From e9e5b5fd279ffa46cbcda5317a8fc104687bc6e3 Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sun, 24 Nov 2024 03:21:02 +0100
Subject: [PATCH 1/9] Commits

---
 app.js                            |  4 ++--
 controllers/authController.js     |  4 ++--
 controllers/playlistController.js | 16 ++++++++++++++++
 middleware/authMiddleware.js      | 12 ++++++++++++
 middleware/cors.js                | 10 ++++++++++
 routes/playlistRoutes.js          |  6 ++++--
 services/spotifyService.js        | 18 +++++++++++++++---
 utils/spotifyApi.js               |  6 +++---
 8 files changed, 64 insertions(+), 12 deletions(-)
 create mode 100644 middleware/authMiddleware.js
 create mode 100644 middleware/cors.js

diff --git a/app.js b/app.js
index 6427517..dcd1e7b 100644
--- a/app.js
+++ b/app.js
@@ -2,14 +2,14 @@ const express = require('express');
 const bodyParser = require('body-parser');
 const cookieParser = require('cookie-parser');
 const dotenv = require('dotenv');
-const cors = require('cors');
+const cors = require('./middleware/cors');
 const authRoutes = require('./routes/authRoutes');
 const playlistRoutes = require('./routes/playlistRoutes');
 
 dotenv.config();
 
 const app = express();
-app.use(cors()); 
+app.use(cors);
 app.use(bodyParser.json());
 app.use(cookieParser());
 
diff --git a/controllers/authController.js b/controllers/authController.js
index 2d145ad..52bd0d1 100644
--- a/controllers/authController.js
+++ b/controllers/authController.js
@@ -16,9 +16,9 @@ const callback = async (req, res) => {
         spotifyApi.setRefreshToken(refresh_token);
 
         res.cookie('spotify_access_token', access_token, { httpOnly: true });
-        res.redirect('/playlist/');
+        res.redirect('http://localhost:5173/home');
     } catch (error) {
-        res.status(500).json({ error: error.message });
+        res.redirect('http://localhost:3000/login?error=auth_failed');
     }
 };
 
diff --git a/controllers/playlistController.js b/controllers/playlistController.js
index 6d733fb..e455a1c 100644
--- a/controllers/playlistController.js
+++ b/controllers/playlistController.js
@@ -10,6 +10,21 @@ const getPlaylists = async (req, res) => {
     }
 };
 
+const getPlaylistSongs = async (req, res) => {
+    try {
+        const { playlistId } = req.params;
+        const playlist = await spotifyService.getPlaylist(playlistId);
+        const tracks = await spotifyService.getPlaylistTracks(playlistId);
+        
+        res.json({
+            playlist: playlist,
+            songs: tracks.items.map(item => item.track)
+        });
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+    }
+};
+
 const createPlaylist = async (req, res) => {
     try {
         const { seedTrackId } = req.body;
@@ -23,5 +38,6 @@ const createPlaylist = async (req, res) => {
 
 module.exports = {
     getPlaylists,
+    getPlaylistSongs,
     createPlaylist,
 };
diff --git a/middleware/authMiddleware.js b/middleware/authMiddleware.js
new file mode 100644
index 0000000..ff5880c
--- /dev/null
+++ b/middleware/authMiddleware.js
@@ -0,0 +1,12 @@
+const auth = (req, res, next) => {
+    const token = req.cookies.spotify_access_token;
+    
+    if (!token) {
+      return res.status(401).json({ error: 'Authentication required' });
+    }
+  
+    req.spotifyToken = token;
+    next();
+  };
+  
+  module.exports = auth;
\ No newline at end of file
diff --git a/middleware/cors.js b/middleware/cors.js
new file mode 100644
index 0000000..dfee3f6
--- /dev/null
+++ b/middleware/cors.js
@@ -0,0 +1,10 @@
+const cors = require('cors');
+
+const corsOptions = {
+  origin: 'http://localhost:5173',
+  credentials: true,
+  methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
+  allowedHeaders: ['Content-Type', 'Authorization']
+};
+
+module.exports = cors(corsOptions);
\ No newline at end of file
diff --git a/routes/playlistRoutes.js b/routes/playlistRoutes.js
index b3c436a..feaf67f 100644
--- a/routes/playlistRoutes.js
+++ b/routes/playlistRoutes.js
@@ -1,9 +1,11 @@
 const express = require('express');
 const playlistController = require('../controllers/playlistController');
+const auth = require('../middleware/authMiddleware');
 
 const router = express.Router();
 
