public IQueryable <Conversation> ApplyFilter(IQueryable <Conversation> conversations, Filter filter)
{
var expression = _filterExpressionFactory.Create(filter);
conversations = conversations.Where(expression);
return(conversations);
}
/// <summary>
/// Parses the passes query parameters to a <see cref="ModelFilter{T}" />.
/// </summary>
/// <param name="queryParameters"></param>
/// <returns></returns>
public IModelFilter <T> Parse(NameValueCollection queryParameters)
{
var orderbyField = queryParameters[StringConstants.OrderByParameter];
var selects = queryParameters[StringConstants.SelectParameter];
var filter = queryParameters[StringConstants.FilterParameter];
var skip = queryParameters[StringConstants.SkipParameter];
var top = queryParameters[StringConstants.TopParameter];
var inlineCount = queryParameters[StringConstants.InlineCount];
var includeCount = !string.IsNullOrWhiteSpace(inlineCount) || inlineCount == "allpages";
var filterExpression = _filterExpressionFactory.Create <T>(filter);
var sortDescriptions = _sortExpressionFactory.Create <T>(orderbyField);
var selectFunction = _selectExpressionFactory.Create(selects);
return(new ModelFilter <T>(filterExpression, selectFunction, sortDescriptions,
string.IsNullOrWhiteSpace(skip) ? -1 : Convert.ToInt32(skip),
string.IsNullOrWhiteSpace(top) ? -1 : Convert.ToInt32(top), includeCount));
}
/// <summary>
/// Parses the passes query parameters to a <see cref="ModelFilter{T}"/>.
/// </summary>
/// <param name="queryParameters"></param>
/// <returns></returns>
public IModelFilter <T> Parse(NameValueCollection queryParameters)
{
var orderbyField = queryParameters[StringConstants.OrderByParameter];
var selects = queryParameters[StringConstants.SelectParameter];
var filter = queryParameters[StringConstants.FilterParameter];
var skip = queryParameters[StringConstants.SkipParameter];
var top = queryParameters[StringConstants.TopParameter];
var filterExpression = m_filterExpressionFactory.Create <T>(filter);
var sortDescriptions = m_sortExpressionFactory.Create <T>(orderbyField);
var selectFunction = m_selectExpressionFactory.Create(selects);
var modelFilter = new ModelFilter <T>(
filterExpression,
selectFunction,
sortDescriptions,
skip.IsNullOrWhiteSpace() ? -1 : Convert.ToInt32(skip),
top.IsNullOrWhiteSpace() ? -1 : Convert.ToInt32(top));
return(modelFilter);
}
/// <summary>
/// Parses the passes query parameters to a <see cref="ModelFilter{T}"/>.
/// </summary>
/// <param name="queryParameters"></param>
/// <returns></returns>
public IModelFilter <T> Parse(IEnumerable <KeyValuePair <string, string> > queryParameters)
{
var orderbyField = queryParameters.GetValue(StringConstants.OrderByParameter).FirstOrDefault();
var selects = queryParameters.GetValue(StringConstants.SelectParameter).FirstOrDefault();
var filter = queryParameters.GetValue(StringConstants.FilterParameter).FirstOrDefault();
var skip = queryParameters.GetValue(StringConstants.SkipParameter).FirstOrDefault();
var top = queryParameters.GetValue(StringConstants.TopParameter).FirstOrDefault();
var filterExpression = _filterExpressionFactory.Create <T>(filter);
var sortDescriptions = _sortExpressionFactory.Create <T>(orderbyField);
var selectFunction = _selectExpressionFactory.Create(selects);
var modelFilter = new ModelFilter <T>(
_settings,
filterExpression,
selectFunction,
sortDescriptions,
string.IsNullOrWhiteSpace(skip) ? -1 : Convert.ToInt32(skip),
string.IsNullOrWhiteSpace(top) ? -1 : Convert.ToInt32(top));
return(modelFilter);
}