480 lines
13 KiB
Go
480 lines
13 KiB
Go
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package education
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import (
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"context"
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"fmt"
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"sync"
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"time"
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"github.com/google/uuid"
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"go.uber.org/zap"
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)
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// Tutorial représente un tutoriel vidéo
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type Tutorial struct {
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ID string `json:"id"`
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Title string `json:"title"`
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Description string `json:"description"`
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Author string `json:"author"`
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Category string `json:"category"`
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Tags []string `json:"tags"`
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VideoURL string `json:"video_url"`
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Thumbnail string `json:"thumbnail"`
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Duration time.Duration `json:"duration"`
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Quality VideoQuality `json:"quality"`
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Language string `json:"language"`
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IsFree bool `json:"is_free"`
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IsPublished bool `json:"is_published"`
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Views int64 `json:"views"`
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Likes int64 `json:"likes"`
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Dislikes int64 `json:"dislikes"`
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Rating float64 `json:"rating"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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mu sync.RWMutex
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}
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// VideoQuality définit la qualité de la vidéo
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type VideoQuality string
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const (
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VideoQualityHD VideoQuality = "hd"
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VideoQuality4K VideoQuality = "4k"
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VideoQuality8K VideoQuality = "8k"
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)
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// TutorialStep représente une étape dans un tutoriel
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type TutorialStep struct {
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ID string `json:"id"`
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TutorialID string `json:"tutorial_id"`
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Title string `json:"title"`
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Description string `json:"description"`
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Content string `json:"content"`
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Order int `json:"order"`
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Timestamp time.Duration `json:"timestamp"`
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IsFree bool `json:"is_free"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// TutorialComment représente un commentaire sur un tutoriel
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type TutorialComment struct {
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ID string `json:"id"`
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TutorialID string `json:"tutorial_id"`
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UserID string `json:"user_id"`
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Username string `json:"username"`
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Content string `json:"content"`
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Rating int `json:"rating"` // 1-5 étoiles
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IsHelpful bool `json:"is_helpful"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// TutorialManager gère les tutoriels vidéo
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type TutorialManager struct {
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tutorials map[string]*Tutorial
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steps map[string][]*TutorialStep
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comments map[string][]*TutorialComment
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logger *zap.Logger
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mu sync.RWMutex
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}
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// NewTutorialManager crée un nouveau gestionnaire de tutoriels
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func NewTutorialManager(logger *zap.Logger) *TutorialManager {
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return &TutorialManager{
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tutorials: make(map[string]*Tutorial),
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steps: make(map[string][]*TutorialStep),
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comments: make(map[string][]*TutorialComment),
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logger: logger,
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}
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}
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// CreateTutorial crée un nouveau tutoriel
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func (tm *TutorialManager) CreateTutorial(ctx context.Context, title, description, author, category, videoURL, thumbnail, language string, duration time.Duration, quality VideoQuality, isFree bool, tags []string) (*Tutorial, error) {
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tm.mu.Lock()
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defer tm.mu.Unlock()
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tutorialID := uuid.New().String()
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tutorial := &Tutorial{
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ID: tutorialID,
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Title: title,
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Description: description,
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Author: author,
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Category: category,
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Tags: tags,
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VideoURL: videoURL,
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Thumbnail: thumbnail,
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Duration: duration,
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Quality: quality,
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Language: language,
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IsFree: isFree,
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IsPublished: false,
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Views: 0,
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Likes: 0,
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Dislikes: 0,
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Rating: 0.0,
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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}
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tm.tutorials[tutorialID] = tutorial
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tm.logger.Info("Tutoriel créé",
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zap.String("tutorial_id", tutorialID),
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zap.String("title", title),
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zap.String("author", author))
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return tutorial, nil
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}
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// GetTutorial récupère un tutoriel par son ID
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func (tm *TutorialManager) GetTutorial(ctx context.Context, tutorialID string) (*Tutorial, error) {
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tm.mu.RLock()
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defer tm.mu.RUnlock()
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tutorial, exists := tm.tutorials[tutorialID]
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if !exists {
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return nil, fmt.Errorf("tutoriel non trouvé: %s", tutorialID)
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}
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return tutorial, nil
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}
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// ListTutorials liste tous les tutoriels disponibles
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func (tm *TutorialManager) ListTutorials(ctx context.Context, filters map[string]interface{}) ([]*Tutorial, error) {
