TripService.cs
8,674 bytes
| 1 | using App.BLL.DTO; |
|---|---|
| 2 | using App.BLL.Mappers; |
| 3 | using App.Domain; |
| 4 | using App.Domain.Contracts; |
| 5 | |
| 6 | namespace App.BLL.Services; |
| 7 | |
| 8 | public class TripService : ITripService |
| 9 | { |
| 10 | private readonly IAppUnitOfWork _uow; |
| 11 | private readonly ISettlementService _settlementService; |
| 12 | |
| 13 | public TripService(IAppUnitOfWork uow, ISettlementService settlementService) |
| 14 | { |
| 15 | _uow = uow; |
| 16 | _settlementService = settlementService; |
| 17 | } |
| 18 | |
| 19 | public async Task<TripBllDto> CreateTripAsync(TripBllDto trip, Guid userId) |
| 20 | { |
| 21 | var entity = TripBllDtoFactory.ToEntity(trip); |
| 22 | entity.Id = Guid.NewGuid(); |
| 23 | entity.CreatedById = userId; |
| 24 | entity.Status = ETripStatus.Active; |
| 25 | |
| 26 | _uow.Trips.Add(entity); |
| 27 | |
| 28 | var participant = new TripParticipant |
| 29 | { |
| 30 | Id = Guid.NewGuid(), |
| 31 | TripId = entity.Id, |
| 32 | UserId = userId, |
| 33 | Role = EParticipantRole.Organizer, |
| 34 | JoinedAt = DateTime.UtcNow, |
| 35 | IsActive = true |
| 36 | }; |
| 37 | |
| 38 | _uow.TripParticipants.Add(participant); |
| 39 | |
| 40 | await _uow.SaveChangesAsync(); |
| 41 | |
| 42 | return TripBllDtoFactory.Create(entity); |
| 43 | } |
| 44 | |
| 45 | public async Task<List<TripBllDto>> GetUserTripsAsync(Guid userId) |
| 46 | { |
| 47 | var trips = await _uow.Trips.GetUserTripsAsync(userId); |
| 48 | return TripBllDtoFactory.CreateList(trips, includeParticipants: true); |
| 49 | } |
| 50 | |
| 51 | public async Task<TripBllDto?> GetByIdAsync(Guid tripId, Guid userId) |
| 52 | { |
| 53 | if (!await _uow.TripParticipants.IsParticipantAsync(tripId, userId)) return null; |
| 54 | var trip = await _uow.Trips.GetByIdAsync(tripId); |
| 55 | return trip == null ? null : TripBllDtoFactory.Create(trip); |
| 56 | } |
| 57 | |
| 58 | public async Task<TripBllDto?> GetByIdWithDetailsAsync(Guid tripId, Guid userId) |
| 59 | { |
| 60 | if (!await _uow.TripParticipants.IsParticipantAsync(tripId, userId)) return null; |
| 61 | var trip = await _uow.Trips.GetByIdWithDetailsAsync(tripId); |
| 62 | return trip == null ? null : TripBllDtoFactory.Create(trip, includeParticipants: true, includeExpenses: true); |
| 63 | } |
| 64 | |
| 65 | public async Task<TripBllDto?> GetByIdForOrganizerAsync(Guid tripId, Guid userId) |
| 66 | { |
| 67 | if (!await _uow.TripParticipants.IsOrganizerAsync(tripId, userId)) return null; |
| 68 | var trip = await _uow.Trips.GetByIdAsync(tripId); |
| 69 | return trip == null ? null : TripBllDtoFactory.Create(trip); |
| 70 | } |
| 71 | |
| 72 | public async Task<TripBllDto?> GetRawByIdAsync(Guid tripId) |
| 73 | { |
| 74 | var trip = await _uow.Trips.GetByIdAsync(tripId); |
| 75 | return trip == null ? null : TripBllDtoFactory.Create(trip); |
| 76 | } |
| 77 | |
| 78 | public Task<bool> IsParticipantAsync(Guid tripId, Guid userId) |
| 79 | => _uow.TripParticipants.IsParticipantAsync(tripId, userId); |
| 80 | |
| 81 | public Task<bool> IsOrganizerAsync(Guid tripId, Guid userId) |
| 82 | => _uow.TripParticipants.IsOrganizerAsync(tripId, userId); |
| 83 | |
