follow "gqlgen getting started"

gqlgen.yml

@@ -81,7 +81,7 @@ resolver:
 # gqlgen will search for any type names in the schema in these go packages
 # if they match it will use them, otherwise it will generate them.
 autobind:
-#  - "somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList/graph/model"
+  - "somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList/graph/model"
 
 # This section declares type mapping between the GraphQL and go type systems
 #
@@ -100,3 +100,7 @@ models:
       - github.com/99designs/gqlgen/graphql.Int
       - github.com/99designs/gqlgen/graphql.Int64
       - github.com/99designs/gqlgen/graphql.Int32
+  Todo:
+    fields:
+      user:
+        resolver: true

graph/generated.go

@@ -39,6 +39,7 @@ type Config struct {
 type ResolverRoot interface {
 	Mutation() MutationResolver
 	Query() QueryResolver
+	Todo() TodoResolver
 }
 
 type DirectiveRoot struct {
@@ -72,6 +73,9 @@ type MutationResolver interface {
 type QueryResolver interface {
 	Todos(ctx context.Context) ([]*model.Todo, error)
 }
+type TodoResolver interface {
+	User(ctx context.Context, obj *model.Todo) (*model.User, error)
+}
 
 type executableSchema struct {
 	resolvers  ResolverRoot
@@ -736,7 +740,7 @@ func (ec *executionContext) _Todo_user(ctx context.Context, field graphql.Collec
 	}()
 	resTmp, err := ec.ResolverMiddleware(ctx, func(rctx context.Context) (interface{}, error) {
 		ctx = rctx // use context from middleware stack in children
-		return obj.User, nil
+		return ec.resolvers.Todo().User(rctx, obj)
 	})
 	if err != nil {
 		ec.Error(ctx, err)
@@ -757,8 +761,8 @@ func (ec *executionContext) fieldContext_Todo_user(ctx context.Context, field gr
 	fc = &graphql.FieldContext{
 		Object:     "Todo",
 		Field:      field,
-		IsMethod:   false,
+		IsMethod:   true,
-		IsResolver: false,
+		IsResolver: true,
 		Child: func(ctx context.Context, field graphql.CollectedField) (*graphql.FieldContext, error) {
 			switch field.Name {
 			case "id":
@@ -2814,23 +2818,54 @@ func (ec *executionContext) _Todo(ctx context.Context, sel ast.SelectionSet, obj
 		case "id":
 			out.Values[i] = ec._Todo_id(ctx, field, obj)
 			if out.Values[i] == graphql.Null {
-				out.Invalids++
+				atomic.AddUint32(&out.Invalids, 1)
 			}
 		case "text":
 			out.Values[i] = ec._Todo_text(ctx, field, obj)
 			if out.Values[i] == graphql.Null {
-				out.Invalids++
+				atomic.AddUint32(&out.Invalids, 1)
 			}
 		case "done":
 			out.Values[i] = ec._Todo_done(ctx, field, obj)
 			if out.Values[i] == graphql.Null {
-				out.Invalids++
+				atomic.AddUint32(&out.Invalids, 1)
 			}
 		case "user":
-			out.Values[i] = ec._Todo_user(ctx, field, obj)
+			field := field
-			if out.Values[i] == graphql.Null {
+
-				out.Invalids++
+			innerFunc := func(ctx context.Context, fs *graphql.FieldSet) (res graphql.Marshaler) {
+				defer func() {
+					if r := recover(); r != nil {
+						ec.Error(ctx, ec.Recover(ctx, r))
+					}
+				}()
+				res = ec._Todo_user(ctx, field, obj)
+				if res == graphql.Null {
+					atomic.AddUint32(&fs.Invalids, 1)
+				}
+				return res
 			}
+
+			if field.Deferrable != nil {
+				dfs, ok := deferred[field.Deferrable.Label]
+				di := 0
+				if ok {
+					dfs.AddField(field)
+					di = len(dfs.Values) - 1
+				} else {
+					dfs = graphql.NewFieldSet([]graphql.CollectedField{field})
+					deferred[field.Deferrable.Label] = dfs
+				}
+				dfs.Concurrently(di, func(ctx context.Context) graphql.Marshaler {
+					return innerFunc(ctx, dfs)
+				})
+
+				// don't run the out.Concurrently() call below
+				out.Values[i] = graphql.Null
+				continue
+			}
+
+			out.Concurrently(i, func(ctx context.Context) graphql.Marshaler { return innerFunc(ctx, out) })
 		default:
 			panic("unknown field " + strconv.Quote(field.Name))
 		}
@@ -3332,6 +3367,10 @@ func (ec *executionContext) marshalNTodo2ᚖsomepiᚗddnsᚗnetᚋgiteaᚋgilex
 	return ec._Todo(ctx, sel, v)
 }
 
