veza/veza-backend-api/internal/repositories/playlist_repository.go
senke ac182d9f35
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feat(v0.10.4): Playlists collaboratives - F136, F140, F141, F143, F145
Backend:
- F141: GET /discover/playlists/editorial for editorial playlists
- F143: GET /playlists/shared/:token (public, no auth)
- F145: POST /playlists/import (JSON), GET /playlists/:id/export/m3u
- F136: GET /playlists/favoris (creates Favoris playlist if needed)
- Repo: GetFavorisByUserID, service GetOrCreateFavorisPlaylist

Frontend:
- SharedPlaylistPage at /playlists/shared/:token (public route)
- Editorial playlists section in DiscoverPage
- Export M3U in ExportPlaylistButton dropdown
- Import JSON via ImportPlaylistButton (PlaylistListPage)
- Favoris sidebar link, FavorisRedirectPage, AddToFavorisButton on tracks

Roadmap: v0.10.4 marked DONE
2026-03-09 16:49:05 +01:00

251 lines
8.3 KiB
Go

package repositories
import (
"context"
"veza-backend-api/internal/models"
"github.com/google/uuid"
"gorm.io/gorm"
)
// PlaylistRepository définit l'interface pour les opérations sur les playlists
type PlaylistRepository interface {
// Create crée une nouvelle playlist
Create(ctx context.Context, playlist *models.Playlist) error
// GetByID récupère une playlist par son ID
GetByID(ctx context.Context, id uuid.UUID) (*models.Playlist, error)
// GetByUserID récupère les playlists d'un utilisateur
GetByUserID(ctx context.Context, userID uuid.UUID, limit, offset int) ([]*models.Playlist, int64, error)
// Update met à jour une playlist
Update(ctx context.Context, playlist *models.Playlist) error
// Delete supprime une playlist
Delete(ctx context.Context, id uuid.UUID) error
// List récupère une liste de playlists avec pagination
List(ctx context.Context, filterUserID *uuid.UUID, viewerID *uuid.UUID, isPublic *bool, limit, offset int) ([]*models.Playlist, int64, error)
// Exists vérifie si une playlist existe
Exists(ctx context.Context, id uuid.UUID) (bool, error)
// GetByIDWithTracks récupère une playlist avec ses tracks
// T0501: Create Playlist Performance Optimization
GetByIDWithTracks(ctx context.Context, id uuid.UUID) (*models.Playlist, error)
// Search recherche des playlists selon des critères
// T0496: Create Playlist Search Backend
Search(ctx context.Context, query string, filterUserID *uuid.UUID, isPublic *bool, limit, offset int) ([]*models.Playlist, int64, error)
// GetFavorisByUserID returns the user's Favoris playlist (is_default_favorites=true). v0.10.4 F136
GetFavorisByUserID(ctx context.Context, userID uuid.UUID) (*models.Playlist, error)
}
// playlistRepository implémente PlaylistRepository avec GORM
type playlistRepository struct {
db *gorm.DB
}
// NewPlaylistRepository crée une nouvelle instance de PlaylistRepository
func NewPlaylistRepository(db *gorm.DB) PlaylistRepository {
return &playlistRepository{
db: db,
}
}
// Create crée une nouvelle playlist
func (r *playlistRepository) Create(ctx context.Context, playlist *models.Playlist) error {
return r.db.WithContext(ctx).Create(playlist).Error
}
// GetByID récupère une playlist par son ID
// T0501: Optimisé avec lazy loading des tracks
func (r *playlistRepository) GetByID(ctx context.Context, id uuid.UUID) (*models.Playlist, error) {
var playlist models.Playlist
// T0501: Ne pas charger les tracks par défaut (lazy loading)
// Les tracks seront chargés à la demande via GetTracks si nécessaire
if err := r.db.WithContext(ctx).
Preload("User").
First(&playlist, "id = ?", id).Error; err != nil {
return nil, err
}
return &playlist, nil
}
// GetByIDWithTracks récupère une playlist avec ses tracks (pour les cas où on en a besoin)
// T0501: Méthode séparée pour charger les tracks à la demande
func (r *playlistRepository) GetByIDWithTracks(ctx context.Context, id uuid.UUID) (*models.Playlist, error) {
var playlist models.Playlist
if err := r.db.WithContext(ctx).
Preload("User").
Preload("Tracks").
Preload("Tracks.Track").
First(&playlist, "id = ?", id).Error; err != nil {
return nil, err
}
return &playlist, nil
}
// GetByUserID récupère les playlists d'un utilisateur
// MIGRATION UUID: userID migré vers uuid.UUID
func (r *playlistRepository) GetByUserID(ctx context.Context, userID uuid.UUID, limit, offset int) ([]*models.Playlist, int64, error) {
var playlists []*models.Playlist
var total int64
query := r.db.WithContext(ctx).Model(&models.Playlist{}).Where("user_id = ?", userID)
if err := query.Count(&total).Error; err != nil {
return nil, 0, err
}
if err := query.Preload("User").
Order("created_at DESC").
