public IHttpActionResult GetTasks([FromUri] TaskResourceParameters parameters)
{
try
{
var pagedList = _taskReadRepository.ToPagedList(parameters);
var previousPageLink = pagedList.HasPrevious ?
CreateTaskResourceUri(parameters,
ResourceUriType.PreviousPage) : null;
var nextPageLink = pagedList.HasNext ?
CreateTaskResourceUri(parameters,
ResourceUriType.NextPage) : null;
var taskDto = AutoMapper.Mapper.Map <IEnumerable <TaskDetailDto> >(pagedList);
var response = Request.CreateResponse(HttpStatusCode.OK, taskDto);
response.Headers.Add("X-Pagination-PageNumber", pagedList.CurrentPage.ToString());
response.Headers.Add("X-Pagination", Newtonsoft.Json.JsonConvert.SerializeObject(pagedList.MetaData(previousPageLink, nextPageLink)));
return(ResponseMessage(response));
}
catch (Exception ex)
{
//LOG
//return StatusCode(HttpStatusCode.InternalServerError);
return(InternalServerError(new Exception("An unexpected error occured! Please try again later!")));
}
}
private string CreateTaskResourceUri(
TaskResourceParameters parameters,
ResourceUriType type)
{
var _urlHelper = new UrlHelper(Request);
int pageAdjustment = type.GetPageAdjustment();
return(Url.Link("GetTasks",
new
{
searchQuery = parameters.SearchQuery,
name = parameters.Name,
pageNumber = parameters.PageNumber + pageAdjustment,
pageSize = parameters.PageSize,
orderBy = parameters.OrderBy
}));
}
public static PagedList <Task> ToPagedList(this IReadRepository <Task> repo, TaskResourceParameters parameters)
{
parameters = parameters ?? new TaskResourceParameters();
var tasks = repo.List().OrderBy(t => t.Name).AsQueryable();
if (!string.IsNullOrEmpty(parameters.Name))
{
tasks = tasks.Where(t => t.Name.ToLower() == parameters.Name.ToLower());
}
if (!string.IsNullOrEmpty(parameters.SearchQuery))
{
var searchQuery = parameters.SearchQuery.ToLower();
tasks = tasks.Where(t => t.Name.ToLower().Contains(searchQuery) ||
t.Description.ToLower().Contains(searchQuery));
}
return(PagedList <Task> .Create(tasks, parameters.PageNumber, parameters.PageSize));
}
