/// <summary>
/// Searches the context for a trait that matches the given name, creating one if none are found
/// </summary>
internal static Trait GetTraitByName(this IRemsDbContext context, string name)
{
var trait = context.Traits.ToArray().FirstOrDefault(t => t.NameMatches(name));
if (trait is null)
{
trait = new Trait()
{
Name = name
};
context.Add(trait);
}
context.SaveChanges();
return(trait);
}
/// <summary>
/// Create an entity of the given type, and attach it to the database after attempting to assign
/// one of its properties the given value
/// </summary>
/// <param name="context">The context to attach the entity to</param>
/// <param name="type">The CLR type of the <see cref="IEntity"/></param>
/// <param name="value">The value to attempt to assign</param>
/// <returns></returns>
public static IEntity CreateEntity(this IRemsDbContext context, Type type, object value)
{
IEntity entity = Activator.CreateInstance(type) as IEntity;
var name = type.GetProperty("Name");
if (name is null)
{
type.GetProperty("SoilType")?.SetValue(entity, value);
}
else
{
name?.SetValue(entity, value);
}
context.Attach(entity);
context.SaveChanges();
return(entity);
}
/// <summary>
/// Adds a trait to the database
/// </summary>
/// <param name="name">Trait name</param>
/// <param name="type">Trait type</param>
/// <returns></returns>
internal static Trait AddTrait(this IRemsDbContext context, string name, string type)
{
var unit = context.Units.FirstOrDefault(u => u.Name == "-");
if (unit is null)
{
unit = new Domain.Entities.Unit()
{
Name = "-"
}
}
;
var trait = new Trait()
{
Name = name,
Type = type,
Unit = unit
};
context.Add(trait);
context.SaveChanges();
return(trait);
}