/**
 * Find and run migration for given version number.
 *
 * @todo  move migrations into separate files
 * 
 * @param  int $version
 */
function run_migrations_for_version($version)
{
    global $wpdb;
    switch ($version) {
        case 10:
            $sql = sprintf('ALTER TABLE `%s` ADD COLUMN `summary` TEXT', \Podlove\Model\Episode::table_name());
            $wpdb->query($sql);
            break;
        case 11:
            $sql = sprintf('ALTER TABLE `%s` ADD COLUMN `downloadable` INT', \Podlove\Model\EpisodeAsset::table_name());
            $wpdb->query($sql);
            break;
        case 12:
            $sql = sprintf('UPDATE `%s` SET `downloadable` = 1', \Podlove\Model\EpisodeAsset::table_name());
            $wpdb->query($sql);
            break;
        case 13:
            $opus = array('name' => 'Opus Audio', 'type' => 'audio', 'mime_type' => 'audio/opus', 'extension' => 'opus');
            $f = new \Podlove\Model\FileType();
            foreach ($opus as $key => $value) {
                $f->{$key} = $value;
            }
            $f->save();
            break;
        case 14:
            $sql = sprintf('ALTER TABLE `%s` RENAME TO `%s`', $wpdb->prefix . 'podlove_medialocation', \Podlove\Model\EpisodeAsset::table_name());
            $wpdb->query($sql);
            break;
        case 15:
            $sql = sprintf('ALTER TABLE `%s` CHANGE `media_location_id` `episode_asset_id` INT', \Podlove\Model\MediaFile::table_name());
            $wpdb->query($sql);
            break;
        case 16:
            $sql = sprintf('ALTER TABLE `%s` CHANGE `media_location_id` `episode_asset_id` INT', \Podlove\Model\Feed::table_name());
            $wpdb->query($sql);
            break;
        case 17:
            $sql = sprintf('ALTER TABLE `%s` RENAME TO `%s`', $wpdb->prefix . 'podlove_mediaformat', \Podlove\Model\FileType::table_name());
            $wpdb->query($sql);
            break;
        case 18:
            $sql = sprintf('ALTER TABLE `%s` CHANGE `media_format_id` `file_type_id` INT', \Podlove\Model\EpisodeAsset::table_name());
            $wpdb->query($sql);
            break;
        case 19:
            \Podlove\Model\Template::build();
            break;
        case 20:
            $sql = sprintf('ALTER TABLE `%s` ADD COLUMN `suffix` VARCHAR(255)', \Podlove\Model\EpisodeAsset::table_name());
            $wpdb->query($sql);
            $sql = sprintf('ALTER TABLE `%s` DROP COLUMN `url_template`', \Podlove\Model\EpisodeAsset::table_name());
            $wpdb->query($sql);
            break;
        case 21:
            $podcast = Model\Podcast::get();
            $podcast->url_template = '%media_file_base_url%%episode_slug%%suffix%.%format_extension%';
            $podcast->save();
            break;
        case 22:
            $sql = sprintf('ALTER TABLE `%s` ADD COLUMN `redirect_http_status` INT AFTER `redirect_url`', Model\Feed::table_name());
            $wpdb->query($sql);
            break;
        case 23:
            $sql = sprintf('ALTER TABLE `%s` DROP COLUMN `show_description`', Model\Feed::table_name());
            $wpdb->query($sql);
            break;
        case 24:
            $podcast = Model\Podcast::get();
            update_option('podlove_asset_assignment', array('image' => $podcast->supports_cover_art, 'chapters' => $podcast->chapter_file));
            break;
        case 25:
            // rename meta podlove_guid to _podlove_guid
            $episodes = Model\Episode::all();
            foreach ($episodes as $episode) {
                $post = get_post($episode->post_id);
                // skip revisions
                if ($post->post_status == 'inherit') {
                    continue;
                }
                $guid = get_post_meta($episode->post_id, 'podlove_guid', true);
                if (!$guid) {
                    $guid = $post->guid;
                }
                delete_post_meta($episode->post_id, 'podlove_guid');
                update_post_meta($episode->post_id, '_podlove_guid', $guid);
            }
            break;
        case 26:
            $wpdb->query(sprintf('ALTER TABLE `%s` MODIFY COLUMN `subtitle` TEXT', Model\Episode::table_name()));
            break;
        case 27:
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `record_date` DATETIME AFTER `chapters`', Model\Episode::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `publication_date` DATETIME AFTER `record_date`', Model\Episode::table_name()));
            break;
        case 28:
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `position` FLOAT AFTER `downloadable`', Model\EpisodeAsset::table_name()));
            $wpdb->query(sprintf('UPDATE `%s` SET position = id', Model\EpisodeAsset::table_name()));
            break;
        case 29:
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `embed_content_encoded` INT AFTER `limit_items`', Model\Feed::table_name()));
            break;
        case 30:
            $wpdb->query(sprintf('ALTER TABLE `%s` MODIFY `autoinsert` VARCHAR(255)', Model\Template::table_name()));
            break;
        case 32:
            flush_rewrite_rules();
            break;
        case 33:
            $apd = array('name' => 'Auphonic Production Description', 'type' => 'metadata', 'mime_type' => 'application/json', 'extension' => 'json');
            $f = new \Podlove\Model\FileType();
            foreach ($apd as $key => $value) {
                $f->{$key} = $value;
            }
            $f->save();
            break;
        case 34:
            $options = get_option('podlove', array());
            if (!array_key_exists('episode_archive', $options)) {
                $options['episode_archive'] = 'on';
            }
            if (!array_key_exists('episode_archive_slug', $options)) {
                $options['episode_archive_slug'] = '/podcast/';
            }
            if (!array_key_exists('use_post_permastruct', $options)) {
                $options['use_post_permastruct'] = 'off';
            }
            if (!array_key_exists('custom_episode_slug', $options)) {
                $options['custom_episode_slug'] = '/podcast/%podcast%/';
            } else {
                $options['custom_episode_slug'] = preg_replace('#/+#', '/', '/' . str_replace('#', '', $options['custom_episode_slug']));
            }
            update_option('podlove', $options);
            break;
        case 35:
            Model\Feed::build_indices();
            Model\FileType::build_indices();
            Model\EpisodeAsset::build_indices();
