public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
/* Récupère le node de field. */
var root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
var diagnostic = context.Diagnostics.First();
var diagnosticSpan = diagnostic.Location.SourceSpan;
var node = root.FindNode(diagnosticSpan).AncestorsAndSelf().OfType <ClassDeclarationSyntax>().FirstOrDefault();
if (node == null)
{
return;
}
var semanticModel = await context.Document.GetSemanticModelAsync(context.CancellationToken);
var namedTypeSymbol = semanticModel.GetDeclaredSymbol(node, context.CancellationToken) as INamedTypeSymbol;
if (namedTypeSymbol == null)
{
return;
}
if (!namedTypeSymbol.IsApiController())
{
return;
}
/* Vérifie qu'on a un unique constructeur. */
var ctrList = namedTypeSymbol.Constructors;
if (ctrList.Length != 1)
{
return;
}
/* Vérifie que le constructeur n'a qu'un seul paramètre. */
var ctr = ctrList.First();
var paramList = ctr.Parameters;
if (paramList.Length != 1)
{
return;
}
/* Vérifie que le paramètre est un contrat de service. */
var namedParamType = paramList.First().Type as INamedTypeSymbol;
if (namedParamType == null)
{
return;
}
if (!namedParamType.IsServiceContract())
{
return;
}
/* Calcul du nom */
var contractName = namedParamType.Name;
if (!ServiceContractNamePattern.IsMatch(contractName))
{
return;
}
var newName = ServiceContractNamePattern.Replace(contractName, "$1Controller");
/* Ajoute le fix. */
var titleFormat = string.Format(title, newName);
context.RegisterCodeFix(
CodeAction.Create(
title: titleFormat,
createChangedSolution: c => context.RenameSymbol(namedTypeSymbol, newName, c),
equivalenceKey: titleFormat),
diagnostic);
}