InvitationsController.cs
6,755 bytes
| 1 | using System.Security.Claims; |
|---|---|
| 2 | using System.Security.Cryptography; |
| 3 | using Asp.Versioning; |
| 4 | using MediatR; |
| 5 | using Microsoft.AspNetCore.Authentication.JwtBearer; |
| 6 | using Microsoft.AspNetCore.Authorization; |
| 7 | using Microsoft.AspNetCore.Mvc; |
| 8 | using SplitApp.Modules.Trips.Api.Dto.v1; |
| 9 | using SplitApp.Modules.Trips.Application.Contracts; |
| 10 | using SplitApp.Modules.Trips.Domain.Entities; |
| 11 | using SplitApp.Modules.Trips.Domain.Enums; |
| 12 | using SplitApp.Shared.Contracts.Users.Queries; |
| 13 | |
| 14 | namespace SplitApp.Modules.Trips.Api.Controllers; |
| 15 | |
| 16 | [ApiVersion("1.0")] |
| 17 | [ApiController] |
| 18 | [Authorize(AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)] |
| 19 | [Route("api/v{version:apiVersion}/[controller]")] |
| 20 | public class InvitationsController : ControllerBase |
| 21 | { |
| 22 | private readonly ITripsUnitOfWork _uow; |
| 23 | private readonly IMediator _mediator; |
| 24 | |
| 25 | public InvitationsController(ITripsUnitOfWork uow, IMediator mediator) |
| 26 | { |
| 27 | _uow = uow; |
| 28 | _mediator = mediator; |
| 29 | } |
| 30 | |
| 31 | [HttpPost] |
| 32 | public async Task<ActionResult<InvitationDto>> Create([FromBody] InvitationCreateDto dto) |
| 33 | { |
| 34 | var userId = CurrentUserId(); |
| 35 | if (userId == null) return Unauthorized(); |
| 36 | |
| 37 | if (!await IsOrganizerAsync(dto.TripId, userId.Value)) return Forbid(); |
| 38 | |
| 39 | var token = Convert.ToBase64String(RandomNumberGenerator.GetBytes(32)) |
| 40 | .Replace("+", "-").Replace("/", "_").TrimEnd('='); |
| 41 | |
| 42 | var invitation = new TripInvitation |
| 43 | { |
| 44 | TripId = dto.TripId, |
| 45 | InvitedByUserId = userId.Value, |
| 46 | Token = token, |
| 47 | Status = EInvitationStatus.Pending, |
| 48 | ExpiresAt = DateTime.UtcNow.AddDays(7), |
| 49 | }; |
| 50 | |
| 51 | _uow.Invitations.Add(invitation); |
| 52 | await _uow.SaveChangesAsync(); |
| 53 | |
| 54 | return CreatedAtAction(nameof(GetByToken), new { token = invitation.Token }, await BuildDtoAsync(invitation)); |
| 55 | } |
| 56 | |
| 57 | [HttpGet("{token}")] |
| 58 | [AllowAnonymous] |
| 59 | public async Task<ActionResult<InvitationDto>> GetByToken(string token) |
| 60 | { |
| 61 | var invitation = await FindByTokenAsync(token); |
| 62 | if (invitation == null) return NotFound(); |
| 63 | |
| 64 | return Ok(await BuildDtoAsync(invitation)); |
| 65 | } |
| 66 | |
| 67 | [HttpPost("{token}/accept")] |
| 68 | public async Task<IActionResult> Accept(string token) |
| 69 | { |
| 70 | var userId = CurrentUserId(); |
| 71 | if (userId == null) return Unauthorized(); |
| 72 | |
| 73 | var invitation = await FindByTokenAsync(token); |
| 74 | if (invitation == null) return NotFound(); |
| 75 | |
| 76 | if (invitation.Status != EInvitationStatus.Pending) |
| 77 | return BadRequest("Invitation is no longer pending."); |
| 78 | |
| 79 | if (invitation.ExpiresAt < DateTime.UtcNow) |
| 80 | { |
| 81 | invitation.Status = EInvitationStatus.Expired; |
| 82 | _uow.Invitations.Update(invitation); |
| 83 | await _uow.SaveChangesAsync(); |
| 84 | return BadRequest("Invitation has expired."); |
| 85 | } |
| 86 | |
| 87 | var allParticipants = await _uow.Participants.GetAllAsync(); |
| 88 | var existingActive = allParticipants.FirstOrDefault(p => |
| 89 | p.TripId == invitation.TripId && p.UserId == userId.Value && p.IsActive); |
| 90 | var existingInactive = allParticipants.FirstOrDefault(p => |
| 91 | p.TripId == invitation.TripId && p.UserId == userId.Value && !p.IsActive); |
| 92 | |
| 93 | if (existingActive != null) |
| 94 | { |
