public static void Init(IValidateable o, TabPage p)
{
foreach (PropertyInfo pr in o.GetType().GetProperties())
{
PropertyInfo pi = o.GetType().GetProperty(pr.Name, typeof(string));
if (pi != null)
{
pi.SetValue(o, p.Controls[pr.Name].Text);
}
}
}
public static void ParseNValidate(IValidateable o, List <ValidationResult> errors)
{
//List<ValidationAttribute> atts = new List<ValidationAttribute>();
//atts.Add(new RegularExpressionAttribute())
o.GetType().GetProperties().Where(el => Attribute.IsDefined(el, typeof(StringLengthAttribute)))
.ToList().ForEach(pr =>
{
TryValidateValue(o, pr.Name, o.GetType().GetProperty(pr.Name).GetValue(o, null), errors);
});
}
public static IEnumerable <string> Validate(this IValidateable obj)
{
List <string> errors = new List <string>();
IEnumerable <PropertyInfo> properties = obj.GetType().GetProperties();
foreach (PropertyInfo property in properties)
{
DisplayAttribute nameAttribute = property.GetCustomAttribute <DisplayAttribute>();
string propName = (nameAttribute == null) ? property.Name : nameAttribute.Name;
object value = property.GetValue(obj);
IEnumerable <ValidationAttribute> attributes = property.GetCustomAttributes <ValidationAttribute>(true);
foreach (ValidationAttribute attribute in attributes)
{
if (!attribute.IsValid(value))
{
errors.Add(attribute.FormatErrorMessage(propName));
}
}
}
return(errors);
}
private static void AddRequiredFieldMissingMessage(ValidationResult result, FormFieldAttribute attr, string propertyName, IValidateable entity)
{
if (!String.IsNullOrEmpty(attr.RequiredMessageResource) && attr.ResourceType != null)
{
var validationProperty = attr.ResourceType.GetTypeInfo().GetDeclaredProperty(attr.RequiredMessageResource);
var validationMessage = (string)validationProperty.GetValue(validationProperty.DeclaringType, null);
result.AddUserError(validationMessage, entity.GetType().Name);
}
else
{
var propertyLabel = GetLabel(attr);
if (String.IsNullOrEmpty(propertyLabel))
{
result.AddSystemError(Resources.ValidationResource.Entity_Header_Null_System.Replace("[NAME]", propertyName), entity.GetType().Name);
}
else
{
result.AddUserError(Resources.ValidationResource.PropertyIsRequired.Replace("[PROPERTYLABEL]", propertyLabel), entity.GetType().Name);
}
}
}
private static void ValidateId(ValidationResult result, IValidateable entity)
{
if (entity is IIDEntity)
{
var idModel = entity as IIDEntity;
if (String.IsNullOrEmpty(idModel.Id))
{
result.AddSystemError(Resources.ValidationResource.IDIsRequired, entity.GetType().Name);
}
else
{
if (idModel.Id == Guid.Empty.ToId())
{
result.AddSystemError(Resources.ValidationResource.IDMustNotBeEmptyGuid, entity.GetType().Name);
}
if (idModel.Id == "0")
{
result.AddSystemError(Resources.ValidationResource.IDMustNotBeZero, entity.GetType().Name);
}
}
}
}
public static bool TryValidateValue(IValidateable o, string propName, object value, ICollection <ValidationResult> errors)
// throws ArgumentNullException and System.ComponentModel.DataAnnotations.ValidationException!!
{
bool isDefined = Attribute.IsDefined(o.GetType().GetProperty(propName), typeof(RegularExpressionAttribute));
ValidationContext vc = new ValidationContext(o, null, null);
var attrList = new List <ValidationAttribute>();
ValidationAttribute att = GetAttribute <RegularExpressionAttribute>(o, propName);
if (att != null)
{
attrList.Add(att);
}
;
//if (( att = GetAttribute<RequiredAttribute>(o, propName)) != null) attrList.Add(att);
if ((att = GetAttribute <StringLengthAttribute>(o, propName)) != null)
{
attrList.Add(att);
}
return(isDefined
? System.ComponentModel.DataAnnotations.Validator.TryValidateValue(value, vc, errors, attrList)
: true);
}
public static A GetAttribute <A>(IValidateable o, string prop) where A : Attribute
{
return(o.GetType().GetProperty(prop).GetCustomAttributes(typeof(A), false).Cast <A>().Single());
}
/// <summary>
/// Validate an IValidateable object.
