04-Web-Form better structure

controller/g.go

@@ -0,0 +1,17 @@
+package controller
+
+import "html/template"
+
+var (
+	homeController home
+	templates      map[string]*template.Template
+)
+
+func init() {
+	templates = PopulateTemplates()
+}
+
+// Startup func
+func Startup() {
+	homeController.registerRoutes()
+}

controller/home.go

@@ -0,0 +1,19 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/bonfy/go-mega-code/vm"
+)
+
+type home struct{}
+
+func (h home) registerRoutes() {
+	http.HandleFunc("/", indexHandler)
+}
+
+func indexHandler(w http.ResponseWriter, r *http.Request) {
+	vop := vm.IndexViewModelOp{}
+	v := vop.GetVM()
+	templates["index.html"].Execute(w, &v)
+}

controller/utils.go

@@ -0,0 +1,42 @@
+package controller
+
+import (
+	"html/template"
+	"io/ioutil"
+	"os"
+)
+
+// PopulateTemplates func
+// Create map template name to template.Template
+func PopulateTemplates() map[string]*template.Template {
+	const basePath = "templates"
+	result := make(map[string]*template.Template)
+
+	layout := template.Must(template.ParseFiles(basePath + "/_base.html"))
+	dir, err := os.Open(basePath + "/content")
+	if err != nil {
+		panic("Failed to open template blocks directory: " + err.Error())
+	}
+	fis, err := dir.Readdir(-1)
+	if err != nil {
+		panic("Failed to read contents of content directory: " + err.Error())
+	}
+	for _, fi := range fis {
+		f, err := os.Open(basePath + "/content/" + fi.Name())
+		if err != nil {
+			panic("Failed to open template '" + fi.Name() + "'")
+		}
+		content, err := ioutil.ReadAll(f)
+		if err != nil {
+			panic("Failed to read content from file '" + fi.Name() + "'")
+		}
+		f.Close()
+		tmpl := template.Must(layout.Clone())
+		_, err = tmpl.Parse(string(content))
+		if err != nil {
+			panic("Failed to parse contents of '" + fi.Name() + "' as template")
+		}
+		result[fi.Name()] = tmpl
+	}
+	return result
+}

main.go

@@ -1,79 +1,12 @@
 package main
 
 import (
-	"html/template"
-	"io/ioutil"
 	"net/http"
-	"os"
-)
-
-// User struct
-type User struct {
-	Username string
-}
-
-// Post struct
-type Post struct {
-	User
-	Body string
-}
-
-// IndexViewModel struct
-type IndexViewModel struct {
-	Title string
-	User
-	Posts []Post
-}
 
-// PopulateTemplates func
-// Create map template name to template.Template
-func PopulateTemplates() map[string]*template.Template {
-	const basePath = "templates"
-	result := make(map[string]*template.Template)
-
-	layout := template.Must(template.ParseFiles(basePath + "/_base.html"))
-	dir, err := os.Open(basePath + "/content")
-	if err != nil {
-		panic("Failed to open template blocks directory: " + err.Error())
-	}
-	fis, err := dir.Readdir(-1)
-	if err != nil {
-		panic("Failed to read contents of content directory: " + err.Error())
-	}
-	for _, fi := range fis {
-		f, err := os.Open(basePath + "/content/" + fi.Name())
-		if err != nil {
-			panic("Failed to open template '" + fi.Name() + "'")
-		}
-		content, err := ioutil.ReadAll(f)
-		if err != nil {
-			panic("Failed to read content from file '" + fi.Name() + "'")
-		}
-		f.Close()
-		tmpl := template.Must(layout.Clone())
-		_, err = tmpl.Parse(string(content))
-		if err != nil {
-			panic("Failed to parse contents of '" + fi.Name() + "' as template")
-		}
-		result[fi.Name()] = tmpl
-	}
-	return result
-}
+	"github.com/bonfy/go-mega-code/controller"
+)
 
 func main() {
-	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		u1 := User{Username: "bonfy"}
-		u2 := User{Username: "rene"}
-
-		posts := []Post{
-			Post{User: u1, Body: "Beautiful day in Portland!"},
-			Post{User: u2, Body: "The Avengers movie was so cool!"},
-		}
-
-		v := IndexViewModel{Title: "Homepage", User: u1, Posts: posts}
-
-		templates := PopulateTemplates()
-		templates["index.html"].Execute(w, &v)
-	})
+	controller.Startup()
 	http.ListenAndServe(":8888", nil)
 }

model/post.go

@@ -0,0 +1,7 @@
+package model
+
+// Post struct
+type Post struct {
+	User
+	Body string
+}

model/user.go

@@ -0,0 +1,6 @@
+package model
+
+// User struct
+type User struct {
+	Username string
+}

vm/g.go

@@ -0,0 +1,11 @@
+package vm
+
+// BaseViewModel struct
+type BaseViewModel struct {
+	Title string
+}
+
+// SetTitle func
+func (v *BaseViewModel) SetTitle(title string) {
+	v.Title = title
+}

vm/index.go

@@ -0,0 +1,27 @@
+package vm
+
+import "github.com/bonfy/go-mega-code/model"
+
+// IndexViewModel struct
+type IndexViewModel struct {
+	BaseViewModel
+	model.User
+	Posts []model.Post
+}
+
+// IndexViewModelOp struct
+type IndexViewModelOp struct{}
+
+// GetVM func
+func (IndexViewModelOp) GetVM() IndexViewModel {
+	u1 := model.User{Username: "bonfy"}
+	u2 := model.User{Username: "rene"}
+
+	posts := []model.Post{
+		model.Post{User: u1, Body: "Beautiful day in Portland!"},
+		model.Post{User: u2, Body: "The Avengers movie was so cool!"},
+	}
+
+	vm := IndexViewModel{BaseViewModel{Title: "Homepage"}, u1, posts}
+	return vm
+}