install.xml

<?xml version="1.0"?>
<?xml-stylesheet href="modification.xsl" type="text/xsl"?>
<!DOCTYPE modification SYSTEM "http://www.simplemachines.org/xml/modification">
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	ATTENTION: If you are trying to install this manually, you should try
	the package manager.  If it will not work for you, please take a look
	at the following for information on this format:
		http://mods.simplemachines.org/docs/manual-install.php

================================================================================

	Modification files can be used to modify files so that they do what
	your package needs them to do to work properly.

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<modification xmlns="http://www.simplemachines.org/xml/modification" xmlns:smf="http://www.simplemachines.org/">
	<!-- This information needs to be the same as that in the package-info.xml. -->
	<id>Niko:PostHistory</id>
	<version>1.02</version>

	<file name="$sourcedir/Post.php">
		<operation>
			<search position="replace"><![CDATA[m.body,
				m.poster_name]]></search>
			<add><![CDATA[IFNULL(h.body, m.body) AS body,
				m.poster_name]]></add>
		</operation>
		
		<operation>
			<search position="before"><![CDATA[				INNER JOIN {db_prefix}topics AS t ON (t.id_topic = {int:current_topic})
				LEFT JOIN {db_prefix}attachments AS a ON (a.id_msg = m.id_msg AND a.attachment_type = {int:attachment_type})]]></search>
			<add><![CDATA[
				LEFT JOIN {db_prefix}messages_history AS h ON (h.id_msg = {int:id_msg} AND h.id_edit = {int:id_edit})]]></add>
		</operation>
		
		<operation>
			<search position="before"><![CDATA['attachment_type' => 0,
				'id_msg' => $_REQUEST['msg'],]]></search>
			<add><![CDATA[
				'id_edit' => isset($_REQUEST['restore_edit']) ? (int) $_REQUEST['restore_edit'] : 0,]]></add>
		</operation>
		
		<operation>
			<search position="after"><![CDATA[		// When was it last modified?]]></search>
			<add><![CDATA[
		if (isset($_REQUEST['restoreEdit']) && $row['id_member_poster'] == $user_info['id'] && !allowedTo('posthistory_restore_any'))
			isAllowedTo('posthistory_restore_own');
		elseif (isset($_REQUEST['restoreEdit']))
			isAllowedTo('posthistory_restore_any');

]]></add>
		</operation>
	</file>
	
	<file name="$sourcedir/Subs-Post.php">
		<operation>
			<search position="before"><![CDATA[		if (!empty($modSettings['search_custom_index_config'])]]></search>
			<add><![CDATA[ || !empty($modSettings['posthistoryEnabled'])]]></add>
		</operation>
		
		<operation>
			<search position="replace"><![CDATA[$request = $smcFunc['db_query']('', '
				SELECT body
				FROM {db_prefix}messages
				WHERE id_msg = {int:id_msg}',
				array(
					'id_msg' => $msgOptions['id'],
				)
			);
			list ($old_body) = $smcFunc['db_fetch_row']($request);
			$smcFunc['db_free_result']($request);]]></search>
			
			<add><![CDATA[$request = $smcFunc['db_query']('', '
				SELECT body, modified_name, modified_time, poster_name, poster_time
				FROM {db_prefix}messages
				WHERE id_msg = {int:id_msg}',
				array(
					'id_msg' => $msgOptions['id'],
				)
			);
			list ($old_body, $ph_modify_name, $ph_modify_time, $ph_poster_name, $ph_poster_time) = $smcFunc['db_fetch_row']($request);
			$smcFunc['db_free_result']($request);
			
			// Add to Post History table
			if (!empty($modSettings['posthistoryEnabled']))
				$smcFunc['db_insert']('',
					'{db_prefix}messages_history',
					array(
						'id_msg' => 'int',
						'modified_name' => 'string-255',
						'modified_time' => 'int',
						'body' => 'string',
					),
					array(
						$msgOptions['id'],
						!empty($ph_modify_name) ? $ph_modify_name : $ph_poster_name,
						!empty($ph_modify_time) ? $ph_modify_time : $ph_poster_time,
						$old_body,
					),
					array('id_edit')
				);

			if (empty($modSettings['search_custom_index_config']))
				unset($old_body);
			unset($ph_modify_name, $ph_modify_time, $ph_poster_name, $ph_poster_time);
			// END Post History]]></add>
		</operation>
	</file>
	
	<file name="$sourcedir/RemoveTopic.php">
		<operation>
			<search position="after"><![CDATA[		if (!empty($modSettings['search_custom_index_config']))]]></search>
			<add><![CDATA[		// Delete edit history of message
		$smcFunc['db_query']('', '
			DELETE FROM {db_prefix}messages_history
			WHERE id_msg = {int:id_msg}',
			array(
				'id_msg' => $message,
			)
		);

