public void CanGetPageNumbers(int pageNumber, int totalPages, params int[] expected)
{
var query = new LogQuery() {
PageNumber = pageNumber
};
var results = new LogResultSet() {
Page = pageNumber,
TotalPages = totalPages
};
var pageNumbers = new Pager(null, query, results).GetPageNumbers();
CollectionAssert.AreEqual(expected, pageNumbers);
}
public LogResultSet Query(LogQuery criteria)
{
var result = new LogResultSet();
result.TotalEntries = Reader.Count(criteria);
if (criteria.PageSize == 0) {
criteria.PageNumber = 1;
criteria.PageSize = result.TotalEntries;
}
result.PageSize = criteria.PageSize;
result.TotalPages = (result.TotalEntries + result.PageSize - 1) / result.PageSize;
result.Page = criteria.PageNumber;
if (result.Page < 1) result.Page = 1;
if (result.Page > result.TotalPages) result.Page = result.TotalPages;
if (result.Page >= 1)
result.LogEntries = Reader.GetLogEntries(criteria)
.Skip((result.Page - 1) * result.PageSize)
.Take(result.PageSize).ToList();
else
result.LogEntries = new List<LogEntry>(0);
return result;
}
public Pager(Uri baseUrl, LogQuery baseQuery, LogResultSet results)
{
this.baseUrl = baseUrl;
this.baseQuery = baseQuery;
this.results = results;
}
