public void NextPageWorks()
{
var context = new PaginationContext(GetQuery(Constants.PageNumberQueryName, "4"), 10);
var target = new PaginationQuery(context);
Assert.Equal("?page[number]=5", target.NextPage);
}
public void NoPrevious()
{
var context = new PaginationContext(GetQuery(Constants.PageNumberQueryName, "0"), 10);
var target = new PaginationQuery(context);
Assert.Null(target.PreviousPage);
}
public void NextPageOnFirstPage()
{
var context = new PaginationContext(EmptyQuery, 10);
var target = new PaginationQuery(context);
Assert.Equal("?page[number]=1", target.NextPage);
}
public void PreviousPageWorks()
{
var context = new PaginationContext(GetQuery(Constants.QueryNames.PageNumber, "4"), 10);
var target = new PaginationQuery(context);
Assert.Equal("?page[number]=3", target.PreviousPage);
}
public void SupportsOtherQueryParams()
{
var context = new PaginationContext(GetQuery(Constants.PageNumberQueryName, "3").Concat(GetQuery("something", "hello")), 10);
var target = new PaginationQuery(context);
Assert.Equal("?page[number]=4&something=hello", target.NextPage);
Assert.Equal("?page[number]=2&something=hello", target.PreviousPage);
Assert.Equal("?page[number]=0&something=hello", target.FirstPage);
}
public void TakesCorrectElements()
{
var obj = Get.People(100);
var context = new PaginationContext(GetQueryForPage(1), 10);
var result = (Query.ApplyPagination(obj, context, new PersonResource())
as IEnumerable<Person>)?.ToList();
Assert.Equal(10, result?.Count);
Assert.Equal("10", result?.FirstOrDefault()?.Identifier);
}
/// <summary>
/// See base class documentation.
/// </summary>
/// <param name="actionContext">The action context.</param>
public override void OnActionExecuting(HttpActionContext actionContext)
{
var context = new PaginationContext(
actionContext.Request.GetQueryNameValuePairs(),
PerPage);
var query = GetQueryContext(actionContext);
query.Pagination = context;
base.OnActionExecuting(actionContext);
}
public ResourceSerializer(
object value,
ApiResource type,
Uri baseUrl,
IUrlPathBuilder urlBuilder,
PaginationContext paginationContext)
{
_urlBuilder = urlBuilder;
_resource = type;
_value = value;
_baseUrl = baseUrl;
_paginationContext = paginationContext;
_includedSection = new JArray();
}
public void FirstPageWorks()
{
var context = new PaginationContext(EmptyQuery, 10);
var target = new PaginationQuery(context);
Assert.Equal("?page[number]=0", target.FirstPage);
context = new PaginationContext(GetQuery(Constants.PageNumberQueryName, "0"), 10);
target = new PaginationQuery(context);
Assert.Equal("?page[number]=0", target.FirstPage);
context = new PaginationContext(GetQuery(Constants.PageNumberQueryName, "4"), 10);
target = new PaginationQuery(context);
Assert.Equal("?page[number]=0", target.FirstPage);
}
public static object ApplyPagination(object data, PaginationContext context, ApiResource resource)
{
var queryable = data as IQueryable;
if (queryable != null)
{
return new PaginationInterpreter(context, resource).Apply(queryable);
}
var enumerable = data as IEnumerable;
if (enumerable != null)
{
// all queryables are enumerable, so this needs to be after
// the queryable case
return new PaginationInterpreter(context, resource).Apply(enumerable);
}
return data;
}
public PaginationQuery(PaginationContext context)
{
if (context == null)
{
return;
}
if (!context.ClientFilters.ContainsKey(Constants.QueryNames.PageNumber))
{
context.ClientFilters.Add(Constants.QueryNames.PageNumber, null);
}
int page;
var isNumber = int.TryParse(context.ClientFilters[Constants.QueryNames.PageNumber] ?? string.Empty, out page);
FirstPage = CreateQueryString(context.ClientFilters, 0);
NextPage = CreateQueryString(context.ClientFilters, isNumber ? page + 1 : 1);
PreviousPage = isNumber && page > 0
? CreateQueryString(context.ClientFilters, page - 1)
: null;
}
public PaginationQuery(PaginationContext context)
{
if (context == null)
{
return;
}
if (!context.ClientFilters.ContainsKey(Constants.QueryNames.PageNumber))
{
context.ClientFilters.Add(Constants.QueryNames.PageNumber, null);
}
int page;
var isNumber = int.TryParse(context.ClientFilters[Constants.QueryNames.PageNumber] ?? string.Empty, out page);
FirstPage = CreateQueryString(context.ClientFilters, 0);
NextPage = CreateQueryString(context.ClientFilters, isNumber ? page + 1 : 1);
PreviousPage = isNumber && page > 0
? CreateQueryString(context.ClientFilters, page - 1)
: null;
}
public PaginationInterpreter(PaginationContext context, ApiResource resource)
{
_context = context;
_resource = resource;
}
public PaginationInterpreter(PaginationContext context, ApiResource resource)
{
_context = context;
_resource = resource;
}
public PaginationQuery(PaginationContext context)
: this(context, null)
{
}
public PagedResultQuery(PaginationContext context)
{
_context = context;
}