internal static dynamic TryConvertAttributeValue(OrganizationServiceContext context, string entityName, string attributeName, object value, Dictionary <string, AttributeTypeCode?> AttributeTypeCodeDictionary)
{
if (context == null || string.IsNullOrWhiteSpace(entityName) || string.IsNullOrWhiteSpace(attributeName))
{
return(null);
}
if (AttributeTypeCodeDictionary == null || !AttributeTypeCodeDictionary.Any())
{
AttributeTypeCodeDictionary = MetadataHelper.BuildAttributeTypeCodeDictionary(context, entityName);
}
object newValue = null;
var attributeTypeCode = AttributeTypeCodeDictionary.FirstOrDefault(a => a.Key == attributeName).Value;
if (attributeTypeCode == null)
{
ADXTrace.Instance.TraceError(TraceCategory.Application, string.Format("Unable to recognize the attribute '{0}' specified.", attributeName));
return(null);
}
try
{
switch (attributeTypeCode)
{
case AttributeTypeCode.BigInt:
newValue = value == null ? (object)null : Convert.ToInt64(value);
break;
case AttributeTypeCode.Boolean:
newValue = value == null ? (object)null : Convert.ToBoolean(value);
break;
case AttributeTypeCode.Customer:
if (value is EntityReference)
{
newValue = value as EntityReference;
}
else if (value is Guid)
{
var metadata = MetadataHelper.GetEntityMetadata(context, entityName);
var attribute = metadata.Attributes.FirstOrDefault(a => a.LogicalName == attributeName);
if (attribute != null)
{
var lookupAttribute = attribute as LookupAttributeMetadata;
if (lookupAttribute != null && lookupAttribute.Targets.Length == 1)
{
var lookupEntityType = lookupAttribute.Targets[0];
newValue = new EntityReference(lookupEntityType, (Guid)value);
}
}
}
break;
case AttributeTypeCode.DateTime:
newValue = value == null ? (object)null : Convert.ToDateTime(value).ToUniversalTime();
break;
case AttributeTypeCode.Decimal:
newValue = value == null ? (object)null : Convert.ToDecimal(value);
break;
case AttributeTypeCode.Double:
newValue = value == null ? (object)null : Convert.ToDouble(value);
break;
case AttributeTypeCode.Integer:
newValue = value == null ? (object)null : Convert.ToInt32(value);
break;
case AttributeTypeCode.Lookup:
if (value is EntityReference)
{
newValue = value as EntityReference;
}
else if (value is Guid)
{
var metadata = MetadataHelper.GetEntityMetadata(context, entityName);
var attribute = metadata.Attributes.FirstOrDefault(a => a.LogicalName == attributeName);
if (attribute != null)
{
var lookupAttribute = attribute as LookupAttributeMetadata;
if (lookupAttribute != null && lookupAttribute.Targets.Length == 1)
{
var lookupEntityType = lookupAttribute.Targets[0];
newValue = new EntityReference(lookupEntityType, (Guid)value);
}
}
}
break;
case AttributeTypeCode.Memo:
newValue = value as string;
break;
case AttributeTypeCode.Money:
newValue = value == null ? (object)null : Convert.ToDecimal(value);
break;
case AttributeTypeCode.Picklist:
var plMetadata = MetadataHelper.GetEntityMetadata(context, entityName);
var plAttribute = plMetadata.Attributes.FirstOrDefault(a => a.LogicalName == attributeName);
if (plAttribute != null)
{
var picklistAttribute = plAttribute as PicklistAttributeMetadata;
if (picklistAttribute != null)
{
int picklistInt;
OptionMetadata picklistValue;
if (int.TryParse(string.Empty + value, out picklistInt))
{
picklistValue = picklistAttribute.OptionSet.Options.FirstOrDefault(o => o.Value == picklistInt);
}
else
{
picklistValue = picklistAttribute.OptionSet.Options.FirstOrDefault(o => o.Label.GetLocalizedLabelString() == string.Empty + value);
}
if (picklistValue != null && picklistValue.Value.HasValue)
{
newValue = value == null ? null : new OptionSetValue(picklistValue.Value.Value);
}
}
}
break;
case AttributeTypeCode.State:
ADXTrace.Instance.TraceWarning(TraceCategory.Application, string.Format("Attribute '{0}' type '{1}' is unsupported. The state attribute is created automatically when the entity is created. The options available for this attribute are read-only.", attributeName, attributeTypeCode));
break;
case AttributeTypeCode.Status:
if (value == null)
{
return(false);
}
var optionSetValue = new OptionSetValue(Convert.ToInt32(value));
newValue = optionSetValue;
break;
case AttributeTypeCode.String:
newValue = value as string;
break;
default:
ADXTrace.Instance.TraceWarning(TraceCategory.Application, string.Format("Attribute '{0}' type '{1}' is unsupported.", attributeName, attributeTypeCode));
break;
}
}
catch (Exception ex)
{
WebEventSource.Log.GenericWarningException(ex, string.Format("Attribute '{0}' specified is expecting a {1}. The value provided is not valid.", attributeName, attributeTypeCode));
}
return(newValue);
}
public EntityExpressionEvaluator(OrganizationServiceContext context, Entity entity)
{
ServiceContext = context;
EvaluateEntity = entity;
AttributeTypeCodeDictionary = MetadataHelper.BuildAttributeTypeCodeDictionary(context, entity.LogicalName);
}
