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86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
package gogen
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import (
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"bytes"
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"fmt"
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"path"
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"sort"
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"strings"
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"text/template"
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"zero/tools/goctl/api/spec"
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"zero/tools/goctl/api/util"
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)
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const mainTemplate = `package main
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import (
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"flag"
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{{.importPackages}}
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)
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var configFile = flag.String("f", "etc/{{.serviceName}}.json", "the config file")
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func main() {
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flag.Parse()
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var c config.Config
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conf.MustLoad(*configFile, &c)
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ctx := svc.NewServiceContext(c)
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engine := ngin.MustNewEngine(c.NgConf)
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defer engine.Stop()
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handler.RegisterHandlers(engine, ctx)
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engine.Start()
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}
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`
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func genMain(dir string, api *spec.ApiSpec) error {
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name := strings.ToLower(api.Service.Name)
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if strings.HasSuffix(name, "-api") {
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name = strings.ReplaceAll(name, "-api", "")
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}
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goFile := name + ".go"
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fp, created, err := util.MaybeCreateFile(dir, "", goFile)
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if err != nil {
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return err
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}
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if !created {
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return nil
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}
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defer fp.Close()
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parentPkg, err := getParentPackage(dir)
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if err != nil {
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return err
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}
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t := template.Must(template.New("mainTemplate").Parse(mainTemplate))
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buffer := new(bytes.Buffer)
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err = t.Execute(buffer, map[string]string{
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"importPackages": genMainImports(parentPkg),
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"serviceName": api.Service.Name,
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})
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if err != nil {
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return nil
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}
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formatCode := formatCode(buffer.String())
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_, err = fp.WriteString(formatCode)
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return err
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}
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func genMainImports(parentPkg string) string {
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imports := []string{
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`"zero/core/conf"`,
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`"zero/ngin"`,
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}
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imports = append(imports, fmt.Sprintf("\"%s\"", path.Join(parentPkg, configDir)))
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imports = append(imports, fmt.Sprintf("\"%s\"", path.Join(parentPkg, handlerDir)))
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imports = append(imports, fmt.Sprintf("\"%s\"", path.Join(parentPkg, contextDir)))
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sort.Strings(imports)
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return strings.Join(imports, "\n\t")
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}
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