narasiahli-be/app/module/ebooks/repository/ebook_ratings.repository.go

244 lines
7.2 KiB
Go

package repository
import (
"narasi-ahli-be/app/database"
"narasi-ahli-be/app/database/entity"
"narasi-ahli-be/app/module/ebooks/request"
"narasi-ahli-be/utils/paginator"
"github.com/rs/zerolog"
)
type ebookRatingsRepository struct {
DB *database.Database
Log zerolog.Logger
}
// EbookRatingsRepository define interface of IEbookRatingsRepository
type EbookRatingsRepository interface {
GetAll(req request.EbookRatingsQueryRequest) (ratings []*entity.EbookRatings, paging paginator.Pagination, err error)
GetByEbookId(ebookId uint, pagination *paginator.Pagination) (ratings []*entity.EbookRatings, paging paginator.Pagination, err error)
GetByUserId(userId uint, pagination *paginator.Pagination) (ratings []*entity.EbookRatings, paging paginator.Pagination, err error)
FindOne(id uint) (rating *entity.EbookRatings, err error)
FindByUserAndEbook(userId uint, ebookId uint) (rating *entity.EbookRatings, err error)
FindByPurchaseId(purchaseId uint) (rating *entity.EbookRatings, err error)
Create(rating *entity.EbookRatings) (ratingReturn *entity.EbookRatings, err error)
Update(id uint, rating *entity.EbookRatings) (err error)
Delete(id uint) (err error)
GetEbookRatingStats(ebookId uint) (totalRatings int, averageRating float64, ratingCounts map[int]int, err error)
GetRecentReviews(ebookId uint, limit int) (reviews []*entity.EbookRatings, err error)
}
func NewEbookRatingsRepository(db *database.Database, log zerolog.Logger) EbookRatingsRepository {
return &ebookRatingsRepository{
DB: db,
Log: log,
}
}
// implement interface of IEbookRatingsRepository
func (_i *ebookRatingsRepository) GetAll(req request.EbookRatingsQueryRequest) (ratings []*entity.EbookRatings, paging paginator.Pagination, err error) {
var count int64
query := _i.DB.DB.Model(&entity.EbookRatings{}).
Preload("User").
Preload("Ebook").
Preload("Purchase").
Where("ebook_ratings.is_active = ?", true)
if req.EbookId != nil {
query = query.Where("ebook_ratings.ebook_id = ?", req.EbookId)
}
if req.UserId != nil {
query = query.Where("ebook_ratings.user_id = ?", req.UserId)
}
if req.Rating != nil {
query = query.Where("ebook_ratings.rating = ?", req.Rating)
}
if req.IsVerified != nil {
query = query.Where("ebook_ratings.is_verified = ?", req.IsVerified)
}
if req.StatusId != nil {
query = query.Where("ebook_ratings.status_id = ?", req.StatusId)
}
query.Count(&count)
if req.Pagination.SortBy != "" {
direction := "ASC"
if req.Pagination.Sort == "desc" {
direction = "DESC"
}
query.Order("ebook_ratings." + req.Pagination.SortBy + " " + direction)
} else {
query.Order("ebook_ratings.created_at DESC")
}
req.Pagination.Count = count
req.Pagination = paginator.Paging(req.Pagination)
err = query.Offset(req.Pagination.Offset).Limit(req.Pagination.Limit).Find(&ratings).Error
if err != nil {
return
}
paging = *req.Pagination
return
}
func (_i *ebookRatingsRepository) GetByEbookId(ebookId uint, pagination *paginator.Pagination) (ratings []*entity.EbookRatings, paging paginator.Pagination, err error) {
var count int64
query := _i.DB.DB.Model(&entity.EbookRatings{}).
Preload("User").
Preload("Ebook").
Preload("Purchase").
Where("ebook_ratings.ebook_id = ? AND ebook_ratings.is_active = ?", ebookId, true)
query.Count(&count)
pagination.Count = count
pagination = paginator.Paging(pagination)
err = query.Offset(pagination.Offset).Limit(pagination.Limit).
Order("ebook_ratings.created_at DESC").
