add graphql example

#2029

_examples/graphql/schema-first/graph/schema.resolvers.go

@@ -0,0 +1,77 @@
+package graph
+
+// This file will be automatically regenerated based on the schema, any resolver implementations
+// will be copied through when generating and any unknown code will be moved to the end.
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	"github.com/iris-contrib/outerbanks-api/graph/model"
+)
+
+func (r *mutationResolver) UpsertCharacter(ctx context.Context, input model.CharacterInput) (*model.Character, error) {
+	id := input.ID
+	var character model.Character
+	character.Name = input.Name
+	character.CliqueType = input.CliqueType
+
+	n := len(r.Resolver.CharacterStore)
+	if n == 0 {
+		r.Resolver.CharacterStore = make(map[string]model.Character)
+	}
+
+	if id != nil {
+		cs, ok := r.Resolver.CharacterStore[*id]
+		if !ok {
+			return nil, fmt.Errorf("not found")
+		}
+		if input.IsHero != nil {
+			character.IsHero = *input.IsHero
+		} else {
+			character.IsHero = cs.IsHero
+		}
+		r.Resolver.CharacterStore[*id] = character
+	} else {
+		// generate unique id
+		nid := strconv.Itoa(n + 1)
+		character.ID = nid
+		if input.IsHero != nil {
+			character.IsHero = *input.IsHero
+		}
+		r.Resolver.CharacterStore[nid] = character
+	}
+
+	return &character, nil
+}
+
+func (r *queryResolver) Character(ctx context.Context, id string) (*model.Character, error) {
+	character, ok := r.Resolver.CharacterStore[id]
+	if !ok {
+		return nil, fmt.Errorf("not found")
+	}
+	return &character, nil
+}
+
+func (r *queryResolver) Characters(ctx context.Context, cliqueType model.CliqueType) ([]*model.Character, error) {
+	characters := make([]*model.Character, 0)
+	for idx := range r.Resolver.CharacterStore {
+		character := r.Resolver.CharacterStore[idx]
+		if character.CliqueType == cliqueType {
+
+			characters = append(characters, &character)
+		}
+	}
+
+	return characters, nil
+}
+
+// Mutation returns generated.MutationResolver implementation.
+func (r *Resolver) Mutation() MutationResolver { return &mutationResolver{r} }
+
+// Query returns generated.QueryResolver implementation.
+func (r *Resolver) Query() QueryResolver { return &queryResolver{r} }
+
+type mutationResolver struct{ *Resolver }
+type queryResolver struct{ *Resolver }