theme_install()

Complexity

Conditions	18
Paths	484

Size

Total Lines	145
Code Lines	68

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
function theme_install($to_install = array())
{
	global $smcFunc, $context, $modSettings;
	global $settings, $explicit_images;

	// External use? no problem!
	if (!empty($to_install))
		$context['to_install'] = $to_install;

	// One last check.
	if (empty($context['to_install']['theme_dir']) || basename($context['to_install']['theme_dir']) == 'Themes')
		fatal_lang_error('theme_install_invalid_dir', false);

	// OK, is this a newer version of an already installed theme?
	if (!empty($context['to_install']['version']))
	{
		$request = $smcFunc['db_query']('', '
			SELECT id_theme
			FROM {db_prefix}themes
			WHERE id_member = {int:no_member}
				AND variable = {literal:name}
				AND value LIKE {string:name_value}
			LIMIT 1',
			array(
				'no_member' => 0,
				'name_value' => '%' . $context['to_install']['name'] . '%',
			)
		);

		list ($id_to_update) = $smcFunc['db_fetch_row']($request);
		$smcFunc['db_free_result']($request);
		$to_update = get_single_theme($id_to_update, array('version'));

		// Got something, lets figure it out what to do next.
		if (!empty($id_to_update) && !empty($to_update['version']))
			switch (compareVersions($context['to_install']['version'], $to_update['version']))
			{
				case 1: // Got a newer version, update the old entry.
					$smcFunc['db_query']('', '
						UPDATE {db_prefix}themes
						SET value = {string:new_value}
						WHERE variable = {literal:version}
							AND id_theme = {int:id_theme}',
						array(
							'new_value' => $context['to_install']['version'],
							'id_theme' => $id_to_update,
						)
					);

					// Done with the update, tell the user about it.
					$context['to_install']['updated'] = true;

					return $id_to_update;

				case 0: // This is exactly the same theme.
				case -1: // The one being installed is older than the one already installed.
				default: // Any other possible result.
					fatal_lang_error('package_get_error_theme_no_new_version', false, array($context['to_install']['version'], $to_update['version']));
			}
	}

	if (!empty($context['to_install']['based_on']))
	{
		// No need for elaborated stuff when the theme is based on the default one.
		if ($context['to_install']['based_on'] == 'default')
		{
			$context['to_install']['theme_url'] = $settings['default_theme_url'];
			$context['to_install']['images_url'] = $settings['default_images_url'];
		}

		// Custom theme based on another custom theme, lets get some info.
		elseif ($context['to_install']['based_on'] != '')
		{
			$context['to_install']['based_on'] = preg_replace('~[^A-Za-z0-9\-_ ]~', '', $context['to_install']['based_on']);

			// Get the theme info first.
			$request = $smcFunc['db_query']('', '
				SELECT id_theme
				FROM {db_prefix}themes
				WHERE id_member = {int:no_member}
					AND (value LIKE {string:based_on} OR value LIKE {string:based_on_path})
				LIMIT 1',
				array(
					'no_member' => 0,
					'based_on' => '%/' . $context['to_install']['based_on'],
					'based_on_path' => '%' . "\\" . $context['to_install']['based_on'],
				)
			);

			list ($id_based_on) = $smcFunc['db_fetch_row']($request);
			$smcFunc['db_free_result']($request);
			$temp = get_single_theme($id_based_on, array('theme_dir', 'images_url', 'theme_url'));

			// Found the based on theme info, add it to the current one being installed.
			if (!empty($temp))
			{
				$context['to_install']['base_theme_url'] = $temp['theme_url'];
				$context['to_install']['base_theme_dir'] = $temp['theme_dir'];

				if (empty($explicit_images) && !empty($context['to_install']['base_theme_url']))
					$context['to_install']['theme_url'] = $context['to_install']['base_theme_url'];
			}

			// Nope, sorry, couldn't find any theme already installed.
			else
				fatal_lang_error('package_get_error_theme_no_based_on_found', false, $context['to_install']['based_on']);
		}

		unset($context['to_install']['based_on']);
	}

	// Find the newest id_theme.
	$result = $smcFunc['db_query']('', '
		SELECT MAX(id_theme)
		FROM {db_prefix}themes',
		array(
		)
	);
	list ($id_theme) = $smcFunc['db_fetch_row']($result);
	$smcFunc['db_free_result']($result);

	// This will be theme number...
	$id_theme++;

	// Last minute changes? although, the actual array is a context value you might want to use the new ID.
	call_integration_hook('integrate_theme_install', array(&$context['to_install'], $id_theme));

	$inserts = array();
	foreach ($context['to_install'] as $var => $val)
		$inserts[] = array($id_theme, $var, $val);

	if (!empty($inserts))
		$smcFunc['db_insert']('insert',
			'{db_prefix}themes',
			array('id_theme' => 'int', 'variable' => 'string-255', 'value' => 'string-65534'),
			$inserts,
			array('id_theme', 'variable')
		);

	// Update the known and enable Theme's settings.
	$known = strtr($modSettings['knownThemes'] . ',' . $id_theme, array(',,' => ','));
	$enable = strtr($modSettings['enableThemes'] . ',' . $id_theme, array(',,' => ','));
	updateSettings(array('knownThemes' => $known, 'enableThemes' => $enable));

	return $id_theme;
}
?>