1 files changed, 26 insertions, 2 deletions

diff --git a/code/api/Endpoints/Storage/TreeEndpoint.cs b/code/api/Endpoints/Storage/TreeEndpoint.cs
index 857a570..f832034 100644
--- a/code/api/Endpoints/Storage/TreeEndpoint.cs
+++ b/code/api/Endpoints/Storage/TreeEndpoint.cs
@@ -2,8 +2,32 @@ namespace I2R.Storage.Api.Endpoints.Storage;
 
 public class TreeEndpoint : EndpointBase
 {
+    private readonly AppDatabase _database;
+    private readonly IPaginationService _pagination;
+
+    public TreeEndpoint(AppDatabase database, IPaginationService pagination) {
+        _database = database;
+        _pagination = pagination;
+    }
+
     [HttpGet("~/storage/tree")]
-    public async Task<ActionResult> Handle(Guid parent = default) {
-        return Ok();
+    public async Task<ActionResult<KeysetPaginationResult<FileSystemEntry>>> Handle(Guid parent = default) {
+        return Ok(await _pagination.KeysetPaginateAsync(
+            _database.Folders.Include(c => c.Files).ConditionalWhere(() => parent != default, folder => folder.ParentId == parent),
+            b => b.Descending(a => a.Name),
+            async id => await _database.Folders.FirstOrDefaultAsync(c => c.Id == id.AsGuid()),
+            query => query.Select(p => new FileSystemEntry() {
+                Id = p.Id,
+                Name = p.Name,
+                MimeType = SystemConstants.FolderMimeType,
+                SizeInBytes = -1,
+                Files = p.Files.Select(c => new FileSystemEntry() {
+                    Id = c.Id,
+                    Name = c.Name,
+                    MimeType = c.MimeType,
+                    SizeInBytes = c.SizeInBytes
+                }).ToList()
+            })
+        ));
     }
 }
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