Initial commit

2023-05-13 19:20:49 +04:00
commit 7afbff6a12
10 changed files with 235 additions and 0 deletions
--- a/main.go
+++ b/main.go
@@ -0,0 +1,119 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"net/http"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"text/template"
+	"time"
+)
+
+const command = `
+	tell application "Spotify"
+    set ctrack to "{"
+    set ctrack to ctrack & "\"artist\": \"" & current track's artist & "\""
+    set ctrack to ctrack & ",\"album\": \"" & current track's album & "\""
+    set ctrack to ctrack & ",\"discNumber\": " & current track's disc number
+    set ctrack to ctrack & ",\"duration\": " & current track's duration
+    set ctrack to ctrack & ",\"playedCount\": " & current track's played count
+    set ctrack to ctrack & ",\"trackNumber\": " & current track's track number
+    set ctrack to ctrack & ",\"popularity\": " & current track's popularity
+    set ctrack to ctrack & ",\"id\": \"" & current track's id & "\""
+    set ctrack to ctrack & ",\"position\": " & (player position as integer)
+    set ctrack to ctrack & ",\"name\": \"" & current track's name & "\""
+    set ctrack to ctrack & ",\"albumArtist\": \"" & current track's album artist & "\""
+    set ctrack to ctrack & ",\"artworkUrl\": \"" & current track's artwork url & "\""
+    set ctrack to ctrack & ",\"spotifyUrl\": \"" & current track's spotify url & "\""
+    set ctrack to ctrack & "}"
+
+		return ctrack
+	end tell`
+
+type SpotifyCurrentTrack struct {
+	Artist      string `json:"artist"`
+	Album       string `json:"album"`
+	DiscNumber  int    `json:"discNumber"`
+	Duration    int    `json:"duration"`
+	PlayedCount int    `json:"playedCount"`
+	TrackNumber int    `json:"trackNumber"`
+	Popularity  int    `json:"popularity"`
+	ID          string `json:"id"`
+	Name        string `json:"name"`
+	Position    int    `json:"position"`
+	AlbumArtist string `json:"albumArtist"`
+	ArtworkURL  string `json:"artworkUrl"`
+	SpotifyURL  string `json:"spotifyUrl"`
+}
+
+type Response struct {
+	Track   SpotifyCurrentTrack
+	Refresh int64
+	Port    string
+}
+
+func getCurrentTrack() SpotifyCurrentTrack {
+	currentTrack := SpotifyCurrentTrack{}
+
+	cmd := exec.Command("osascript", "-e", command)
+
+	output, err := cmd.CombinedOutput()
+
+	if err != nil {
+		return currentTrack
+	}
+
+	if err := json.Unmarshal(output, &currentTrack); err != nil {
+		return currentTrack
+	}
+
+	return currentTrack
+}
+
+func main() {
+	port := flag.String("port", "5783", "http port")
+	flag.Parse()
+
+	ex, _ := os.Executable()
+	tmpl, err := template.ParseFiles(filepath.Join(ex, "../index.html"))
+
+	if err != nil {
+		panic(err)
+	}
+
+	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		response := Response{
+			Track:   getCurrentTrack(),
+			Refresh: time.Second.Milliseconds(),
+			Port:    *port,
+		}
+
+		refreshQueryParam := req.URL.Query().Get("refresh")
+
+		if refreshQueryParam != "" {
+			if duration, err := time.ParseDuration(refreshQueryParam); err == nil {
+				response.Refresh = duration.Milliseconds()
+			}
+		}
+
+		if err := tmpl.Execute(w, response); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+	})
+
+	http.HandleFunc("/track", func(w http.ResponseWriter, req *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+
+		resp, _ := json.Marshal(getCurrentTrack())
+
+		fmt.Fprint(w, string(resp))
+	})
+
+	fmt.Printf("The server is running on port %s!", *port)
+
+	http.ListenAndServe(fmt.Sprintf(":%s", *port), nil)
+}