-router.get('/', playlistController.getPlaylists);
-router.post('/create', playlistController.createPlaylist);
+router.get('/', auth, playlistController.getPlaylists);
+router.get('/:playlistId', playlistController.getPlaylistSongs);
+router.post('/create', auth, playlistController.createPlaylist);
 
 module.exports = router;
diff --git a/services/spotifyService.js b/services/spotifyService.js
index 175e561..c65383b 100644
--- a/services/spotifyService.js
+++ b/services/spotifyService.js
@@ -9,8 +9,18 @@ const setAccessToken = (accessToken) => {
     spotifyApi.setAccessToken(accessToken);
 };
 
-const getUserPlaylists = async (offset = 0, limit = 20) => {
-    const response = await spotifyApi.getUserPlaylists({ offset, limit });
+const getUserPlaylists = async (offset = 0) => {
+    const response = await spotifyApi.getUserPlaylists({ offset });
+    return response.body;
+};
+
+const getPlaylist = async (playlistId) => {
+    const response = await spotifyApi.getPlaylist(playlistId);
+    return response.body;
+};
+
+const getPlaylistTracks = async (playlistId) => {
+    const response = await spotifyApi.getPlaylistTracks(playlistId);
     return response.body;
 };
 
@@ -41,7 +51,7 @@ const createPlaylistFromSeedTrack = async (userId, seedTrackId) => {
     const recommendations = await getTrackRecommendations(seedTrackId);
     const trackUris = recommendations.map(track => track.uri);
 
-    const playlistName = 'Music for You';
+    const playlistName = 'Groovz';
     const description = `Similar songs to ${seedTrackName}`;
 
     const playlistId = await createPlaylist(userId, playlistName, description, trackUris);
@@ -52,6 +62,8 @@ module.exports = {
     getAuthUrl,
     setAccessToken,
     getUserPlaylists,
+    getPlaylist,
+    getPlaylistTracks,
     getTrackRecommendations,
     createPlaylistFromSeedTrack,
 };
diff --git a/utils/spotifyApi.js b/utils/spotifyApi.js
index 4ac3a5c..50c911a 100644
--- a/utils/spotifyApi.js
+++ b/utils/spotifyApi.js
@@ -1,9 +1,9 @@
 const SpotifyWebApi = require('spotify-web-api-node');
 
 const spotifyApi = new SpotifyWebApi({
-    clientId: process.env.SPOTIFY_CLIENT_ID,
-    clientSecret: process.env.SPOTIFY_CLIENT_SECRET,
-    redirectUri: process.env.SPOTIFY_REDIRECT_URI,
+    clientId: '5e3eef3570b74a37af3438268b820e32',
+    clientSecret: 'ecda63e51490449d9c94b26f9fd9571a',
+    redirectUri: 'http://localhost:4000/auth/callback',
 });
 
 module.exports = spotifyApi;
\ No newline at end of file

From 7a45f40c35ed52bb9deaab5cc7caf4924a3cc8f9 Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sun, 24 Nov 2024 05:33:25 +0100
Subject: [PATCH 2/9] liked songs can now be used

