static FuzzyTableModel ParseTableForeignKey(SyntaxNodeAnalysisContext context, InvocationExpressionSyntax expression, FuzzyDatabaseModel partialDatabase)
{
var innerModel = ParseTableChain(context, expression, partialDatabase);
var arguments = AH.ParseArguments(context, expression);
var keyColumnsArg = arguments["keyColumns"];
var referenceTableArg = arguments["referenceTable"];
var referenceColumnsArg = arguments["referenceColumns"];
var updateActionArg = arguments["updateAction"];
var deleteActionArg = arguments["deleteAction"];
var nameArg = arguments["name"];
var fuzzyForeignKey = new FuzzyForeignKeyModel();
if (AH.IsNull(context, keyColumnsArg))
{
context.ReportDiagnostic(BuilderError.ArgumentNull("keyColumns").MakeDiagnostic(keyColumnsArg.Expression.GetLocation()));
fuzzyForeignKey.KeyColumns = new Optional <ImmutableArray <(FuzzyColumnModel, Location)> >();
}
else
{
var keyColumns = AH.ParseMultiProperty(context, keyColumnsArg);
if (keyColumns.HasValue)
{
fuzzyForeignKey.KeyColumns = AH.MatchColumns(context, keyColumns.Value, innerModel.Columns, ToString(innerModel.Name));
}
}
if (AH.IsNull(context, referenceTableArg))
{
context.ReportDiagnostic(BuilderError.ArgumentNull("referenceTable").MakeDiagnostic(referenceTableArg.Expression.GetLocation()));
fuzzyForeignKey.ReferenceTableSelector = new Optional <(FuzzyProperty, Location)>();
}
else
{
var selector = AH.ParseSelector(context, referenceTableArg);
fuzzyForeignKey.ReferenceTableSelector = selector.HasValue ? AH.Just((selector.Value, (referenceTableArg.Expression as LambdaExpressionSyntax).Body.GetLocation())) :
new Optional <(FuzzyProperty, Location)>();
}
if (AH.IsNull(context, referenceColumnsArg))
{
context.ReportDiagnostic(BuilderError.ArgumentNull("referenceColumns").MakeDiagnostic(referenceColumnsArg.Expression.GetLocation()));
fuzzyForeignKey.ReferenceColumnSelectors = new Optional <ImmutableArray <(FuzzyProperty, Location)> >();
}
else
{
fuzzyForeignKey.ReferenceColumnSelectors = AH.ParseMultiProperty(context, referenceColumnsArg);
}
if (fuzzyForeignKey.KeyColumns.HasValue &&
fuzzyForeignKey.ReferenceColumnSelectors.HasValue &&
fuzzyForeignKey.KeyColumns.Value.Length != fuzzyForeignKey.ReferenceColumnSelectors.Value.Length)
{
context.ReportDiagnostic(ModelBuilderError.ForeignKeyColumnCountsDontMatch().MakeDiagnostic(AH.DeconstructLambda(keyColumnsArg).Body.GetLocation(), new List <Location>()
{
AH.DeconstructLambda(referenceColumnsArg).Body.GetLocation()
}));
}
fuzzyForeignKey.UpdateAction = AH.ParseConstantArgument(context, updateActionArg, () => AH.Just(ForeignKeyAction.Cascade));
fuzzyForeignKey.DeleteAction = AH.ParseConstantArgument(context, deleteActionArg, () => AH.Just(ForeignKeyAction.Cascade));
innerModel.ForeignKeys.Add(fuzzyForeignKey);
return(innerModel);
}