            Model\MediaFile::build_indices();
            Model\Episode::build_indices();
            Model\Template::build_indices();
            break;
        case 36:
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `etag` VARCHAR(255)', Model\MediaFile::table_name()));
            break;
        case 37:
            \Podlove\Modules\Base::activate('asset_validation');
            break;
        case 38:
            \Podlove\Modules\Base::activate('logging');
            break;
        case 39:
            // migrate previous template autoinsert settings
            $assignments = Model\TemplateAssignment::get_instance();
            $results = $wpdb->get_results(sprintf('SELECT * FROM `%s`', Model\Template::table_name()));
            foreach ($results as $template) {
                if ($template->autoinsert == 'beginning') {
                    $assignments->top = $template->id;
                } elseif ($template->autoinsert == 'end') {
                    $assignments->bottom = $template->id;
                }
            }
            $assignments->save();
            // remove template autoinsert column
            $sql = sprintf('ALTER TABLE `%s` DROP COLUMN `autoinsert`', \Podlove\Model\Template::table_name());
            $wpdb->query($sql);
            break;
        case 40:
            $wpdb->query(sprintf('UPDATE `%s` SET position = id WHERE position IS NULL', Model\EpisodeAsset::table_name()));
            break;
        case 41:
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `position` FLOAT AFTER `slug`', Model\Feed::table_name()));
            $wpdb->query(sprintf('UPDATE `%s` SET position = id', Model\Feed::table_name()));
            break;
        case 42:
            $wpdb->query('DELETE FROM `' . $wpdb->options . '` WHERE option_name LIKE "%podlove_chapters_string_%"');
            break;
        case 43:
            $podlove_options = get_option('podlove', array());
            $podlove_website = array('merge_episodes' => isset($podlove_options['merge_episodes']) ? $podlove_options['merge_episodes'] : false, 'hide_wp_feed_discovery' => isset($podlove_options['hide_wp_feed_discovery']) ? $podlove_options['hide_wp_feed_discovery'] : false, 'use_post_permastruct' => isset($podlove_options['use_post_permastruct']) ? $podlove_options['use_post_permastruct'] : false, 'custom_episode_slug' => isset($podlove_options['custom_episode_slug']) ? $podlove_options['custom_episode_slug'] : '/episode/%podcast%', 'episode_archive' => isset($podlove_options['episode_archive']) ? $podlove_options['episode_archive'] : false, 'episode_archive_slug' => isset($podlove_options['episode_archive_slug']) ? $podlove_options['episode_archive_slug'] : '/podcast/', 'url_template' => isset($podlove_options['url_template']) ? $podlove_options['url_template'] : '%media_file_base_url%%episode_slug%%suffix%.%format_extension%');
            $podlove_metadata = array('enable_episode_record_date' => isset($podlove_options['enable_episode_record_date']) ? $podlove_options['enable_episode_record_date'] : false, 'enable_episode_publication_date' => isset($podlove_options['enable_episode_publication_date']) ? $podlove_options['enable_episode_publication_date'] : false);
            $podlove_redirects = array('podlove_setting_redirect' => isset($podlove_options['podlove_setting_redirect']) ? $podlove_options['podlove_setting_redirect'] : array());
            add_option('podlove_website', $podlove_website);
            add_option('podlove_metadata', $podlove_metadata);
            add_option('podlove_redirects', $podlove_redirects);
            break;
        case 44:
            $wpdb->query('DELETE FROM `' . $wpdb->postmeta . '` WHERE meta_key = "last_validated_at"');
            break;
        case 45:
            delete_transient('podlove_auphonic_user');
            delete_transient('podlove_auphonic_presets');
            break;
        case 46:
            if (\Podlove\Modules\Base::is_active('contributors')) {
                // manually trigger activation if the old module was active
                $module = \Podlove\Modules\Contributors\Contributors::instance();
                $module->was_activated('contributors');
                // then, migrate existing contributors
                // register old taxonomy so it can be queried
                $args = array('hierarchical' => false, 'labels' => array(), 'show_ui' => true, 'show_tagcloud' => true, 'query_var' => true, 'rewrite' => array('slug' => 'contributor'));
                register_taxonomy('podlove-contributors', 'podcast', $args);
                $contributor_settings = get_option('podlove_contributors', array());
                $contributors = get_terms('podlove-contributors', array('hide_empty' => 0));
                if ($contributors && !is_wp_error($contributors) && \Podlove\Modules\Contributors\Model\Contributor::count() == 0) {
                    foreach ($contributors as $contributor) {
                        // create new contributor
                        $new = new \Podlove\Modules\Contributors\Model\Contributor();
                        $new->publicname = $contributor->name;
                        $new->realname = $contributor->name;
                        $new->slug = $contributor->slug;
                        $new->showpublic = true;
                        if (isset($contributor_settings[$contributor->term_id]['contributor_email'])) {
                            $email = $contributor_settings[$contributor->term_id]['contributor_email'];
                            if ($email) {
                                $new->privateemail = $email;
                                $new->avatar = $email;
                            }
                        }
                        $new->save();
                        // create contributions
                        $query = new \WP_Query(array('posts_per_page' => -1, 'post_type' => 'podcast', 'tax_query' => array(array('taxonomy' => 'podlove-contributors', 'field' => 'slug', 'terms' => $contributor->slug))));
                        while ($query->have_posts()) {
                            $post = $query->next_post();
                            $contribution = new \Podlove\Modules\Contributors\Model\EpisodeContribution();
                            $contribution->contributor_id = $new->id;
                            $contribution->episode_id = Model\Episode::find_one_by_post_id($post->ID)->id;
                            $contribution->save();
                        }
                    }
