public SortingContext(IEnumerable<KeyValuePair<string, string>> filters)
{
var dict = filters.ToDictionary(kv => kv.Key, kv => kv.Value);
if (dict.ContainsKey(Constants.SortingQueryName))
{
var props = dict[Constants.SortingQueryName].Split(',').Select(s => s.Trim());
Properties = props.Select(p => new SortingProperty(p));
}
else
{
Properties = new SortingProperty[0];
}
}
public SortingContext(IEnumerable <KeyValuePair <string, string> > filters)
{
var dict = filters.ToDictionary(kv => kv.Key, kv => kv.Value);
if (dict.ContainsKey(Constants.QueryNames.Sorting))
{
var props = dict[Constants.QueryNames.Sorting].Split(',').Select(s => s.Trim());
Properties = props.Select(p => new SortingProperty(p));
}
else
{
Properties = new SortingProperty[0];
}
}
private IQueryable ApplyProperty(IQueryable queryable, SortingProperty property, bool isFirst)
{
try
{
var propertyName = property.Name == "Id" ? _resource.IdProperty : property.Name;
queryable = queryable.ApplyQuery(
GetQueryMethod(property.Direction, isFirst),
Lambda.SelectProperty(queryable.ElementType, propertyName))
as IQueryable;
return queryable;
}
catch (ArgumentException ex)
{
throw MissingProperty(property.Name, ex);
}
}
private IQueryable ApplyProperty(IQueryable queryable, SortingProperty property, bool isFirst)
{
try
{
var propertyName = property.Name == "Id" ? _resource.IdProperty : property.Name;
queryable = queryable.ApplyQuery(
GetQueryMethod(property.Direction, isFirst),
Lambda.SelectProperty(queryable.ElementType, propertyName))
as IQueryable;
return(queryable);
}
catch (ArgumentException ex)
{
throw MissingProperty(property.Name, ex);
}
}
private IEnumerable ApplyProperty(IEnumerable enumerable, SortingProperty property, bool isFirst)
{
try
{
var elementType = enumerable
.GetType()
.GetInterface("IEnumerable`1")
.GetGenericArguments()
.First();
var propertyName = property.Name == "Id" ? _resource.IdProperty : property.Name;
enumerable = enumerable.ApplyQuery(
GetQueryMethod(property.Direction, isFirst),
Lambda.SelectProperty(elementType, propertyName))
as IEnumerable;
return(enumerable);
}
catch (ArgumentException ex)
{
throw MissingProperty(property.Name, ex);
}
}
private IEnumerable ApplyProperty(IEnumerable enumerable, SortingProperty property, bool isFirst)
{
try
{
var elementType = enumerable
.GetType()
.GetInterface("IEnumerable`1")
.GetGenericArguments()
.First();
var propertyName = property.Name == "Id" ? _resource.IdProperty : property.Name;
enumerable = enumerable.ApplyQuery(
GetQueryMethod(property.Direction, isFirst),
Lambda.SelectProperty(elementType, propertyName))
as IEnumerable;
return enumerable;
}
catch (ArgumentException ex)
{
throw MissingProperty(property.Name, ex);
}
}