1 files changed, 214 insertions, 0 deletions
diff --git a/vendor/github.com/99designs/gqlgen/codegen/build.go b/vendor/github.com/99designs/gqlgen/codegen/build.go
new file mode 100644
index 00000000..42dedbf8
--- /dev/null
+++ b/vendor/github.com/99designs/gqlgen/codegen/build.go
@@ -0,0 +1,214 @@
+package codegen
+
+import (
+	"fmt"
+	"go/build"
+	"go/types"
+	"os"
+
+	"github.com/pkg/errors"
+	"golang.org/x/tools/go/loader"
+)
+
+type Build struct {
+	PackageName      string
+	Objects          Objects
+	Inputs           Objects
+	Interfaces       []*Interface
+	Imports          []*Import
+	QueryRoot        *Object
+	MutationRoot     *Object
+	SubscriptionRoot *Object
+	SchemaRaw        string
+	SchemaFilename   string
+	Directives       []*Directive
+}
+
+type ModelBuild struct {
+	PackageName string
+	Imports     []*Import
+	Models      []Model
+	Enums       []Enum
+}
+
+type ResolverBuild struct {
+	PackageName   string
+	Imports       []*Import
+	ResolverType  string
+	Objects       Objects
+	ResolverFound bool
+}
+
+type ServerBuild struct {
+	PackageName         string
+	Imports             []*Import
+	ExecPackageName     string
+	ResolverPackageName string
+}
+
+// Create a list of models that need to be generated
+func (cfg *Config) models() (*ModelBuild, error) {
+	namedTypes := cfg.buildNamedTypes()
+
+	progLoader := newLoader(namedTypes, true)
+	prog, err := progLoader.Load()
+	if err != nil {
+		return nil, errors.Wrap(err, "loading failed")
+	}
+	imports := buildImports(namedTypes, cfg.Model.Dir())
+
+	cfg.bindTypes(imports, namedTypes, cfg.Model.Dir(), prog)
+
+	models, err := cfg.buildModels(namedTypes, prog, imports)
+	if err != nil {
+		return nil, err
+	}
+	return &ModelBuild{
+		PackageName: cfg.Model.Package,
+		Models:      models,
+		Enums:       cfg.buildEnums(namedTypes),
+		Imports:     imports.finalize(),
+	}, nil
+}
+
+// bind a schema together with some code to generate a Build
+func (cfg *Config) resolver() (*ResolverBuild, error) {
+	progLoader := newLoader(cfg.buildNamedTypes(), true)
+	progLoader.Import(cfg.Resolver.ImportPath())
+
+	prog, err := progLoader.Load()
+	if err != nil {
+		return nil, err
+	}
+
+	destDir := cfg.Resolver.Dir()
+
+	namedTypes := cfg.buildNamedTypes()
+	imports := buildImports(namedTypes, destDir)
+	imports.add(cfg.Exec.ImportPath())
+	imports.add("github.com/99designs/gqlgen/handler") // avoid import github.com/vektah/gqlgen/handler
+
+	cfg.bindTypes(imports, namedTypes, destDir, prog)
+
+	objects, err := cfg.buildObjects(namedTypes, prog, imports)
+	if err != nil {
+		return nil, err
+	}
+
+	def, _ := findGoType(prog, cfg.Resolver.ImportPath(), cfg.Resolver.Type)
+	resolverFound := def != nil
+
+	return &ResolverBuild{
+		PackageName:   cfg.Resolver.Package,
+		Imports:       imports.finalize(),
+		Objects:       objects,
+		ResolverType:  cfg.Resolver.Type,
+		ResolverFound: resolverFound,
+	}, nil
+}
+
+func (cfg *Config) server(destDir string) *ServerBuild {
+	imports := buildImports(NamedTypes{}, destDir)
+	imports.add(cfg.Exec.ImportPath())
+	imports.add(cfg.Resolver.ImportPath())
+
+	return &ServerBuild{
+		PackageName:         cfg.Resolver.Package,
+		Imports:             imports.finalize(),
+		ExecPackageName:     cfg.Exec.Package,
+		ResolverPackageName: cfg.Resolver.Package,
+	}
+}
+
+// bind a schema together with some code to generate a Build
+func (cfg *Config) bind() (*Build, error) {
+	namedTypes := cfg.buildNamedTypes()
+
+	progLoader := newLoader(namedTypes, true)
+	prog, err := progLoader.Load()
+	if err != nil {
+		return nil, errors.Wrap(err, "loading failed")
+	}
+
+	imports := buildImports(namedTypes, cfg.Exec.Dir())
+	cfg.bindTypes(imports, namedTypes, cfg.Exec.Dir(), prog)
+
+	objects, err := cfg.buildObjects(namedTypes, prog, imports)
+	if err != nil {
+		return nil, err
+	}
+
+	inputs, err := cfg.buildInputs(namedTypes, prog, imports)
+	if err != nil {
+		return nil, err
+	}
+	directives, err := cfg.buildDirectives(namedTypes)
+	if err != nil {
+		return nil, err
+	}
+
+	b := &Build{
+		PackageName:    cfg.Exec.Package,
+		Objects:        objects,
+		Interfaces:     cfg.buildInterfaces(namedTypes, prog),
+		Inputs:         inputs,
+		Imports:        imports.finalize(),
+		SchemaRaw:      cfg.SchemaStr,
+		SchemaFilename: cfg.SchemaFilename,
+		Directives:     directives,
+	}
+
+	if cfg.schema.Query != nil {
+		b.QueryRoot = b.Objects.ByName(cfg.schema.Query.Name)
+	} else {
+		return b, fmt.Errorf("query entry point missing")
+	}
+
+	if cfg.schema.Mutation != nil {
+		b.MutationRoot = b.Objects.ByName(cfg.schema.Mutation.Name)
+	}
+
+	if cfg.schema.Subscription != nil {
+		b.SubscriptionRoot = b.Objects.ByName(cfg.schema.Subscription.Name)
+	}
+	return b, nil
+}
+
+func (cfg *Config) validate() error {
+	progLoader := newLoader(cfg.buildNamedTypes(), false)
+	_, err := progLoader.Load()
+	return err
+}
+
+func newLoader(namedTypes NamedTypes, allowErrors bool) loader.Config {
+	conf := loader.Config{}
+	if allowErrors {
+		conf = loader.Config{
+			AllowErrors: true,
+			TypeChecker: types.Config{
+				Error: func(e error) {},
+			},
+		}
+	}
+	for _, imp := range ambientImports {
+		conf.Import(imp)
+	}
+
+	for _, imp := range namedTypes {
+		if imp.Package != "" {
+			conf.Import(imp.Package)
+		}
+	}
+	return conf
+}
+
+func resolvePkg(pkgName string) (string, error) {
+	cwd, _ := os.Getwd()
+
+	pkg, err := build.Default.Import(pkgName, cwd, build.FindOnly)
+	if err != nil {
+		return "", err
+	}
+
+	return pkg.ImportPath, nil
+}