networking and shit

networkingHTTP/cmd/templ/http-tp.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"encoding/json"
+	"html/template"
+	"log"
+	"net/http"
+)
+
+type todo struct {
+	UserID    int    `json:"userId"`
+	ID        int    `json:"id"`
+	Title     string `json:"title"`
+	Completed bool   `json:"completed"`
+}
+
+var form = `
+<h2>Todo #{{.ID}}</h2>
+<div>{{printf "User %d" .UserID}}</div>
+<div>{{printf "%s (status: %t)" .Title .Completed}}</div>
+	`
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	const base = "https://jsonplaceholder.typicode.com/"
+	resp, err := http.Get(base + r.URL.Path[1:])
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusServiceUnavailable)
+		return
+	}
+
+	defer resp.Body.Close()
+
+	var item todo
+
+	if err = json.NewDecoder(resp.Body).Decode(&item); err != nil {
+		http.Error(w, err.Error(), http.StatusServiceUnavailable)
+		return
+	}
+	tmpl, err := template.New("Mine").Parse(form)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	if err := tmpl.Execute(w, item); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+func main() {
+	http.HandleFunc("/", handler)
+	log.Fatal(http.ListenAndServe(":9090", nil))
+}