public CarVersionQuery(CarVersionRepository versionRepository)
{
Field <ListGraphType <CarVersionType> >("versions",
resolve: context =>
{
return(versionRepository.FindAll());
});
Field <CarVersionType>("version",
arguments: new QueryArguments(new List <QueryArgument>
{
new QueryArgument <IdGraphType>
{
Name = "id"
}
}),
resolve: context =>
{
var id = context.GetArgument <int>("id");
if (id <= 0)
{
context.Errors.Add(new ExecutionError("Version Id is invalid or missing"));
return(null);
}
return(versionRepository.FindById(id));
});
}
public CarVersionMutation(CarVersionRepository versionRepository)
{
/**
* NEW VERSION
*/
Field <CarVersionType, CarVersion>()
.Name("createVersion")
.Argument <NonNullGraphType <CarVersionInputType> >("version", "version input")
.ResolveAsync(async ctx =>
{
var version = ctx.GetArgument <CarVersion>("version");
return(await versionRepository.Add(version));
});
/**
* UPDATE VERSION
*/
Field <CarVersionType, CarVersion>()
.Name("updateVersion")
.Argument <NonNullGraphType <CarVersionInputType> >("version", "version input")
.ResolveAsync(async ctx =>
{
var version = ctx.GetArgument <CarVersion>("version");
// Check if version exists
var currentVersion = await versionRepository.FindById(version.Id);
if (currentVersion == null)
{
ctx.Errors.Add(new ExecutionError("Version not found"));
return(null);
}
// Update version
return(await versionRepository.Update(version));
});
/**
* DELETE VERSION
*/
Field <CarVersionType, CarVersion>()
.Name("deleteVersion")
.Argument <NonNullGraphType <IdGraphType> >("id", "brand id input")
.ResolveAsync(async ctx =>
{
var id = ctx.GetArgument <int>("id");
// Check if version exists
var currentVersion = await versionRepository.FindById(id);
if (currentVersion == null)
{
ctx.Errors.Add(new ExecutionError("Version not found"));
return(null);
}
// delete Version
await versionRepository.Remove(id);
return(null);
});
}