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namespace ${project_name};
public class ValidationException : Exception
{
readonly string currentMessage;
static readonly int indentPerLevel = 2;
string bullet = "";
private readonly List<ValidationException> children = new();
public ValidationException() : this("")
{
}
public ValidationException(string message)
: this(message, new List<ValidationException>())
{
}
public ValidationException(string message, ValidationException child)
: this(message, new List<ValidationException> { child })
{
}
public ValidationException(string message, List<ValidationException> children) : base(message)
{
currentMessage = message;
foreach (ValidationException child in children)
{
this.children.AddRange(child.Simplify());
}
}
private string Summary(int level)
{
string spaces = new(' ', level * indentPerLevel);
return spaces + bullet + this.currentMessage;
}
public ValidationException WithBullet(string bullet)
{
this.bullet = bullet;
return this;
}
List<ValidationException> Simplify()
{
if (this.ToString().Length > 0)
{
return new List<ValidationException> { this };
}
else return this.children;
}
private string PrettyString(int level = 0)
{
List<string> parts = new();
int nextlevel = level;
if (this.currentMessage.Length > 0)
{
parts.Add(this.Summary(level));
nextlevel++;
}
foreach (ValidationException child in children)
{
parts.Add(child.PrettyString(nextlevel));
}
return string.Join('\n', parts);
}
public override string Message => PrettyString();
public override string ToString()
{
return PrettyString();
}
}
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