feat: include institution information on OS book list

src/Bootstrap.php

@@ -12,6 +12,7 @@
 use PressbooksMultiInstitution\Services\PermissionsManager;
 use PressbooksMultiInstitution\Views\BookList;
 use PressbooksMultiInstitution\Views\UserList;
+use PressbooksMultiInstitution\Views\WpBookList;
 
 /**
  * Class Bootstrap
@@ -39,6 +40,7 @@ public function setUp(): void
         $this->loadTranslations();
 
         Container::getInstance()->singleton(BookList::class, fn () => new BookList(app('db')));
+        Container::getInstance()->singleton(WpBookList::class, fn () => new WpBookList);
         Container::getInstance()->singleton(UserList::class, fn () => new UserList(app('db')));
     }
 

src/Services/PermissionsManager.php

@@ -9,6 +9,8 @@
 use PressbooksMultiInstitution\Views\BookList;
 use PressbooksMultiInstitution\Views\UserList;
 
+use PressbooksMultiInstitution\Views\WpBookList;
+
 use function Pressbooks\Admin\NetworkManagers\_restricted_users;
 use function PressbooksMultiInstitution\Support\get_allowed_book_pages;
 use function PressbooksMultiInstitution\Support\get_allowed_pages;
@@ -38,6 +40,7 @@ public function setupFilters(): void
 
         Container::get(TableViews::class)->init();
         Container::get(BookList::class)->init();
+        Container::get(WpBookList::class)->init();
         Container::get(UserList::class)->init();
 
         do_action('pb_institutional_filters_created', $institution, $institutionalManagers, $institutionalUsers);

src/Views/WpBookList.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace PressbooksMultiInstitution\Views;
+
+use PressbooksMultiInstitution\Models\Institution;
+
+use WP_Site_Query;
+
+use function PressbooksMultiInstitution\Support\get_institution_by_manager;
+
+class WpBookList
+{
+    public function init(): void
+    {
+        add_filter('wpmu_blogs_columns', [$this, 'addInstitutionColumn']);
+        add_action('manage_sites_custom_column', [$this, 'renderInstitutionColumn'], 10, 2);
+        add_filter('manage_sites-network_sortable_columns', [$this, 'addInstitutionAsSortableColumn']);
+
+        // Modify WP_Site_Query clauses
+        add_filter('sites_clauses', function (array $clauses): array {
+            if (get_current_screen()?->id !== 'sites-network') {
+                return $clauses;
+            }
+
+            if (! is_main_site()) {
+                return $clauses;
+            }
+
+            if (! is_super_admin()) {
+                return $clauses;
+            }
+
+            // TODO: find a better way other than clearing the cache
+            wp_cache_flush_group('site-queries');
+
+            global $wpdb;
+
+            $clauses['join'] .= " LEFT JOIN {$wpdb->base_prefix}institutions_blogs ON {$wpdb->blogs}.blog_id = {$wpdb->base_prefix}institutions_blogs.blog_id";
+            $clauses['join'] .= " LEFT JOIN {$wpdb->base_prefix}institutions ON {$wpdb->base_prefix}institutions_blogs.institution_id = {$wpdb->base_prefix}institutions.id";
+
+            $clauses['fields'] .= ", {$wpdb->base_prefix}institutions.name AS institution";
+
+            $institutionId = get_institution_by_manager();
+
+            if ($institutionId > 0) {
+                $clauses['where'] .= $wpdb->prepare(" AND {$wpdb->base_prefix}institutions.id = %d", $institutionId);
+            }
+
+            $orderBy = $_REQUEST['orderby'] ?? null;
+            $order = $_REQUEST['order'] ?? 'asc';
+
+            if ($orderBy === 'institution') {
+                $clauses['orderby'] = $order === 'asc'
+                    ? "{$wpdb->base_prefix}institutions.name ASC"
+                    : "{$wpdb->base_prefix}institutions.name DESC";
+            }
+
+            return $clauses;
+        });
+
+        //        add_filter('sites_pre_query', function (array|null $site_data, WP_Site_Query $query): array|null {
+        //            dump($site_data);
+        //
+        //            dump($query);
+        //
+        //            return $site_data;
+        //        }, 10, 2);
+    }
+
+    public function addInstitutionColumn(array $columns): array
+    {
+        return [
+            ... array_splice($columns, 0, 4),
+            'institution' => __('Institution', 'pressbooks-multi-institution'),
+            ...$columns,
+        ];
+    }
+
+    public function renderInstitutionColumn(string $columnId, int $blogId): void
+    {
+        if ($columnId !== 'institution') {
+            return;
+        }
+
+        if (is_main_site($blogId)) {
+            return;
+        }
+
+        /** @var Institution|null $institution */
+        $institution = Institution::query()
+            ->whereHas('books', fn ($query) => $query->where('blog_id', $blogId))
+            ->first();
+
+        echo $institution->name ?? __('Unassigned', 'pressbooks-multi-institution');
+    }
+
+    public function addInstitutionAsSortableColumn(array $columns): array
+    {
+        return [
+            ...$columns,
+            'institution' => 'institution',
+        ];
+    }
+}