/
maps_outputs.go
95 lines (78 loc) · 3.05 KB
/
maps_outputs.go
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package proto2gql
import (
"github.com/pkg/errors"
"github.com/EGT-Ukraine/go2gql/generator/plugins/graphql"
"github.com/EGT-Ukraine/go2gql/generator/plugins/proto2gql/parser"
)
func (g *Proto2GraphQL) outputMapGraphQLName(mapFile *parsedFile, res *parser.Map) string {
return g.outputMessageVariable(mapFile, res.Message) + "__" + res.Field.Name
}
func (g *Proto2GraphQL) outputMapVariable(mapFile *parsedFile, res *parser.Map) string {
return g.outputMessageVariable(mapFile, res.Message) + "__" + res.Field.Name
}
func (g *Proto2GraphQL) fileMapOutputObjects(file *parsedFile) ([]graphql.MapOutputObject, error) {
var res []graphql.MapOutputObject
for _, msg := range file.File.Messages {
for _, mapFld := range msg.MapFields {
keyTypResolver, err := g.TypeOutputGraphQLTypeResolver(file, mapFld.Map.KeyType)
if err != nil {
return nil, errors.Wrap(err, "failed to resolve key input type resolver")
}
valueFile, err := g.parsedFile(mapFld.Map.ValueType.File())
if err != nil {
return nil, errors.Wrap(err, "failed to resolve value type file")
}
valueResolver := func(arg string, ctx graphql.BodyContext) string {
return `src := p.Source.(map[string]interface{})
if src == nil {
return nil, nil
}
return src["value"], nil`
}
valueTypResolver, err := g.TypeOutputGraphQLTypeResolver(valueFile, mapFld.Map.ValueType)
if err != nil {
return nil, errors.Wrap(err, "failed to resolve value input type resolver")
}
valueMessage, ok := mapFld.Map.ValueType.(*parser.Message)
if ok {
msgCfg, err := valueFile.Config.MessageConfig(valueMessage.Name)
if err != nil {
return nil, errors.Wrapf(err, "failed to resolve message %s config", valueMessage.Name)
}
if msgCfg.UnwrapField {
fields := valueMessage.GetFields()
if len(fields) != 1 {
return nil, errors.Errorf("can't unwrap %s output message because it contains more that 1 field", valueMessage.Name)
}
unwrappedField := fields[0]
responseGoType, err := g.goTypeByParserType(valueMessage)
if err != nil {
return nil, err
}
valueResolver = func(arg string, ctx graphql.BodyContext) string {
return `src := p.Source.(map[string]interface{})
if src == nil {
return nil, nil
}
return src["value"].(` + responseGoType.String(ctx.Importer) + `).` + camelCase(unwrappedField.GetName()) + `, nil`
}
valueTypResolver, err = g.TypeOutputGraphQLTypeResolver(valueFile, unwrappedField.GetType())
if err != nil {
return nil, errors.Wrap(err, "failed to resolve value input type resolver")
}
if unwrappedField.IsRepeated() {
valueTypResolver = graphql.GqlListTypeResolver(graphql.GqlNonNullTypeResolver(valueTypResolver))
}
}
}
res = append(res, graphql.MapOutputObject{
VariableName: g.outputMapVariable(file, mapFld.Map),
GraphQLName: g.outputMapGraphQLName(file, mapFld.Map),
KeyObjectType: keyTypResolver,
ValueObjectType: valueTypResolver,
ValueResolver: valueResolver,
})
}
}
return res, nil
}