/// </summary>
/// <param name="entity">Object to validate</param>
/// <param name="action">Action to execute: if not specified, use Any, this is normally used for custom validation routines</param>
/// <param name="requirePopulatedEHValues">If this is set to true it will require that the entire object graphs, including traversing through EntityHeader<T>.Value will be required if the parameter is required.</param>
/// <returns></returns>
public static ValidationResult Validate(IValidateable entity, Actions action = Actions.Any, bool requirePopulatedEHValues = false)
{
var result = new ValidationResult();
if (entity == null)
{
if (SLWIOC.Contains(typeof(ILogger)))
{
var logger = SLWIOC.Get <ILogger>();
logger.AddException("Validator_Validate", new Exception("NULL Value Passed to Validate Method"));
}
result.AddSystemError("Null Value Provided for model on upload.");
return(result);
}
ValidateAuditInfo(result, entity);
ValidateId(result, entity);
var properties = entity.GetType().GetTypeInfo().GetAllProperties();
foreach (var prop in properties)
{
var attr = prop.GetCustomAttributes(typeof(FormFieldAttribute), true).OfType <FormFieldAttribute>().FirstOrDefault();
if (attr != null)
{
ValidateProperty(attr, result, entity, prop, action);
}
}
var methods = entity.GetType().GetTypeInfo().DeclaredMethods;
foreach (var method in methods)
{
var attr = method.GetCustomAttributes(typeof(CustomValidatorAttribute), true).OfType <CustomValidatorAttribute>().FirstOrDefault();
if (attr != null)
{
CallCustomValidationRoutine(attr, result, entity, method, action);
}
}
foreach (var prop in properties)
{
var attr = prop.GetCustomAttributes(typeof(FormFieldAttribute), true).OfType <FormFieldAttribute>().FirstOrDefault();
var propValue = prop.GetValue(entity);
if (propValue != null)
{
if (propValue is IValidateable validateablePropValue)
{
var childResult = Validator.Validate(validateablePropValue, action);
result.Concat(childResult);
}
if (propValue.GetType().GetTypeInfo().IsGenericType&&
propValue.GetType().GetGenericTypeDefinition() == typeof(EntityHeader <>))
{
var valueProperty = propValue.GetType().GetTypeInfo().GetDeclaredProperty("Value");
if (valueProperty.GetValue(propValue) is IValidateable validatableChild)
{
var childResult = Validator.Validate(validatableChild, action);
result.Concat(childResult);
}
else
{
if (attr != null && attr.IsRequired && requirePopulatedEHValues)
{
AddRequiredFieldMissingMessage(result, attr, prop.Name);
}
}
}
if (prop.GetValue(entity) is System.Collections.IEnumerable listValues)
{
foreach (var listValue in listValues)
{
if (listValue is IValidateable validatableListValue)
{
var childResult = Validator.Validate(validatableListValue, action);
result.Concat(childResult);
}
}
}
}
}
return(result);
}
private static void ValidateString(ValidationResult result, PropertyInfo propertyInfo, FormFieldAttribute attr, String value, IValidateable entity)
{
var propertyLabel = GetLabel(attr);
if (String.IsNullOrEmpty(propertyLabel))
{
propertyLabel = propertyInfo.Name;
}
if (String.IsNullOrEmpty(value) && attr.IsRequired)
{
var validationMessage = String.Empty;
if (attr.FieldType == FieldTypes.Hidden)
{
result.AddSystemError(Resources.ValidationResource.SystemMissingProperty.Replace("[PROPERTYNAME]", propertyInfo.Name), entity.GetType().Name);
}
else
{
if (!String.IsNullOrEmpty(attr.RequiredMessageResource) && attr.ResourceType != null)
{
var validationProperty = attr.ResourceType.GetTypeInfo().GetDeclaredProperty(attr.RequiredMessageResource);
result.AddUserError((string)validationProperty.GetValue(validationProperty.DeclaringType, null), entity.GetType().Name);
}
else if (!String.IsNullOrEmpty(attr.LabelDisplayResource))
{
validationMessage = Resources.ValidationResource.PropertyIsRequired.Replace("[PROPERTYLABEL]", propertyLabel);
result.AddUserError(validationMessage, entity.GetType().Name);
}
else
{
result.AddSystemError(Resources.ValidationResource.SystemMissingProperty.Replace("[PROPERTYNAME]", propertyInfo.Name), entity.GetType().Name);
}
}
}
if (!String.IsNullOrEmpty(value))
{
if (attr.FieldType == FieldTypes.Key)
{
var reEx = new Regex("^[a-z0-9]{3,30}$");
if (!reEx.Match(value).Success)
{
if (attr.ResourceType == null)
{
throw new Exception($"Validating String - Reg Ex Validation has a resource text, but no resource type for field [{attr.LabelDisplayResource}]");
}
result.AddUserError(ValidationResource.Common_Key_Validation, entity.GetType().Name);
}
}
if (!String.IsNullOrEmpty(attr.RegExValidation))
