functions_post.php

这是php编的论坛的原代码

			if (!($result = $db->sql_query($sql)))
			{
				message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
			}

			if ($row = $db->sql_fetchrow($result))
			{
				$topic_update_sql .= 'topic_replies = topic_replies - 1, topic_first_post_id = ' . $row['first_post_id'];
			}
		}
		else
		{
			$topic_update_sql .= 'topic_replies = topic_replies - 1';
		}
	}
	else if ($mode != 'poll_delete')
	{
		$forum_update_sql .= ", forum_last_post_id = $post_id" . (($mode == 'newtopic') ? ", forum_topics = forum_topics $sign" : ""); 
		$topic_update_sql = "topic_last_post_id = $post_id" . (($mode == 'reply') ? ", topic_replies = topic_replies $sign" : ", topic_first_post_id = $post_id");
	}
	else 
	{
		$topic_update_sql .= 'topic_vote = 0';
	}

	$sql = "UPDATE " . FORUMS_TABLE . " SET 
		$forum_update_sql 
		WHERE forum_id = $forum_id";
	if (!$db->sql_query($sql))
	{
		message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
	}

	if ($topic_update_sql != '')
	{
		$sql = "UPDATE " . TOPICS_TABLE . " SET 
			$topic_update_sql 
			WHERE topic_id = $topic_id";
		if (!$db->sql_query($sql))
		{
			message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
		}
	}

	if ($mode != 'poll_delete')
	{
		$sql = "UPDATE " . USERS_TABLE . "
			SET user_posts = user_posts $sign 
			WHERE user_id = $user_id";
		if (!$db->sql_query($sql, END_TRANSACTION))
		{
			message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
		}
	}

	return;
}

//
// Delete a post/poll
//
function delete_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id)
{
	global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
	global $userdata, $user_ip;

	if ($mode != 'poll_delete')
	{
		include($phpbb_root_path . 'includes/functions_search.'.$phpEx);

		$sql = "DELETE FROM " . POSTS_TABLE . " 
			WHERE post_id = $post_id";
		if (!$db->sql_query($sql))
		{
			message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
		}

		$sql = "DELETE FROM " . POSTS_TEXT_TABLE . " 
			WHERE post_id = $post_id";
		if (!$db->sql_query($sql))
		{
			message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
		}

		if ($post_data['last_post'])
		{
			if ($post_data['first_post'])
			{
				$forum_update_sql .= ', forum_topics = forum_topics - 1';
				$sql = "DELETE FROM " . TOPICS_TABLE . " 
					WHERE topic_id = $topic_id 
						OR topic_moved_id = $topic_id";
				if (!$db->sql_query($sql))
				{
					message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
				}

				$sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
					WHERE topic_id = $topic_id";
				if (!$db->sql_query($sql))
				{
					message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
				}
			}
		}

		remove_search_post($post_id);
	}

	if ($mode == 'poll_delete' || ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post']) && $post_data['has_poll'] && $post_data['edit_poll'])
	{
		$sql = "DELETE FROM " . VOTE_DESC_TABLE . " 
			WHERE topic_id = $topic_id";
		if (!$db->sql_query($sql))
		{
			message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
		}

		$sql = "DELETE FROM " . VOTE_RESULTS_TABLE . " 
			WHERE vote_id = $poll_id";
		if (!$db->sql_query($sql))
		{
			message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
		}

		$sql = "DELETE FROM " . VOTE_USERS_TABLE . " 
			WHERE vote_id = $poll_id";
		if (!$db->sql_query($sql))
		{
			message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
		}
	}

	if ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post'])
	{
		$meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . '=' . $forum_id) . '">';
		$message = $lang['Deleted'];
	}
	else
	{
		$meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . '=' . $topic_id) . '">';
		$message = (($mode == 'poll_delete') ? $lang['Poll_delete'] : $lang['Deleted']) . '<br /><br />' . sprintf($lang['Click_return_topic'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id") . '">', '</a>');
	}

	$message .=  '<br /><br />' . sprintf($lang['Click_return_forum'], '<a href="' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id") . '">', '</a>');

	return;
}

//
// Handle user notification on new post
//
function user_notification($mode, &$post_data, &$topic_title, &$forum_id, &$topic_id, &$post_id, &$notify_user)
{
	global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
	global $userdata, $user_ip;

	$current_time = time();

	if ($mode == 'delete')
	{
		$delete_sql = (!$post_data['first_post'] && !$post_data['last_post']) ? " AND user_id = " . $userdata['user_id'] : '';
		$sql = "DELETE FROM " . TOPICS_WATCH_TABLE . " WHERE topic_id = $topic_id" . $delete_sql;
		if (!$db->sql_query($sql))
		{
			message_die(GENERAL_ERROR, 'Could not change topic notify data', '', __LINE__, __FILE__, $sql);
		}
	}
	else 
	{
		if ($mode == 'reply')
		{
			$sql = "SELECT ban_userid 
				FROM " . BANLIST_TABLE;
			if (!($result = $db->sql_query($sql)))
			{
				message_die(GENERAL_ERROR, 'Could not obtain banlist', '', __LINE__, __FILE__, $sql);
			}