Offset(offset).
Limit(limit).
Find(&playlists).Error; err != nil {
return nil, 0, err
}
return playlists, total, nil
}
// Update met à jour une playlist
func (r *playlistRepository) Update(ctx context.Context, playlist *models.Playlist) error {
return r.db.WithContext(ctx).Save(playlist).Error
}
// Delete supprime une playlist (soft delete)
// BE-DB-003: Add soft delete support to all models
func (r *playlistRepository) Delete(ctx context.Context, id uuid.UUID) error {
return r.db.WithContext(ctx).Delete(&models.Playlist{}, "id = ?", id).Error
}
// Restore restaure une playlist supprimée (soft delete)
// BE-DB-003: Add soft delete support to all models
func (r *playlistRepository) Restore(ctx context.Context, id uuid.UUID) error {
return r.db.WithContext(ctx).Unscoped().Model(&models.Playlist{}).Where("id = ?", id).Update("deleted_at", nil).Error
}
// HardDelete supprime définitivement une playlist (hard delete)
// BE-DB-003: Add soft delete support to all models
func (r *playlistRepository) HardDelete(ctx context.Context, id uuid.UUID) error {
return r.db.WithContext(ctx).Unscoped().Delete(&models.Playlist{}, "id = ?", id).Error
}
// List récupère une liste de playlists avec pagination
// MIGRATION UUID: filterUserID migré vers *uuid.UUID
// MOD: Added viewerID to support mixed visibility (Public OR Owned) in SQL
func (r *playlistRepository) List(ctx context.Context, filterUserID *uuid.UUID, viewerID *uuid.UUID, isPublic *bool, limit, offset int) ([]*models.Playlist, int64, error) {
var playlists []*models.Playlist
var total int64
query := r.db.WithContext(ctx).Model(&models.Playlist{})
// Filtrage intelligent
if filterUserID != nil {
// Cas 1: Profil utilisateur spécifique
// ... (rest of filtering)
query = query.Where("user_id = ?", *filterUserID)
if isPublic != nil {
query = query.Where("is_public = ?", *isPublic)
} else if viewerID != nil && *viewerID == *filterUserID {
// Le propriétaire voit tout (is_public ignoré)
} else {
// Visiteur voit seulement public
query = query.Where("is_public = ?", true)
}
} else {
// Cas 2: Liste globale / Feed
if isPublic != nil {
// Filtre strict (ex: seulement publiques)
query = query.Where("is_public = ?", *isPublic)
} else if viewerID != nil {
// Mixte : Publiques OU Mes playlists
query = query.Where("is_public = ? OR user_id = ?", true, *viewerID)
} else {
// Anonyme : Seulement publiques
query = query.Where("is_public = ?", true)
}
}
if err := query.Count(&total).Error; err != nil {
return nil, 0, err
}
if err := query.Preload("User").
Order("created_at DESC").
Offset(offset).
Limit(limit).
Find(&playlists).Error; err != nil {
return nil, 0, err
}
return playlists, total, nil
}
// Exists vérifie si une playlist existe
func (r *playlistRepository) Exists(ctx context.Context, id uuid.UUID) (bool, error) {
var count int64
err := r.db.WithContext(ctx).Model(&models.Playlist{}).Where("id = ?", id).Count(&count).Error
return count > 0, err
}
// Search recherche des playlists selon des critères
// T0496: Create Playlist Search Backend
// MIGRATION UUID: filterUserID migré vers *uuid.UUID
func (r *playlistRepository) Search(ctx context.Context, query string, filterUserID *uuid.UUID, isPublic *bool, limit, offset int) ([]*models.Playlist, int64, error) {
var playlists []*models.Playlist
var total int64
dbQuery := r.db.WithContext(ctx).Model(&models.Playlist{})
// Recherche par titre ou description
if query != "" {
searchPattern := "%" + query + "%"
// Title field is mapped to 'name' column in database
dbQuery = dbQuery.Where("(name LIKE ? OR description LIKE ?)", searchPattern, searchPattern)
}
// Filtrer par utilisateur
if filterUserID != nil {
dbQuery = dbQuery.Where("user_id = ?", *filterUserID)
}
// Filtrer par statut public/privé
if isPublic != nil {
dbQuery = dbQuery.Where("is_public = ?", *isPublic)
}
// Compter le total
if err := dbQuery.Count(&total).Error; err != nil {
return nil, 0, err
}
// Récupérer les playlists avec pagination
if err := dbQuery.
Preload("User").
Order("created_at DESC").
Offset(offset).
Limit(limit).
Find(&playlists).Error; err != nil {
return nil, 0, err
}
return playlists, total, nil
}
// GetFavorisByUserID returns the user's Favoris playlist (is_default_favorites=true). v0.10.4 F136
func (r *playlistRepository) GetFavorisByUserID(ctx context.Context, userID uuid.UUID) (*models.Playlist, error) {
var playlist models.Playlist
if err := r.db.WithContext(ctx).
Where("user_id = ? AND is_default_favorites = ?", userID, true).
First(&playlist).Error; err != nil {
return nil, err
}
return &playlist, nil
}