/// <summary>General factory entrance method which will return a TypedList EntityFields object with the format generated by the factory specified</summary>
/// <param name="relatedTypedListType">The type of typed list the fields are for</param>
/// <returns>The IEntityFields2 instance requested</returns>
public static IEntityFields2 CreateTypedListEntityFieldsObject(TypedListType relatedTypedListType)
{
IEntityFields2 fieldsToReturn=null;
switch(relatedTypedListType)
{
case TypedListType.EmployeesByRegionAndTerritoryTypedList:
fieldsToReturn = (new TypedListClasses.EmployeesByRegionAndTerritoryTypedList()).GetFieldsInfo();
break;
}
return fieldsToReturn;
}
/// <summary>General factory entrance method which will return a TypedList EntityFields object with the format generated by the factory specified</summary>
/// <param name="relatedTypedListType">The type of typed list the fields are for</param>
/// <returns>The IEntityFields2 instance requested</returns>
public static IEntityFields2 CreateTypedListEntityFieldsObject(TypedListType relatedTypedListType)
{
IEntityFields2 fieldsToReturn = null;
switch (relatedTypedListType)
{
case TypedListType.EmployeesByRegionAndTerritoryTypedList:
fieldsToReturn = (new TypedListClasses.EmployeesByRegionAndTerritoryTypedList()).GetFieldsInfo();
break;
}
return(fieldsToReturn);
}
internal static IEntityField2 GetField(TypedListType typedListType, string fieldName)
{
var fields = EntityFieldsFactory.CreateTypedListEntityFieldsObject(typedListType);
return
((IEntityField2)fields.FirstOrDefault(
f => f.Alias.Equals(fieldName, StringComparison.OrdinalIgnoreCase)));
/*
* return
* (IEntityField2)fields.FirstOrDefault(
* f =>
* !string.IsNullOrEmpty(f.Alias)
* ? f.Alias.Equals(fieldName, StringComparison.OrdinalIgnoreCase)
* : f.Name.Equals(fieldName, StringComparison.OrdinalIgnoreCase));
*/
}
public TypedListMetaDetailsResponse GetTypedListMetaDetails(ServiceStack.ServiceInterface.Service service)
{
// The entity meta details don't change per type, so cache these for performance
var cacheKey = string.Format("{0}-typedlist-meta-details", TypedListType.ToString().ToLower());
var metaDetails = CacheClient.Get <TypedListMetaDetailsResponse>(cacheKey);
if (metaDetails != null)
{
return(metaDetails);
}
var request = service.RequestContext.Get <IHttpRequest>();
var appUri = request.GetApplicationUrl().TrimEnd('/');
var baseServiceUri = appUri + request.PathInfo.Replace("/meta", "");
var queryString = request.QueryString["format"] != null ? "&format=" + request.QueryString["format"] : "";
var pkCount = FieldMap.Count(pk => pk.Value.IsPrimaryKey);
var fields = new List <Link>();
var fieldIndex = -1;
foreach (var f in FieldMap)
{
fieldIndex++;
var isUnique = false;
var link = Link.Create(
f.Key.ToCamelCase(), f.Value.DataType.Name, "field",
string.Format("{0}?select={1}{2}", baseServiceUri, f.Key.ToLowerInvariant(), queryString),
string.Format("The {0} field for the {1} resource.", f.Value.Name, typeof(TDto).Name),
new Dictionary <string, string>()
);
var props = new SortedDictionary <string, string>();
props.Add("index", fieldIndex.ToString() /*WRONG: f.Value.FieldIndex.ToString(CultureInfo.InvariantCulture)*/);
if (f.Value.IsPrimaryKey)
{
props.Add("isPrimaryKey", f.Value.IsPrimaryKey.ToString().ToLower());
if (pkCount == 1)
{
isUnique = true;
}
}
if (f.Value.IsForeignKey)
{
props.Add("isForeignKey", "true");
}
if (isUnique)
{
props.Add("isUnique", "true");
}
if (f.Value.IsOfEnumDataType)
{
props.Add("isOfEnumDataType", "true");
}
if (f.Value.IsReadOnly)
{
props.Add("isReadOnly", "true");
}
if (f.Value.IsNullable)
{
props.Add("isNullable", "true");
}
if (f.Value.IsOfEnumDataType)
{
props.Add("isEnumType", "true");
}
if (f.Value.MaxLength > 0)
{
props.Add("maxLength", f.Value.MaxLength.ToString(CultureInfo.InvariantCulture));
}
if (f.Value.Precision > 0)
{
props.Add("precision", f.Value.Precision.ToString(CultureInfo.InvariantCulture));
}
if (f.Value.Scale > 0)
{
props.Add("scale", f.Value.Scale.ToString(CultureInfo.InvariantCulture));
}
link.Properties = new Dictionary <string, string>(props);
fields.Add(link);
}
metaDetails = new TypedListMetaDetailsResponse()
{
Fields = fields.ToArray(),
};
CacheClient.Set(cacheKey, metaDetails);
return(metaDetails);
}
private static IDictionary <string, IEntityField2> GetFieldMap(TypedListType typedListType)
{
return(EntityFieldsFactory.CreateTypedListEntityFieldsObject(typedListType)
.ToDictionary(k => k.Alias, v => (IEntityField2)v));
}
internal static IRelationPredicateBucket ConvertStringToRelationPredicateBucket(TypedListType typedListType, IRelationPredicateBucket predicateBucket, string filterStr)
{
if (string.IsNullOrEmpty(filterStr))
return predicateBucket;
var inferredRelationsList = new List<IEntityRelation>();
var predicate = ConvertStringToPredicate(s => GetField(typedListType, s), null, filterStr, inferredRelationsList);
if (inferredRelationsList.Count > 0)
predicateBucket.Relations.AddRange(inferredRelationsList);
if (predicate != null)
predicateBucket.PredicateExpression.Add(predicate);
return predicateBucket;
}
internal static IEntityField2 GetField(TypedListType typedListType, string fieldName)
{
var fields = EntityFieldsFactory.CreateTypedListEntityFieldsObject(typedListType);
return
(IEntityField2)fields.FirstOrDefault(
f => f.Alias.Equals(fieldName, StringComparison.OrdinalIgnoreCase));
/*
return
(IEntityField2)fields.FirstOrDefault(
f =>
!string.IsNullOrEmpty(f.Alias)
? f.Alias.Equals(fieldName, StringComparison.OrdinalIgnoreCase)
: f.Name.Equals(fieldName, StringComparison.OrdinalIgnoreCase));
*/
}
internal static SortExpression ConvertStringToSortExpression(TypedListType typedListType, string sortStr)
{
return ConvertStringToSortExpression(sortStr, s => GetField(typedListType, s));
}
internal static SortExpression ConvertStringToSortExpression(TypedListType typedListType, string sortStr)
{
return(ConvertStringToSortExpression(sortStr, s => GetField(typedListType, s)));
}
internal static IRelationPredicateBucket ConvertStringToRelationPredicateBucket(TypedListType typedListType, IRelationPredicateBucket predicateBucket, string filterStr)
{
if (string.IsNullOrEmpty(filterStr))
{
return(predicateBucket);
}
var inferredRelationsList = new List <IEntityRelation>();
var predicate = ConvertStringToPredicate(s => GetField(typedListType, s), null, filterStr, inferredRelationsList);
if (inferredRelationsList.Count > 0)
{
predicateBucket.Relations.AddRange(inferredRelationsList);
}
if (predicate != null)
{
predicateBucket.PredicateExpression.Add(predicate);
}
return(predicateBucket);
}
