Changing from js to golang

internal/server/category.go

@@ -0,0 +1,34 @@
+package server
+
+import (
+	"net/http"
+	"time"
+
+	"gitlab.com/kbr4/svevijesti/internal/database"
+	"gitlab.com/kbr4/svevijesti/internal/model"
+)
+
+func categoryHandler(wr http.ResponseWriter, r *http.Request) {
+
+	store, err := database.Connect()
+
+	if err != nil {
+		http.Error(wr, err.Error(), http.StatusInternalServerError)
+	}
+
+	articles, err := database.ArticleByCategory(store, time.Now())
+
+	articlesByCategory := make(map[string][]model.DisplayArticle)
+
+	for _, article := range articles {
+		articlesByCategory[article.Category] = append(articlesByCategory[article.Category], article)
+	}
+
+	for category, articles := range articlesByCategory {
+		data := map[string]interface{}{"Category": category, "Articles": articles}
+		err := templates.ExecuteTemplate(wr, "categoryHTML", data)
+		if err != nil {
+			panic(err)
+		}
+	}
+}