			$user_id_sql = '';
			while ($row = $db->sql_fetchrow($result))
			{
				if (isset($row['ban_userid']))
				{
					$user_id_sql = ', ' . $row['ban_userid'];
				}
			}

			$sql = "SELECT u.user_id, u.user_email, u.user_lang 
				FROM " . TOPICS_WATCH_TABLE . " tw, " . USERS_TABLE . " u 
				WHERE tw.topic_id = $topic_id 
					AND tw.user_id NOT IN (" . $userdata['user_id'] . ", " . ANONYMOUS . $user_id_sql . ") 
					AND tw.notify_status = " . TOPIC_WATCH_UN_NOTIFIED . " 
					AND u.user_id = tw.user_id";
			if (!($result = $db->sql_query($sql)))
			{
				message_die(GENERAL_ERROR, 'Could not obtain list of topic watchers', '', __LINE__, __FILE__, $sql);
			}

			$update_watched_sql = '';
			$bcc_list_ary = array();
			if ($row = $db->sql_fetchrow($result))
			{
				// Sixty second limit
				@set_time_limit(60);

				do
				{
					if ($row['user_email'] != '')
					{
						$bcc_list_ary[$row['user_lang']] .= (($bcc_list_ary[$row['user_lang']] != '') ? ', ' : '') . $row['user_email'];
					}
					$update_watched_sql .= ($update_watched_sql != '') ? ', ' . $row['user_id'] : $row['user_id'];
				}
				while ($row = $db->sql_fetchrow($result));

				//
				// Let's do some checking to make sure that mass mail functions
				// are working in win32 versions of php.
				//
				if (preg_match('/[c-z]:\\\.*/i', getenv('PATH')) && !$board_config['smtp_delivery'])
				{
					$ini_val = (@phpversion() >= '4.0.0') ? 'ini_get' : 'get_cfg_var';

					// We are running on windows, force delivery to use our smtp functions
					// since php's are broken by default
					$board_config['smtp_delivery'] = 1;
					$board_config['smtp_host'] = @$ini_val('SMTP');
				}

				if (sizeof($bcc_list_ary))
				{
					include($phpbb_root_path . 'includes/emailer.'.$phpEx);
					$emailer = new emailer($board_config['smtp_delivery']);

					$orig_word = array();
					$replacement_word = array();
					obtain_word_list($orig_word, $replacement_word);

					$script_name = preg_replace('/^\/?(.*?)\/?$/', '\1', trim($board_config['script_path']));
					$script_name = ($script_name != '') ? $script_name . '/viewtopic.'.$phpEx : 'viewtopic.'.$phpEx;
					$server_name = trim($board_config['server_name']);
					$server_protocol = ($board_config['cookie_secure']) ? 'https://' : 'http://';
					$server_port = ($board_config['server_port'] <> 80) ? ':' . trim($board_config['server_port']) . '/' : '/';

					$email_headers = 'From: ' . $board_config['board_email'] . "\nReturn-Path: " . $board_config['board_email'] . "\n";

					$topic_title = (count($orig_word)) ? preg_replace($orig_word, $replacement_word, unprepare_message($topic_title)) : unprepare_message($topic_title);

					while (list($user_lang, $bcc_list) = each($bcc_list_ary))
					{
						$emailer->use_template('topic_notify', $user_lang);
						$emailer->email_address(' ');
						// The Topic_reply_notification lang string below will be used
						// if for some reason the mail template subject cannot be read 
						// ... note it will not necessarily be in the posters own language!
						$emailer->set_subject($lang['Topic_reply_notification']); 
						
						$emailer->extra_headers($email_headers . "Bcc: $bcc_list\n");

						// This is a nasty kludge to remove the username var ... till (if?)
						// translators update their templates
						$emailer->msg = preg_replace('#[ ]?{USERNAME}#', '', $emailer->msg);

						$emailer->assign_vars(array(
							'EMAIL_SIG' => (!empty($board_config['board_email_sig'])) ? str_replace('<br />', "\n", "-- \n" . $board_config['board_email_sig']) : '',
							'SITENAME' => $board_config['sitename'],
							'TOPIC_TITLE' => $topic_title, 

							'U_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '?' . POST_POST_URL . "=$post_id#$post_id",
							'U_STOP_WATCHING_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '?' . POST_TOPIC_URL . "=$topic_id&unwatch=topic")
						);

