Init and optimizations

racc_template/racc_template.go

@@ -0,0 +1,81 @@
+package racc_template
+
+import (
+	"fmt"
+	"html/template"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+var templates = template.Must(template.ParseFiles("./html-templates/index.html"))
+
+func WriteTemplate(title, description, templatedir string, status int) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			initTemplates(templatedir)
+			w.WriteHeader(status)
+			//fmt.Println("Status WriteTemplate ", status)
+			renderTemplate(w, "html-templates/application_mainframe.html", nil)
+		})
+	}
+}
+
+func RenderApplicationTemplate(tmpl string, data interface{}) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			a, b := template.ParseFiles("html-templates/application_mainframe.html", tmpl)
+			fmt.Println(b)
+			tmpls := template.Must(a, b)
+			c := tmpls.ExecuteTemplate(w, "application_mainframe.html", data)
+			fmt.Println(c)
+		})
+	}
+}
+
+func RenderApplicationTemplateHandler(tmpl string, data interface{}) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		a, b := template.ParseFiles("html-templates/application_mainframe.html", tmpl)
+		fmt.Println(b)
+		tmpls := template.Must(a, b)
+		c := tmpls.ExecuteTemplate(w, "application_mainframe.html", data)
+		fmt.Println(c)
+	})
+}
+
+func ProcessTemplate(w http.ResponseWriter, templatename, templatedir string, status int, data interface{}) {
+	initTemplates(templatedir)
+	w.WriteHeader(status)
+	//fmt.Println("Status ProcessTemplate ", status)
+	renderTemplate(w, templatename, data)
+}
+
+func initTemplates(directory string) {
+
+	files, err := os.ReadDir(directory)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	var filePaths []string
+	for _, file := range files {
+		if !file.IsDir() {
+			filePaths = append(filePaths, filepath.Join(directory, file.Name()))
+		}
+	}
+	fmt.Println(filePaths)
+	tmpl, err := template.ParseFiles(filePaths...)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	templates = template.Must(tmpl, err)
+}
+
+func renderTemplate(w http.ResponseWriter, tmpl string, data interface{}) {
+	err := templates.ExecuteTemplate(w, tmpl, data)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}