1package resolvergen
 2
 3import (
 4	"log"
 5	"os"
 6
 7	"github.com/99designs/gqlgen/codegen"
 8	"github.com/99designs/gqlgen/codegen/templates"
 9	"github.com/99designs/gqlgen/plugin"
10	"github.com/pkg/errors"
11)
12
13func New() plugin.Plugin {
14	return &Plugin{}
15}
16
17type Plugin struct{}
18
19var _ plugin.CodeGenerator = &Plugin{}
20
21func (m *Plugin) Name() string {
22	// TODO: typo, should be resolvergen
23	return "resovlergen"
24}
25func (m *Plugin) GenerateCode(data *codegen.Data) error {
26	if !data.Config.Resolver.IsDefined() {
27		return nil
28	}
29
30	resolverBuild := &ResolverBuild{
31		Data:         data,
32		PackageName:  data.Config.Resolver.Package,
33		ResolverType: data.Config.Resolver.Type,
34	}
35	filename := data.Config.Resolver.Filename
36
37	if _, err := os.Stat(filename); os.IsNotExist(errors.Cause(err)) {
38		return templates.Render(templates.Options{
39			PackageName: data.Config.Resolver.Package,
40			Filename:    data.Config.Resolver.Filename,
41			Data:        resolverBuild,
42		})
43	}
44
45	log.Printf("Skipped resolver: %s already exists\n", filename)
46	return nil
47}
48
49type ResolverBuild struct {
50	*codegen.Data
51
52	PackageName  string
53	ResolverType string
54}