refactor: new (#3)

* Add new files and modify existing files

* Add new templates and API endpoint for user login and registration

* Add PostForm and Post model

cmd/main.go

@@ -1,32 +1,52 @@
 package main
 
 import (
-	"go-gin/cmd/srv"
+	"context"
+	"go-gin/cmd/srv/controller"
 	"go-gin/service/singleton"
 
+	"github.com/ory/graceful"
 	flag "github.com/spf13/pflag"
 )
 
 type CliParam struct {
-	ConfigName string // 配置文件名称
+	ConfigName string // Config file name
+	Port       uint   // Server port
 }
 
 var (
-	svrCliParam CliParam
+	cliParam CliParam
 )
 
 func main() {
 	flag.CommandLine.ParseErrorsWhitelist.UnknownFlags = true
-	flag.StringVarP(&svrCliParam.ConfigName, "config", "c", "config", "config file name")
+	flag.StringVarP(&cliParam.ConfigName, "config", "c", "config", "config file name")
+	flag.UintVarP(&cliParam.Port, "port", "p", 0, "server port")
 	flag.Parse()
 	flag.Lookup("config").NoOptDefVal = "config"
 
-	singleton.InitConfig(svrCliParam.ConfigName)
-	singleton.InitLog(singleton.Config)
-	// singleton.InitDBFromPath(singleton.Config.DB_Path)
+	singleton.InitConfig(cliParam.ConfigName)
+	singleton.InitLog(singleton.Conf)
+	singleton.InitDBFromPath(singleton.Conf.DBPath)
 	initService()
 
-	srv.ServerWeb(singleton.Config)
+	port := singleton.Conf.Server.Port
+	if cliParam.Port != 0 {
+		port = cliParam.Port
+	}
+
+	srv := controller.ServerWeb(port)
+
+	if err := graceful.Graceful(func() error {
+		return srv.ListenAndServe()
+	}, func(c context.Context) error {
+		singleton.Log.Info().Msg("Graceful::START")
+		srv.Shutdown(c)
+		return nil
+	}); err != nil {
+		singleton.Log.Err(err).Msg("Graceful::Error")
+	}
+
 }
 
 func initService() {

cmd/srv/controller/api_v1.go

@@ -0,0 +1,57 @@
+package controller
+
+import (
+	"fmt"
+	"go-gin/internal/gogin"
+	"go-gin/service/singleton"
+
+	"github.com/gin-gonic/gin"
+)
+
+type apiV1 struct {
+	r gin.IRouter
+}
+
+func (v *apiV1) serve() {
+	r := v.r.Group("")
+	// API
+	r.Use(gogin.Authorize(gogin.AuthorizeOption{
+		User:     true,
+		IsPage:   false,
+		Msg:      "Please log in first",
+		Btn:      "Log in",
+		Redirect: fmt.Sprintf("%s/login", singleton.Conf.Site.BaseURL),
+	}))
+	r.PUT("/post", v.putPost)
+
+	user := v.r.Group("user")
+	{
+		user.GET("/info", v.getUserInfo)
+		user.GET("/logout", v.logout)
+		user.GET("/refresh", v.refresh)
+	}
+}
+
+func (v *apiV1) putPost(c *gin.Context) {
+	c.JSON(200, gin.H{
+		"message": "post",
+	})
+}
+
+func (v *apiV1) getUserInfo(c *gin.Context) {
+	c.JSON(200, gin.H{
+		"message": "user info",
+	})
+}
+
+func (v *apiV1) logout(c *gin.Context) {
+	c.JSON(200, gin.H{
+		"message": "logout",
+	})
+}
+
+func (v *apiV1) refresh(c *gin.Context) {
+	c.JSON(200, gin.H{
+		"message": "refresh",
+	})
+}

