private void Init()
{
var expression = new List <string>();
if (_criteria.Filters != null && _criteria.Filters.Filters.Any())
{
expression.Add(_criteria.Filters.ToString());
}
if (_criteria.Sort != null)
{
expression.Add(_criteria.Sort.ToString());
}
if (_criteria.FullTextSearch != null)
{
expression.Add(_criteria.FullTextSearch.ToString());
}
_expression = $"{_criteria.Path}?{string.Join("&", expression)}";
var totalPage = (int)Math.Ceiling((double)Total / _criteria.Paginate.Limit);
_first = new PaginateExpression(1, _criteria.Paginate.Limit);
_last = new PaginateExpression(totalPage, _criteria.Paginate.Limit);
if (_criteria.Paginate.Page > 1)
{
_prev = new PaginateExpression(_criteria.Paginate.Page - 1, _criteria.Paginate.Limit);
}
if (_criteria.Paginate.Page >= totalPage)
{
return;
}
_next = new PaginateExpression(_criteria.Paginate.Page + 1, _criteria.Paginate.Limit);
}
public Criteria(string path, IQueryCollection query)
{
Path = path;
Paginate = PaginateExpression.Extract(query);
Slice = SliceExpression.Extract(query);
FullTextSearch = FullTextSearchExpression <TIn> .Extract(query);
Sort = OrderByExpression <TIn> .Extract(query);
Filters = FilterCollectionExpression <TIn> .Extract(query);
Operators = OperatorCollectionExpression <TIn> .Extract(query);
Embeds = EmbedCollectionExpression <TIn> .Extract(query);
}
public void PaginateExpression_Page_1_With_Default_Limit()
{
//Arrange
var values = new Dictionary <string, StringValues>
{
{ "_page", new StringValues("7") }
};
var query = new QueryCollection(values);
//Act
var paginate = PaginateExpression.Extract(query);
var text = paginate.ToString();
//Assert
text.Should().Be("_page=7&_limit=10");
}
public void PaginateExpression_Page_Empty()
{
//Arrange
var values = new Dictionary <string, StringValues>
{
{ "_pages", new StringValues("7") }
};
var query = new QueryCollection(values);
//Act
var paginate = PaginateExpression.Extract(query);
//Assert
paginate.Should().BeNull();
}