| 84 | public async Task<TripBllDto?> UpdateAsync(TripBllDto trip, Guid userId) |
| 85 | { |
| 86 | if (!await _uow.TripParticipants.IsOrganizerAsync(trip.Id, userId)) return null; |
| 87 | |
| 88 | var existing = await _uow.Trips.GetByIdAsync(trip.Id); |
| 89 | if (existing == null) return null; |
| 90 | |
| 91 | existing.Name = trip.Name; |
| 92 | existing.Description = trip.Description; |
| 93 | existing.Destination = trip.Destination; |
| 94 | existing.StartDate = trip.StartDate; |
| 95 | existing.EndDate = trip.EndDate; |
| 96 | existing.DefaultCurrencyId = trip.DefaultCurrencyId; |
| 97 | existing.Status = trip.Status; |
| 98 | |
| 99 | _uow.Trips.Update(existing); |
| 100 | await _uow.SaveChangesAsync(); |
| 101 | return TripBllDtoFactory.Create(existing); |
| 102 | } |
| 103 | |
| 104 | public async Task<bool> DeleteAsync(Guid tripId, Guid userId) |
| 105 | { |
| 106 | if (!await _uow.TripParticipants.IsOrganizerAsync(tripId, userId)) return false; |
| 107 | |
| 108 | var trip = await _uow.Trips.GetByIdAsync(tripId); |
| 109 | if (trip == null) return false; |
| 110 | |
| 111 | await _uow.Trips.RemoveAsync(tripId); |
| 112 | await _uow.SaveChangesAsync(); |
| 113 | return true; |
| 114 | } |
| 115 | |
| 116 | public async Task<List<TripParticipantBllDto>> GetParticipantsAsync(Guid tripId, Guid userId) |
| 117 | { |
| 118 | if (!await _uow.TripParticipants.IsParticipantAsync(tripId, userId)) |
| 119 | return new List<TripParticipantBllDto>(); |
| 120 | var participants = await _uow.TripParticipants.GetByTripIdAsync(tripId); |
| 121 | return TripParticipantBllDtoFactory.CreateList(participants); |
| 122 | } |
| 123 | |
| 124 | public Task<List<TripParticipantBllDto>> GetParticipantsForIndexAsync(Guid tripId, Guid userId) |
| 125 | => GetParticipantsAsync(tripId, userId); |
| 126 | |
| 127 | public async Task<TripParticipantBllDto?> GetParticipantByIdAsync(Guid participantId) |
| 128 | { |
| 129 | var participant = await _uow.TripParticipants.GetByIdAsync(participantId); |
| 130 | return participant == null ? null : TripParticipantBllDtoFactory.Create(participant); |
| 131 | } |
| 132 | |
| 133 | public async Task<(bool success, string? errorCode)> RemoveParticipantAsync(Guid tripId, Guid participantUserId, Guid currentUserId) |
| 134 | { |
| 135 | if (!await _uow.TripParticipants.IsOrganizerAsync(tripId, currentUserId)) |
| 136 | return (false, "forbidden"); |
| 137 | |
| 138 | var participants = (await _uow.TripParticipants.GetByTripIdAsync(tripId)).ToList(); |
| 139 | var participant = participants.FirstOrDefault(tp => tp.UserId == participantUserId); |
| 140 | if (participant == null) return (false, "notfound"); |
| 141 | |
| 142 | if (participant.Role == EParticipantRole.Organizer) |
| 143 | return (false, "organizer"); |
| 144 | if (participant.UserId == currentUserId) |
| 145 | return (false, "self"); |
| 146 | |
| 147 | participant.IsActive = false; |
| 148 | participant.LeftAt = DateTime.UtcNow; |
| 149 | _uow.TripParticipants.Update(participant); |
| 150 | await _uow.SaveChangesAsync(); |
| 151 | |
| 152 | return (true, null); |
| 153 | } |
| 154 | |
| 155 | public async Task<bool> RemoveParticipantByIdAsync(Guid tripId, Guid participantId, Guid currentUserId) |