+func (ec *executionContext) marshalNUser2somepiᚗddnsᚗnetᚋgiteaᚋgilexᚑdevᚋYetAnotherToDoListᚋgraphᚋmodelᚐUser(ctx context.Context, sel ast.SelectionSet, v model.User) graphql.Marshaler {
+	return ec._User(ctx, sel, &v)
+}
+
 func (ec *executionContext) marshalNUser2ᚖsomepiᚗddnsᚗnetᚋgiteaᚋgilexᚑdevᚋYetAnotherToDoListᚋgraphᚋmodelᚐUser(ctx context.Context, sel ast.SelectionSet, v *model.User) graphql.Marshaler {
 	if v == nil {
 		if !graphql.HasFieldError(ctx, graphql.GetFieldContext(ctx)) {

graph/model/models_gen.go

@@ -7,13 +7,6 @@ type NewTodo struct {
 	UserID string `json:"userId"`
 }
 
-type Todo struct {
-	ID   string `json:"id"`
-	Text string `json:"text"`
-	Done bool   `json:"done"`
-	User *User  `json:"user"`
-}
-
 type User struct {
 	ID   string `json:"id"`
 	Name string `json:"name"`

graph/model/todo.go

@@ -0,0 +1,8 @@
+package model
+
+type Todo struct {
+	ID   string `json:"id"`
+	Text string `json:"text"`
+	Done bool   `json:"done"`
+	User *User  `json:"user"`
+}

graph/resolver.go

@@ -16,8 +16,14 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 package graph
 
+//go:generate go run github.com/99designs/gqlgen generate
+import "somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList/graph/model"
+
 // This file will not be regenerated automatically.
 //
 // It serves as dependency injection for your app, add any dependencies you require here.
 
-type Resolver struct{}
+type Resolver struct {
+	todos   []*model.Todo
+	getUser *model.User
+}

graph/schema.resolvers.go

@@ -6,19 +6,32 @@ package graph
 
 import (
 	"context"
-	"fmt"
+	"crypto/rand"
+	"math/big"
 
 	"somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList/graph/model"
 )
 
 // CreateTodo is the resolver for the createTodo field.
 func (r *mutationResolver) CreateTodo(ctx context.Context, input model.NewTodo) (*model.Todo, error) {
-	panic(fmt.Errorf("not implemented: CreateTodo - createTodo"))
+	rand, _ := rand.Int(rand.Reader, big.NewInt(100))
+	todo := &model.Todo{
+		ID:   rand.String(),
+		Text: input.Text,
+		User: &model.User{ID: input.UserID, Name: "User-" + input.UserID},
+	}
+	r.todos = append(r.todos, todo)
+	return todo, nil
 }
 
 // Todos is the resolver for the todos field.
 func (r *queryResolver) Todos(ctx context.Context) ([]*model.Todo, error) {
-	panic(fmt.Errorf("not implemented: Todos - todos"))
+	return r.todos, nil
+}
+
+// User is the resolver for the user field.
+func (r *todoResolver) User(ctx context.Context, obj *model.Todo) (*model.User, error) {
+	return &model.User{ID: obj.User.ID, Name: obj.User.Name}, nil
 }
 
 // Mutation returns MutationResolver implementation.
@@ -27,5 +40,9 @@ func (r *Resolver) Mutation() MutationResolver { return &mutationResolver{r} }
 // Query returns QueryResolver implementation.
 func (r *Resolver) Query() QueryResolver { return &queryResolver{r} }
 
+// Todo returns TodoResolver implementation.
+func (r *Resolver) Todo() TodoResolver { return &todoResolver{r} }
+
 type mutationResolver struct{ *Resolver }
 type queryResolver struct{ *Resolver }
+type todoResolver struct{ *Resolver }