public async Task <HttpResponseMessage> Get(ODataQueryOptions <Watch> options)
{
var validationSettings = new ODataValidationSettings
{
MaxTop = 100,
AllowedArithmeticOperators = AllowedArithmeticOperators.None,
AllowedFunctions = AllowedFunctions.None,
AllowedLogicalOperators =
AllowedLogicalOperators.Equal | AllowedLogicalOperators.And | AllowedLogicalOperators.GreaterThan | AllowedLogicalOperators.GreaterThanOrEqual | AllowedLogicalOperators.LessThan |
AllowedLogicalOperators.LessThanOrEqual,
AllowedQueryOptions = AllowedQueryOptions.Filter | AllowedQueryOptions.OrderBy |
AllowedQueryOptions.Skip | AllowedQueryOptions.Top | AllowedQueryOptions.InlineCount
};
validationSettings.AllowedOrderByProperties.Add("Name");
validationSettings.AllowedOrderByProperties.Add("Created");
validationSettings.AllowedOrderByProperties.Add("HitsCount");
// Validating OData
try
{
options.Validate(validationSettings);
}
catch (Exception)
{
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ResponseMessages.InvalidQueryOptions));
}
// Parsing filter parameters
DataQueryOptions filter;
try
{
filter = _mapper.Map <ODataQueryOptions, DataQueryOptions>(options);
}
catch (AutoMapperMappingException)
{
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ResponseMessages.InvalidQueryOptions));
}
// Special instructions for UserId filtering
DataFilterRule userIdFilter = filter.Filters.FirstOrDefault(f => string.Compare(f.Name, NameOfHelper.PropertyName <Watch>(x => x.UserId),
StringComparison.OrdinalIgnoreCase) == 0 && f.Type == DataFilterTypes.Equal);
if (userIdFilter == null || userIdFilter.Value == null)
{
// For backward compatibility we treats not specified or empty UserId as current user
if (string.IsNullOrEmpty(UserId))
{
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.Unauthorized, ResponseMessages.UnathorizedRequest));
}
if (userIdFilter == null)
{
userIdFilter = new DataFilterRule {
Name = NameOfHelper.PropertyName <Watch>(x => x.UserId), Type = DataFilterTypes.Equal, Value = UserId
};
filter.Filters.Add(userIdFilter);
}
else
{
userIdFilter.Value = UserId;
}
}
else if (string.Compare(userIdFilter.Value.ToString(), UserIdAllConstant, StringComparison.OrdinalIgnoreCase) == 0)
{
// special constant $all means not filtering by UserId
userIdFilter.Value = null;
}
// Retrieving projects
DataResult <Watch> watchProjects;
try
{
watchProjects = await _watchProjectRepository.GetSequenceAsync(filter, UserId);
}
catch (NotSupportedException)
{
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ResponseMessages.BadRequest));
}
if (filter.Count)
{
var pageResult = new PageResult <Watch>(watchProjects.Results, null, watchProjects.Count);
return(Request.CreateResponse(HttpStatusCode.OK, pageResult));
}
return(Request.CreateResponse(HttpStatusCode.OK, watchProjects.Results));
}
