code refacturing, added render package comments

web/api/apis

@@ -1,5 +1,5 @@
 {
     "main":{"body":"message"},
-    "sec":"/api/sec",
-    "thi":"/api/thi"
+    "sec":"second",
+    "thi":"third"
 }

web/manager/manager.go

@@ -15,33 +15,24 @@ func Add_api(w http.ResponseWriter, req *http.Request) {
 	fmt.Fprintf(w, "good")
 }
 
-func Show_apis(w http.ResponseWriter, req *http.Request) {
-	apis := api.Apis()
-	eval := "<div>"
-	for tag, varr := range apis {
-		eval_group := ""
-		eval_group += fmt.Sprintf("%v", varr)
-		eval_group += "-"
-		eval_group += tag
-		eval_group += "<br>"
-		eval += render.Template_of_tag(eval_group, "text")
-	}
-	eval += "</div>"
-
-	fmt.Fprint(w, render.Template_with_string(eval))
-}
-
 func Render_apis(w http.ResponseWriter, req *http.Request) {
 	apis := api.Apis()
-	eval := "<div>"
+	eval := ""
+	i := 0
 	for tag, varr := range apis {
 		eval_group := ""
 		eval_group += tag
-		eval_group += "-"
+		eval_group += "<br>-"
 		eval_group += fmt.Sprintf("%v", varr)
 		eval_group += "<br>"
-		eval += eval_group
+
+		eval += render.Put_vars_to_template(
+			render.Template_of_tag("li"),
+			lib.Map_args("li_id", fmt.Sprint(i), "content", eval_group))
+		i++
 	}
-	eval += "</div>"
-	fmt.Fprint(w, render.Put_vars_to_template(render.Template_with_part("json_out"), lib.Map_args("json_code", eval)))
+	fmt.Fprint(w,
+		render.Put_vars_to_template(
+			render.Template_of_part("json_out_as_list"),
+			lib.Map_args("li_from_json_code", eval)))
 }

web/render/render.go

@@ -1,87 +1,77 @@
 package render
 
+// light renderer package that used for generating html templates
+// loading the template files from views folder
+// using part folder as template parts
+// using tag folder as templates of html tags
+
 import (
 	"api_manager/lib"
-	"fmt"
 	"os"
 	"strings"
 )
 
+// loading default head and foot template and adding custom string in the middle
 func Template_with_string(str string) string {
+	// loading head.html and foot.html
 	head, err := os.ReadFile("web/views/head.html")
 	foot, err := os.ReadFile("web/views/foot.html")
+	// handling error by lib function and exiting if it occures
+	lib.Handle_err(err, lib.Map_args("die", "1"))
+
+	// combining html parts
 	template := "" + string(head) + str + string(foot)
-	fmt.Println(err)
 
 	return template
 }
 
+// loading default head and foot template and adding html template from file in the middle
 func Template_with_page(str string) string {
+	// loading head.html and foot.html
 	head, err := os.ReadFile("web/views/head.html")
-	lib.Handle_err(err, lib.Map_args("die", "1"))
 	foot, err := os.ReadFile("web/views/foot.html")
-	lib.Handle_err(err, lib.Map_args("die", "1"))
+	// loading custom html template file
 	page, err := os.ReadFile("web/views/" + str + ".html")
+	// handling error by lib function and exiting if it occures
 	lib.Handle_err(err, lib.Map_args("die", "1"))
 
-	template := "" + string(head) + string(page) + string(foot)
-	fmt.Println(err)
-
-	return template
-}
-
-func Template_with_page_vars(str string, tags_and_variables map[string]string) string {
-	head, err := os.ReadFile("web/views/head.html")
-	lib.Handle_err(err, lib.Map_args("die", "1"))
-	foot, err := os.ReadFile("web/views/foot.html")
-	lib.Handle_err(err, lib.Map_args("die", "1"))
-
-	page := ""
-	for tag, varr := range tags_and_variables {
-		page = templating(str, tag, varr)
-	}
+	// combining html parts
 	template := "" + string(head) + string(page) + string(foot)
 
 	return template
 }
 
-func Template_of_tag(str string, html_tag string) string {
+// loading default head and foot template and adding html template from tag file in the middle
+func Template_of_tag(html_tag string) string {
+	// loading head.html and foot.html
 	tag, err := os.ReadFile("web/views/tag/" + html_tag + ".html")
-	result := strings.Replace(string(tag), "{{fnr}}", str, 1)
+	// handling error by lib function and exiting if it occures
 	lib.Handle_err(err, lib.Map_args("die", "1"))
 
-	return result
+	return string(tag)
 }
 
-func Template_with_part(part_name string) string {
+// loading default head and foot template and adding html template from part file in the middle
+func Template_of_part(part_name string) string {
+	// loading head.html and foot.html
 	head, err := os.ReadFile("web/views/head.html")
-	lib.Handle_err(err, lib.Map_args("die", "1"))
 	page, err := os.ReadFile("web/views/part/" + part_name + ".html")
-	lib.Handle_err(err, lib.Map_args("die", "1"))
 	foot, err := os.ReadFile("web/views/foot.html")
+	// handling error by lib function and exiting if it occures
 	lib.Handle_err(err, lib.Map_args("die", "1"))
 
+	// combining html parts
 	template := "" + string(head) + string(page) + string(foot)
-	fmt.Println(err)
 
 	return template
 }
 
-func templating(file string, tag string, variable string) string {
-	content, err := os.ReadFile("web/views/" + file + ".html")
-	lib.Handle_err(err, lib.Map_args("die", "1"))
-
-	find_tag := `{{` + tag + `}}`
-
-	template_result := strings.Replace(string(content), find_tag, variable, 1)
-
-	return template_result
-}
-
+// getting template string and replacing templating tags with variables
 func Put_vars_to_template(template string, vars map[string]string) string {
-	for key, value := range vars {
-		fmt.Print(key, value)
-		template = strings.Replace(template, "{{"+key+"}}", value, 1)
+	// run through vars array gettin key as tag to find in template and value as value to replace it with
+	for tag, value := range vars {
+		// find the tag and replace it with value
+		template = strings.Replace(template, "{{"+tag+"}}", value, 1)
 	}
 
 	return template

web/views/part/json_out.html

@@ -1,3 +0,0 @@
-<pre>
-    {{json_code}}
-</pre>

web/views/part/json_out_as_list.html

@@ -0,0 +1,3 @@
+<ul>
+    {{li_from_json_code}}
+</ul>

web/views/tag/li.html

@@ -0,0 +1 @@
+<li class="list-item{{li_id}}">{{content}}</li>

web/web.go

@@ -21,5 +21,5 @@ func Server() {
 // wellcoming main web page
 func main_page(w http.ResponseWriter, req *http.Request) {
 	templ := map[string]string{"welcome_message": "hello world! this is api server with easy web menagment"}
-	fmt.Fprint(w, render.Template_with_page_vars("main", templ))
+	fmt.Fprint(w, render.Put_vars_to_template(render.Template_of_part("main"), templ))
 }