/// <summary>
/// Creates a new instance of a OpeningAnswer object, and initializes it with the specified property values.
/// </summary>
/// <param name="openingQuestion"></param>
/// <param name="openingParticipant"></param>
/// <param name="answer"></param>
public OpeningAnswer(OpeningQuestion openingQuestion, OpeningParticipant openingParticipant, string answer)
{
if (String.IsNullOrWhiteSpace(answer))
{
throw new ArgumentException("The argument 'answer' cannot be null, empty or whitespace.");
}
this.QuestionId = openingQuestion?.QuestionId ?? throw new ArgumentNullException(nameof(openingQuestion));
this.Question = openingQuestion.Question;
this.OpeningId = openingQuestion?.OpeningId ?? throw new ArgumentNullException(nameof(openingQuestion));
this.Opening = openingQuestion.Opening;
this.OpeningQuestion = openingQuestion;
this.ParticipantId = openingParticipant?.ParticipantId ?? throw new ArgumentNullException(nameof(openingParticipant));
this.Participant = openingParticipant.Participant;
this.OpeningParticipant = openingParticipant;
this.Text = answer;
}
/// <summary>
/// The participant is apply for the opening.
/// </summary>
/// <param name="opening"></param>
/// <param name="participant"></param>
/// <param name="answers"></param>
/// <returns></returns>
private Models.Opening Apply(Entities.Opening opening, Entities.Participant participant, params Models.Answer[] answers)
{
var userId = this.GetUserId();
var participantCount = opening.Participants.Count(p => p.State == OpeningApplicationState.Accepted);
if (opening.MaxParticipants <= participantCount)
{
throw new InvalidOperationException($"The opening has been filled, {participantCount} of {opening.MaxParticipants} applications have been accepted.");
}
if (opening.Participants.Any(p => p.ParticipantId == participant.Id))
{
throw new InvalidOperationException($"Cannot apply for the same opening more than once.");
}
var openingCriteria = opening.Criteria.ToArray().Select(c => (Criteria)c.Criteria);
var activityCriteria = this.Context.ActivityCriteria.Include(ac => ac.Criteria).Where(ac => ac.ActivityId == opening.ActivityId).ToArray().Select(ac => (Criteria)ac.Criteria);
var eventCriteria = this.Context.EventCriteria.Include(ec => ec.Criteria).Where(ec => ec.EventId == opening.Activity.EventId).ToArray().Select(ac => (Criteria)ac.Criteria);
var calendarCriteria = this.Context.CalendarCriteria.Include(cc => cc.Criteria).Where(cc => cc.CalendarId == opening.Activity.Event.CalendarId).ToArray().Select(ac => (Criteria)ac.Criteria);
var criteria = openingCriteria.Concat(activityCriteria).Concat(eventCriteria).Concat(calendarCriteria);
// Validate criteria
if (!criteria.All(c => c.Validate(participant.Attributes.Select(a => a.Attribute).ToArray())))
{
throw new InvalidOperationException($"The participant '{participant.DisplayName}' does not have the required attributes to apply to this opening.");
}
// Validate questions
var answeredQuestionIds = answers?.Select(a => a.QuestionId).ToArray() ?? new int[0];
var hasAnsweredQuestions = opening.Questions.All(q => q.Question.IsRequired && answeredQuestionIds.Contains(q.QuestionId));
if (!hasAnsweredQuestions)
{
throw new InvalidOperationException($"The application is missing an answer to a question.");
}
var state = opening.ApplicationProcess == ApplicationProcess.Review ? OpeningApplicationState.Applied : OpeningApplicationState.Accepted;
var op = new OpeningParticipant(opening, participant, state)
{
AddedById = userId
};
var eanswers = answers?.Select(a => new OpeningAnswer()
{
OpeningId = opening.Id, QuestionId = a.QuestionId, ParticipantId = participant.Id, OpeningParticipant = op, Text = a.Text, AddedById = userId
}).ToArray() ?? new OpeningAnswer[0]; // TODO: Save answer options.
eanswers.ForEach(a => op.Answers.Add(a));
opening.Participants.Add(op);
this.Context.OpeningParticipants.Add(op);
PerformAction(op, ActionTrigger.Apply);
if (opening.ApplicationProcess == ApplicationProcess.AutoAccept)
{
PerformAction(op, ActionTrigger.Accept);
}
var result = this.Map(opening);
Track(opening, result);
return(result);
}