protected ActionResult CacheableView(string viewName, Query.Query query, Func<ModelCollection> modelAccessor, Action<OutputCacheParameters> changeSettings)
{
if (query.IsCacheable)
{
var settings = new OutputCacheParameters
{
Duration = query.CacheDuration,
VaryByParam = null,
VaryByContentEncoding = null,
VaryByControl = null,
VaryByCustom = null,
VaryByHeader = null
};
changeSettings(settings);
return new CacheableViewResult
{
ViewName = viewName,
ViewData = ViewData,
TempData = TempData,
ModelAccessor = modelAccessor,
CacheSettings = settings
};
}
return View(viewName, modelAccessor());
}
public static Query Parse(Type modelType, IQueryable source, QueryAttribute attr)
{
var query = new Query(modelType, source);
if (attr != null)
{
query.Select = ParseSelect(modelType, attr);
query.Where = ParseWhere(attr);
query.OrderBy = ParseOrderBy(modelType, attr);
query.Skip = ParseSkip(attr);
query.Take = ParseTake(attr);
query.CacheDuration = attr.CacheDuration;
query.Include = attr.Include;
query.Parameters = attr.Parameters;
query.Paging = attr.Paging;
query.PageSize = attr.PageSize > 0 ? attr.PageSize : Query.DefaultPageSize;
query.Id = attr.Id;
}
else
query.IsEmpty = true;
return query;
}
internal void ParseKeywords(Query query)
{
foreach (var evaluator in KeywordEvaluators)
{
var value = evaluator.Value(query);
if (query.Where.Expression.Contains(evaluator.Key))
{
var parameterName = string.Format("@{0}", query.Parameters.Length);
query.Where.Expression = query.Where.Expression.Replace(evaluator.Key, parameterName);
var parameters = new List<object>(query.Parameters) {value};
query.Parameters = parameters.ToArray();
}
for (var i = 0; i < query.Parameters.Length; i++)
{
var parameter = query.Parameters[i];
if (parameter != null && parameter.ToString() == evaluator.Key)
query.Parameters[i] = value;
}
}
}