						$emailer->send();
						$emailer->reset();
					}
				}
			}
			$db->sql_freeresult($result);

			if ($update_watched_sql != '')
			{
				$sql = "UPDATE " . TOPICS_WATCH_TABLE . "
					SET notify_status = " . TOPIC_WATCH_NOTIFIED . "
					WHERE topic_id = $topic_id
						AND user_id IN ($update_watched_sql)";
				$db->sql_query($sql);
			}
		}

		$sql = "SELECT topic_id 
			FROM " . TOPICS_WATCH_TABLE . "
			WHERE topic_id = $topic_id
				AND user_id = " . $userdata['user_id'];
		if (!($result = $db->sql_query($sql)))
		{
			message_die(GENERAL_ERROR, 'Could not obtain topic watch information', '', __LINE__, __FILE__, $sql);
		}

		$row = $db->sql_fetchrow($result);

		if (!$notify_user && !empty($row['topic_id']))
		{
			$sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
				WHERE topic_id = $topic_id
					AND user_id = " . $userdata['user_id'];
			if (!$db->sql_query($sql))
			{
				message_die(GENERAL_ERROR, 'Could not delete topic watch information', '', __LINE__, __FILE__, $sql);
			}
		}
		else if ($notify_user && empty($row['topic_id']))
		{
			$sql = "INSERT INTO " . TOPICS_WATCH_TABLE . " (user_id, topic_id, notify_status)
				VALUES (" . $userdata['user_id'] . ", $topic_id, 0)";
			if (!$db->sql_query($sql))
			{
				message_die(GENERAL_ERROR, 'Could not insert topic watch information', '', __LINE__, __FILE__, $sql);
			}
		}
	}
}

//
// Fill smiley templates (or just the variables) with smileys
// Either in a window or inline
//
function generate_smilies($mode, $page_id)
{
	global $db, $board_config, $template, $lang, $images, $theme, $phpEx, $phpbb_root_path;
	global $user_ip, $session_length, $starttime;
	global $userdata;

	$inline_columns = 4;
	$inline_rows = 5;
	$window_columns = 8;

	if ($mode == 'window')
	{
		$userdata = session_pagestart($user_ip, $page_id);
		init_userprefs($userdata);

		$gen_simple_header = TRUE;

		$page_title = $lang['Review_topic'] . " - $topic_title";
		include($phpbb_root_path . 'includes/page_header.'.$phpEx);

		$template->set_filenames(array(
			'smiliesbody' => 'posting_smilies.tpl')
		);
	}

	$sql = "SELECT emoticon, code, smile_url   
		FROM " . SMILIES_TABLE . " 
		ORDER BY smilies_id";
	if ($result = $db->sql_query($sql))
	{
		$num_smilies = 0;
		$rowset = array();
		while ($row = $db->sql_fetchrow($result))
		{
			if (empty($rowset[$row['smile_url']]))
			{
				$rowset[$row['smile_url']]['code'] = str_replace("'", "\\'", str_replace('\\', '\\\\', $row['code']));
				$rowset[$row['smile_url']]['emoticon'] = $row['emoticon'];
				$num_smilies++;
			}
		}

		if ($num_smilies)
		{
			$smilies_count = ($mode == 'inline') ? min(19, $num_smilies) : $num_smilies;
			$smilies_split_row = ($mode == 'inline') ? $inline_columns - 1 : $window_columns - 1;

			$s_colspan = 0;
			$row = 0;
			$col = 0;

			while (list($smile_url, $data) = @each($rowset))
			{
				if (!$col)
				{
					$template->assign_block_vars('smilies_row', array());
				}

				$template->assign_block_vars('smilies_row.smilies_col', array(
					'SMILEY_CODE' => $data['code'],
					'SMILEY_IMG' => $board_config['smilies_path'] . '/' . $smile_url,
					'SMILEY_DESC' => $data['emoticon'])
				);

				$s_colspan = max($s_colspan, $col + 1);

				if ($col == $smilies_split_row)
				{
					if ($mode == 'inline' && $row == $inline_rows - 1)
					{
						break;
					}
					$col = 0;
					$row++;
				}
				else
				{
					$col++;
				}
			}

			if ($mode == 'inline' && $num_smilies > $inline_rows * $inline_columns)
			{
				$template->assign_block_vars('switch_smilies_extra', array());

				$template->assign_vars(array(
					'L_MORE_SMILIES' => $lang['More_emoticons'], 
					'U_MORE_SMILIES' => append_sid("posting.$phpEx?mode=smilies"))
				);
			}

			$template->assign_vars(array(
				'L_EMOTICONS' => $lang['Emoticons'], 
				'L_CLOSE_WINDOW' => $lang['Close_window'], 
				'S_SMILIES_COLSPAN' => $s_colspan)
			);
		}
	}

	if ($mode == 'window')
	{
		$template->pparse('smiliesbody');

		include($phpbb_root_path . 'includes/page_tail.'.$phpEx);
	}
}

?>