From e1310e211e75d77b37847535e3c72b5983612365 Mon Sep 17 00:00:00 2001
From: "Alexander \"Arav\" Andreev" <me@arav.top>
Date: Thu, 31 Mar 2022 02:55:34 +0400
Subject: [PATCH] Implemented timezone conversion in handlers.

---
 internal/handlers/handlers.go | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/internal/handlers/handlers.go b/internal/handlers/handlers.go
index 6eb917d..60b72e2 100644
--- a/internal/handlers/handlers.go
+++ b/internal/handlers/handlers.go
@@ -11,10 +11,13 @@ import (
 	"html/template"
 	"io/fs"
 	"net/http"
+	"time"
 
 	"github.com/Joker/jade"
 )
 
+const FormatISO8601 = "2006-01-02T15:04:05-0700"
+
 var compiledTemplates map[string]*template.Template
 
 //go:embed web/assets
@@ -65,6 +68,14 @@ func (h *RadioHandlers) Index(w http.ResponseWriter, r *http.Request) {
 		h.logErr.Println("cannot retrieve last songs:", err)
 	}
 
+	if tim, err := time.Parse(time.RFC1123Z, status.ServerStartDate); err == nil {
+		status.ServerStartDate = utils.ToClientTimezone(tim, r).Format(time.RFC1123Z)
+	}
+
+	if tim, err := time.Parse(FormatISO8601, status.ServerStartISO8601); err == nil {
+		status.ServerStartISO8601 = utils.ToClientTimezone(tim, r).Format(FormatISO8601)
+	}
+
 	if err := compiledTemplates["index"].Execute(w, &IndexData{
 		MainSite: utils.MainSite(r.Host),
 		Status:   status,
@@ -75,7 +86,7 @@ func (h *RadioHandlers) Index(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (h *RadioHandlers) Stats(w http.ResponseWriter, _ *http.Request) {
+func (h *RadioHandlers) Stats(w http.ResponseWriter, r *http.Request) {
 	status, err := radio.IcecastGetStatus(h.conf.Icecast.URL)
 	if err != nil {
 		h.logErr.Println("cannot retrieve Icecast status:", err)
@@ -83,11 +94,19 @@ func (h *RadioHandlers) Stats(w http.ResponseWriter, _ *http.Request) {
 		return
 	}
 
+	if tim, err := time.Parse(time.RFC1123Z, status.ServerStartDate); err == nil {
+		status.ServerStartDate = utils.ToClientTimezone(tim, r).Format(time.RFC1123Z)
+	}
+
+	if tim, err := time.Parse(FormatISO8601, status.ServerStartISO8601); err == nil {
+		status.ServerStartISO8601 = utils.ToClientTimezone(tim, r).Format(FormatISO8601)
+	}
+
 	w.Header().Add("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(status)
 }
 
-func (h *RadioHandlers) LastSong(w http.ResponseWriter, _ *http.Request) {
+func (h *RadioHandlers) LastSong(w http.ResponseWriter, r *http.Request) {
 	songs, err := radio.IcecastLastPlayedSongs(1, h.conf.Icecast.Playlist)
 	if err != nil {
 		h.logErr.Println("cannot retrieve last songs:", err)
@@ -98,6 +117,12 @@ func (h *RadioHandlers) LastSong(w http.ResponseWriter, _ *http.Request) {
 		return
 	}
 
+	for _, song := range songs {
+		if tim, err := time.Parse("15:04-0700", song.Time); err == nil {
+			song.Time = utils.ToClientTimezone(tim, r).Format("15:04")
+		}
+	}
+
 	w.Header().Add("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(songs[0])
 }