xprs-io - Main data structure proposition

entities.cs

public class User
{
	public Guid Id { get; set; }
	public Member Member { get; set; }
	
	// authentication data
}

public class Member
{
	public Guid Id { get; set; }
	public User User { get; set; }
	public Participant[] Aliases { get; set; }
	public Subscription[] Donations { get; set; }
	
	public string FirstName { get; set; }
	public string LastName { get; set; }
	public string Email { get; set; }
	
	public string Culture { get; set; }
	
	public DateTime Birthdate { get; set; }
	
	public DateTime Created { get; set; }
}

public class Participant
{
	public Guid Id { get; set; }
	public Community Community { get; set; }
	public Member Member { get; set; }
	
	public string Alias { get; set; }
	
	public Subscription CurrentSubscription { get; set; }
	public Subscription[] PastSubscriptions { get; set; }
	
	public DateTime Created { get; set; }
}

public class Owner
{
	public Guid Id { get; set; }
	public Participant Participant { get; set; }
	public float Share { get; set; }
}

public class Community
{
	public Guid Id { get; set; }
	public Community Parent { get; set; }
	public Community[] Children { get; set; }
	public Owner[] Owners { get; set; }
	public Tag[] Tags { get; set; }
	
	public string Name { get; set; }
	public string Url { get; set; }
	public string Description { get; set; }
	
	public DateTime Created { get; set; }
	public DateTime Modified { get; set; }
}

public class Contribution
{
	public Guid Id { get; set; }
	public Community Community { get; set; }
	public Participant Creator { get; set; }
	public Owner[] Owners { get; set; }
	public Milestone[] Milestones { get; set; }
	public Subscription Deal { get; set; }
	public Tag[] Tags { get; set; }
	
	public string Name { get; set; }
	public string Description { get; set; }
	
	public DateTime Created { get; set; }
	public DateTime Modified { get; set; }
}

public class Milestone
{
	public Guid Id { get; set; }
	public Contribution Contribution { get; set; }
	public Version[] Versions { get; set; }
	public Tag[] Tags { get; set; }
	
	public string Name { get; set; }
	
	public DateTime Created { get; set; }
	public DateTime Modified { get; set; }
}

public class Version
{
	public Guid Id { get; set; }
	public Milestone Milestone { get; set; }
	
	public string Descriptor { get; set; }
	
	public DateTime Created { get; set; }
	
	public string FileDescriptor { get; set; }
}

public class Subscription
{
	public Guid Id { get; set; }
	public SubscriptionType Type { get; set; }
	
	public DateTime Created { get; set; }
	public DateTime? Expire { get; set; }
	
	// payment data
}

// Donation
// Monthly
// Commission
public class SubscriptionType
{
	public Guid Id { get; set; }
	
	public string Name { get; set; }
}

public class Tag
{
	public Guid Id { get; set; }
	public Tag Parent { get; set; }
	public Tag[] Children { get; set; }
	
	public string Name { get; set; }
}

public class Likes
{
	public Participant Participant { get; set; }
	public Contribution Contribution { get; set; }
	
	public DateTime Created { get; set; }
}

public class Comments
{
	public Participant Participant { get; set; }
	public Contribution Contribution { get; set; }
	
	public string Title { get; set; }
	public string Description { get; set; }
	
	public DateTime Created { get; set; }
	public DateTime Modified { get; set; }
}