graphql: update gqlgen to 0.5.1

fix #6

1 files changed, 181 insertions, 0 deletions

diff --git a/vendor/github.com/99designs/gqlgen/codegen/object_build.go b/vendor/github.com/99designs/gqlgen/codegen/object_build.go
new file mode 100644
index 00000000..ee2b2f1c
--- /dev/null
+++ b/vendor/github.com/99designs/gqlgen/codegen/object_build.go
@@ -0,0 +1,181 @@
+package codegen
+
+import (
+	"log"
+	"sort"
+
+	"github.com/pkg/errors"
+	"github.com/vektah/gqlparser/ast"
+	"golang.org/x/tools/go/loader"
+)
+
+func (cfg *Config) buildObjects(types NamedTypes, prog *loader.Program, imports *Imports) (Objects, error) {
+	var objects Objects
+
+	for _, typ := range cfg.schema.Types {
+		if typ.Kind != ast.Object {
+			continue
+		}
+
+		obj, err := cfg.buildObject(types, typ, imports)
+		if err != nil {
+			return nil, err
+		}
+
+		def, err := findGoType(prog, obj.Package, obj.GoType)
+		if err != nil {
+			return nil, err
+		}
+		if def != nil {
+			for _, bindErr := range bindObject(def.Type(), obj, imports, cfg.StructTag) {
+				log.Println(bindErr.Error())
+				log.Println("  Adding resolver method")
+			}
+		}
+
+		objects = append(objects, obj)
+	}
+
+	sort.Slice(objects, func(i, j int) bool {
+		return objects[i].GQLType < objects[j].GQLType
+	})
+
+	return objects, nil
+}
+
+var keywords = []string{
+	"break",
+	"default",
+	"func",
+	"interface",
+	"select",
+	"case",
+	"defer",
+	"go",
+	"map",
+	"struct",
+	"chan",
+	"else",
+	"goto",
+	"package",
+	"switch",
+	"const",
+	"fallthrough",
+	"if",
+	"range",
+	"type",
+	"continue",
+	"for",
+	"import",
+	"return",
+	"var",
+}
+
+// sanitizeArgName prevents collisions with go keywords for arguments to resolver functions
+func sanitizeArgName(name string) string {
+	for _, k := range keywords {
+		if name == k {
+			return name + "Arg"
+		}
+	}
+	return name
+}
+
+func (cfg *Config) buildObject(types NamedTypes, typ *ast.Definition, imports *Imports) (*Object, error) {
+	obj := &Object{NamedType: types[typ.Name]}
+	typeEntry, entryExists := cfg.Models[typ.Name]
+
+	imp := imports.findByPath(cfg.Exec.ImportPath())
+	obj.ResolverInterface = &Ref{GoType: obj.GQLType + "Resolver", Import: imp}
+
+	if typ == cfg.schema.Query {
+		obj.Root = true
+	}
+
+	if typ == cfg.schema.Mutation {
+		obj.Root = true
+		obj.DisableConcurrency = true
+	}
+
+	if typ == cfg.schema.Subscription {
+		obj.Root = true
+		obj.Stream = true
+	}
+
+	obj.Satisfies = append(obj.Satisfies, typ.Interfaces...)
+
+	for _, field := range typ.Fields {
+		if typ == cfg.schema.Query && field.Name == "__type" {
+			obj.Fields = append(obj.Fields, Field{
+				Type:           &Type{types["__Schema"], []string{modPtr}, ast.NamedType("__Schema", nil), nil},
+				GQLName:        "__schema",
+				NoErr:          true,
+				GoFieldType:    GoFieldMethod,
+				GoReceiverName: "ec",
+				GoFieldName:    "introspectSchema",
+				Object:         obj,
+				Description:    field.Description,
+			})
+			continue
+		}
+		if typ == cfg.schema.Query && field.Name == "__schema" {
+			obj.Fields = append(obj.Fields, Field{
+				Type:           &Type{types["__Type"], []string{modPtr}, ast.NamedType("__Schema", nil), nil},
+				GQLName:        "__type",
+				NoErr:          true,
+				GoFieldType:    GoFieldMethod,
+				GoReceiverName: "ec",
+				GoFieldName:    "introspectType",
+				Args: []FieldArgument{
+					{GQLName: "name", Type: &Type{types["String"], []string{}, ast.NamedType("String", nil), nil}, Object: &Object{}},
+				},
+				Object: obj,
+			})
+			continue
+		}
+
+		var forceResolver bool
+		var goName string
+		if entryExists {
+			if typeField, ok := typeEntry.Fields[field.Name]; ok {
+				goName = typeField.FieldName
+				forceResolver = typeField.Resolver
+			}
+		}
+
+		var args []FieldArgument
+		for _, arg := range field.Arguments {
+			newArg := FieldArgument{
+				GQLName:   arg.Name,
+				Type:      types.getType(arg.Type),
+				Object:    obj,
+				GoVarName: sanitizeArgName(arg.Name),
+			}
+
+			if !newArg.Type.IsInput && !newArg.Type.IsScalar {
+				return nil, errors.Errorf("%s cannot be used as argument of %s.%s. only input and scalar types are allowed", arg.Type, obj.GQLType, field.Name)
+			}
+
+			if arg.DefaultValue != nil {
+				var err error
+				newArg.Default, err = arg.DefaultValue.Value(nil)
+				if err != nil {
+					return nil, errors.Errorf("default value for %s.%s is not valid: %s", typ.Name, field.Name, err.Error())
+				}
+				newArg.StripPtr()
+			}
+			args = append(args, newArg)
+		}
+
+		obj.Fields = append(obj.Fields, Field{
+			GQLName:       field.Name,
+			Type:          types.getType(field.Type),
+			Args:          args,
+			Object:        obj,
+			GoFieldName:   goName,
+			ForceResolver: forceResolver,
+		})
+	}
+
+	return obj, nil
+}