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using System.Collections.Frozen;
using System.Text.Json.Nodes;
using LibMatrix.HomeserverEmulator.Extensions;
using LibMatrix.HomeserverEmulator.Services;
using Microsoft.AspNetCore.Mvc;
namespace LibMatrix.HomeserverEmulator.Controllers.Rooms;
[ApiController]
[Route("/_matrix/client/{version}/rooms/{roomId}/state")]
public class RoomStateController(ILogger<RoomStateController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {
[HttpGet("")]
public async Task<FrozenSet<LegacyMatrixEventResponse>> GetState(string roomId) {
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"
};
return room.State;
}
[HttpGet("{eventType}")]
public async Task<object?> GetState(string roomId, string eventType, [FromQuery] string format = "client") {
return await GetState(roomId, eventType, "", format);
}
[HttpGet("{eventType}/{stateKey}")]
public async Task<object?> GetState(string roomId, string eventType, string stateKey, [FromQuery] string format = "client") {
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"
};
var stateEvent = room.State.FirstOrDefault(x => x.Type == eventType && x.StateKey == stateKey);
if (stateEvent == null) {
Console.WriteLine($"Event not found in room {roomId} matching {eventType}/{stateKey}");
throw new MatrixException() {
ErrorCode = "M_NOT_FOUND",
Error = "Event not found"
};
}
// return stateEvent;
return format == "event" ? stateEvent : stateEvent.RawContent;
}
[HttpPut("{eventType}")]
public async Task<EventIdResponse> SetState(string roomId, string eventType, [FromBody] JsonObject? request) {
return await SetState(roomId, eventType, "", request);
}
[HttpPut("{eventType}/{stateKey}")]
public async Task<EventIdResponse> SetState(string roomId, string eventType, string stateKey, [FromBody] JsonObject? 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 = roomStore.GetRoomById(roomId);
if (room == null)
throw new MatrixException() {
ErrorCode = "M_NOT_FOUND",
Error = "Room not found"
};
var evt = room.SetStateInternal(new LegacyMatrixEvent() { Type = eventType, StateKey = stateKey, RawContent = request }.ToStateEvent(user, room));
evt.Type = eventType;
evt.StateKey = stateKey;
return new EventIdResponse() {
EventId = evt.EventId ?? throw new InvalidOperationException("EventId is null")
};
}
}
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