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tm.mu.RLock()
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defer tm.mu.RUnlock()
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var tutorials []*Tutorial
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for _, tutorial := range tm.tutorials {
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// Appliquer les filtres si fournis
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if filters != nil {
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if category, ok := filters["category"].(string); ok && tutorial.Category != category {
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continue
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}
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if isPublished, ok := filters["is_published"].(bool); ok && tutorial.IsPublished != isPublished {
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continue
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}
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if isFree, ok := filters["is_free"].(bool); ok && tutorial.IsFree != isFree {
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continue
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}
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if language, ok := filters["language"].(string); ok && tutorial.Language != language {
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continue
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}
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if author, ok := filters["author"].(string); ok && tutorial.Author != author {
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continue
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}
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}
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tutorials = append(tutorials, tutorial)
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}
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return tutorials, nil
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}
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// UpdateTutorial met à jour un tutoriel
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func (tm *TutorialManager) UpdateTutorial(ctx context.Context, tutorialID string, updates map[string]interface{}) (*Tutorial, error) {
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tm.mu.Lock()
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defer tm.mu.Unlock()
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tutorial, exists := tm.tutorials[tutorialID]
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if !exists {
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return nil, fmt.Errorf("tutoriel non trouvé: %s", tutorialID)
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}
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// Appliquer les mises à jour
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if title, ok := updates["title"].(string); ok {
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tutorial.Title = title
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}
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if description, ok := updates["description"].(string); ok {
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tutorial.Description = description
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}
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if author, ok := updates["author"].(string); ok {
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tutorial.Author = author
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}
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if category, ok := updates["category"].(string); ok {
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tutorial.Category = category
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}
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if videoURL, ok := updates["video_url"].(string); ok {
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tutorial.VideoURL = videoURL
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}
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if thumbnail, ok := updates["thumbnail"].(string); ok {
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tutorial.Thumbnail = thumbnail
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}
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if duration, ok := updates["duration"].(time.Duration); ok {
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tutorial.Duration = duration
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}
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if quality, ok := updates["quality"].(VideoQuality); ok {
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tutorial.Quality = quality
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}
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if isPublished, ok := updates["is_published"].(bool); ok {
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tutorial.IsPublished = isPublished
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}
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if tags, ok := updates["tags"].([]string); ok {
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tutorial.Tags = tags
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}
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tutorial.UpdatedAt = time.Now()
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tm.logger.Info("Tutoriel mis à jour",
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zap.String("tutorial_id", tutorialID),
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zap.String("title", tutorial.Title))
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return tutorial, nil
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}
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// DeleteTutorial supprime un tutoriel
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func (tm *TutorialManager) DeleteTutorial(ctx context.Context, tutorialID string) error {
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tm.mu.Lock()
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defer tm.mu.Unlock()
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if _, exists := tm.tutorials[tutorialID]; !exists {
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return fmt.Errorf("tutoriel non trouvé: %s", tutorialID)
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}
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delete(tm.tutorials, tutorialID)
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delete(tm.steps, tutorialID)
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delete(tm.comments, tutorialID)
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tm.logger.Info("Tutoriel supprimé",
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zap.String("tutorial_id", tutorialID))
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return nil
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}
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// AddTutorialStep ajoute une étape à un tutoriel
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func (tm *TutorialManager) AddTutorialStep(ctx context.Context, tutorialID, title, description, content string, order int, timestamp time.Duration, isFree bool) (*TutorialStep, error) {
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tm.mu.Lock()
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defer tm.mu.Unlock()
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stepID := uuid.New().String()
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step := &TutorialStep{
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ID: stepID,
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TutorialID: tutorialID,
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Title: title,
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Description: description,
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Content: content,
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Order: order,
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Timestamp: timestamp,
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IsFree: isFree,
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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}
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tm.steps[tutorialID] = append(tm.steps[tutorialID], step)
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tm.logger.Info("Étape de tutoriel ajoutée",
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zap.String("tutorial_id", tutorialID),
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zap.String("step_id", stepID),
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zap.String("title", title))
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return step, nil
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}
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// GetTutorialSteps récupère toutes les étapes d'un tutoriel
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func (tm *TutorialManager) GetTutorialSteps(ctx context.Context, tutorialID string) ([]*TutorialStep, error) {
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tm.mu.RLock()
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defer tm.mu.RUnlock()
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steps, exists := tm.steps[tutorialID]
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if !exists {
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return []*TutorialStep{}, nil
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}
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return steps, nil
