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service.go
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service.go
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package generator
import (
"bytes"
_ "embed"
"fmt"
"os"
"path"
"strings"
"text/template"
"github.com/yoogoc/kratos-scaffold/pkg/cli"
"github.com/yoogoc/kratos-scaffold/pkg/field"
"github.com/yoogoc/kratos-scaffold/pkg/util"
"github.com/iancoleman/strcase"
"golang.org/x/tools/imports"
)
type Service struct {
Base
ApiPath string
GenHttp bool
}
func NewService(setting *cli.EnvSettings) *Service {
return &Service{
Base: NewBase(setting, true),
}
}
func (b *Service) CurrentPkgPath() string {
return path.Join(util.ModName(), b.InternalPath(), "internal")
}
func (b *Service) FieldsExceptPrimary() []*field.Field {
return util.FilterSlice(b.Fields, func(f *field.Field) bool {
return f.Name != b.PrimaryKey
})
}
func (b *Service) CreateFields() []*field.Field {
return b.Fields.CreateFields(b.PrimaryKey)
}
func (b *Service) UpdateFields() []*field.Field {
return b.Fields.UpdateFields(b.Fields.PrimaryField(b.PrimaryKey))
}
func (b *Service) PrimaryField() *field.Field {
return b.Fields.PrimaryField(b.PrimaryKey)
}
//go:embed tmpl/service.tmpl
var serviceTmpl string
//go:embed tmpl/service_transfer.tmpl
var serviceTransferTmpl string
func (b *Service) Generate() error {
if err := b.genTransfer(); err != nil {
return err
}
if err := b.genService(); err != nil {
return err
}
return nil
}
func (b *Service) genTransfer() error {
fmt.Println("generating service transfer...")
buf := new(bytes.Buffer)
funcMap := template.FuncMap{
"ToLower": strings.ToLower,
"ToPlural": util.Plural,
"ToCamel": strcase.ToCamel,
"ToSnake": strcase.ToSnake,
"ToLowCamel": strcase.ToLowerCamel,
}
tmpl, err := template.New("serviceTmpl").Funcs(funcMap).Parse(serviceTransferTmpl)
if err != nil {
return err
}
err = tmpl.Execute(buf, b)
if err != nil {
return err
}
p := path.Join(b.OutPath(), strcase.ToSnake(b.Name)+"_transfer.go")
content, err := imports.Process(p, buf.Bytes(), nil)
if err != nil {
return err
}
return os.WriteFile(p, content, 0o644)
}
func (b *Service) genService() error {
fmt.Println("generating service...")
buf := new(bytes.Buffer)
funcMap := template.FuncMap{
"ToLower": strings.ToLower,
"ToPlural": util.Plural,
"ToCamel": strcase.ToCamel,
"ToSnake": strcase.ToSnake,
"ToLowCamel": strcase.ToLowerCamel,
}
tmpl, err := template.New("serviceTmpl").Funcs(funcMap).Parse(serviceTmpl)
if err != nil {
return err
}
err = tmpl.Execute(buf, b)
if err != nil {
return err
}
p := path.Join(b.OutPath(), strcase.ToSnake(b.Name)+".go")
content, err := imports.Process(p, buf.Bytes(), nil)
if err != nil {
return err
}
return os.WriteFile(p, content, 0o644)
}
func (b *Service) OutPath() string {
wd, err := os.Getwd()
if err != nil {
panic(err)
}
return path.Join(wd, b.InternalPath(), "internal/service") // TODO
}
func (b *Service) InternalPath() string {
if b.Namespace != "" {
return path.Join(b.AppDirName, b.Namespace) // TODO
}
return ""
}