public async Task <FinancialProjectDto> Handle(CreateFinancialProjectCommand request, CancellationToken cancellationToken)
{
var entity = new FinancialProject
{
Id = Guid.NewGuid().ToString(),
Title = request.Title,
Description = request.Description
};
var users = new List <FinancialProjectApplicationUser>();
foreach (var applicationUser in request.Users)
{
users.Add(new FinancialProjectApplicationUser
{
FinancialProjectId = entity.Id,
UserId = applicationUser.Id
});
await CreateOweRecord(request.Users, entity.Id, applicationUser.Id, cancellationToken);
}
entity.FinancialProjectApplicationUsers = users;
await _context.FinancialProjects.AddAsync(entity, cancellationToken);
await _context.SaveChangesAsync(cancellationToken);
return(_mapper.Map <FinancialProjectDto>(entity));
}
private async Task AddNewUsers(UpdateFinancialProjectCommand request, FinancialProject entity, CancellationToken cancellationToken)
{
foreach (var newUser in request.Users.Where(newUser => entity.FinancialProjectApplicationUsers
.All(x => x.UserId != newUser)))
{
var user = new FinancialProjectApplicationUser
{
FinancialProjectId = _financialProjectId,
UserId = newUser
};
await _context.FinancialProjectApplicationUsers.AddAsync(user, cancellationToken);
}
}
private async Task RemoveUsers(UpdateFinancialProjectCommand request, FinancialProject entity, IQueryable <OweRecord> oweRecords, CancellationToken cancellationToken)
{
foreach (var removedUser in entity.FinancialProjectApplicationUsers.Where(x => request.Users.All(y => y != x.UserId)))
{
_context.FinancialProjectApplicationUsers.Remove(removedUser);
var recordFromRemovedUser = oweRecords.Where(x => x.UserId == removedUser.UserId);
_context.OweRecords.RemoveRange(recordFromRemovedUser);
var recordToRemovedUser = oweRecords.Where(x => x.OwedUserId == removedUser.UserId);
_context.OweRecords.RemoveRange(recordToRemovedUser);
}
}
