public async Task <IList <Product> > Build(NameValueCollection qs = null)
{
// include
_query = _context.Products
.Include(p => p.SubImages)
.Include(p => p.SubCategory)
.Include(p => p.Reviews).AsQueryable();
// order clause using strategy
// if qs[Sort] is not defined, assign 0 as default
int sortId = (qs[QueryConstants.Sort] == null) ? 0 : Convert.ToInt32(qs[QueryConstants.Sort]);
SortConstants sortConst = (SortConstants)sortId;
IOrderClauseStrategy orderStrategy = _orderStrategyFactory[sortConst];
_query = orderStrategy.GetOrderClause(_query);
// remove Sort name and value from qs
qs.Remove(QueryConstants.Sort);
// where clause using specification
// add Where clause only when qs include others rather than sort
if (qs.Count != 0)
{
_query = _query.Where(_specificationBuilder.Build(qs)).AsQueryable();
}
return(await _query.ToListAsync());
}
public async Task <IActionResult> Get([FromQuery] TodoQueryParams specParams)
{
return(Ok(new
{
Todos = await _context.Todos.Where(
_specBuilder.Build(specParams).Expression
).ToListAsync()
}));
}
public IExpectInitialLoyaltyPointBalanceSpecification WithIdentity(ISpecificationBuilder <LoyaltyPointAccountIdentitySpecification> specificationBuilder)
{
var specification = new LoyaltyPointAccountSpecification
{
Identity = specificationBuilder.Build()
};
return(new LoyaltyPointAccountSpecificationBuilder(specification));
}
public SearchRequest Create<TModel>(SearchRequestModel data) where TModel : class
{
Check.NotNull(data, "data");
var searchSpecification = data.FilterSettings.Filters.Any()
? _specificationBuilder.Build<TModel>(data.FilterSettings)
: null;
var request = new SearchRequest
{
Specification = searchSpecification,
SortingSettings = data.SortingSettings,
PagingSettings = data.PagingSettings
};
return request;
}
public PasswordFieldValidationRule(string message, string field, ISpecificationBuilder <Test, ITestPasswordSpecification> specificationBuilder)
: base(message, field, specificationBuilder.Build())
{
}
public bool TestValidate(Test test)
{
return(_testPasswordSpecificationBuilder.Build().IsSatisfiedBy(test));
}
public Expression <Func <Product, bool> > Build(NameValueCollection qs)
{
return(_spBuilder.Build(qs));
}