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wrapper_generator.go
100 lines (81 loc) · 2.02 KB
/
wrapper_generator.go
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package modulegenerator
import (
"bufio"
"bytes"
"fmt"
"os"
"strings"
"github.com/Muruyung/go-utilities/logger"
"github.com/dave/jennifer/jen"
)
func generateWrapper(interfaceShort, interfaceName, path string) error {
var pkgName string
if strings.Contains(interfaceName, "Repository") {
pkgName = "repository"
}
if strings.Contains(interfaceName, "Service") {
pkgName = "service"
}
if strings.Contains(interfaceName, "SqlTx") {
interfaceName = "SqlTx"
}
if strings.Contains(interfaceName, "SvcTx") {
interfaceName = "SvcTx"
}
if strings.Contains(interfaceName, "UseCase") {
if strings.Contains(path, "/query/") {
pkgName = "query"
} else if strings.Contains(path, "/command/") {
pkgName = "command"
} else {
pkgName = "usecase"
}
}
var (
file = jen.NewFilePathName(path, pkgName)
)
file.Type().Id("Wrapper").Struct(
jen.Id(interfaceShort).Id(interfaceName),
)
return file.Save(path)
}
func appendWrapper(interfaceShort, interfaceName, path string) error {
if _, err := os.Stat(path + "wrapper.go"); os.IsNotExist(err) {
return generateWrapper(interfaceShort, interfaceName, path+"wrapper.go")
}
f, err := os.OpenFile(path+"wrapper.go", os.O_RDWR, 0666)
if err != nil {
logger.Logger.Error(fmt.Sprintf(defaultErr, err))
return err
}
defer f.Close()
var (
scanner = bufio.NewScanner(f)
isFound = false
strBefore string
)
insertText := fmt.Sprintf("\n %s %s\n", interfaceShort, interfaceName)
for scanner.Scan() {
if strings.Contains(scanner.Text(), "type Wrapper struct {") {
isFound = true
strBefore += scanner.Text()
continue
}
if isFound {
insertText += scanner.Text() + "\n"
} else {
strBefore += scanner.Text()
}
}
strBeforeBytes := bytes.Count([]byte(strBefore), []byte{})
if err = scanner.Err(); err != nil {
logger.Logger.Error(fmt.Sprintf(defaultErr, err))
return err
}
_, err = f.WriteAt([]byte(insertText), int64(strBeforeBytes+2))
if err != nil {
logger.Logger.Error(fmt.Sprintf(defaultErr, err))
return err
}
return nil
}