Find(&ratings).Error
if err != nil {
return
}
paging = *pagination
return
}
func (_i *ebookRatingsRepository) GetByUserId(userId uint, pagination *paginator.Pagination) (ratings []*entity.EbookRatings, paging paginator.Pagination, err error) {
var count int64
query := _i.DB.DB.Model(&entity.EbookRatings{}).
Preload("User").
Preload("Ebook").
Preload("Purchase").
Where("ebook_ratings.user_id = ? AND ebook_ratings.is_active = ?", userId, true)
query.Count(&count)
pagination.Count = count
pagination = paginator.Paging(pagination)
err = query.Offset(pagination.Offset).Limit(pagination.Limit).
Order("ebook_ratings.created_at DESC").
Find(&ratings).Error
if err != nil {
return
}
paging = *pagination
return
}
func (_i *ebookRatingsRepository) FindOne(id uint) (rating *entity.EbookRatings, err error) {
query := _i.DB.DB.Preload("User").Preload("Ebook").Preload("Purchase")
if err := query.First(&rating, id).Error; err != nil {
return nil, err
}
return rating, nil
}
func (_i *ebookRatingsRepository) FindByUserAndEbook(userId uint, ebookId uint) (rating *entity.EbookRatings, err error) {
query := _i.DB.DB.Where("user_id = ? AND ebook_id = ?", userId, ebookId)
if err := query.First(&rating).Error; err != nil {
return nil, err
}
return rating, nil
}
func (_i *ebookRatingsRepository) FindByPurchaseId(purchaseId uint) (rating *entity.EbookRatings, err error) {
query := _i.DB.DB.Where("purchase_id = ?", purchaseId)
if err := query.First(&rating).Error; err != nil {
return nil, err
}
return rating, nil
}
func (_i *ebookRatingsRepository) Create(rating *entity.EbookRatings) (ratingReturn *entity.EbookRatings, err error) {
result := _i.DB.DB.Create(rating)
return rating, result.Error
}
func (_i *ebookRatingsRepository) Update(id uint, rating *entity.EbookRatings) (err error) {
return _i.DB.DB.Model(&entity.EbookRatings{}).
Where(&entity.EbookRatings{ID: id}).
Updates(rating).Error
}
func (_i *ebookRatingsRepository) Delete(id uint) error {
return _i.DB.DB.Delete(&entity.EbookRatings{}, id).Error
}
func (_i *ebookRatingsRepository) GetEbookRatingStats(ebookId uint) (totalRatings int, averageRating float64, ratingCounts map[int]int, err error) {
var stats struct {
TotalRatings int `json:"totalRatings"`
AverageRating float64 `json:"averageRating"`
}
// Get total ratings and average
err = _i.DB.DB.Model(&entity.EbookRatings{}).
Select("COUNT(*) as total_ratings, COALESCE(AVG(rating), 0) as average_rating").
Where("ebook_id = ? AND is_active = ? AND is_verified = ?", ebookId, true, true).
Scan(&stats).Error
if err != nil {
return 0, 0, nil, err
}
// Get rating counts
var ratingCountsData []struct {
Rating int `json:"rating"`
Count int `json:"count"`
}
err = _i.DB.DB.Model(&entity.EbookRatings{}).
Select("rating, COUNT(*) as count").
Where("ebook_id = ? AND is_active = ? AND is_verified = ?", ebookId, true, true).
Group("rating").
Scan(&ratingCountsData).Error
if err != nil {
return 0, 0, nil, err
}
// Convert to map
ratingCounts = make(map[int]int)
for _, rc := range ratingCountsData {
ratingCounts[rc.Rating] = rc.Count
}
// Ensure all ratings 1-5 are present
for i := 1; i <= 5; i++ {
if _, exists := ratingCounts[i]; !exists {
ratingCounts[i] = 0
}
}
return stats.TotalRatings, stats.AverageRating, ratingCounts, nil
}
func (_i *ebookRatingsRepository) GetRecentReviews(ebookId uint, limit int) (reviews []*entity.EbookRatings, err error) {
query := _i.DB.DB.Model(&entity.EbookRatings{}).
Preload("User").
Preload("Ebook").
Preload("Purchase").
Where("ebook_id = ? AND is_active = ? AND is_verified = ? AND review IS NOT NULL AND review != ''", ebookId, true, true).
Order("created_at DESC").
Limit(limit)
err = query.Find(&reviews).Error
return reviews, err
}