/// <summary>
/// Handles a GET request to query entities.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The task object that contains the response message.</returns>
public async Task<HttpResponseMessage> Get(
CancellationToken cancellationToken)
{
HttpRequestMessageProperties odataProperties = this.Request.ODataProperties();
ODataPath path = odataProperties.Path;
if (path == null)
{
throw new InvalidOperationException(Resources.ControllerRequiresPath);
}
IQueryable queryable = this.GetQuery();
QueryRequest queryRequest = new QueryRequest(queryable, this.includeTotalCount)
{
ShouldReturnCount = this.shouldReturnCount
};
QueryResult queryResult = await Api.QueryAsync(queryRequest, cancellationToken);
if (this.includeTotalCount == true)
{
this.Request.ODataProperties().TotalCount = queryResult.TotalCount;
}
this.Request.Properties[ETagGetterKey] = this.Api.Context.GetProperty(ETagGetterKey);
return this.CreateQueryResponse(queryResult.Results.AsQueryable(), path.EdmType);
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryContext" /> class.
/// </summary>
/// <param name="serviceProvider">
/// The service provider to get services.
/// </param>
/// <param name="request">
/// A query request.
/// </param>
public QueryContext(IServiceProvider serviceProvider, QueryRequest request)
: base(serviceProvider)
{
Ensure.NotNull(request, nameof(request));
Request = request;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryContext" /> class.
/// </summary>
/// <param name="apiContext">
/// An API context.
/// </param>
/// <param name="request">
/// A query request.
/// </param>
public QueryContext(ApiContext apiContext, QueryRequest request)
: base(apiContext)
{
Ensure.NotNull(request, "request");
this.Request = request;
}
public async Task ApiQueryAsyncWithQueryReturnsResults()
{
var container = new RestierContainerBuilder(typeof(TestApi));
var provider = container.BuildContainer();
var api = provider.GetService<ApiBase>();
var request = new QueryRequest(api.GetQueryableSource<string>("Test"));
var result = await api.Context.QueryAsync(request);
var results = result.Results.Cast<string>();
Assert.True(results.SequenceEqual(new[] {"Test"}));
}
public async Task ApiQueryAsyncCorrectlyForwardsCall()
{
var container = new RestierContainerBuilder(typeof(TestApi));
var provider = container.BuildContainer();
var api = provider.GetService<ApiBase>();
var queryRequest = new QueryRequest(
api.GetQueryableSource<string>("Test"));
var queryResult = await api.QueryAsync(queryRequest);
Assert.True(queryResult.Results.Cast<string>()
.SequenceEqual(new[] {"Test"}));
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryContext" /> class.
/// </summary>
/// <param name="api">
/// An Api.
/// </param>
/// <param name="request">
/// A query request.
/// </param>
public QueryContext(ApiBase api, QueryRequest request)
: base(api)
{
Ensure.NotNull(request, nameof(request));
Request = request;
}
private async Task<IQueryable> ExecuteQuery(IQueryable queryable, CancellationToken cancellationToken)
{
QueryRequest queryRequest = new QueryRequest(queryable)
{
ShouldReturnCount = this.shouldReturnCount
};
QueryResult queryResult = await Api.QueryAsync(queryRequest, cancellationToken);
var result = queryResult.Results.AsQueryable();
return result;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryContext" /> class.
/// </summary>
/// <param name="serviceProvider">
/// The service provider to get services.
/// </param>
/// <param name="request">
/// A query request.
/// </param>
public QueryContext(IServiceProvider serviceProvider, QueryRequest request)
: base(serviceProvider)
{
Ensure.NotNull(request, "request");
this.Request = request;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryContext" /> class.
/// </summary>
/// <param name="domainContext">
/// A domain context.
/// </param>
/// <param name="request">
/// A query request.
/// </param>
public QueryContext(DomainContext domainContext, QueryRequest request)
: base(domainContext)
{
Ensure.NotNull(request, "request");
this.Request = request;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryContext" /> class.
/// </summary>
/// <param name="domainContext">
/// A domain context.
/// </param>
/// <param name="request">
/// A query request.
/// </param>
public QueryContext(DomainContext domainContext, QueryRequest request)
: base(domainContext)
{
Ensure.NotNull(request, "request");
this.Request = request;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryContext" /> class.
/// </summary>
/// <param name="apiContext">
/// An API context.
/// </param>
/// <param name="request">
/// A query request.
/// </param>
public QueryContext(ApiContext apiContext, QueryRequest request)
: base(apiContext)
{
Ensure.NotNull(request, "request");
this.Request = request;
}
public async Task ApiQueryAsyncCorrectlyForwardsCall()
{
var api = new TestApi();
var queryRequest = new QueryRequest(
api.Source<string>("Test"));
var queryResult = await api.QueryAsync(queryRequest);
Assert.True(queryResult.Results.Cast<string>()
.SequenceEqual(new string[] { "Test" }));
}