| 156 | { |
| 157 | if (!await _uow.TripParticipants.IsOrganizerAsync(tripId, currentUserId)) |
| 158 | return false; |
| 159 | |
| 160 | var participant = await _uow.TripParticipants.GetByIdAsync(participantId); |
| 161 | if (participant == null || participant.TripId != tripId) return false; |
| 162 | |
| 163 | // Cannot remove yourself |
| 164 | if (participant.UserId == currentUserId) return false; |
| 165 | |
| 166 | participant.IsActive = false; |
| 167 | participant.LeftAt = DateTime.UtcNow; |
| 168 | _uow.TripParticipants.Update(participant); |
| 169 | await _uow.SaveChangesAsync(); |
| 170 | |
| 171 | return true; |
| 172 | } |
| 173 | |
| 174 | public async Task<(bool success, string? errorCode)> FinalizeTripAsync(Guid tripId, Guid userId) |
| 175 | { |
| 176 | if (!await _uow.TripParticipants.IsOrganizerAsync(tripId, userId)) |
| 177 | return (false, "forbidden"); |
| 178 | |
| 179 | var trip = await _uow.Trips.GetByIdAsync(tripId); |
| 180 | if (trip == null) return (false, "notfound"); |
| 181 | if (trip.Status != ETripStatus.Active) return (false, "badstatus"); |
| 182 | |
| 183 | trip.Status = ETripStatus.Finalizing; |
| 184 | _uow.Trips.Update(trip); |
| 185 | await _uow.SaveChangesAsync(); |
| 186 | |
| 187 | // Auto-create settlement plan |
| 188 | var createdPlan = await _settlementService.CalculateSettlementAsync(tripId, userId); |
| 189 | |
| 190 | // If nobody owes anyone, skip straight to Settled. |
| 191 | if (createdPlan == null) |
| 192 | { |
| 193 | trip.Status = ETripStatus.Settled; |
| 194 | await _uow.SaveChangesAsync(); |
| 195 | } |
| 196 | |
| 197 | return (true, null); |
| 198 | } |
| 199 | |
| 200 | public async Task<(bool success, string? errorCode)> ReopenTripAsync(Guid tripId, Guid userId) |
| 201 | { |
| 202 | if (!await _uow.TripParticipants.IsOrganizerAsync(tripId, userId)) |
| 203 | return (false, "forbidden"); |
| 204 | |
| 205 | var trip = await _uow.Trips.GetByIdAsync(tripId); |
| 206 | if (trip == null) return (false, "notfound"); |
| 207 | if (trip.Status != ETripStatus.Finalizing && trip.Status != ETripStatus.Settled) |
| 208 | return (false, "badstatus"); |
| 209 | |
| 210 | var plan = await _uow.SettlementPlans.GetLatestByTripIdAsync(tripId); |
| 211 | if (plan?.Payments != null && plan.Payments.Any(p => p.Status == EPaymentStatus.Confirmed)) |
| 212 | return (false, "payments-confirmed"); |
| 213 | |
| 214 | if (plan != null) |
| 215 | { |
| 216 | await _uow.SettlementPlans.DeletePlanWithPaymentsAsync(plan.Id); |
| 217 | } |
| 218 | |
| 219 | var tripToUpdate = await _uow.Trips.GetByIdAsync(tripId); |
| 220 | if (tripToUpdate == null) return (false, "notfound"); |
| 221 | tripToUpdate.Status = ETripStatus.Active; |
| 222 | _uow.Trips.Update(tripToUpdate); |
| 223 | await _uow.SaveChangesAsync(); |
| 224 | |
| 225 | return (true, null); |
| 226 | } |
| 227 | |
| 228 | public async Task<List<CurrencyBllDto>> GetAllCurrenciesAsync() |
| 229 | { |
| 230 | var currencies = await _uow.GetRepository<Currency>().GetAllAsync(); |
| 231 | return currencies |
| 232 | .OrderBy(c => c.Code) |
| 233 | .Select(CurrencyBllDtoFactory.Create) |
| 234 | .ToList(); |
| 235 | } |
| 236 | } |
| 237 | |