/// <summary>
/// Extension method to query an object purely based on the a defined schema of that object.
/// </summary>
/// <param name="context">The root of your object graph you are querying. E.g. a DbContext</param>
/// <param name="request">GraphQL request object</param>
/// <param name="schemaProvider">Schema definition. Defines new fields/entities. Maps names, etc.</param>
/// <param name="methodProvider">Extend the query language with methods</param>
/// <param name="includeDebugInfo">Include debug/timing information in the result</param>
/// <typeparam name="TType"></typeparam>
/// <returns></returns>
public static IDictionary <string, object> QueryObject <TType>(this TType context, QueryRequest request, ISchemaProvider schemaProvider, IMethodProvider methodProvider = null, bool includeDebugInfo = false)
{
if (methodProvider == null)
{
methodProvider = new DefaultMethodProvider();
}
Stopwatch timer = null;
if (includeDebugInfo)
{
timer = new Stopwatch();
timer.Start();
}
var queryData = new ConcurrentDictionary <string, object>();
var result = new Dictionary <string, object>();
var errors = new List <GraphQLError>();
try
{
var objectGraph = new GraphQLCompiler(schemaProvider, methodProvider).Compile(request);
foreach (var node in objectGraph.Fields.Where(f => f.IsMutation))
{
ExecuteNode(context, request, queryData, node);
}
// Parallel.ForEach(objectGraph.Fields, node =>
foreach (var node in objectGraph.Fields.Where(f => !f.IsMutation))
{
ExecuteNode(context, request, queryData, node);
}
// );
}
catch (Exception ex)
{
// error with the whole query
errors.Add(new GraphQLError(ex.Message));
}
if (includeDebugInfo && timer != null)
{
timer.Stop();
result["_debug"] = new { TotalMilliseconds = timer.ElapsedMilliseconds };
}
result["data"] = queryData;
result["errors"] = errors;
return(result);
}
/// <summary>
/// Extension method to query an object purely based on the a defined schema of that object.
/// </summary>
/// <param name="context">The root of your object graph you are querying. E.g. a DbContext</param>
/// <param name="query">GraphQL query</param>
/// <param name="schemaProvider">Schema definition. Defines new fields/entities. Maps names, etc.</param>
/// <typeparam name="TType"></typeparam>
/// <returns></returns>
public static QueryResult QueryObject <TType>(this TType context, QueryRequest request, ISchemaProvider schemaProvider, params object[] mutationArgs)
{
return(QueryObject(context, request, schemaProvider, null, false, mutationArgs));
}
