modified: serv_nginx/api_bb/Makefile

modified:   serv_nginx/api_bb/internal/repository/review_repository.go
change or fix repo getStats function or method

serv_nginx/api_bb/Makefile

@@ -8,5 +8,5 @@ stop_bb:
 build_bb:
 	docker compose build api_bb --no-cache
 
-run_bb: build
+bb: stop_bb build_bb
 	docker compose up api_bb -d

serv_nginx/api_bb/internal/repository/review_repository.go

@@ -3,6 +3,7 @@ package repository
 
 import (
 	"api_bb/internal/models"
+	"database/sql"
 	"math"
 
 	"gorm.io/gorm"
@@ -89,41 +90,46 @@ func (r *reviewRepository) Delete(id uint) error {
 }
 
 func (r *reviewRepository) GetStats() (*models.ReviewsStatsResponse, error) {
-	var stats models.ReviewsStatsResponse
+    var totalReviews int64
+    var averageRating float64
+    var successStories int64
 
-	// Один запрос для всей основной статистики
-	query := `
-        SELECT 
-            COUNT(*) as total_reviews,
-            COALESCE(AVG(rating), 0) as average_rating,
-            COUNT(CASE WHEN rating >= 4 AND achievement != '' THEN 1 END) as success_stories
-        FROM reviews 
-        WHERE deleted_at IS NULL
-    `
+    // Общее количество отзывов
+    if err := r.db.Model(&models.Review{}).Count(&totalReviews).Error; err != nil {
+        return nil, err
+    }
 
-	type StatsResult struct {
-		TotalReviews   int     `gorm:"column:total_reviews"`
-		AverageRating  float64 `gorm:"column:average_rating"`
-		SuccessStories int     `gorm:"column:success_stories"`
-	}
+    // Средний рейтинг - ИСПРАВЛЕННАЯ ЧАСТЬ
+    var nullRating sql.NullFloat64
+    if err := r.db.Model(&models.Review{}).Select("AVG(rating)").Row().Scan(&nullRating); err != nil {
+        return nil, err
+    }
+    
+    if nullRating.Valid {
+        averageRating = nullRating.Float64
+    } else {
+        averageRating = 0
+    }
 
-	var result StatsResult
-	if err := r.db.Raw(query).Scan(&result).Error; err != nil {
-		return nil, err
-	}
+    // Количество успешных историй (отзывы с рейтингом >= 4 и достижениями)
+    if err := r.db.Model(&models.Review{}).
+        Where("rating >= ? AND achievement != ?", 4, "").
+        Count(&successStories).Error; err != nil {
+        return nil, err
+    }
 
-	stats.TotalReviews = result.TotalReviews
-	stats.AverageRating = math.Round(result.AverageRating*100) / 100 // Округляем до 2 знаков
-	stats.SuccessStories = result.SuccessStories
+    // Распределение по рейтингам
+    ratingDistribution, err := r.GetRatingDistribution()
+    if err != nil {
+        return nil, err
+    }
 
-	// Распределение по рейтингам (оставляем ваш существующий метод)
-	ratingDistribution, err := r.GetRatingDistribution()
-	if err != nil {
-		return nil, err
-	}
-	stats.RatingDistribution = ratingDistribution
-
-	return &stats, nil
+    return &models.ReviewsStatsResponse{
+        TotalReviews:       int(totalReviews),
+        AverageRating:      math.Round(averageRating*100) / 100, // Округляем до 2 знаков
+        SuccessStories:     int(successStories),
+        RatingDistribution: ratingDistribution,
+    }, nil
 }
 
 func (r *reviewRepository) GetRatingDistribution() (map[int]int, error) {