public async Task <IEnumerable <TSource> > ExecuteAsync(string queryName, IEnumerable <QueryStep> querySteps, IGraphRequestContext graphRequestContext)
{
var ctx = new QueryExecutionContext();
foreach (var queryStep in querySteps)
{
queryStep.Started = DateTime.UtcNow;
if (queryStep.Mapper != null)
{
// We may have to make several queries.
var nextQueryResults = new List <object>();
var queryValues = queryStep.Mapper(ctx);
if (queryValues.Count > 0)
{
var first = queryStep.QueryParameters.First();
first.ContextValue = new ContextValue {
Values = queryValues, Comparison = Comparisons.Equal
};
try
{
var results = await QueryAsync(queryName, queryStep, graphRequestContext);
nextQueryResults.AddRange(results);
}
catch (Exception e)
{
_logger.LogError(e, "An error has occured while executing query on repository.");
throw;
}
}
else
{
_logger.LogWarning($"No values detected for queryStep @ {queryName}");
}
ctx.SetQueryResult(nextQueryResults);
}
else
{
ctx.SetQueryResult(await QueryAsync(queryName, queryStep, graphRequestContext));
}
queryStep.ContextAction?.Invoke(ctx);
queryStep.Ended = DateTime.UtcNow;
}
return(ctx.GetResults <TSource>());
}
private async Task <List <object> > QueryAsync(string queryName, QueryStep queryStep, IGraphRequestContext graphRequestContext,
QueryExecutionContext queryExecutionContext,
List <ConnectionEdgeDestinationFilter> connectionEdgeDestinationFilters)
{
var results = (await _graphQlRepositoryProvider.QueryAsync(queryName, queryStep, graphRequestContext)).ToList();
if (!queryStep.SkipConnectionEdgeCheck && results.Count > 0)
{
await _connectionEdgeHandler.QueryAsync(results, queryStep, graphRequestContext, queryExecutionContext,
connectionEdgeDestinationFilters);
}
return(results);
}
public async Task <IEnumerable <TSource> > ExecuteAsync(string queryName, IEnumerable <QueryStep> querySteps, IGraphRequestContext graphRequestContext,
List <ConnectionEdgeDestinationFilter> connectionEdgeDestinationFilters)
{
var ctx = new QueryExecutionContext(graphRequestContext);
foreach (var queryStep in querySteps)
{
queryStep.Started = DateTime.UtcNow;
// If there are any runtime mappers, run them first.
queryStep.QueryParameters.ForEach(qp =>
{
if (qp.Mapper != null)
{
var values = qp.Mapper(new MapperQueryExecutionContext(ctx, queryStep));
if (values.Count > 0)
{
qp.ContextValue = new ContextValue
{
Values = values,
Comparison = Comparisons.Equal
};
}
}
});
var nextQueryResults = new List <object>();
if (queryStep.StepMapper != null)
{
var queryValues = queryStep.StepMapper(new MapperQueryExecutionContext(ctx, queryStep));
if (queryValues.Count > 0)
{
var first = queryStep.QueryParameters.FirstOrDefault(x => x.Rule != null && x.Rule.PopulateWithQueryValues);
if (first == null)
{
first = queryStep.QueryParameters.First();
}
first.ContextValue = new ContextValue
{
Values = queryValues,
Comparison = Comparisons.Equal,
SelectValues = first.ContextValue != null && first.ContextValue.SelectValues != null ? first.ContextValue.SelectValues : null
};
try
{
nextQueryResults.AddRange(await QueryAsync(queryName, queryStep, graphRequestContext, ctx,
connectionEdgeDestinationFilters));
}
catch (Exception e)
{
_logger.LogError(e, "An error has occured while executing query on repository.");
throw;
}
}
else
{
_logger.LogWarning($"No values detected for queryStep @ {queryName}");
}
}
else
{
if (!IsInvalidForNextQuery(queryStep))
{
nextQueryResults.AddRange(await QueryAsync(queryName, queryStep, graphRequestContext, ctx,
connectionEdgeDestinationFilters));
}
else
{
_logger.LogWarning($"Invalid values detected for queryStep @ {queryName}");
}
}
ctx.SetQueryResult(nextQueryResults);
queryStep.ContextAction?.Invoke(ctx);
queryStep.Ended = DateTime.UtcNow;
}
return(ctx.GetResults <TSource>());
}
