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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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"` | ||
| } | ||
|
|
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| 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 | ||
| } | ||
|
|
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| 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) | ||
| } | ||
|
|
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| app.Spotify.Update(track) | ||
| } | ||
|
|
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| 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 | ||
| } | ||
|
|
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| 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 | ||
| } | ||
|
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| 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 | ||
| } |
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