FieldType BuildSingleField <TSource, TReturn>(
string name,
Func <ResolveFieldContext <TSource>, IQueryable <TReturn> > resolve,
IEnumerable <QueryArgument> arguments,
Type graphType)
where TReturn : class
{
Guard.AgainstNullWhiteSpace(nameof(name), name);
Guard.AgainstNull(nameof(resolve), resolve);
return(new FieldType
{
Name = name,
Type = graphType,
Arguments = ArgumentAppender.GetQueryArguments(arguments),
Resolver = new FuncFieldResolver <TSource, Task <TReturn> >(async context =>
{
var returnTypes = resolve(context);
var withIncludes = includeAppender.AddIncludes(returnTypes, context);
var withArguments = withIncludes.ApplyGraphQlArguments(context);
var single = await withArguments.SingleOrDefaultAsync(context.CancellationToken).ConfigureAwait(false);
if (GlobalFilters.ShouldInclude(context.UserContext, single))
{
return single;
}
return null;
})
});
}
ConnectionBuilder <TGraph, TSource> BuildListConnectionField <TSource, TGraph, TReturn>(
string name,
Func <ResolveFieldContext <TSource>, IEnumerable <TReturn> > resolve,
IEnumerable <string> includeName,
int pageSize)
where TGraph : ObjectGraphType <TReturn>, IGraphType
where TReturn : class
{
Guard.AgainstNullWhiteSpace(nameof(name), name);
Guard.AgainstNull(nameof(resolve), resolve);
Guard.AgainstNegative(nameof(pageSize), pageSize);
var builder = ConnectionBuilder.Create <TGraph, TSource>();
builder.PageSize(pageSize);
builder.Name(name);
IncludeAppender.SetIncludeMetadata(builder.FieldType, name, includeName);
builder.Resolve(context =>
{
var enumerable = resolve(context);
enumerable = enumerable.ApplyGraphQlArguments(context);
enumerable = GlobalFilters.ApplyFilter(enumerable, context.UserContext);
var page = enumerable.ToList();
return(ConnectionConverter.ApplyConnectionContext(
page,
context.First,
context.After,
context.Last,
context.Before));
});
return(builder);
}
FieldType BuildNavigationField <TSource, TReturn>(
string name,
Func <ResolveFieldContext <TSource>, TReturn> resolve,
IEnumerable <string> includeNames,
Type graphType,
IEnumerable <QueryArgument> arguments)
where TReturn : class
{
Guard.AgainstNullWhiteSpace(nameof(name), name);
Guard.AgainstNull(nameof(graphType), graphType);
Guard.AgainstNull(nameof(resolve), resolve);
return(new FieldType
{
Name = name,
Type = graphType,
Arguments = ArgumentAppender.GetQueryArguments(arguments),
Metadata = IncludeAppender.GetIncludeMetadata(name, includeNames),
Resolver = new FuncFieldResolver <TSource, TReturn>(context =>
{
var result = resolve(context);
if (GlobalFilters.ShouldInclude(context.UserContext, result))
{
return result;
}
return null;
})
});
}
public EfGraphQLService(IModel model, GlobalFilters filters)
{
Guard.AgainstNull(nameof(model), model);
this.filters = filters;
foreach (var entityType in model.GetEntityTypes())
{
var names = entityType.FindPrimaryKey().Properties.Select(x => x.Name).ToList();
keyNames.Add(entityType.ClrType, names);
}
includeAppender = new IncludeAppender(NavigationReader.GetNavigationProperties(model));
}
public static void RegisterInContainer <TDbContext>(
IServiceCollection services,
TDbContext dbContext,
DbContextFromUserContext <TDbContext> dbContextFromUserContext,
GlobalFilters filters = null)
where TDbContext : DbContext
#endregion
{
Guard.AgainstNull(nameof(services), services);
Guard.AgainstNull(nameof(dbContext), dbContext);
services.AddTransient(typeof(ConnectionType <>));
services.AddTransient(typeof(EdgeType <>));
services.AddSingleton <PageInfoType>();
RegisterInContainer((type, instance) => { services.AddSingleton(type, instance); }, dbContext, dbContextFromUserContext, filters);
}
public static void RegisterInContainer(Action <Type, object> register, IModel model, GlobalFilters filters = null)
#endregion
{
Guard.AgainstNull(nameof(register), register);
Guard.AgainstNull(nameof(model), model);
Scalars.RegisterInContainer(register);
ArgumentGraphs.RegisterInContainer(register);
if (filters == null)
{
filters = new GlobalFilters();
}
var service = new EfGraphQLService(model, filters);
register(typeof(IEfGraphQLService), service);
}