| 95 | return BadRequest("You are already a participant in this trip."); |
| 96 | } |
| 97 | |
| 98 | if (existingInactive != null) |
| 99 | { |
| 100 | existingInactive.IsActive = true; |
| 101 | existingInactive.LeftAt = null; |
| 102 | _uow.Participants.Update(existingInactive); |
| 103 | } |
| 104 | else |
| 105 | { |
| 106 | _uow.Participants.Add(new TripParticipant |
| 107 | { |
| 108 | TripId = invitation.TripId, |
| 109 | UserId = userId.Value, |
| 110 | Role = EParticipantRole.Participant, |
| 111 | JoinedAt = DateTime.UtcNow, |
| 112 | IsActive = true, |
| 113 | }); |
| 114 | } |
| 115 | |
| 116 | invitation.Status = EInvitationStatus.Accepted; |
| 117 | invitation.RespondedAt = DateTime.UtcNow; |
| 118 | _uow.Invitations.Update(invitation); |
| 119 | |
| 120 | await _uow.SaveChangesAsync(); |
| 121 | return Ok(); |
| 122 | } |
| 123 | |
| 124 | [HttpPost("{token}/decline")] |
| 125 | public async Task<IActionResult> Decline(string token) |
| 126 | { |
| 127 | var invitation = await FindByTokenAsync(token); |
| 128 | if (invitation == null) return NotFound(); |
| 129 | |
| 130 | if (invitation.Status != EInvitationStatus.Pending) |
| 131 | return BadRequest("Invitation is no longer pending."); |
| 132 | |
| 133 | invitation.Status = EInvitationStatus.Declined; |
| 134 | invitation.RespondedAt = DateTime.UtcNow; |
| 135 | _uow.Invitations.Update(invitation); |
| 136 | await _uow.SaveChangesAsync(); |
| 137 | return Ok(); |
| 138 | } |
| 139 | |
| 140 | [HttpPost("{token}/revoke")] |
| 141 | public async Task<IActionResult> Revoke(string token) |
| 142 | { |
| 143 | var userId = CurrentUserId(); |
| 144 | if (userId == null) return Unauthorized(); |
| 145 | |
| 146 | var invitation = await FindByTokenAsync(token); |
| 147 | if (invitation == null) return NotFound(); |
| 148 | |
| 149 | if (!await IsOrganizerAsync(invitation.TripId, userId.Value)) return Forbid(); |
| 150 | |
| 151 | invitation.Status = EInvitationStatus.Revoked; |
| 152 | invitation.RespondedAt = DateTime.UtcNow; |
| 153 | _uow.Invitations.Update(invitation); |
| 154 | await _uow.SaveChangesAsync(); |
| 155 | return Ok(); |
| 156 | } |
| 157 | |
| 158 | private Guid? CurrentUserId() |
| 159 | { |
| 160 | var raw = User.FindFirstValue(ClaimTypes.NameIdentifier); |
| 161 | return Guid.TryParse(raw, out var id) ? id : null; |
| 162 | } |
| 163 | |
| 164 | private async Task<TripInvitation?> FindByTokenAsync(string token) |
| 165 | { |
| 166 | var all = await _uow.Invitations.GetAllAsync(); |
| 167 | return all.FirstOrDefault(i => i.Token == token); |
| 168 | } |
| 169 | |
| 170 | private async Task<bool> IsOrganizerAsync(Guid tripId, Guid userId) |
| 171 | { |
| 172 | var trip = await _uow.Trips.GetByIdAsync(tripId); |
| 173 | if (trip == null) return false; |
| 174 | if (trip.CreatedById == userId) return true; |
| 175 | var all = await _uow.Participants.GetAllAsync(); |
| 176 | return all.Any(p => p.TripId == tripId |
| 177 | && p.UserId == userId |
| 178 | && p.IsActive |
| 179 | && p.Role == EParticipantRole.Organizer); |
| 180 | } |
| 181 | |
| 182 | private async Task<InvitationDto> BuildDtoAsync(TripInvitation invitation) |
| 183 | { |
| 184 | var trip = await _uow.Trips.GetByIdAsync(invitation.TripId); |
| 185 | var inviter = await _mediator.Send(new GetUserByIdQuery(invitation.InvitedByUserId)); |
| 186 | |
| 187 | return new InvitationDto |
| 188 | { |
| 189 | Id = invitation.Id, |
| 190 | TripId = invitation.TripId, |
| 191 | TripName = trip?.Name, |
| 192 | Token = invitation.Token, |
| 193 | Status = invitation.Status.ToString(), |
| 194 | ExpiresAt = invitation.ExpiresAt, |
| 195 | InvitedByUserName = inviter?.DisplayName, |
| 196 | }; |
| 197 | } |
| 198 | } |
| 199 | |