1 files changed, 139 insertions, 0 deletions
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomsController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomsController.cs
new file mode 100644
index 0000000..c24e6e9
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomsController.cs
@@ -0,0 +1,139 @@
+using System.Text.Json.Serialization;
+using LibMatrix.EventTypes.Spec.State;
+using LibMatrix.EventTypes.Spec.State.RoomInfo;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Responses;
+using LibMatrix.RoomTypes;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers.Rooms;
+
+[ApiController]
+[Route("/_matrix/client/{version}/")]
+public class RoomsController(ILogger<RoomsController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {
+    //createRoom
+    [HttpPost("createRoom")]
+    public async Task<RoomIdResponse> CreateRoom([FromBody] CreateRoomRequest request) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        // var room = new RoomStore.Room($"!{Guid.NewGuid()}:{tokenService.GenerateServerName(HttpContext)}");
+        var room = roomStore.CreateRoom(request, user);
+
+        return new() {
+            RoomId = room.RoomId
+        };
+    }
+
+    [HttpPost("rooms/{roomId}/upgrade")]
+    public async Task<object> UpgradeRoom(string roomId, [FromBody] UpgradeRoomRequest request) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var oldRoom = roomStore.GetRoomById(roomId);
+        if (oldRoom == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        var room = new RoomStore.Room($"!{Guid.NewGuid()}:{tokenService.GenerateServerName(HttpContext)}");
+
+        var eventTypesToTransfer = new[] {
+            RoomServerACLEventContent.EventId,
+            RoomEncryptionEventContent.EventId,
+            RoomNameEventContent.EventId,
+            RoomAvatarEventContent.EventId,
+            RoomTopicEventContent.EventId,
+            RoomGuestAccessEventContent.EventId,
+            RoomHistoryVisibilityEventContent.EventId,
+            RoomJoinRulesEventContent.EventId,
+            RoomPowerLevelEventContent.EventId,
+        };
+
+        var createEvent = room.SetStateInternal(new() {
+            Type = RoomCreateEventContent.EventId,
+            RawContent = new() {
+                ["creator"] = user.UserId
+            }
+        });
+
+        oldRoom.State.Where(x => eventTypesToTransfer.Contains(x.Type)).ToList().ForEach(x => room.SetStateInternal(x));
+
+        room.AddUser(user.UserId);
+
+        // user.Rooms.Add(room.RoomId, room);
+        return new {
+            replacement_room = room.RoomId
+        };
+    }
+
+    public class ReasonBody {
+        [JsonPropertyName("reason")]
+        public string? Reason { get; set; }
+    }
+    [HttpPost("rooms/{roomId}/leave")] // TODO: implement
+    public async Task<object> LeaveRoom(string roomId, [FromBody] ReasonBody body) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+        
+        room.SetStateInternal(new() {
+            Type = RoomMemberEventContent.EventId,
+            TypedContent = new RoomMemberEventContent() {
+                Membership = "leave",
+                Reason = body.Reason
+            },
+            StateKey = user.UserId
+        });
+
+        logger.LogTrace($"User {user.UserId} left room {room.RoomId}");
+        return new {
+            room_id = room.RoomId
+        };
+    }
+}
+
+public class UpgradeRoomRequest {
+    [JsonPropertyName("new_version")]
+    public required string NewVersion { get; set; }
+}
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