public EfGraphQLService(IModel model, GlobalFilters filters, DbContextFromUserContext <TDbContext> dbContextFromUserContext)
{
Guard.AgainstNull(nameof(model), model);
Guard.AgainstNull(nameof(dbContextFromUserContext), dbContextFromUserContext);
this.filters = filters;
this.dbContextFromUserContext = dbContextFromUserContext;
foreach (var entityType in model.GetEntityTypes())
{
var primaryKey = entityType.FindPrimaryKey();
//This can happen for views
if (primaryKey == null)
{
continue;
}
var names = primaryKey.Properties.Select(x => x.Name).ToList();
keyNames.Add(entityType.ClrType, names);
}
includeAppender = new IncludeAppender(NavigationReader.GetNavigationProperties(model));
}
public EfGraphQLService(IModel model, GlobalFilters filters, Func <object, TDbContext> dbContextFromUserContext)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
this.filters = filters;
this.dbContextFromUserContext = dbContextFromUserContext ?? throw new ArgumentNullException(nameof(dbContextFromUserContext));
foreach (var entityType in model.GetEntityTypes())
{
var primaryKey = entityType.FindPrimaryKey();
//This can happen for views
if (primaryKey == null)
{
continue;
}
var names = primaryKey.Properties.Select(x => x.Name).ToList();
keyNames.Add(entityType.ClrType, names);
}
includeAppender = new IncludeAppender(NavigationReader.GetNavigationProperties(model));
}
public static void RegisterInContainer <TDbContext>(
Action <Type, object> register,
TDbContext dbContext,
DbContextFromUserContext <TDbContext> dbContextFromUserContext,
GlobalFilters filters = null)
where TDbContext : DbContext
#endregion
{
Guard.AgainstNull(nameof(register), register);
Guard.AgainstNull(nameof(dbContextFromUserContext), dbContextFromUserContext);
Guard.AgainstNull(nameof(dbContext), dbContext);
Scalars.RegisterInContainer(register);
ArgumentGraphs.RegisterInContainer(register);
if (filters == null)
{
filters = new GlobalFilters();
}
var service = new EfGraphQLService <TDbContext>(dbContext.Model, filters, dbContextFromUserContext);
register(typeof(IEfGraphQLService <TDbContext>), service);
}
FieldType BuildNavigationField <TSource, TReturn>(
string name,
Func <ResolveFieldContext <TSource>, IEnumerable <TReturn> > resolve,
IEnumerable <string> includeNames,
Type listGraphType,
IEnumerable <QueryArgument> arguments)
where TReturn : class
{
Guard.AgainstNullWhiteSpace(nameof(name), name);
Guard.AgainstNull(nameof(resolve), resolve);
return(new FieldType
{
Name = name,
Type = listGraphType,
Arguments = ArgumentAppender.GetQueryArguments(arguments),
Metadata = IncludeAppender.GetIncludeMetadata(name, includeNames),
Resolver = new FuncFieldResolver <TSource, IEnumerable <TReturn> >(context =>
{
var result = resolve(context);
result = result.ApplyGraphQlArguments(context);
return GlobalFilters.ApplyFilter(result, context.UserContext);
})
});
}
public static void RegisterInContainer(IServiceCollection services, IEnumerable <Assembly> typeConfigurationAssemblies, GlobalFilters filters = null)
#endregion
{
Guard.AgainstNull(nameof(services), services);
var builder = new DbContextOptionsBuilder();
builder.UseSqlServer("fake");
using (var context = new DbContext(builder.Options))
{
var modelBuilder = new ModelBuilder(ConventionSet.CreateConventionSet(context));
foreach (var assembly in typeConfigurationAssemblies)
{
modelBuilder.ApplyConfigurationsFromAssembly(assembly);
}
RegisterInContainer(services, modelBuilder.Model, filters);
}
}
public static void RegisterInContainer(IServiceCollection services, IModel model, GlobalFilters filters = null)
#endregion
{
Guard.AgainstNull(nameof(services), services);
Guard.AgainstNull(nameof(model), model);
services.AddTransient(typeof(ConnectionType <>));
services.AddTransient(typeof(EdgeType <>));
services.AddSingleton <PageInfoType>();
RegisterInContainer((type, instance) => { services.AddSingleton(type, instance); }, model, filters);
}
public EfGraphQLService(IModel model, GlobalFilters filters)
{
Guard.AgainstNull(nameof(model), model);
this.filters = filters;
includeAppender = new IncludeAppender(NavigationReader.GetNavigationProperties(model));
}