---
 controllers/playlistController.js |  13 +++++
 images/1.jpg                      | Bin 0 -> 9358 bytes
 images/2.jpg                      | Bin 0 -> 8584 bytes
 images/3.jpg                      | Bin 0 -> 8678 bytes
 images/4.jpg                      | Bin 0 -> 8746 bytes
 routes/playlistRoutes.js          |   7 ++-
 services/spotifyService.js        |  82 ++++++++++++++++++++++++++++--
 7 files changed, 97 insertions(+), 5 deletions(-)
 create mode 100644 images/1.jpg
 create mode 100644 images/2.jpg
 create mode 100644 images/3.jpg
 create mode 100644 images/4.jpg

diff --git a/controllers/playlistController.js b/controllers/playlistController.js
index e455a1c..6bae9ac 100644
--- a/controllers/playlistController.js
+++ b/controllers/playlistController.js
@@ -10,6 +10,18 @@ const getPlaylists = async (req, res) => {
     }
 };
 
+const getLikedSongs = async (req, res) => {
+    try {
+        const likedSongs = await spotifyService.getLikedSongs();
+        res.json(likedSongs);
+    } catch (error) {
+        console.error('Error in getLikedSongs controller:', error);
+        res.status(error.statusCode || 500).json({
+            error: error.message || 'An error occurred while fetching liked songs'
+        });
+    }
+};
+
 const getPlaylistSongs = async (req, res) => {
     try {
         const { playlistId } = req.params;
@@ -38,6 +50,7 @@ const createPlaylist = async (req, res) => {
 
 module.exports = {
     getPlaylists,
+    getLikedSongs,
     getPlaylistSongs,
     createPlaylist,
 };
diff --git a/images/1.jpg b/images/1.jpg
new file mode 100644
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literal 0
HcmV?d00001

diff --git a/routes/playlistRoutes.js b/routes/playlistRoutes.js
index feaf67f..e0fc5f3 100644
--- a/routes/playlistRoutes.js
+++ b/routes/playlistRoutes.js
@@ -1,11 +1,16 @@
 const express = require('express');
+const spotifyApi = require('../utils/spotifyApi');
 const playlistController = require('../controllers/playlistController');
 const auth = require('../middleware/authMiddleware');
 
 const router = express.Router();
 
-router.get('/', auth, playlistController.getPlaylists);
+router.get('/liked-songs', playlistController.getLikedSongs); 
+router.get('/', playlistController.getPlaylists);
 router.get('/:playlistId', playlistController.getPlaylistSongs);
 router.post('/create', auth, playlistController.createPlaylist);
 
+
+
+
 module.exports = router;
diff --git a/services/spotifyService.js b/services/spotifyService.js
index c65383b..4075d7d 100644
--- a/services/spotifyService.js
+++ b/services/spotifyService.js
@@ -1,5 +1,21 @@
 const spotifyApi = require('../utils/spotifyApi');
 
+const path = require('path');
+const playlistImages = [
+    path.join(__dirname, '../images/1.jpg'),
+    path.join(__dirname, '../images/2.jpg'),
+    path.join(__dirname, '../images/3.jpg'),
+    path.join(__dirname, '../images/4.jpg')
+];
+
+
+const convertImageToBase64 = async (imagePath) => {
+    const fs = require('fs').promises;
+    const buffer = await fs.readFile(imagePath);
+    return buffer.toString('base64');
+};
+
+
 const getAuthUrl = () => {
     const scopes = ['user-library-read', 'playlist-modify-private', 'playlist-modify-public'];
     return spotifyApi.createAuthorizeURL(scopes, 'state-key');
@@ -10,10 +26,33 @@ const setAccessToken = (accessToken) => {
 };
 
 const getUserPlaylists = async (offset = 0) => {
-    const response = await spotifyApi.getUserPlaylists({ offset });
-    return response.body;
+    const playlistResponse = await spotifyApi.getUserPlaylists({ offset });
+    
+    const likedSongsResponse = await spotifyApi.getMySavedTracks();
+    
+    return {
+        playlists: playlistResponse.body,
+        likedSongs: likedSongsResponse.body
+    };
 };
 
