/// <summary>
/// Resta el valor de una variable
/// </summary>
public void Substract(VariableModel value)
{
VariableModel variable = ConvertToVariable(value);
switch (Type)
{
case VariableType.String:
throw new NotImplementedException($"Cant substract a string. Variable: {Name}");
case VariableType.Numeric:
Value = ConvertToNumeric(this) - ConvertToNumeric(variable);
break;
case VariableType.Boolean:
throw new NotImplementedException($"Cant substract a boolean. Variable: {Name}");
case VariableType.Date:
DateTime?date = ConvertToDate(this);
if (date == null)
{
throw new NotImplementedException($"Source date has a null value. Variable {Name}");
}
else
{
Value = SumSubstractDate(date ?? DateTime.Now, ConvertToString(variable), false);
}
break;
}
}
/// <summary>
/// Suma el valor de una variable
/// </summary>
public void Sum(object value)
{
VariableModel variable = ConvertToVariable(value);
switch (Type)
{
case VariableType.String:
Value = Value?.ToString() + variable.Value?.ToString();
break;
case VariableType.Numeric:
Value = ConvertToNumeric(this) + ConvertToNumeric(variable);
break;
case VariableType.Boolean:
Value = ConvertToBoolean(this) || ConvertToBoolean(variable);
break;
case VariableType.Date:
DateTime?date = ConvertToDate(this);
if (date == null)
{
throw new NotImplementedException($"Source date has a null value. Variable {Name}");
}
else
{
Value = SumSubstractDate(date ?? DateTime.Now, ConvertToString(variable), true);
}
break;
}
}
/// <summary>
/// Obtiene una variable
/// </summary>
public VariableModel Get(string name, int?index = null)
{
VariableModel variable = GetIfExists(name, index);
// Si no existe, crea una variable predeterminada
if (variable == null)
{
variable = new VariableModel(name, null);
}
// Devuelve la variable
return(variable);
}
/// <summary>
/// Compara el valor de la variable con un valor
/// </summary>
public CompareResult Compare(object value)
{
VariableModel target = ConvertToVariable(value);
if (target == null && Value == null)
{
return(CompareResult.Equals);
}
else if (target != null && Value == null)
{
return(CompareResult.LessThan);
}
else if (target == null && Value != null)
{
return(CompareResult.GreaterThan);
}
else
{
switch (Type)
{
case VariableType.Numeric:
return(CompareWithNumeric(ConvertToNumeric(target)));
case VariableType.Date:
return(CompareWithDate(ConvertToDate(target)));
case VariableType.Boolean:
return(CompareWithBoolean(ConvertToBoolean(target)));
case VariableType.String:
return(CompareWithString(ConvertToString(target)));
default:
throw new NotImplementedException($"Cant compare variable {Name} with type {Type} and the value {target}");
}
}
}
/// <summary>
/// Convierte un objeto a un tipo determinado
/// </summary>
private string ConvertToString(VariableModel variable)
{
switch (variable.Value)
{
case DateTime date:
return($"{date:yyyy-MM-dd HH:mm:ss}");
case double number:
return(number.ToString(System.Globalization.CultureInfo.InvariantCulture));
case decimal number:
return(number.ToString(System.Globalization.CultureInfo.InvariantCulture));
case int number:
return(number.ToString(System.Globalization.CultureInfo.InvariantCulture));
case float number:
return(number.ToString(System.Globalization.CultureInfo.InvariantCulture));
case bool boolean:
if (boolean)
{
return("true");
}
else
{
return("false");
}
case string value:
return(value);
default:
return(variable.Value.ToString());
}
}
/// <summary>
/// Añade una variable
/// </summary>
public void Add(VariableModel variable)
{
Add(variable.Name, variable.Value);
}
/// <summary>
/// Convierte un objeto a fecha
/// </summary>
private DateTime?ConvertToDate(VariableModel variable)
{
return(variable.Value.ToString().GetDateTime());
}
/// <summary>
/// Convierte un objeto a boolean
/// </summary>
private bool ConvertToBoolean(VariableModel variable)
{
return(Convert.ToBoolean(variable.Value));
}
/// <summary>
/// Convierte un objeto a numérico
/// </summary>
private double ConvertToNumeric(VariableModel variable)
{
return(Convert.ToDouble(variable.Value));
}