                }
            }
            break;
        case 47:
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `protected` TINYINT(1) NULL', \Podlove\Model\Feed::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `protection_type` TINYINT(1)', \Podlove\Model\Feed::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `protection_user` VARCHAR(60)', \Podlove\Model\Feed::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `protection_password` VARCHAR(64)', \Podlove\Model\Feed::table_name()));
            break;
        case 48:
            $podcast = Model\Podcast::get();
            $podcast->limit_items = '-1';
            $podcast->save();
            break;
        case 49:
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `explicit` TINYINT', Model\Episode::table_name()));
            break;
        case 50:
            $podcast = Model\Podcast::get();
            $podcast->license_type = 'other';
            $podcast->save();
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `license_type` VARCHAR(255) AFTER `publication_date`', Model\Episode::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `license_name` TEXT AFTER `license_type`', Model\Episode::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `license_url` TEXT AFTER `license_name`', Model\Episode::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `license_cc_allow_modifications` TEXT AFTER `license_url`', Model\Episode::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `license_cc_allow_commercial_use` TEXT AFTER `license_cc_allow_modifications`', Model\Episode::table_name()));
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `license_cc_license_jurisdiction` TEXT AFTER `license_cc_allow_commercial_use`', Model\Episode::table_name()));
            break;
        case 51:
            if (\Podlove\Modules\Base::is_active('contributors')) {
                \Podlove\Modules\Contributors\Model\ContributorGroup::build();
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `group_id` VARCHAR(255) AFTER `role_id`', \Podlove\Modules\Contributors\Model\EpisodeContribution::table_name()));
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `group_id` VARCHAR(255) AFTER `role_id`', \Podlove\Modules\Contributors\Model\ShowContribution::table_name()));
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `paypal` VARCHAR(255) AFTER `flattr`', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `bitcoin` VARCHAR(255) AFTER `paypal`', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `litecoin` VARCHAR(255) AFTER `bitcoin`', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
                $wpdb->query(sprintf('ALTER TABLE `%s` DROP COLUMN `permanentcontributor`', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
                $wpdb->query(sprintf('ALTER TABLE `%s` DROP COLUMN `role`', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
            }
            break;
        case 52:
            if (\Podlove\Modules\Base::is_active('contributors')) {
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `jobtitle` VARCHAR(255) AFTER `department`', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
            }
            break;
        case 53:
            // set all Episode as published (fix for ADN Module)
            $episodes = Model\Episode::all();
            foreach ($episodes as $episode) {
                $post = get_post($episode->post_id);
                if ($post->post_status == 'publish') {
                    update_post_meta($episode->post_id, '_podlove_episode_was_published', true);
                }
            }
            break;
        case 54:
            if (\Podlove\Modules\Base::is_active('contributors')) {
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `googleplus` TEXT AFTER `ADN`', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
                $wpdb->query(sprintf('ALTER TABLE `%s` CHANGE COLUMN `showpublic` `visibility` TINYINT(1)', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
            }
            break;
        case 55:
            if (\Podlove\Modules\Base::is_active('contributors')) {
                \Podlove\Modules\Contributors\Model\DefaultContribution::build();
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `comment` TEXT AFTER `position`', \Podlove\Modules\Contributors\Model\EpisodeContribution::table_name()));
                $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `comment` TEXT AFTER `position`', \Podlove\Modules\Contributors\Model\ShowContribution::table_name()));
            }
            break;
        case 56:
            // migrate Podcast Contributors to Default Contributors
            if (\Podlove\Modules\Base::is_active('contributors')) {
                $podcast_contributors = \Podlove\Modules\Contributors\Model\ShowContribution::all();
                foreach ($podcast_contributors as $podcast_contributor_key => $podcast_contributor) {
                    $new = new \Podlove\Modules\Contributors\Model\DefaultContribution();
                    $new->contributor_id = $podcast_contributor->contributor_id;
                    $new->group_id = $podcast_contributor->group_id;
                    $new->role_id = $podcast_contributor->role_id;
                    $new->position = $podcast_contributor->positon;
                    $new->save();
                }
            }
            break;
        case 57:
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `append_name_to_podcast_title` TINYINT(1) NULL AFTER `embed_content_encoded`', \Podlove\Model\Feed::table_name()));
            break;
        case 58:
            // if contributors module is active, activate social module
            if (\Podlove\Modules\Base::is_active('contributors')) {
                \Podlove\Modules\Base::activate('social');
            }
            break;
        case 59:
            if (\Podlove\Modules\Base::is_active('bitlove')) {
                $wpdb->query(sprintf("ALTER TABLE `%s` ADD COLUMN `bitlove` TINYINT(1) DEFAULT '0'", \Podlove\Model\Feed::table_name()));
            }
            break;
        case 60:
            \Podlove\Modules\Base::activate('oembed');
            \Podlove\Modules\Base::activate('feed_validation');
            break;
        case 61:
            $wpdb->query(sprintf('ALTER TABLE `%s` DROP COLUMN `publication_date`', Model\Episode::table_name()));
            break;
        case 62:
            // rename column
            $wpdb->query(sprintf('ALTER TABLE `%s` CHANGE COLUMN `record_date` `recording_date` DATETIME', Model\Episode::table_name()));