{
var reEx = new Regex(attr.RegExValidation);
if (!reEx.Match(value).Success)
{
if (attr.ResourceType == null)
{
throw new Exception($"Validating String - Reg Ex Validation was invalid, but no resource type for field [{attr.LabelDisplayResource}]");
}
if (String.IsNullOrEmpty(attr.RegExValidationMessageResource))
{
throw new Exception($"Validating String - Reg Ex Validation was invalid, [RegExValidationMessageResource] was null or empty and could not lookup error message for invalid field [{attr.LabelDisplayResource}].");
}
else
{
var validationProperty = attr.ResourceType.GetTypeInfo().GetDeclaredProperty(attr.RegExValidationMessageResource);
if (validationProperty == null)
{
throw new Exception($"Validating String - Reg Ex Validation was invalid, but could not find validation message resource for field [{attr.LabelDisplayResource}]");
}
else
{
result.AddUserError((string)validationProperty.GetValue(validationProperty.DeclaringType, null), entity.GetType().Name);
}
}
}
}
if (attr.MinLength.HasValue && attr.MaxLength.HasValue)
{
if (value.Length < attr.MinLength || value.Length > attr.MaxLength)
{
result.AddUserError(Resources.ValidationResource.ValueLength_Between.Replace("[PROPERTY]", propertyLabel).Replace("[MIN]", attr.MinLength.ToString()).Replace("[MAX]", attr.MaxLength.ToString()), entity.GetType().Name);
}
}
else if (attr.MaxLength.HasValue)
{
if (value.Length > attr.MaxLength)
{
result.AddUserError(Resources.ValidationResource.ValueLength_TooLong.Replace("[PROPERTY]", propertyLabel).Replace("[MAX]", attr.MaxLength.ToString()), entity.GetType().Name);
}
}
else if (attr.MinLength.HasValue)
{
if (value.Length < attr.MinLength)
{
result.AddUserError(Resources.ValidationResource.ValueLength_TooShort.Replace("[PROPERTY]", propertyLabel).Replace("[MIN]", attr.MinLength.ToString()), entity.GetType().Name);
}
}
}
}
private static void ValidateAuditInfo(ValidationResult result, IValidateable entity)
{
if (entity is IAuditableEntity)
{
var auditableModel = entity as IAuditableEntity;
if (String.IsNullOrEmpty(auditableModel.CreationDate))
{
result.AddSystemError(Resources.ValidationResource.CreationDateRequired, entity.GetType().Name);
}
else if (!auditableModel.CreationDate.SuccessfulJSONDate())
{
if (DateTime.TryParse(auditableModel.CreationDate, CultureInfo.CurrentCulture, System.Globalization.DateTimeStyles.AssumeUniversal, out DateTime dateTime))
{
auditableModel.CreationDate = dateTime.ToJSONString();
}
else
{
result.AddSystemError(Resources.ValidationResource.CreationDateInvalidFormat + " " + auditableModel.CreationDate, entity.GetType().Name);
}
}
if (String.IsNullOrEmpty(auditableModel.LastUpdatedDate))
{
result.AddSystemError(Resources.ValidationResource.LastUpdatedDateRequired, entity.GetType().Name);
}
else if (!auditableModel.LastUpdatedDate.SuccessfulJSONDate())
{
if (DateTime.TryParse(auditableModel.LastUpdatedDate, CultureInfo.CurrentCulture, System.Globalization.DateTimeStyles.AssumeUniversal, out DateTime dateTime))
{
auditableModel.LastUpdatedDate = dateTime.ToJSONString();
}
else
{
result.AddSystemError(Resources.ValidationResource.LastUpdateDateInvalidFormat + " " + auditableModel.LastUpdatedDate, entity.GetType().Name);
}
}
if (auditableModel.LastUpdatedBy == null)
{
result.AddSystemError(Resources.ValidationResource.LastUpdatedByNotNull, entity.GetType().Name);
}
else
{
if (String.IsNullOrEmpty(auditableModel.LastUpdatedBy.Id))
{
result.AddSystemError(Resources.ValidationResource.LastUpdatedByIdNotNullOrEmpty, entity.GetType().Name);
}
else if (!auditableModel.LastUpdatedBy.Id.SuccessfulId())
{
result.AddSystemError(Resources.ValidationResource.LastUpdatedByIdInvalidFormat, entity.GetType().Name);
}
if (String.IsNullOrEmpty(auditableModel.LastUpdatedBy.Text))
{
result.AddSystemError(Resources.ValidationResource.LastUpdatedByTextNotNullOrEmpty, entity.GetType().Name);
}
}
if (auditableModel.CreatedBy == null)
{
result.AddSystemError(Resources.ValidationResource.CreatedByNotNull, entity.GetType().Name);
}
else
{
if (String.IsNullOrEmpty(auditableModel.CreatedBy.Id))
{
result.AddSystemError(Resources.ValidationResource.CreatedByIdNotNullOrEmpty, entity.GetType().Name);
}
else if (!auditableModel.CreatedBy.Id.SuccessfulId())
{
result.AddSystemError(Resources.ValidationResource.CreatedByIdInvalidFormat, entity.GetType().Name);
}
if (String.IsNullOrEmpty(auditableModel.CreatedBy.Text))
{
result.AddSystemError(Resources.ValidationResource.CreatedByTextNotNullOrEmpty, entity.GetType().Name);
}
}
}
}
