add api command

apiapp.go

@@ -0,0 +1,166 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	path "path/filepath"
+	"strings"
+)
+
+var cmdApiapp = &Command{
+	// CustomFlags: true,
+	UsageLine: "api [appname]",
+	Short:     "create an api application base on beego framework",
+	Long: `
+create an api application base on beego framework
+
+In the current path, will create a folder named [appname]
+
+In the appname folder has the follow struct:
+
+	├── conf
+	│   └── app.conf
+	├── controllers
+	│   └── default.go
+	├── main.go
+	└── models
+	    └── default.go             
+
+`,
+}
+
+var apiconf = `
+appname = {{.Appname}}
+httpport = 8080
+runmode = dev
+autorender = false
+`
+var apiMaingo = `package main
+
+import (
+	"{{.Appname}}/controllers"
+	"github.com/astaxie/beego"
+)
+
+func main() {
+	beego.Router("/", &controllers.MainController{})
+	beego.Run()
+}
+`
+var apiModels = `package models
+
+type User struct {
+	Name  string
+	Email string
+}
+
+func (this *User) All() (users []User, err error) {
+	// get all users from DB
+	// users, err = queryAll()
+	users = append([]User{}, User{"astaxie", "astaxie@gmail.com"})
+	return
+}
+`
+
+var apiControllers = `package controllers
+
+import (
+	"{{.Appname}}/models"
+	"github.com/astaxie/beego"
+)
+
+type MainController struct {
+	beego.Controller
+}
+
+func (this *MainController) Get() {
+	var user models.User
+	users, err := user.All()
+	if err != nil {
+		this.Data["json"] = err
+	} else {
+		this.Data["json"] = users
+	}
+	this.ServeJson()
+}
+`
+
+func init() {
+	cmdApiapp.Run = createapi
+}
+
+func createapi(cmd *Command, args []string) {
+	if len(args) != 1 {
+		fmt.Println("error args")
+		os.Exit(2)
+	}
+	apppath, packpath, err := checkEnv(args[0])
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(2)
+	}
+	os.MkdirAll(apppath, 0755)
+	fmt.Println("create app folder:", apppath)
+	os.Mkdir(path.Join(apppath, "conf"), 0755)
+	fmt.Println("create conf:", path.Join(apppath, "conf"))
+	os.Mkdir(path.Join(apppath, "controllers"), 0755)
+	fmt.Println("create controllers:", path.Join(apppath, "controllers"))
+	os.Mkdir(path.Join(apppath, "models"), 0755)
+	fmt.Println("create models:", path.Join(apppath, "models"))
+
+	fmt.Println("create conf app.conf:", path.Join(apppath, "conf", "app.conf"))
+	writetofile(path.Join(apppath, "conf", "app.conf"),
+		strings.Replace(apiconf, "{{.Appname}}", args[0], -1))
+
+	fmt.Println("create controllers default.go:", path.Join(apppath, "controllers", "default.go"))
+	writetofile(path.Join(apppath, "controllers", "default.go"),
+		strings.Replace(apiControllers, "{{.Appname}}", packpath, -1))
+
+	fmt.Println("create models default.go:", path.Join(apppath, "models", "default.go"))
+	writetofile(path.Join(apppath, "models", "default.go"), apiModels)
+
+	fmt.Println("create main.go:", path.Join(apppath, "main.go"))
+	writetofile(path.Join(apppath, "main.go"),
+		strings.Replace(apiMaingo, "{{.Appname}}", packpath, -1))
+}
+
+func checkEnv(appname string) (apppath, packpath string, err error) {
+	curpath, err := os.Getwd()
+	if err != nil {
+		return
+	}
+
+	gopath := os.Getenv("GOPATH")
+	Debugf("gopath:%s", gopath)
+	if gopath == "" {
+		err = fmt.Errorf("you should set GOPATH in the env")
+		return
+	}
+
+	appsrcpath := ""
+	haspath := false
+	wgopath := path.SplitList(gopath)
+	for _, wg := range wgopath {
+		wg = path.Join(wg, "src")
+
+		if path.HasPrefix(strings.ToLower(curpath), strings.ToLower(wg)) {
+			haspath = true
+			appsrcpath = wg
+			break
+		}
+	}
+
+	if !haspath {
+		err = fmt.Errorf("can't create application outside of GOPATH `%s`\n"+
+			"you first should `cd $GOPATH%ssrc` then use create\n", gopath, string(path.Separator))
+		return
+	}
+	apppath = path.Join(curpath, appname)
+
+	if _, e := os.Stat(apppath); os.IsNotExist(e) == false {
+		err = fmt.Errorf("path `%s` exists, can not create app without remove it\n", apppath)
+		return
+	}
+	packpath = strings.Join(strings.Split(apppath[len(appsrcpath)+1:], string(path.Separator)), "/")
+	return
+}

main.go

@@ -59,6 +59,7 @@ var commands = []*Command{
 	cmdCreate,
 	cmdStart,
 	cmdPack,
+	cmdApiapp,
 	//cmdReStart,
 }