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88 lines
3.5 KiB
88 lines
3.5 KiB
import {getClient} from "../utils/database.js";
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export async function getRecommendations(req, res) {
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const token = req.headers.authorization?.split(' ')[1];
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if (!token) {
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// GET MOST USED TOKEN
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let client = await getClient();
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let queryMostUsedToken = `SELECT id, name FROM tags ORDER BY usage_count DESC LIMIT 3;`;
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let result = await client.query(queryMostUsedToken);
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const recommendations = result.rows;
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res.status(200).json(recommendations);
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} else {
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// Recuperer les 20 derniere vu de l'historique
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let client = await getClient();
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let queryLastVideos = `SELECT video_id FROM history WHERE user_id = $1 ORDER BY viewed_at DESC LIMIT 20;`;
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// TODO: Implement retrieval of recommendations based on user history and interactions
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// Recuperer les likes de l'utilisateur sur les 20 derniere videos recuperees
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// Recuperer les commentaires de l'utilisateur sur les 20 derniere videos recuperees
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// Recuperer les 3 tags avec lesquels l'utilisateur a le plus interagi
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// Recuperer 10 videos avec les 3 tags ayant le plus d'interaction avec l'utilisateur
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res.status(200).json({
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message: "Recommendations based on user history and interactions are not yet implemented."
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});
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}
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}
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export async function getTrendingVideos(req, res) {
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try {
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// GET 10 VIDEOS WITH THE MOST LIKES AND COMMENTS
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let client = await getClient();
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let queryTrendingVideos = `
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SELECT v.id, v.title, v.description, v.release_date, v.thumbnail,
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COUNT(DISTINCT l.id) AS like_count, COUNT(DISTINCT c.id) AS comment_count
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FROM videos v
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LEFT JOIN likes l ON v.id = l.video
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LEFT JOIN comments c ON v.id = c.video
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GROUP BY v.id
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ORDER BY like_count DESC, comment_count DESC
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LIMIT 10;
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`;
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let result = await client.query(queryTrendingVideos);
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const trendingVideos = result.rows;
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for (let video of trendingVideos) {
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// Get the number of views for each video
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let viewsQuery = `SELECT COUNT(*) AS view_count FROM history WHERE video = $1;`;
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let viewsResult = await client.query(viewsQuery, [video.id]);
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video.views = viewsResult.rows[0].view_count;
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// Get the creator of each video
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let creatorQuery = `SELECT c.id, c.name FROM channels c JOIN videos v ON c.id = v.channel WHERE v.id = $1;`;
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let creatorResult = await client.query(creatorQuery, [video.id]);
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if (creatorResult.rows.length > 0) {
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video.creator = creatorResult.rows[0];
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} else {
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video.creator = {id: null, name: "Unknown"};
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}
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// GET THE PROFILE PICTURE OF THE CREATOR
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let profilePictureQuery = `SELECT u.picture FROM users u JOIN channels c ON u.id = c.owner WHERE c.id = $1;`;
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let profilePictureResult = await client.query(profilePictureQuery, [video.creator.id]);
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if (profilePictureResult.rows.length > 0) {
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video.creator.profilePicture = profilePictureResult.rows[0].picture;
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} else {
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video.creator.profilePicture = null; // Default or placeholder image can be set here
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}
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}
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res.status(200).json(trendingVideos);
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} catch (error) {
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console.error("Error fetching trending videos:", error);
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res.status(500).json({error: "Internal server error while fetching trending videos."});
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}
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}
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