            // update settings
            $meta = get_option('podlove_metadata');
            if (isset($meta['enable_episode_publication_date'])) {
                unset($meta['enable_episode_publication_date']);
            }
            if (isset($meta['enable_episode_record_date'])) {
                $meta['enable_episode_recording_date'] = $meta['enable_episode_record_date'];
                unset($meta['enable_episode_record_date']);
            }
            update_option('podlove_metadata', $meta);
            break;
        case 63:
            if (\Podlove\Modules\Base::is_active('social')) {
                $tumblr_service = \Podlove\Modules\Social\Model\Service::find_one_by_property('title', 'Tumblr');
                $tumblr_service->url_scheme = 'http://%account-placeholder%.tumblr.com/';
                $tumblr_service->save();
            }
            break;
        case 64:
            if (\Podlove\Modules\Base::is_active('social')) {
                $services = array(array('title' => '500px', 'type' => 'social', 'description' => '500px Account', 'logo' => '500px-128.png', 'url_scheme' => 'https://500px.com/%account-placeholder%'), array('title' => 'Last.fm', 'type' => 'social', 'description' => 'Last.fm Account', 'logo' => 'lastfm-128.png', 'url_scheme' => 'https://www.lastfm.de/user/%account-placeholder%'), array('title' => 'OpenStreetMap', 'type' => 'social', 'description' => 'OpenStreetMap Account', 'logo' => 'openstreetmap-128.png', 'url_scheme' => 'https://www.openstreetmap.org/user/%account-placeholder%'), array('title' => 'Soup', 'type' => 'social', 'description' => 'Soup Account', 'logo' => 'soup-128.png', 'url_scheme' => 'http://%account-placeholder%.soup.io'));
                foreach ($services as $service_key => $service) {
                    $c = new \Podlove\Modules\Social\Model\Service();
                    $c->title = $service['title'];
                    $c->type = $service['type'];
                    $c->description = $service['description'];
                    $c->logo = $service['logo'];
                    $c->url_scheme = $service['url_scheme'];
                    $c->save();
                }
            }
            break;
        case 65:
            if (\Podlove\Modules\Base::is_active('social')) {
                $flattr_service = \Podlove\Modules\Social\Model\Service::find_one_by_where("`title` = 'Flattr' AND `type` = 'donation'");
                if ($flattr_service) {
                    $contributor_flattr_donations_accounts = \Podlove\Modules\Social\Model\ContributorService::find_all_by_property('service_id', $flattr_service->id);
                    foreach ($contributor_flattr_donations_accounts as $contributor_flattr_donations_account) {
                        $contributor = \Podlove\Modules\Contributors\Model\Contributor::find_by_id($contributor_flattr_donations_account->contributor_id);
                        if ($contributor && is_null($contributor->flattr)) {
                            $contributor->flattr = $contributor_flattr_donations_account->value;
                            $contributor->save();
                        }
                        $contributor_flattr_donations_account->delete();
                    }
                    $flattr_service->delete();
                }
            }
            break;
        case 66:
            // Temporary add license_type and CC license fields to episode model
            \Podlove\Model\Episode::property('license_type', 'VARCHAR(255)');
            \Podlove\Model\Episode::property('license_cc_allow_modifications', 'VARCHAR(255)');
            \Podlove\Model\Episode::property('license_cc_allow_commercial_use', 'VARCHAR(255)');
            \Podlove\Model\Episode::property('license_cc_license_jurisdiction', 'VARCHAR(255)');
            $podcast = \Podlove\Model\Podcast::get();
            $episodes = \Podlove\Model\Episode::all();
            // Migration for Podcast
            if ($podcast->license_type == 'cc' && $podcast->license_cc_allow_commercial_use !== '' && $podcast->license_cc_allow_modifications !== '' && $podcast->license_cc_license_jurisdiction !== '') {
                $license = array('version' => '3.0', 'commercial_use' => $podcast->license_cc_allow_commercial_use, 'modification' => $podcast->license_cc_allow_modifications, 'jurisdiction' => $podcast->license_cc_license_jurisdiction);
                $podcast->license_url = \Podlove\Model\License::get_url_from_license($license);
                $podcast->license_name = \Podlove\Model\License::get_name_from_license($license);
                $podcast->save();
            }
            // Migration for Episodes
            foreach ($episodes as $episode) {
                if ($episode->license_type == 'other' || $episode->license_cc_allow_commercial_use == '' || $episode->license_cc_allow_modifications == '' || $episode->license_cc_license_jurisdiction == '') {
                    continue;
                }
                $license = array('version' => '3.0', 'commercial_use' => $episode->license_cc_allow_commercial_use, 'modification' => $episode->license_cc_allow_modifications, 'jurisdiction' => $episode->license_cc_license_jurisdiction);
                $episode->license_url = \Podlove\Model\License::get_url_from_license($license);
                $episode->license_name = \Podlove\Model\License::get_name_from_license($license);
                $episode->save();
            }
            break;
        case 67:
            if (\Podlove\Modules\Base::is_active('social')) {
                $instagram_service = \Podlove\Modules\Social\Model\Service::find_one_by_where("`title` = 'Instagram' AND `type` = 'social'");
                if ($instagram_service) {
                    $instagram_service->url_scheme = 'https://instagram.com/%account-placeholder%';
                    $instagram_service->save();
                }
            }
            break;
        case 68:
            // Do that ADN module fix again, as we forgot to mark all episodes as published if the ADN module is activated
            $episodes = Model\Episode::all();
            foreach ($episodes as $episode) {
                $post = get_post($episode->post_id);
                if ($post->post_status == 'publish' && !get_post_meta($episode->post_id, '_podlove_episode_was_published', true)) {
                    update_post_meta($episode->post_id, '_podlove_episode_was_published', true);
                }
            }
