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author | Michael Muré <batolettre@gmail.com> | 2018-08-14 14:48:41 +0200 |
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committer | Michael Muré <batolettre@gmail.com> | 2018-08-14 14:48:41 +0200 |
commit | 5c568a362b73cf163b06bc7371982f9a7ceaaf29 (patch) | |
tree | 755b61f969913b5290f3d56f4cfba4070b8155bc /vendor/github.com/vektah/gqlgen/codegen/input_build.go | |
parent | ef0d8fa108fbdef24997a84a3c6ecbf21cbc0a9e (diff) | |
download | git-bug-5c568a362b73cf163b06bc7371982f9a7ceaaf29.tar.gz |
gqlgen: add a small program to go:generate the code
Diffstat (limited to 'vendor/github.com/vektah/gqlgen/codegen/input_build.go')
-rw-r--r-- | vendor/github.com/vektah/gqlgen/codegen/input_build.go | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/vendor/github.com/vektah/gqlgen/codegen/input_build.go b/vendor/github.com/vektah/gqlgen/codegen/input_build.go new file mode 100644 index 00000000..98b25b8b --- /dev/null +++ b/vendor/github.com/vektah/gqlgen/codegen/input_build.go @@ -0,0 +1,86 @@ +package codegen + +import ( + "go/types" + "sort" + "strings" + + "github.com/pkg/errors" + "github.com/vektah/gqlgen/neelance/schema" + "golang.org/x/tools/go/loader" +) + +func (cfg *Config) buildInputs(namedTypes NamedTypes, prog *loader.Program, imports *Imports) (Objects, error) { + var inputs Objects + + for _, typ := range cfg.schema.Types { + switch typ := typ.(type) { + case *schema.InputObject: + input, err := buildInput(namedTypes, typ) + if err != nil { + return nil, err + } + + def, err := findGoType(prog, input.Package, input.GoType) + if err != nil { + return nil, errors.Wrap(err, "cannot find type") + } + if def != nil { + input.Marshaler = buildInputMarshaler(typ, def) + bindErrs := bindObject(def.Type(), input, imports) + if len(bindErrs) > 0 { + return nil, bindErrs + } + } + + inputs = append(inputs, input) + } + } + + sort.Slice(inputs, func(i, j int) bool { + return strings.Compare(inputs[i].GQLType, inputs[j].GQLType) == -1 + }) + + return inputs, nil +} + +func buildInput(types NamedTypes, typ *schema.InputObject) (*Object, error) { + obj := &Object{NamedType: types[typ.TypeName()]} + + for _, field := range typ.Values { + newField := Field{ + GQLName: field.Name.Name, + Type: types.getType(field.Type), + Object: obj, + } + + if field.Default != nil { + newField.Default = field.Default.Value(nil) + } + + if !newField.Type.IsInput && !newField.Type.IsScalar { + return nil, errors.Errorf("%s cannot be used as a field of %s. only input and scalar types are allowed", newField.GQLType, obj.GQLType) + } + + obj.Fields = append(obj.Fields, newField) + + } + return obj, nil +} + +// if user has implemented an UnmarshalGQL method on the input type manually, use it +// otherwise we will generate one. +func buildInputMarshaler(typ *schema.InputObject, def types.Object) *Ref { + switch def := def.(type) { + case *types.TypeName: + namedType := def.Type().(*types.Named) + for i := 0; i < namedType.NumMethods(); i++ { + method := namedType.Method(i) + if method.Name() == "UnmarshalGQL" { + return nil + } + } + } + + return &Ref{GoType: typ.Name} +} |