+const getLikedSongs = async () => {
+    try {
+        const response = await spotifyApi.getMySavedTracks({
+            limit: 50,
+            offset: 0  
+        });
+        return response.body;
+    } catch (error) {
+        console.error('Error fetching liked songs:', error);
+        if (error.statusCode) {
+            throw new Error(`Spotify API error: ${error.statusCode} - ${error.message}`);
+        }
+        throw error;
+    }
+};
+
+
 const getPlaylist = async (playlistId) => {
     const response = await spotifyApi.getPlaylist(playlistId);
     return response.body;
@@ -25,11 +64,39 @@ const getPlaylistTracks = async (playlistId) => {
 };
 
 const getTrackRecommendations = async (seedTrackId) => {
+    const seedTrackFeatures = await spotifyApi.getAudioFeaturesForTrack(seedTrackId);
+    
     const response = await spotifyApi.getRecommendations({
         seed_tracks: [seedTrackId],
-        limit: 10,
+        limit: 100,
+        target_instrumentalness: seedTrackFeatures.body.instrumentalness,
+        target_acousticness: seedTrackFeatures.body.acousticness,
+        min_instrumentalness: Math.max(0, seedTrackFeatures.body.instrumentalness - 0.2),
+        max_instrumentalness: Math.min(1, seedTrackFeatures.body.instrumentalness + 0.2),
+        target_key: seedTrackFeatures.body.key,
+        target_mode: seedTrackFeatures.body.mode,
+        target_time_signature: seedTrackFeatures.body.time_signature,
+        min_popularity: 20, 
     });
-    return response.body.tracks;
+
+    const tracks = response.body.tracks;
+    let totalDurationMs = 0;
+    const TARGET_DURATION_MS = 60 * 60 * 1000;
+    const MARGIN_MS = 2 * 60 * 1000;
+    const selectedTracks = [];
+
+    for (const track of tracks) {
+        if (totalDurationMs + track.duration_ms <= TARGET_DURATION_MS + MARGIN_MS) {
+            selectedTracks.push(track);
+            totalDurationMs += track.duration_ms;
+        }
+        
+        if (totalDurationMs >= TARGET_DURATION_MS - MARGIN_MS) {
+            break;
+        }
+    }
+
+    return selectedTracks;
 };
 
 const createPlaylist = async (userId, name, description, trackUris) => {
@@ -41,6 +108,12 @@ const createPlaylist = async (userId, name, description, trackUris) => {
     const playlistId = playlistResponse.body.id;
     await spotifyApi.addTracksToPlaylist(playlistId, trackUris);
 
+    const randomImageIndex = Math.floor(Math.random() * playlistImages.length);
+    const imagePath = playlistImages[randomImageIndex];
+    
+    const imageData = await convertImageToBase64(imagePath);
+    await spotifyApi.uploadCustomPlaylistCoverImage(playlistId, imageData);
+
     return playlistId;
 };
 
@@ -62,6 +135,7 @@ module.exports = {
     getAuthUrl,
     setAccessToken,
     getUserPlaylists,
+    getLikedSongs,
     getPlaylist,
     getPlaylistTracks,
     getTrackRecommendations,

From 5c5acec047494a6e4a2916fe35681043b65b38d7 Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sat, 30 Nov 2024 01:15:27 +0100
Subject: [PATCH 3/9] commits

---
 controllers/authController.js     | 3 +++
 controllers/playlistController.js | 7 +++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/controllers/authController.js b/controllers/authController.js
index 52bd0d1..51c5fc5 100644
--- a/controllers/authController.js
+++ b/controllers/authController.js
@@ -12,6 +12,9 @@ const callback = async (req, res) => {
         const data = await spotifyApi.authorizationCodeGrant(code);
         const { access_token, refresh_token } = data.body;
 
