feat: update current song playing

api/cammie.go

@@ -9,15 +9,15 @@ import (
 	gin "github.com/gin-gonic/gin"
 )
 
-// message struct
-type message struct {
+// messageCammie struct
+type messageCammie struct {
 	Message string `form:"message" json:"message" xml:"message" binding:"required"`
 }
 
-// header struct
-type header struct {
+// headerCammie struct
+type headerCammie struct {
 	Name string `header:"X-Username"`
-	Ip   string `header:"X-Real-IP"`
+	IP   string `header:"X-Real-IP"`
 }
 
 var messages uint64 = 0
@@ -31,8 +31,8 @@ func getMessage(app *screen.ScreenApp, c *gin.Context) {
 
 func postMessage(app *screen.ScreenApp, c *gin.Context) {
 	// Get structs
-	header := &header{}
-	message := &message{}
+	header := &headerCammie{}
+	message := &messageCammie{}
 
 	// Check Header
 	if err := c.ShouldBindHeader(header); err != nil {
@@ -60,12 +60,12 @@ func postMessage(app *screen.ScreenApp, c *gin.Context) {
 			return
 		}
 		newMessage = fmt.Sprintf("[%s[] %s", header.Name, message.Message)
-	} else if header.Ip != "" {
-		if slices.Contains(blockedIps, header.Ip) {
+	} else if header.IP != "" {
+		if slices.Contains(blockedIps, header.IP) {
 			c.JSON(http.StatusOK, gin.H{"message": "Message received"})
 			return
 		}
-		newMessage = fmt.Sprintf("<%s> %s", header.Ip, message.Message)
+		newMessage = fmt.Sprintf("<%s> %s", header.IP, message.Message)
 	} else {
 		newMessage = message.Message
 	}

api/spotify.go

@@ -1,17 +1,128 @@
 package api
 
 import (
-	"github.com/gin-gonic/gin"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"os"
 	"scc/screen"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
 )
 
+type spotifyMessage struct {
+	TrackID string `json:"track_id"`
+}
+
+type spotifyTokenResponse struct {
+	AccessToken string `json:"access_token"`
+	TokenType   string `json:"token_type"`
+	ExpiresIn   int64  `json:"expires_in"`
+}
+
+type spotifyArtist struct {
+	Name string `json:"name"`
+}
+
+type spotifyTrackResponse struct {
+	Name    string          `json:"name"`
+	Artists []spotifyArtist `json:"artists"`
+}
+
+var accessToken = ""
+var expiresOn int64 = 0
+var clientID = "d385173507a54bca93cc3327c0c2f5d9"
+var clientSecret = "8e78977c1ba54b90b17f9dcd6b301c37"
+
 func spotifyHandlerWrapper(app *screen.ScreenApp) func(*gin.Context) {
 	return func(ctx *gin.Context) {
 		spotifyHandler(app, ctx)
 	}
 }
 
 func spotifyHandler(app *screen.ScreenApp, ctx *gin.Context) {
-	b, _ := ctx.GetRawData()
-	app.Spotify.Update(string(b))
+	message := &spotifyMessage{}
+
+	if err := ctx.ShouldBindJSON(message); err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{"track_id": "Track ID received"})
+
+	if expiresOn < time.Now().Unix() {
+		if err := setAccessToken(); err != nil {
+			fmt.Fprintf(os.Stderr, "Error: Unable to refresh spotify token: %s", err)
+		}
+	}
+
+	track, err := getTrackTitle(message.TrackID)
+
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error: Unable to get track information: %s", err)
+	}
+
+	app.Spotify.Update(track)
+}
+
+func setAccessToken() error {
+	data := url.Values{}
+	data.Set("grant_type", "client_credentials")
+	data.Set("client_id", clientID)
+	data.Set("client_secret", clientSecret)
+
+	// Send the POST request
+	resp, err := http.PostForm("https://accounts.spotify.com/api/token", data)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	// Check for a successful response
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("error: received non-200 status code %d", resp.StatusCode)
+	}
+
+	message := &spotifyTokenResponse{}
+	if err := json.NewDecoder(resp.Body).Decode(message); err != nil {
+		return err
+	}
+
+	accessToken = message.AccessToken
+	expiresOn = time.Now().Unix() + message.ExpiresIn
+
+	return nil
+}
+
+func getTrackTitle(trackID string) (string, error) {
+	url := fmt.Sprintf("https://api.spotify.com/v1/tracks/%s", trackID)
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return "", err
+	}
+	req.Header.Set("Authorization", "Bearer "+accessToken)
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	trackResponse := &spotifyTrackResponse{}
+	if err := json.NewDecoder(resp.Body).Decode(trackResponse); err != nil {
+		return "", err
+	}
+
+	trackTitle := trackResponse.Name
+	artistsNames := make([]string, len(trackResponse.Artists))
+	for i, artist := range trackResponse.Artists {
+		artistsNames[i] = artist.Name
+	}
+
+	return fmt.Sprintf("%s - %s", trackTitle, strings.Join(artistsNames, ", ")), nil
 }

