'qa-page-favorites-list.php',
+			'favorites/users' => 'qa-page-favorites-list.php',
+			'favorites/tags' => 'qa-page-favorites-list.php',
 			'feedback' => 'qa-page-feedback.php',
 			'forgot' => 'qa-page-forgot.php',
 			'hot/' => 'qa-page-hot.php',