internal void ExecuteOperation(ResourceObject resource, ResourceOperationType resourceOpType)
{
if (resource == null)
{
throw new ArgumentNullException("resource");
}
this.ValidateResourceOperationType(resourceOpType);
switch (this.Operation)
{
case AttributeOperationType.None:
return;
case AttributeOperationType.Add:
this.PerformAttributeAdd(resource);
break;
case AttributeOperationType.Replace:
this.PerformAttributeReplace(resource);
break;
case AttributeOperationType.Delete:
this.PerformAttributeDelete(resource);
break;
default:
throw new ArgumentException("Unknown or unsupported operation type");
}
}
private void ValidateResourceOperationType(ResourceOperationType resourceOpType)
{
switch (this.Operation)
{
case AttributeOperationType.None:
break;
case AttributeOperationType.Replace:
case AttributeOperationType.Delete:
case AttributeOperationType.Add:
if (resourceOpType == ResourceOperationType.Delete)
{
throw new ArgumentException("Cannot perform an attribute change on a delete operation");
}
break;
default:
throw new ArgumentException("Unknown or unsupported AttributeOperationType: " + this.Operation.ToString());
}
}
public static void ST_ResourceX(this Entities db, Guid id, ResourceOperationType operationType, decimal score = 0M)
{
var today = DateTime.Today;
var year = today.Year;
var month = today.Month;
var count = db.ResourceStatisticsMonthly.Count(o => o.Year == year && o.Month == month && o.Id == id);
if (count == 0)
{
db.ResourceStatisticsMonthly.Add(new ResourceStatisticsMonthly { Id = id, Year = year, Month = month, TimeStamp = DateTime.Now });
db.SaveChanges();
}
var ops = db.ResourceStatisticsMonthly.First(o => o.Year == year && o.Month == month && o.Id == id);
switch (operationType)
{
case ResourceOperationType.Comment:
ops.Comment--;
break;
case ResourceOperationType.Download:
ops.Download--;
break;
case ResourceOperationType.Favourite:
ops.Favourite--;
break;
case ResourceOperationType.Grade:
ops.Grade -= score;
break;
case ResourceOperationType.Rate:
ops.Rate--;
break;
case ResourceOperationType.View:
ops.View--;
break;
}
}
public void UpdateAmount(int difference, int newTotal, ResourceOperationType operationType)
{
AmountText.text = newTotal.ToString();
// TODO: Add animation based on difference and operationType
}
private static string ConstructMessage(string message, ResourceOperationType operationType)
{
return($"Resource operation: {operationType} - Failure reason: {message}");
}
public ResourceOperationException(string message, ResourceOperationType operationType, Exception innerException)
: base(ConstructMessage(message, operationType), innerException)
{
}
public ResourceOperationException(string message, ResourceOperationType operationType)
: base(ConstructMessage(message, operationType))
{
}