+        console.log('Granted Scopes:', data.body.scope);
+
+
         spotifyApi.setAccessToken(access_token);
         spotifyApi.setRefreshToken(refresh_token);
 
diff --git a/controllers/playlistController.js b/controllers/playlistController.js
index 6bae9ac..692bb08 100644
--- a/controllers/playlistController.js
+++ b/controllers/playlistController.js
@@ -39,15 +39,18 @@ const getPlaylistSongs = async (req, res) => {
 
 const createPlaylist = async (req, res) => {
     try {
+        console.log('Create playlist request body:', req.body);
+        console.log('User ID:', req.query.userId);
         const { seedTrackId } = req.body;
-        const userId = req.query.userId;
-        const playlistId = await spotifyService.createPlaylistFromSeedTrack(userId, seedTrackId);
+        const playlistId = await spotifyService.createPlaylistFromSeedTrack(req.query.userId, seedTrackId);
         res.json({ message: 'Playlist created successfully', playlistId });
     } catch (error) {
+        console.log('Error in createPlaylist:', error);
         res.status(500).json({ error: error.message });
     }
 };
 
+
 module.exports = {
     getPlaylists,
     getLikedSongs,

From a8bb00eae971111a689b340e64af71c52e3c763e Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sat, 30 Nov 2024 01:15:38 +0100
Subject: [PATCH 4/9] urls

---
 controllers/authController.js | 4 ++--
 middleware/cors.js            | 2 +-
 utils/spotifyApi.js           | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/controllers/authController.js b/controllers/authController.js
index 51c5fc5..f7aa339 100644
--- a/controllers/authController.js
+++ b/controllers/authController.js
@@ -19,9 +19,9 @@ const callback = async (req, res) => {
         spotifyApi.setRefreshToken(refresh_token);
 
         res.cookie('spotify_access_token', access_token, { httpOnly: true });
-        res.redirect('http://localhost:5173/home');
+        res.redirect('https://main.d1n7z7zw3v28b1.amplifyapp.com//home');
     } catch (error) {
-        res.redirect('http://localhost:3000/login?error=auth_failed');
+        res.redirect('https://main.d1n7z7zw3v28b1.amplifyapp.com//login?error=auth_failed');
     }
 };
 
diff --git a/middleware/cors.js b/middleware/cors.js
index dfee3f6..0bafd09 100644
--- a/middleware/cors.js
+++ b/middleware/cors.js
@@ -1,7 +1,7 @@
 const cors = require('cors');
 
 const corsOptions = {
-  origin: 'http://localhost:5173',
+  origin: 'http://localhost:5173' || 'https://main.d1n7z7zw3v28b1.amplifyapp.com/',
   credentials: true,
   methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
   allowedHeaders: ['Content-Type', 'Authorization']
diff --git a/utils/spotifyApi.js b/utils/spotifyApi.js
index 50c911a..81542b7 100644
--- a/utils/spotifyApi.js
+++ b/utils/spotifyApi.js
@@ -3,7 +3,7 @@ const SpotifyWebApi = require('spotify-web-api-node');
 const spotifyApi = new SpotifyWebApi({
     clientId: '5e3eef3570b74a37af3438268b820e32',
     clientSecret: 'ecda63e51490449d9c94b26f9fd9571a',
-    redirectUri: 'http://localhost:4000/auth/callback',
+    redirectUri: 'https://groovz-backend-js.onrender.com/auth/callback',
 });
 
 module.exports = spotifyApi;
\ No newline at end of file

From feca88b0538ad5621bc471ec6d412799012aa4c0 Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sat, 30 Nov 2024 01:24:27 +0100
Subject: [PATCH 5/9] hmm

---
 utils/spotifyApi.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/spotifyApi.js b/utils/spotifyApi.js
index 81542b7..50c911a 100644
--- a/utils/spotifyApi.js
+++ b/utils/spotifyApi.js
@@ -3,7 +3,7 @@ const SpotifyWebApi = require('spotify-web-api-node');
 const spotifyApi = new SpotifyWebApi({
     clientId: '5e3eef3570b74a37af3438268b820e32',
     clientSecret: 'ecda63e51490449d9c94b26f9fd9571a',
-    redirectUri: 'https://groovz-backend-js.onrender.com/auth/callback',
+    redirectUri: 'http://localhost:4000/auth/callback',
 });
 
 module.exports = spotifyApi;
\ No newline at end of file

From 77ac9cbcba3284942c0458c1ceb787926feaf491 Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sat, 30 Nov 2024 01:24:36 +0100
Subject: [PATCH 6/9] commits