            break;
        case 69:
            if (\Podlove\Modules\Base::is_active('app_dot_net')) {
                $adn = \Podlove\Modules\AppDotNet\App_Dot_Net::instance();
                if ($adn->get_module_option('adn_auth_key')) {
                    $adn->update_module_option('adn_automatic_announcement', 'on');
                }
            }
            break;
        case 70:
            \Podlove\Model\DownloadIntent::build();
            \Podlove\Model\UserAgent::build();
            break;
        case 71:
            // update for everyone, so even those with inactive service tables get updated
            $wpdb->query(sprintf('ALTER TABLE `%s` CHANGE COLUMN `type` `category` VARCHAR(255)', \Podlove\Modules\Social\Model\Service::table_name()));
            $wpdb->query(sprintf("ALTER TABLE `%s` ADD COLUMN `type` VARCHAR(255) AFTER `category`", \Podlove\Modules\Social\Model\Service::table_name()));
            $services = \Podlove\Modules\Social\Model\Service::all();
            foreach ($services as $service) {
                $service->type = strtolower($service->title);
                $service->save();
            }
            break;
        case 72:
            if (\Podlove\Modules\Base::is_active('social')) {
                $services = array(array('title' => 'Vimeo', 'type' => 'vimeo', 'category' => 'social', 'description' => 'Vimeo Account', 'logo' => 'vimeo-128.png', 'url_scheme' => 'http://vimeo.com/%account-placeholder%'), array('title' => 'about.me', 'type' => 'about.me', 'category' => 'social', 'description' => 'about.me Account', 'logo' => 'aboutme-128.png', 'url_scheme' => 'http://about.me/%account-placeholder%'), array('title' => 'Gittip', 'type' => 'gittip', 'category' => 'donation', 'description' => 'Gittip Account', 'logo' => 'gittip-128.png', 'url_scheme' => 'https://www.gittip.com/%account-placeholder%'));
                foreach ($services as $service_key => $service) {
                    $c = new \Podlove\Modules\Social\Model\Service();
                    $c->title = $service['title'];
                    $c->type = $service['type'];
                    $c->category = $service['category'];
                    $c->description = $service['description'];
                    $c->logo = $service['logo'];
                    $c->url_scheme = $service['url_scheme'];
                    $c->save();
                }
            }
            break;
        case 73:
            if (\Podlove\Modules\Base::is_active('social')) {
                $jabber_service = \Podlove\Modules\Social\Model\Service::find_one_by_where("`type` = 'jabber' AND `category` = 'social'");
                if ($jabber_service) {
                    $jabber_service->url_scheme = 'jabber:%account-placeholder%';
                    $jabber_service->save();
                }
            }
            break;
        case 74:
            Model\GeoArea::build();
            Model\GeoAreaName::build();
            \Podlove\Geo_Ip::register_updater_cron();
            break;
        case 75:
            $tracking = get_option('podlove_tracking');
            $tracking['mode'] = 0;
            update_option('podlove_tracking', $tracking);
            break;
        case 76:
            set_transient('podlove_needs_to_flush_rewrite_rules', true);
            break;
        case 77:
            // delete empty user agents
            $userAgentTable = Model\UserAgent::table_name();
            $downloadIntentTable = Model\DownloadIntent::table_name();
            $sql = "SELECT\n\t\t\t\tdi.id\n\t\t\tFROM\n\t\t\t\t{$downloadIntentTable} di\n\t\t\t\tJOIN {$userAgentTable} ua ON ua.id = di.user_agent_id\n\t\t\tWHERE\n\t\t\t\tua.user_agent IS NULL";
            $ids = $wpdb->get_col($sql);
            if (is_array($ids) && count($ids)) {
                $sql = "UPDATE {$downloadIntentTable} SET user_agent_id = NULL WHERE id IN (" . implode(",", $ids) . ")";
                $wpdb->query($sql);
                $sql = "DELETE FROM {$userAgentTable} WHERE user_agent IS NULL";
                $wpdb->query($sql);
            }
            break;
        case 78:
            if (\Podlove\Modules\Base::is_active('social')) {
                $c = new \Podlove\Modules\Social\Model\Service();
                $c->title = 'Auphonic Credits';
                $c->category = 'donation';
                $c->type = 'auphonic credits';
                $c->description = 'Auphonic Account';
                $c->logo = 'auphonic-128.png';
                $c->url_scheme = 'https://auphonic.com/donate_credits?user=%account-placeholder%';
                $c->save();
            }
            break;
        case 79:
            set_transient('podlove_needs_to_flush_rewrite_rules', true);
            $cache = \Podlove\Cache\TemplateCache::get_instance();
            $cache->setup_purge();
            break;
        case 80:
            $sql = sprintf('ALTER TABLE `%s` ADD COLUMN `httprange` VARCHAR(255)', \Podlove\Model\DownloadIntent::table_name());
            $wpdb->query($sql);
            break;
        case 81:
            // remove all caches with old namespace
            $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE \"_transient_podlove_cache%\"");
            break;
        case 82:
            // set all redirect entries to active
            $redirect_settings = \Podlove\get_setting('redirects', 'podlove_setting_redirect');
            foreach ($redirect_settings as $index => $data) {
                $redirect_settings[$index]['active'] = 'active';
            }
            update_option('podlove_redirects', array('podlove_setting_redirect' => $redirect_settings));
            break;
        case 83:
            \Podlove\Model\DownloadIntentClean::build();
            $alterations = array('ALTER TABLE `%s` ADD COLUMN `bot` TINYINT', 'ALTER TABLE `%s` ADD COLUMN `client_name` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `client_version` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `client_type` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `os_name` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `os_version` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `device_brand` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `device_model` VARCHAR(255)');
            foreach ($alterations as $sql) {
                $wpdb->query(sprintf($sql, Model\UserAgent::table_name()));
            }
            Model\UserAgent::reparse_all();
            break;
        case 84:
            delete_option('podlove_tpl_cache_keys');
