private IQueryable <Article> RestrictDate(IQueryable <Article> query, ArticleServiceOptions options)
{
bool hasStartDate = options.DateStart.HasValue;
bool hasEndDate = options.DateEnd.HasValue;
if (!hasStartDate && !hasEndDate)
{
return(query);
}
else if (hasStartDate && hasEndDate && (options.DateStart.Value > options.DateEnd.Value))
{
return(query);
}
else
{
string propertyName = options.ArticleType.Value == ArticleType.Highlighted
? "HighlightedAt"
: options.ArticleType.Value == ArticleType.Published
? "PublishedAt"
: "CreatedAt";
if (hasStartDate)
{
query = query.Where(a => EF.Property <DateTime>(a, propertyName) >= options.DateStart.Value);
}
if (hasEndDate)
{
query = query.Where(a => EF.Property <DateTime>(a, propertyName) <= options.DateEnd.Value);
}
}
return(query);
}
public ArticleServiceOptions Merge(ArticleServiceOptions options)
{
Offset = Offset ?? options.Offset;
Limit = Limit ?? options.Limit;
IncludeImages = IncludeImages ?? options.IncludeImages;
SearchString = SearchString ?? options.SearchString;
ArticleType = ArticleType ?? options.ArticleType;
SearchType = SearchType ?? options.SearchType;
DateStart = DateStart ?? options.DateStart;
DateEnd = DateEnd ?? options.DateEnd;
return(this);
}
private IQueryable <Article> RestrictSearch(IQueryable <Article> query, ArticleServiceOptions options)
{
string filteredSearchString = options.SearchString.Trim().ToLower();
if (filteredSearchString.Length > 0)
{
bool isName = options.SearchType.Value.HasFlag(ArticleSearchType.Name);
bool isLead = options.SearchType.Value.HasFlag(ArticleSearchType.Lead);
bool isContent = options.SearchType.Value.HasFlag(ArticleSearchType.Content);
if (isName || isLead || isContent)
{
query = query.Where(a =>
(isName && a.Name.ToLower().Contains(filteredSearchString)) ||
(isLead && a.Lead.ToLower().Contains(filteredSearchString)) ||
(isContent && a.Content.ToLower().Contains(filteredSearchString)));
}
}
return(query);
}
