private IPagination GetPaginationConfig()
{
IPagination pagination = null;
switch (PaginationParameterType)
{
case PaginationParameterType.PageNumber:
pagination = new PageNumberPagination(PaginationParameterName, IsZeroIndexed, PageSizeParameterName);
break;
case PaginationParameterType.ItemOffset:
pagination = new ItemOffsetPagination(PaginationParameterName, IsZeroIndexed, PageSizeParameterName, MaxRecordsParam);
break;
case PaginationParameterType.Token:
pagination = new TokenPagination(PaginationParameterName, ResponseTokenName, PageSizeParameterName);
break;
case PaginationParameterType.NextPageUrl:
pagination = new NextPageUrlPagination(ResponseTokenName, PageSizeParameterName);
break;
case PaginationParameterType.None:
default:
return(null);
}
pagination = GetSorting(pagination);
return(pagination);
}
public async Task LoadMoreDataInvalidOperation()
{
var pagination = new TokenPagination("page_handle", "next_page", string.Empty);
var config = new RestApiDataConfig
{
Url = new Uri(@"https://public-api.wordpress.com/rest/v1.1/sites/en.blog.wordpress.com/posts/"),
PaginationConfig = pagination
};
var dataProvider = new RestApiDataProvider();
InvalidOperationException exception = await ExceptionsAssert.ThrowsAsync <InvalidOperationException>(async() => await dataProvider.LoadMoreDataAsync <WordPress.WordPressSchema>());
}
public async Task TestMaxRecordsRestApiDataProvider_Min()
{
int maxRecords = 1;
var pagination = new TokenPagination(string.Empty, string.Empty, "number");
var config = new RestApiDataConfig
{
Url = new Uri(@"https://public-api.wordpress.com/rest/v1.1/sites/en.blog.wordpress.com/posts/")
};
var dataProvider = new RestApiDataProvider();
IEnumerable <WordPress.WordPressSchema> data = await dataProvider.LoadDataAsync(config, maxRecords, new WordPress.WordPressParser());
Assert.AreEqual(maxRecords, data.Count());
}
public async Task TestMaxRecordsRestApiDataProvider_QueryString()
{
int maxRecords = 50;
var pagination = new TokenPagination(string.Empty, string.Empty, "number");
var config = new RestApiDataConfig
{
Url = new Uri(@"https://public-api.wordpress.com/rest/v1.1/sites/en.blog.wordpress.com/posts/?tag=wordpress"),
PaginationConfig = pagination
};
var dataProvider = new RestApiDataProvider();
IEnumerable <WordPress.WordPressSchema> data = await dataProvider.LoadDataAsync(config, maxRecords, new WordPress.WordPressParser());
Assert.IsTrue(data.Count() > 20);
}
public async Task TestRestApiDataProvider_Sorting()
{
int maxRecords = 50;
var pagination = new TokenPagination(string.Empty, string.Empty, "number");
var config = new RestApiDataConfig
{
Url = new Uri(@"https://public-api.wordpress.com/rest/v1.1/sites/en.blog.wordpress.com/posts/?tag=wordpress"),
PaginationConfig = pagination
};
var dataProvider = new RestApiDataProvider();
IEnumerable <WordPress.WordPressSchema> sortedData = await dataProvider.LoadDataAsync(config, maxRecords, new SortingParser());
IEnumerable <WordPress.WordPressSchema> data = await dataProvider.LoadDataAsync(config, maxRecords, new WordPress.WordPressParser());
Assert.AreNotEqual(data.FirstOrDefault().Title, sortedData.FirstOrDefault().Title);
}
public async Task TestGetMoreApiDataAsync()
{
var pagination = new TokenPagination("page_handle", "next_page", string.Empty);
var config = new RestApiDataConfig
{
Url = new Uri(@"https://public-api.wordpress.com/rest/v1.1/sites/en.blog.wordpress.com/posts/"),
PaginationConfig = pagination
};
var dataProvider = new RestApiDataProvider();
var data = await dataProvider.GetApiDataAsync(config, 20, new WordPress.WordPressParser());
Assert.IsTrue(dataProvider.HasMoreItems, $"{nameof(dataProvider.HasMoreItems)} is false");
data = await dataProvider.GetMoreApiDataAsync <WordPress.WordPressSchema>();
Assert.AreEqual((int)HttpStatusCode.Ok, data.HttpStatusCode);
}
public async Task LoadDataTokenPagination_QueryString()
{
var pagination = new TokenPagination("page_handle", "next_page", "number");
var config = new RestApiDataConfig
{
Url = new Uri(@"https://public-api.wordpress.com/rest/v1.1/sites/en.blog.wordpress.com/posts/?tag=wordpress"),
PaginationConfig = pagination
};
var dataProvider = new RestApiDataProvider();
IEnumerable <WordPress.WordPressSchema> data = await dataProvider.LoadDataAsync(config, 20, new WordPress.WordPressParser());
Assert.IsTrue(dataProvider.HasMoreItems, $"{nameof(dataProvider.HasMoreItems)} is false");
data = await dataProvider.LoadMoreDataAsync <WordPress.WordPressSchema>();
Assert.IsNotNull(data);
Assert.AreNotEqual(data.Count(), 0);
}
public async Task LoadDataTokenPagination_InvalidTokenPathName()
{
var pagination = new TokenPagination(null, "invalid", null);
var config = new RestApiDataConfig
{
Url = new Uri(@"https://public-api.wordpress.com/rest/v1.1/sites/en.blog.wordpress.com/posts/"),
PaginationConfig = pagination
};
var dataProvider = new RestApiDataProvider();
IEnumerable <WordPress.WordPressSchema> data = await dataProvider.LoadDataAsync(config, 20, new WordPress.WordPressParser());
Assert.IsTrue(dataProvider.HasMoreItems, $"{nameof(dataProvider.HasMoreItems)} is false");
data = await dataProvider.LoadMoreDataAsync <WordPress.WordPressSchema>();
Assert.IsNotNull(data);
Assert.AreNotEqual(data.Count(), 0);
}
public async void GetItemsTokenPagination()
{
string endPoint = "http://MyRestApiEndPoint.com";
var maxRecordsParam = 20;
var paginationParameterName = "token";
var pageSizeParemeterName = "limit";
var responseTokenName = "meta.next_token";
var orderByParameterName = "order_by";
var orderByParameterValue = "date";
var orderDirectionParameterName = "order";
var orderDirectionParameterValue = "DESC";
var paginationConfig = new TokenPagination(paginationParameterName, responseTokenName, pageSizeParemeterName)
{
OrderByParameterName = orderByParameterName,
OrderByParameterValue = orderByParameterValue,
OrderDirectionParameterName = orderDirectionParameterName,
OrderDirectionParameterValue = orderDirectionParameterValue
};
var config = new RestApiDataConfig()
{
Url = new Uri(endPoint),
PaginationConfig = paginationConfig
};
var parser = new JsonParser <MySchema>();
_dataProvider = new RestApiDataProvider();
var items = await _dataProvider.LoadDataAsync(config, maxRecordsParam, parser);
foreach (var item in items)
{
Items.Add(item);
}
}