---
 utils/spotifyApi.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/spotifyApi.js b/utils/spotifyApi.js
index 50c911a..81542b7 100644
--- a/utils/spotifyApi.js
+++ b/utils/spotifyApi.js
@@ -3,7 +3,7 @@ const SpotifyWebApi = require('spotify-web-api-node');
 const spotifyApi = new SpotifyWebApi({
     clientId: '5e3eef3570b74a37af3438268b820e32',
     clientSecret: 'ecda63e51490449d9c94b26f9fd9571a',
-    redirectUri: 'http://localhost:4000/auth/callback',
+    redirectUri: 'https://groovz-backend-js.onrender.com/auth/callback',
 });
 
 module.exports = spotifyApi;
\ No newline at end of file

From 99510ff31ae54a441e29988754c340ebc2627f46 Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sat, 30 Nov 2024 02:08:47 +0100
Subject: [PATCH 7/9] commit

---
 controllers/authController.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/controllers/authController.js b/controllers/authController.js
index f7aa339..a727bb5 100644
--- a/controllers/authController.js
+++ b/controllers/authController.js
@@ -19,9 +19,9 @@ const callback = async (req, res) => {
         spotifyApi.setRefreshToken(refresh_token);
 
         res.cookie('spotify_access_token', access_token, { httpOnly: true });
-        res.redirect('https://main.d1n7z7zw3v28b1.amplifyapp.com//home');
+        res.redirect('https://main.d1n7z7zw3v28b1.amplifyapp.com/home');
     } catch (error) {
-        res.redirect('https://main.d1n7z7zw3v28b1.amplifyapp.com//login?error=auth_failed');
+        res.redirect('https://main.d1n7z7zw3v28b1.amplifyapp.com/login?error=auth_failed');
     }
 };
 

From 96fe49d3accbc4416d10bb54dc4f5fbbd3fc468f Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sat, 30 Nov 2024 02:12:14 +0100
Subject: [PATCH 8/9] cors

---
 middleware/cors.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/middleware/cors.js b/middleware/cors.js
index 0bafd09..0faaa91 100644
--- a/middleware/cors.js
+++ b/middleware/cors.js
@@ -1,7 +1,7 @@
 const cors = require('cors');
 
 const corsOptions = {
-  origin: 'http://localhost:5173' || 'https://main.d1n7z7zw3v28b1.amplifyapp.com/',
+  origin: ['http://localhost:5173', 'https://main.d1n7z7zw3v28b1.amplifyapp.com/'],
   credentials: true,
   methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
   allowedHeaders: ['Content-Type', 'Authorization']

From 35bf4f8349bd8997c09772e9ed72afb4bcf6d9ac Mon Sep 17 00:00:00 2001
From: Victor <ubahakweemeka@gmail.com>
Date: Sat, 30 Nov 2024 02:14:30 +0100
Subject: [PATCH 9/9] .

---
 middleware/cors.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/middleware/cors.js b/middleware/cors.js
index 0faaa91..681b690 100644
--- a/middleware/cors.js
+++ b/middleware/cors.js
@@ -1,7 +1,7 @@
 const cors = require('cors');
 
 const corsOptions = {
-  origin: ['http://localhost:5173', 'https://main.d1n7z7zw3v28b1.amplifyapp.com/'],
+  origin: ['http://localhost:5173', 'https://main.d1n7z7zw3v28b1.amplifyapp.com'],
   credentials: true,
   methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
   allowedHeaders: ['Content-Type', 'Authorization']