cmd/srv/controller/common_page.go

@@ -0,0 +1,28 @@
+package controller
+
+import (
+	"go-gin/internal/gogin"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+type commonPage struct {
+	r *gin.Engine
+}
+
+func (cp *commonPage) serve() {
+	cr := cp.r.Group("")
+	cr.GET("/", cp.home)
+	cr.GET("/ping", cp.ping)
+}
+
+func (p *commonPage) home(c *gin.Context) {
+	c.HTML(http.StatusOK, "index", gogin.CommonEnvironment(c, gin.H{}))
+}
+
+func (p *commonPage) ping(c *gin.Context) {
+	c.JSON(http.StatusOK, gin.H{
+		"message": "pong",
+	})
+}

cmd/srv/controller/controller.go

@@ -0,0 +1,107 @@
+package controller
+
+import (
+	"fmt"
+	"html/template"
+	"io/fs"
+	"net/http"
+	"time"
+
+	"github.com/gin-contrib/pprof"
+	"github.com/gin-gonic/gin"
+
+	"go-gin/internal/gconfig"
+	"go-gin/internal/gogin"
+	"go-gin/pkg/mygin"
+	"go-gin/resource"
+	"go-gin/service/singleton"
+)
+
+func ServerWeb(port uint) *http.Server {
+	gin.SetMode(gin.ReleaseMode)
+	r := gin.Default()
+
+	loadTemplates(r)
+
+	if singleton.Conf.Debug {
+		gin.SetMode(gin.DebugMode)
+		pprof.Register(r, gconfig.DefaultPprofRoutePath)
+	}
+
+	r.Use(mygin.RecordPath)
+
+	serveStatic(r)
+
+	routers(r)
+
+	srv := &http.Server{
+		Addr:              fmt.Sprintf(":%d", port),
+		ReadHeaderTimeout: time.Second * 5,
+		Handler:           r,
+	}
+	return srv
+}
+
+// Serve static files
+func serveStatic(r *gin.Engine) {
+	staticFs, err := fs.Sub(resource.StaticFS, "static")
+	if err != nil {
+		singleton.Log.Fatal().Err(err).Msg("Error parsing static files")
+		panic(err)
+	}
+	r.StaticFS("/static", http.FS(staticFs))
+
+	// Serve uploaded files
+	r.Static("/upload", singleton.Conf.Upload.Dir)
+}
+
+// Load templates
+func loadTemplates(r *gin.Engine) {
+	new_tmpl := template.New("").Funcs(mygin.FuncMap)
+	var err error
+	new_tmpl, err = new_tmpl.ParseFS(resource.TemplateFS, "template/**/*.html", "template/*.html")
+	if err != nil {
+		singleton.Log.Fatal().Err(err).Msg("Error parsing templates")
+		panic(err)
+	}
+	r.SetHTMLTemplate(new_tmpl)
+}
+
+func routers(r *gin.Engine) {
+
+	r.Use(gogin.LoggingHandler())
+	r.Use(mygin.GenerateContextIdHandler())
+	r.Use(mygin.CORSHandler())
+	r.Use(gogin.RateLimiterHandler(singleton.Conf.RateLimit.Max))
+
+	// Serve common pages, e.g. home, ping
+	cp := commonPage{r: r}
+	cp.serve()
+
+	// Serve guest pages, e.g. register, login
+	gp := guestPage{r: r}
+	gp.serve()
+
+	// Server show pages, e.g. post
+	sp := showPage{r: r}
+	sp.serve()
+
+	// Serve API
+	api := r.Group("api")
+	{
+		ua := &userAPI{r: api}
+		ua.serve()
+	}
+
+	page404 := func(c *gin.Context) {
+		gogin.ShowErrorPage(c, mygin.ErrInfo{
+			Code:  http.StatusNotFound,
+			Title: "Page not found",
+			Msg:   "The page you are looking for is not found",
+			Link:  singleton.Conf.Site.BaseURL,
+			Btn:   "Back to home",
+		}, true)
+	}
+	r.NoRoute(page404)
+	r.NoMethod(page404)
+}