feat: simplify materials library and use real metadata

server/src/routes/courses.ts

@@ -49,6 +49,8 @@ export const courseSelect = (publicOnly = false, includeUnreadyMedia = false) =>
               'name', a.name,
               'kind', a.kind,
               'url', a.url,
+              'sizeBytes', a.size_bytes,
+              'createdAt', a.created_at,
               'description', a.description,
               'accessLevel', a.access_level
             ) order by a.created_at)
@@ -81,6 +83,8 @@ export const courseSelect = (publicOnly = false, includeUnreadyMedia = false) =>
         'name', a.name,
         'kind', a.kind,
         'url', a.url,
+        'sizeBytes', a.size_bytes,
+        'createdAt', a.created_at,
         'description', a.description,
         'accessLevel', a.access_level
       ) order by a.created_at)

server/src/routes/manage-courses.ts

@@ -20,6 +20,7 @@ const assetSchema = z.object({
   name: z.string().trim().min(1).max(255),
   kind: z.enum(['document', 'spreadsheet', 'archive', 'image', 'link']),
   url: z.string().url(),
+  sizeBytes: z.number().int().nonnegative().nullable().optional(),
   description: z.string().max(2000).default(''),
   accessLevel: z.enum(['public', 'enrolled']).default('enrolled'),
 });
@@ -85,9 +86,9 @@ async function uniqueSlug(client: PoolClient, requestedSlug: string | undefined,
 async function insertAssets(client: PoolClient, parent: { courseId?: string; lessonId?: string }, assets: CourseInput['assets']) {
   for (const asset of assets) {
     await client.query(
-      `insert into assets (course_id, lesson_id, name, kind, url, description, access_level)
-       values ($1, $2, $3, $4, $5, $6, $7)`,
-      [parent.courseId ?? null, parent.lessonId ?? null, asset.name, asset.kind, asset.url, asset.description, asset.accessLevel],
+      `insert into assets (course_id, lesson_id, name, kind, url, size_bytes, description, access_level)
+       values ($1, $2, $3, $4, $5, $6, $7, $8)`,
+      [parent.courseId ?? null, parent.lessonId ?? null, asset.name, asset.kind, asset.url, asset.sizeBytes ?? null, asset.description, asset.accessLevel],
     );
   }
 }