]]></add>
		</operation>
		
		<operation>
			<search position="after"><![CDATA[	// Delete anything related to the topic.]]></search>
			<add><![CDATA[		// Delete edit history of messages
		$messages = array();
		$request = $smcFunc['db_query']('', '
			SELECT id_msg
			FROM {db_prefix}messages
			WHERE id_topic IN ({array_int:topics})',
			array(
				'topics' => $topics,
			)
		);
		while ($row = $smcFunc['db_fetch_assoc']($request))
			$messages[] = $row['id_msg'];
		$smcFunc['db_free_result']($request);
		
		if (!empty($messages))
			$smcFunc['db_query']('', '
				DELETE FROM {db_prefix}messages_history
				WHERE id_msg IN({array_int:messages})',
				array(
					'messages' => $messages,
				)
			);

]]></add>
		</operation>
	</file>

	<file name="$sourcedir/Who.php">
		<operation>
			<search position="before"><![CDATA[		'mods' => array(]]></search>
			<add><![CDATA[
				'Post History &copy; 2007-2009 <a href="http://www.madjoki.com/">Niko Pahajoki</a>',]]></add>
		</operation>
	</file>
	
	<file name="$sourcedir/Display.php">
		<operation>
			<search position="after"><![CDATA[		// Fetch attachments.]]></search>
			<add><![CDATA[
		// Get edited posts for Post History
		if (!empty($modSettings['posthistoryEnabled']) && (allowedTo('posthistory_view_any') || allowedTo('posthistory_view_own')))
		{
			$request = $smcFunc['db_query']('', '
				SELECT DISTINCT id_msg
				FROM {db_prefix}messages_history
				WHERE id_msg IN ({array_int:message_list})',
				array(
					'message_list' => $messages,
				)
			);
			
			$context['post_history'] = array();
			
			while ($row = $smcFunc['db_fetch_assoc']($request))
				$context['post_history'][$row['id_msg']] = $row['id_msg'];

			$smcFunc['db_free_result']($request);
		}
]]></add>
		</operation>
		
		<operation>
			<search position="after"><![CDATA['can_see_ip']]></search>
			<add><![CDATA['can_see_history' => !empty($modSettings['posthistoryEnabled']) && (allowedTo('posthistory_view_any') || (allowedTo('posthistory_view_own') && $message['id_member'] == $user_info['id'] && !empty($user_info['id']))),
			'has_history' => isset($context['post_history'][$message['id_msg']]),
			]]></add>
		</operation>
	</file>
	
	<file name="$themedir/Display.template.php">
		<operation>
			<search position="replace"><![CDATA[		if ($settings['show_modify'] && !empty($message['modified']['name']))
			echo '
								&#171; <em>', $txt['last_edit'], ': ', $message['modified']['time'], ' ', $txt['by'], ' ', $message['modified']['name'], '</em> &#187;';]]></search>
			<add><![CDATA[
		// Show last edit + has history?
		if ($settings['show_modify'] && !empty($message['modified']['name']) && $message['can_see_history'] && $message['has_history'])
			echo '
								<a href="', $scripturl, '?action=posthistory;topic=', $context['current_topic'], '.0;msg=', $message['id'], '" onclick="return reqWin(this.href + \';popup\');">&#171; <em>', $txt['last_edit'], ': ', $message['modified']['time'], $message['modified']['name'] !== $message['member']['name'] ? ' ' . $txt['by'] . ' ' . $message['modified']['name'] : '', '</em> &#187;</a>';
		// No last edit but history?
		elseif ($message['can_see_history'] && $message['has_history'])
			echo '
								<a href="', $scripturl, '?action=posthistory;topic=', $context['current_topic'], '.0;msg=', $message['id'], '" onclick="return reqWin(this.href + \';popup\');">&#171; <em>', $txt['view_post_history'], '</em> &#187;</a>';
		// or ..last edit but no history?
		elseif ($settings['show_modify'] && !empty($message['modified']['name']))
			echo '
								&#171; <em>', $txt['last_edit'], ': ', $message['modified']['time'], ' ', $txt['by'], ' ', $message['modified']['name'], '</em> &#187;';]]></add>
		</operation>		
	</file>
	
	<file name="$themes_dir/core/Display.template.php">
		<operation>
			<search position="before"><![CDATA[	$restore_message_button = create_button('restore_topic.gif', 'restore_message', 'restore_message', 'align="middle"');]]></search>
			<add><![CDATA[
			$history_button = create_button('calendarpe.gif', 'view_post_history', 'view_post_history', 'align="middle"');]]></add>
		</operation>
			
		<operation>
			<search position="after"><![CDATA[// Show a checkbox for quick moderation?]]></search>
			<add><![CDATA[
		// Can we see history?
		if ($message['can_see_history'] && $message['has_history'])
			echo '
						<li><a href="', $scripturl, '?action=posthistory;topic=', $context['current_topic'], '.0;msg=', $message['id'], '">', $history_button, '</a></li>';
		]]></add>
		</operation>		
	</file>
</modification>