screen/cammie.go

@@ -12,7 +12,7 @@ import (
 var maxMessages = 20
 
 // Available colors
-var COLORS = [...]tcell.Color{
+var colors = [...]tcell.Color{
 	tcell.ColorViolet,
 	tcell.ColorRed,
 	tcell.ColorIndigo,
@@ -52,21 +52,22 @@ func NewCammie(screenApp *ScreenApp) *Cammie {
 	return &cammie
 }
 
-// One-time setup
+// Run one-time setup
 func (cammie *Cammie) Run() {
 	// Wait for the view to be properly set up
-	time.Sleep(5 * time.Second)
+	time.Sleep(1 * time.Second)
 
 }
 
 // Updates the cammie chat
 // Gets called when a new message is received from the website
 func (cammie *Cammie) Update(message string) {
-	color := COLORS[lastColorIndex].String()
-	lastColorIndex = (lastColorIndex + 1) % len(COLORS)
+	color := colors[lastColorIndex].String()
+	lastColorIndex = (lastColorIndex + 1) % len(colors)
 
-	fmt.Fprintf(cammie.view, "\n[%s]%s", color, message)
-
-	cammie.view.ScrollToEnd()
+	cammie.screenApp.execute(func() {
+		fmt.Fprintf(cammie.view, "\n[%s]%s", color, message)
 
+		cammie.view.ScrollToEnd()
+	})
 }

screen/graph1.go

@@ -4,13 +4,13 @@ import "github.com/rivo/tview"
 
 type Graph1 struct {
 	ScreenApp *ScreenApp
-	view 	*tview.Box
+	view      *tview.Box
 }
 
 func NewGraph1(screenApp *ScreenApp) *Graph1 {
 	graph1 := Graph1{
 		ScreenApp: screenApp,
-		view: tview.NewBox().SetBorder(true).SetTitle("Graph 1"),
+		view:      tview.NewBox().SetBorder(true).SetTitle(" Graph 1 "),
 	}
 
 	return &graph1

screen/spotify.go

@@ -1,11 +1,12 @@
 package screen
 
 import (
-	"github.com/gdamore/tcell/v2"
-	"github.com/rivo/tview"
 	"strings"
 	"sync"
 	"time"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
 )
 
 type Spotify struct {
@@ -43,19 +44,17 @@ func (spotify *Spotify) Run() {
 
 		if w != 0 {
 
-			spotify.mu.Lock()
-
-			if len(spotify.buffer) != w {
-				if len(spotify.text) > w {
-					spotify.text = spotify.text[0 : w-4]
-					spotify.text += "..."
+			spotify.screenApp.execute(func() {
+				if len(spotify.buffer) != w {
+					if len(spotify.text) > w {
+						spotify.text = spotify.text[0 : w-4]
+						spotify.text += "..."
+					}
+					spotify.buffer = spotify.text + strings.Repeat(" ", w-len(spotify.text))
 				}
-				spotify.buffer = spotify.text + strings.Repeat(" ", w-len(spotify.text))
-			}
-
-			spotify.buffer = spotify.buffer[1:] + string(spotify.buffer[0])
 
-			spotify.mu.Unlock()
+				spotify.buffer = spotify.buffer[1:] + string(spotify.buffer[0])
+			})
 
 			spotify.screenApp.app.QueueUpdateDraw(func() {
 				spotify.view.SetText(spotify.buffer)
@@ -66,9 +65,8 @@ func (spotify *Spotify) Run() {
 }
 
 func (spotify *Spotify) Update(text string) {
-	spotify.mu.Lock()
-	defer spotify.mu.Unlock()
-
-	spotify.text = text
-	spotify.buffer = ""
+	spotify.screenApp.execute(func() {
+		spotify.text = text
+		spotify.buffer = ""
+	})
 }