/// <summary>
/// Validates form fields passed against a form and returns an Json result.
/// </summary>
/// <param name="formToValidate">Form instance to validate against.</param>
/// <param name="data">Form values to validate.</param>
/// <returns>Action result containing Json.</returns>
protected ActionResult CleanForm(Form formToValidate, FormCollection data)
{
var fields = formToValidate.Fields;
var errors = new ErrorDictionary();
var cleanedData = new NameObjectDictionary();
foreach (string fieldName in data.Keys)
{
IField field;
// Check if supplied field is valid
if (fields.TryGetValue(fieldName, out field))
{
object value = field.Widget.GetValueFromDataCollection(data, null, fieldName);
try
{
cleanedData.Add(fieldName, field.Clean(value));
// Do custom validation
if (field.CustomClean != null)
{
cleanedData = field.CustomClean(cleanedData);
}
}
catch (ValidationException vex)
{
errors.Add(fieldName, vex.Messages);
}
}
}
if (errors.Count == 0)
{
return(Json(new { isValid = true }));
}
else
{
return(Json(new { isValid = false, errors = errors }));
}
}
/// <summary>
/// Do a full clean (validation) on all fields
/// </summary>
public virtual void FullClean()
{
this._errors = new ErrorDictionary();
}
