/// <summary>
/// Expands the JSON property names by adding intermediary values within a specified hierarchical name.
/// </summary>
private static string[] Expand(IEnumerable <string>?names)
{
var sb = new StringBuilder();
var kod = new KeyOnlyDictionary <string>();
if (names != null)
{
foreach (var f in names)
{
sb.Clear();
var parts = f.Split('.');
for (int i = 0; i < parts.Length; i++)
{
if (i > 0)
{
sb.Append(".");
}
sb.Append(parts[i]);
kod.Add(sb.ToString());
}
}
}
return(kod.Keys.ToArray());
}
/// <summary>
/// Validate the property value.
/// </summary>
/// <param name="context">The <see cref="PropertyContext{TEntity, TProperty}"/>.</param>
public override Task ValidateAsync(PropertyContext <TEntity, TProperty?> context)
{
Beef.Check.NotNull(context, nameof(context));
if (context.Value == null)
{
return(Task.CompletedTask);
}
if (context.Value.ContainsInvalidItems())
{
context.CreateErrorMessage(ErrorText ?? ValidatorStrings.InvalidFormat);
return(Task.CompletedTask);
}
// Check Min and Max counts.
if (context.Value.Count < MinCount)
{
context.CreateErrorMessage(ErrorText ?? ValidatorStrings.MinCountFormat, MinCount);
}
else if (MaxCount.HasValue && context.Value.Count > MaxCount.Value)
{
context.CreateErrorMessage(ErrorText ?? ValidatorStrings.MaxCountFormat, MaxCount);
}
// Check duplicates.
var dict = new KeyOnlyDictionary <string?>();
foreach (var item in context.Value.ToRefDataList().Where(x => x.IsValid))
{
if (dict.ContainsKey(item.Code))
{
context.CreateErrorMessage(ErrorText ?? ValidatorStrings.DuplicateValueFormat, context.Text, item.ToString());
return(Task.CompletedTask);
}
dict.Add(item.Code);
}
return(Task.CompletedTask);
}