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}
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// AddTutorialComment ajoute un commentaire à un tutoriel
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func (tm *TutorialManager) AddTutorialComment(ctx context.Context, tutorialID, userID, username, content string, rating int) (*TutorialComment, error) {
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tm.mu.Lock()
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defer tm.mu.Unlock()
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commentID := uuid.New().String()
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comment := &TutorialComment{
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ID: commentID,
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TutorialID: tutorialID,
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UserID: userID,
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Username: username,
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Content: content,
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Rating: rating,
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IsHelpful: false,
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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}
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tm.comments[tutorialID] = append(tm.comments[tutorialID], comment)
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// Mettre à jour la note moyenne du tutoriel
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tm.updateTutorialRating(tutorialID)
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tm.logger.Info("Commentaire ajouté",
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zap.String("tutorial_id", tutorialID),
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zap.String("comment_id", commentID),
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zap.String("username", username))
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return comment, nil
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}
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// GetTutorialComments récupère tous les commentaires d'un tutoriel
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func (tm *TutorialManager) GetTutorialComments(ctx context.Context, tutorialID string) ([]*TutorialComment, error) {
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tm.mu.RLock()
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defer tm.mu.RUnlock()
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comments, exists := tm.comments[tutorialID]
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if !exists {
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return []*TutorialComment{}, nil
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}
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return comments, nil
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}
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// IncrementViews incrémente le nombre de vues d'un tutoriel
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func (tm *TutorialManager) IncrementViews(ctx context.Context, tutorialID string) error {
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tm.mu.Lock()
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defer tm.mu.Unlock()
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tutorial, exists := tm.tutorials[tutorialID]
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if !exists {
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return fmt.Errorf("tutoriel non trouvé: %s", tutorialID)
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}
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tutorial.Views++
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tutorial.UpdatedAt = time.Now()
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tm.logger.Debug("Vues incrémentées",
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zap.String("tutorial_id", tutorialID),
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zap.Int64("views", tutorial.Views))
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return nil
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}
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// LikeTutorial ajoute un like à un tutoriel
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func (tm *TutorialManager) LikeTutorial(ctx context.Context, tutorialID string) error {
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tm.mu.Lock()
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defer tm.mu.Unlock()
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tutorial, exists := tm.tutorials[tutorialID]
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if !exists {
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return fmt.Errorf("tutoriel non trouvé: %s", tutorialID)
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}
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tutorial.Likes++
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tutorial.UpdatedAt = time.Now()
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tm.logger.Debug("Like ajouté",
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zap.String("tutorial_id", tutorialID),
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zap.Int64("likes", tutorial.Likes))
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return nil
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}
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// DislikeTutorial ajoute un dislike à un tutoriel
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func (tm *TutorialManager) DislikeTutorial(ctx context.Context, tutorialID string) error {
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tm.mu.Lock()
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defer tm.mu.Unlock()
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tutorial, exists := tm.tutorials[tutorialID]
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if !exists {
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return fmt.Errorf("tutoriel non trouvé: %s", tutorialID)
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}
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tutorial.Dislikes++
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tutorial.UpdatedAt = time.Now()
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tm.logger.Debug("Dislike ajouté",
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zap.String("tutorial_id", tutorialID),
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zap.Int64("dislikes", tutorial.Dislikes))
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|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// updateTutorialRating met à jour la note moyenne d'un tutoriel
|
||
|
|
func (tm *TutorialManager) updateTutorialRating(tutorialID string) {
|
||
|
|
comments, exists := tm.comments[tutorialID]
|
||
|
|
if !exists || len(comments) == 0 {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
var totalRating int
|
||
|
|
var ratedComments int
|
||
|
|
|
||
|
|
for _, comment := range comments {
|
||
|
|
if comment.Rating > 0 {
|
||
|
|
totalRating += comment.Rating
|
||
|
|
ratedComments++
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ratedComments > 0 {
|
||
|
|
tutorial, exists := tm.tutorials[tutorialID]
|
||
|
|
if exists {
|
||
|
|
tutorial.Rating = float64(totalRating) / float64(ratedComments)
|
||
|
|
tutorial.UpdatedAt = time.Now()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// SearchTutorials recherche des tutoriels par mots-clés
|
||
|
|
func (tm *TutorialManager) SearchTutorials(ctx context.Context, query string, filters map[string]interface{}) ([]*Tutorial, error) {
|
||
|
|
tm.mu.RLock()
|
||
|
|
defer tm.mu.RUnlock()
|
||
|
|
|
||
|
|
var results []*Tutorial
|
||
|
|
query = fmt.Sprintf("%%%s%%", query) // Recherche LIKE
|
||
|
|
|
||
|
|
for _, tutorial := range tm.tutorials {
|
||
|
|
// Vérifier si le tutoriel correspond à la recherche
|
||
|
|
matches := false
|
||
|
|
if contains(tutorial.Title, query) || contains(tutorial.Description, query) || contains(tutorial.Author, query) {
|
||
|
|
matches = true
|
||
|
|
}
|
||
|
|
|
||
|
|
// Vérifier les tags
|
||
|
|
for _, tag := range tutorial.Tags {
|
||
|
|
if contains(tag, query) {
|
||
|
|
matches = true
|
||
|
|
break
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if !matches {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
// Appliquer les filtres si fournis
|
||
|
|
if filters != nil {
|
||
|
|
if category, ok := filters["category"].(string); ok && tutorial.Category != category {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if isPublished, ok := filters["is_published"].(bool); ok && tutorial.IsPublished != isPublished {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if isFree, ok := filters["is_free"].(bool); ok && tutorial.IsFree != isFree {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
results = append(results, tutorial)
|
||
|
|
}
|
||
|
|
|
||
|
|
return results, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// contains vérifie si une chaîne contient une sous-chaîne (insensible à la casse)
|
||
|
|
func contains(s, substr string) bool {
|
||
|
|
return len(s) >= len(substr) && (s == substr ||
|
||
|
|
(len(s) > len(substr) && (s[:len(substr)] == substr ||
|
||
|
|
s[len(s)-len(substr):] == substr ||
|
||
|
|
containsSubstring(s, substr))))
|
||
|
|
}
|
||
|
|
|
||
|
|
// containsSubstring vérifie si une chaîne contient une sous-chaîne
|
||
|
|
func containsSubstring(s, substr string) bool {
|
||
|
|
for i := 0; i <= len(s)-len(substr); i++ {
|
||
|
|
if s[i:i+len(substr)] == substr {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|