            break;
        case 85:
            add_option('podlove_tracking_delete_head_requests', 1);
            break;
        case 86:
            if (\Podlove\Modules\Base::is_active('social')) {
                $c = new \Podlove\Modules\Social\Model\Service();
                $c->title = 'Foursquare';
                $c->category = 'social';
                $c->type = 'foursquare';
                $c->description = 'Foursquare Account';
                $c->logo = 'foursquare-128.png';
                $c->url_scheme = 'https://foursquare.com/%account-placeholder%';
                $c->save();
                $services = array(array('title' => 'ResearchGate', 'name' => 'researchgate', 'category' => 'social', 'description' => 'ResearchGate URL', 'logo' => 'researchgate-128.png', 'url_scheme' => '%account-placeholder%'), array('title' => 'ORCiD', 'name' => 'orcid', 'category' => 'social', 'description' => 'ORCiD', 'logo' => 'orcid-128.png', 'url_scheme' => 'https://orcid.org/%account-placeholder%'), array('title' => 'Scopus', 'name' => 'scous', 'category' => 'social', 'description' => 'Scopus Author ID', 'logo' => 'scopus-128.png', 'url_scheme' => 'https://www.scopus.com/authid/detail.url?authorId=%account-placeholder%'));
                foreach ($services as $service_key => $service) {
                    $c = new \Podlove\Modules\Social\Model\Service();
                    $c->title = $service['title'];
                    $c->category = $service['category'];
                    $c->type = $service['name'];
                    $c->description = $service['description'];
                    $c->logo = $service['logo'];
                    $c->url_scheme = $service['url_scheme'];
                    $c->save();
                }
            }
            break;
        case 87:
            if (\Podlove\Modules\Base::is_active('app_dot_net')) {
                $adn = \Podlove\Modules\AppDotNet\App_Dot_Net::instance();
                if ($adn->get_module_option('adn_auth_key')) {
                    $adn->update_module_option('adn_poster_image_fallback', 'on');
                }
            }
            break;
        case 88:
            $service = new \Podlove\Modules\Social\Model\Service();
            $service->title = 'Email';
            $service->category = 'social';
            $service->type = 'email';
            $service->description = 'Email';
            $service->logo = 'email-128.png';
            $service->url_scheme = 'mailto:%account-placeholder%';
            $service->save();
            break;
        case 89:
            $email_service = \Podlove\Modules\Social\Model\Service::find_one_by_type('email');
            foreach (\Podlove\Modules\Contributors\Model\Contributor::all() as $contributor) {
                if (!$contributor->publicemail) {
                    continue;
                }
                $contributor_service = new \Podlove\Modules\Social\Model\ContributorService();
                $contributor_service->contributor_id = $contributor->id;
                $contributor_service->service_id = $email_service->id;
                $contributor_service->value = $contributor->publicemail;
                $contributor_service->save();
            }
            break;
        case 90:
            \Podlove\Modules\Base::activate('subscribe_button');
            break;
        case 91:
            $c = new \Podlove\Modules\Social\Model\Service();
            $c->title = 'Miiverse';
            $c->category = 'social';
            $c->type = 'miiverse';
            $c->description = 'Miiverse Account';
            $c->logo = 'miiverse-128.png';
            $c->url_scheme = 'https://miiverse.nintendo.net/users/%account-placeholder%';
            $c->save();
            break;
        case 92:
            $c = new \Podlove\Modules\Social\Model\Service();
            $c->title = 'Prezi';
            $c->category = 'social';
            $c->type = 'prezi';
            $c->description = 'Prezis';
            $c->logo = 'prezi-128.png';
            $c->url_scheme = 'http://prezi.com/user/%account-placeholder%';
            $c->save();
            break;
        case 93:
            // podlove_init_user_agent_refresh();
            // do nothing instead, because see 94 below
            break;
        case 94:
            // this is a duplicate of migration 83 but it looks like that didn't work.
            Model\DownloadIntentClean::build();
            $alterations = array('ALTER TABLE `%s` ADD COLUMN `bot` TINYINT', 'ALTER TABLE `%s` ADD COLUMN `client_name` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `client_version` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `client_type` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `os_name` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `os_version` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `device_brand` VARCHAR(255)', 'ALTER TABLE `%s` ADD COLUMN `device_model` VARCHAR(255)');
            foreach ($alterations as $sql) {
                $wpdb->query(sprintf($sql, Model\UserAgent::table_name()));
            }
            podlove_init_user_agent_refresh();
            // manually trigger intent cron after user agents are parsed
            // parameter to make sure WP does not skip it due to 10 minute rule
            wp_schedule_single_event(time() + 120, 'podlove_cleanup_download_intents', ['really' => true]);
            // manually trigger average cron after intents are calculated
            wp_schedule_single_event(time() + 240, 'recalculate_episode_download_average', ['really' => true]);
            break;
        case 95:
            // add missing flattr column
            $wpdb->query(sprintf('ALTER TABLE `%s` ADD COLUMN `flattr` VARCHAR(255) AFTER `avatar`', \Podlove\Modules\Contributors\Model\Contributor::table_name()));
            break;
        case 96:
            \Podlove\DeleteHeadRequests::init();
            break;
        case 97:
            // recalculate all downloads average data
            $wpdb->query(sprintf('DELETE FROM `%s` WHERE `meta_key` LIKE "_podlove_eda%%"', $wpdb->postmeta));
            break;
        case 98:
            delete_transient('podlove_dashboard_stats_contributors');
            break;
        case 99:
            // Activate network module for migrating users.
            // Core modules are automatically activated for _new_ setups and
            // whenever modules change. Since this can't be guaranteed for
            // existing setups, it must be triggered manually.
