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base.go
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base.go
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package util
import (
"errors"
"fmt"
"go/ast"
"go/token"
"io/ioutil"
"os"
"strings"
astutil2 "github.com/thoohv5/person/pkg/cmd/generate/util/astutil"
)
type BaseParam struct {
Table string
Project string
Dir string
Package string
}
func GenParam(dir, project, table, tableName string) (*BaseParam, *TableWrapper) {
baseParam := &BaseParam{
Project: project,
Dir: dir,
Table: table,
Package: strings.ReplaceAll(table, "_", ""),
}
upperCamelName := UpperCamelName(table)
camelName := strings.ToLower(upperCamelName[:1]) + upperCamelName[1:]
param := &TableWrapper{
Name: table,
UpperCamlName: upperCamelName,
CamlName: camelName,
MidlineName: strings.ReplaceAll(table, "_", "-"),
ProjectName: project,
Backquote: "`",
NameTrans: tableName,
Package: strings.ReplaceAll(table, "_", ""),
}
return baseParam, param
}
func GenFile(kind string, baseParam *BaseParam, param *TableWrapper, format string) error {
tpl, err := Execute(param, format)
if err != nil {
return errors.New(fmt.Sprintf("fail to generate %s[%s], err: %s\n", kind, baseParam.Table, err.Error()))
}
path := fmt.Sprintf("%s/%s.go", baseParam.Dir, baseParam.Table)
_, err = os.Stat(path)
if err == nil {
return errors.New(fmt.Sprintf("fail to generate %s[%s], err: %s is exist\n", kind, baseParam.Table, path))
}
if err := ioutil.WriteFile(path, []byte(tpl), 0755); err != nil {
return errors.New(fmt.Sprintf("fail to generate %s[%s], err: fail to write file. %s\n", kind, baseParam.Table, err.Error()))
}
return nil
}
// GenDao 生产dao,方便外部调用
func GenDao(dir, table string, tpl map[string]string) error {
dirName := strings.ReplaceAll(table, "_", "")
if err := os.MkdirAll(fmt.Sprintf("%s/%s", dir, dirName), 0755); err != nil {
return errors.New(fmt.Sprintf("dir create err %v\n", err))
}
_, param := GenParam(dir, "", table, "")
for tag, str := range tpl {
tpl, err := Execute(param, str)
if err != nil {
return errors.New(fmt.Sprintf("fail to generate dao: [%s].%s, err: %s\n", dirName, tag, err.Error()))
}
path := fmt.Sprintf("%s/%s/%s.go", dir, dirName, tag)
_, err = os.Stat(path)
if err == nil {
return errors.New(fmt.Sprintf("fail to generate dao: [%s].%s, err: %s is exist\n", dirName, tag, path))
}
if err := ioutil.WriteFile(path, []byte(tpl), 0755); err != nil {
return errors.New(fmt.Sprintf("fail to generate dao: [%s].%s, err: fail to write file. %s\n", dirName, tag, err.Error()))
}
}
return nil
}
func RegController(fst *token.FileSet, f *ast.File, table string, regPath string) error {
upperCamlName := UpperCamelName(table)
// 往ProviderSet注入参数
ret := astutil2.AddValueToCaller(f, "ProviderSet", fmt.Sprintf("\n\tNew%s", upperCamlName))
if !ret {
return errors.New(fmt.Sprintf("fail to rewrite ProviderSet"))
}
// astutil.PrintResult(fst,f)
if err := astutil2.WriteToFile(fst, f, regPath); err != nil {
return errors.New(fmt.Sprintf("fail to rewrite file"))
}
return nil
}
func RegService(fst *token.FileSet, f *ast.File, table string, regPath string) error {
upperCamlName := UpperCamelName(table)
// 往ProviderSet注入参数
ret := astutil2.AddValueToCaller(f, "ProviderSet", fmt.Sprintf("\n\tNew%s", upperCamlName))
if !ret {
return errors.New(fmt.Sprintf("fail to rewrite ProviderSet"))
}
// astutil.PrintResult(fst,f)
if err := astutil2.WriteToFile(fst, f, regPath); err != nil {
return errors.New(fmt.Sprintf("fail to rewrite file"))
}
return nil
}
func RegRouter(fst *token.FileSet, f *ast.File, parentName, table, regPath string) error {
_, param := GenParam("", "", table, "")
// 往RegisterRouter方法添加参数
ret := astutil2.AddParamToFunc(f, "RegisterRouter", fmt.Sprintf("\n\t%s", param.CamlName), fmt.Sprintf("*controller.%s", param.UpperCamlName))
if !ret {
return errors.New("fail to rewrite RegisterRouter")
}
// 新增参数
varName := fmt.Sprintf("\n\tr%s", param.UpperCamlName)
v := fmt.Sprintf("%s.Group(\"/%s\")", parentName, param.MidlineName)
ret = astutil2.AddVarToFunc(f, "RegisterRouter", varName, v, "", "var")
if !ret {
return errors.New("fail to rewrite RegisterRouter")
}
// 新增代码块
data := []astutil2.AstCallExpr{
{
FunName: varName,
FunSel: "POST",
Args: []string{astutil2.AddQuote(""), fmt.Sprintf("%s.Create", param.CamlName)},
},
{
FunName: varName,
FunSel: "PUT",
Args: []string{astutil2.AddQuote("/:id"), fmt.Sprintf("%s.Update", param.CamlName)},
},
{
FunName: varName,
FunSel: "GET",
Args: []string{astutil2.AddQuote(""), fmt.Sprintf("%s.List", param.CamlName)},
},
{
FunName: varName,
FunSel: "GET",
Args: []string{astutil2.AddQuote("/all"), fmt.Sprintf("%s.All", param.CamlName)},
},
{
FunName: varName,
FunSel: "GET",
Args: []string{astutil2.AddQuote("/:id"), fmt.Sprintf("%s.Detail", param.CamlName)},
},
{
FunName: varName,
FunSel: "DELETE",
Args: []string{astutil2.AddQuote(""), fmt.Sprintf("%s.Delete", param.CamlName)},
},
}
astutil2.AddCallBlockToFunc(f, "RegisterRouter", data, varName)
if !ret {
return errors.New("fail to rewrite RegisterRouter")
}
// astutil.PrintResult(fst,f)
if err := astutil2.WriteToFile(fst, f, regPath); err != nil {
return errors.New("fail to rewrite file")
}
return nil
}