            \Podlove\Modules\Networks\Networks::instance()->was_activated();
            break;
        case 101:
            // add patreon
            if (\Podlove\Modules\Social\Model\Service::table_exists()) {
                \Podlove\Modules\Social\RepairSocial::fix_missing_services();
            }
            break;
        case 102:
            // update logos
            if (\Podlove\Modules\Social\Model\Service::table_exists()) {
                \Podlove\Modules\Social\Social::update_existing_services();
            }
            break;
        case 103:
            $assignment = get_option('podlove_template_assignment', []);
            if ($assignment['top'] && is_numeric($assignment['top'])) {
                $assignment['top'] = Model\Template::find_by_id($assignment['top'])->title;
            }
            if ($assignment['bottom'] && is_numeric($assignment['bottom'])) {
                $assignment['bottom'] = Model\Template::find_by_id($assignment['bottom'])->title;
            }
            update_option('podlove_template_assignment', $assignment);
            break;
        case 104:
            \Podlove\unschedule_events(\Podlove\Cache\TemplateCache::CRON_PURGE_HOOK);
            break;
        case 105:
            // activate flattr plugin
            \Podlove\Modules\Base::activate('flattr');
            // migrate flattr data
            $podcast = Model\Podcast::get();
            $settings = get_option('podlove_flattr', []);
            $settings['account'] = $podcast->flattr;
            $settings['contributor_shortcode_default'] = 'yes';
            update_option('podlove_flattr', $settings);
            break;
        case 106:
            podlove_init_user_agent_refresh();
            break;
        case 107:
            // skipped
            break;
        case 108:
            podlove_init_user_agent_refresh();
            break;
        case 109:
            \podlove_init_capabilities();
            break;
        case 110:
            if (\Podlove\Modules\Social\Model\Service::table_exists()) {
                \Podlove\Modules\Social\Social::update_existing_services();
                \Podlove\Modules\Social\Social::build_missing_services();
            }
            break;
        case 111:
            if (\Podlove\Modules\Social\Model\Service::table_exists()) {
                \Podlove\Modules\Social\Social::update_existing_services();
                \Podlove\Modules\Social\Social::build_missing_services();
            }
            break;
    }
}
    public function init()
    {
        add_settings_section('podlove_settings_episode', __('', 'podlove'), function () {
            echo '<h3>' . __('Download Tracking & Analytics Settings', 'podlove') . '</h3>';
            ?>
				<style type="text/css">
				.form-table .aligned-radio { display: table; margin-bottom: 10px; }
				.form-table .aligned-radio .row { display: table-row; }
				.form-table .aligned-radio .row > div { display: table-cell; }
				</style>
				<?php 
        }, Settings::$pagehook);
        add_settings_field('podlove_setting_tracking', sprintf('<label for="mode">%s</label>', __('Tracking Mode', 'podlove')), function () {
            ?>
				<label class="aligned-radio">
					<div class="row">
						<div>
							<input name="podlove_tracking[mode]" type="radio" value="0" <?php 
            checked(\Podlove\get_setting('tracking', 'mode'), 0);
            ?>
 />
						</div>
						<div>
							<?php 
            echo sprintf('<div><strong>%s</strong><br>%s</div>', __('No Tracking', 'podlove'), __('Original file URLs are presented to users and clients. No download-data is tracked.', 'podlove'));
            ?>
						</div>
					</div>
				</label>
				
				<label class="aligned-radio">
					<div class="row">
						<div>
							<input name="podlove_tracking[mode]" type="radio" value="ptm" <?php 
            checked(\Podlove\get_setting('tracking', 'mode'), 'ptm');
            ?>
 />
						</div>
						<div>
							<?php 
            echo sprintf('<div><strong>%s</strong><br>%s</div>', __('Tracking URL Parameters', 'podlove'), __('Original file URLs are extended by tracking parameters before presenting them to users and clients. 
									This is useful if you are using your server log files for download analytics. 
									No download-data is tracked.', 'podlove'));
            ?>
						</div>
					</div>
				</label>

				<label class="aligned-radio">
					<div class="row">
						<div>
							<input name="podlove_tracking[mode]" type="radio" value="ptm_analytics" <?php 
            checked(\Podlove\get_setting('tracking', 'mode'), 'ptm_analytics');
            ?>
 />
						</div>
						<div>
							<?php 
            echo sprintf('<div><strong>%s</strong><br>%s</div>', __('Tracking URL Parameters &amp; Analytics', 'podlove'), __('Instead of the original file URLs, users and clients see a link that points to the Publisher. 
									The Publisher logs the download intent and redirects the user to the original file. 
									That way the Publisher is able to generate download statistics. ', 'podlove'));
            ?>
						</div>
					</div>
				</label>
				<?php 
        }, Settings::$pagehook, 'podlove_settings_episode');
        add_settings_field('podlove_status_location_database', sprintf('<label for="mode">%s</label>', __('Geolocation Lookup', 'podlove')), function () {
            $file = \Podlove\Geo_Ip::get_upload_file_path();
            \Podlove\Geo_Ip::register_updater_cron();
            ?>
				<?php 
            if (file_exists($file)) {
                ?>
					<p>
						<?php 
                echo __("Geolocation database", "podlove");
                ?>
:
						<code><?php 
                echo $file;
                ?>
</code>
					</p>
					<p>
						<?php 
                echo __("Last modified", "podlove");
                ?>
: 
						<?php 
                echo date(get_option('date_format') . ' ' . get_option('time_format'), filemtime($file));
                ?>
					</p>
					<p>
						<?php 
                echo sprintf(__("The database is updated automatically once a month. Next scheduled update: %s", "podlove"), date(get_option('date_format') . ' ' . get_option('time_format'), wp_next_scheduled('podlove_geoip_db_update')));
                ?>
					</p>
					<p>
						<button name="update_geo_database" class="button button-primary" value="1"><?php 
                echo __("Update Now", "podlove");
                ?>
</button>
					</p>
				<?php 
            } else {
                ?>
					<p>
						<?php 
                echo __("You need to download a geolocation-database for lookups to work.", "podlove");
                ?>
					</p>
					<p>
						<button name="update_geo_database" class="button button-primary" value="1"><?php 
                echo __("Download Now", "podlove");
                ?>
</button>
					</p>
				<?php 
            }
            ?>
				<p>
					<!-- This snippet must be included, as stated here: http://dev.maxmind.com/geoip/geoip2/geolite2/ -->
					<em>
						This product includes GeoLite2 data created by MaxMind, available from
						<a href="http://www.maxmind.com">http://www.maxmind.com</a>.
					</em>
				</p>
				<?php 
        }, Settings::$pagehook, 'podlove_settings_episode');
        add_settings_field('podlove_debug_tracking', sprintf('<label for="mode">%s</label>', __('Debug Tracking', 'podlove')), function () {
            if (!\get_option('permalink_structure')) {
                ?>
					<div class="error">
						<p>
							<b><?php 
                echo __('Please Change Permalink Structure', 'podlove');
                ?>
</b>
							<?php 
                echo sprintf(__('You are using the default WordPress permalink structure. 
								This may cause problems with some podcast clients when you activate tracking.
								Go to %s and set it to anything but default (for example "Post name") before activating Tracking.', 'podlove'), '<a href="' . admin_url('options-permalink.php') . '">' . __('Permalink Settings') . '</a>');
                ?>
						</p>
					</div>
					<?php 
            }
            $media_file = Model\MediaFile::find_example();
            if (!$media_file) {
                return;
            }
            $episode = $media_file->episode();
            if (!$episode) {
                return;
            }
            $public_url = $media_file->get_public_file_url("debug");
            $actual_url = $media_file->get_file_url();
            ?>
				<h4>Example Episode</h4>
				<p>
					<?php 
            echo $episode->full_title();
            ?>
				</p>
				<h4>Media File</h4>
				<p>
					<h5>Actual Location</h5>
					<code><?php 
            echo $actual_url;
            ?>
</code>
				</p>
				<p>
					<h5>Public URL</h5>
					<code><?php 
            echo $public_url;
            ?>
</code>
				</p>
				<p>
					<h5>Validations</h5>
					<ul>
						<li>
							<!-- check rewrite rules -->
							<?php 
            if (\Podlove\Tracking\Debug::rewrites_exist()) {
                ?>
								✔ Rewrite Rules Exist
							<?php 
            } else {
                ?>
								✘ <strong>Rewrite Rules Missing</strong>
								<!-- todo: repair button -->
							<?php 
            }
            ?>
						</li>
						<li>
							<?php 
            if (\Podlove\Tracking\Debug::url_resolves_correctly($public_url, $actual_url)) {
                ?>
								✔ URL resolves correctly
							<?php 
            } else {
                ?>
								✘ <strong>URL does not resolve correctly</strong>
							<?php 
            }
            ?>
						</li>
						<li>
							<!-- check http/https consistency -->
							<?php 
            if (\Podlove\Tracking\Debug::is_consistent_https_chain($public_url, $actual_url)) {
                ?>
								✔ Consistent protocol chain
							<?php 
            } else {
                ?>
								✘ <strong>Protocol chain is inconsistent</strong>: Your site uses SSL but the files are not served with SSL.
								Many clients will not allow to download episodes. To fix this, serve files via SSL or deactivate tracking.
							<?php 
            }
            ?>
						</li>
					<!-- todo: check regularly and spit user in his face if it blows up -->
					</ul>
				</p>
				<?php 
        }, Settings::$pagehook, 'podlove_settings_episode');
        register_setting(Settings::$pagehook, 'podlove_tracking', function ($args) {
            if (isset($_REQUEST['update_geo_database'])) {
                \Podlove\Geo_Ip::update_database();
            }
            \Podlove\Cache\TemplateCache::get_instance()->setup_purge();
            return $args;
        });
    }
 public function add_geo_data($ip_string)
 {
     try {
         $reader = new \GeoIp2\Database\Reader(\Podlove\Geo_Ip::get_upload_file_path());
     } catch (\Exception $e) {
         return $this;
     }
     try {
         // geo ip lookup
         $record = $reader->city($ip_string);
         $this->lat = $record->location->latitude;
         $this->lng = $record->location->longitude;
         /**
          * Get most specific area for given record, beginning at the given area-type.
          *
          * Missing records will be created on the fly, based on data in $record.
          * 
          * @param object $record GeoIp object
          * @param string $type Area identifier. One of: city, subdivision, country, continent.
          */
         $get_area = function ($record, $type) use(&$get_area) {
             // get parent area for the given area-type
             $get_parent_area = function ($type) use($get_area, $record) {
                 switch ($type) {
                     case 'city':
                         return $get_area($record, 'subdivision');
                         break;
                     case 'subdivision':
                         return $get_area($record, 'country');
                         break;
                     case 'country':
                         return $get_area($record, 'continent');
                         break;
                     case 'continent':
                         // has no parent
                         break;
                 }
                 return null;
             };
             $subRecord = $record->{$type == 'subdivision' ? 'mostSpecificSubdivision' : $type};
             if (!$subRecord->geonameId) {
                 return $get_parent_area($type);
             }
             if ($area = GeoArea::find_one_by_property('geoname_id', $subRecord->geonameId)) {
                 return $area;
             }
             $area = new GeoArea();
             $area->geoname_id = $subRecord->geonameId;
             $area->type = $type;
             if (isset($subRecord->code)) {
                 $area->code = $subRecord->code;
             } elseif (isset($subRecord->isoCode)) {
                 $area->code = $subRecord->isoCode;
             }
             if ($area->type != 'continent') {
                 $parent_area = $get_parent_area($area->type);
                 $area->parent_id = $parent_area->id;
             }
             $area->save();
             // save name and translations
             foreach ($subRecord->names as $lang => $name) {
                 $n = new GeoAreaName();
                 $n->area_id = $area->id;
                 $n->language = $lang;
                 $n->name = $name;
                 $n->save();
             }
             return $area;
         };
         $area = $get_area($record, 'city');
         $this->geo_area_id = $area->id;
     } catch (\Exception $e) {
         // geo lookup might fail, but that's not grave
     }
     return $this;
 }