asd

backend/internal/socialrating/service.go

@@ -2,7 +2,9 @@ package socialrating
 
 import (
 	"errors"
+	"strconv"
 	"strings"
+	"time"
 
 	"gorm.io/gorm"
 
@@ -22,6 +24,16 @@ type ChangeInput struct {
 	Source        string
 }
 
+type UserWithRating struct {
+	ID              uint      `json:"id"`
+	Email           string    `json:"email"`
+	IsAdmin         bool      `json:"isAdmin"`
+	Score           int       `json:"score"`
+	LastOperationID *uint     `json:"lastOperationId,omitempty"`
+	CreatedAt       time.Time `json:"createdAt"`
+	UpdatedAt       time.Time `json:"updatedAt"`
+}
+
 func NewService(db *gorm.DB) Service {
 	return Service{DB: db}
 }
@@ -95,3 +107,131 @@ func ensureUserExists(tx *gorm.DB, userID uint) error {
 	var user models.User
 	return tx.First(&user, "id = ?", userID).Error
 }
+
+func (s Service) ListUsersWithRatings(limit int) ([]UserWithRating, error) {
+	if limit <= 0 {
+		limit = 50
+	}
+
+	var rows []struct {
+		ID              uint
+		Email           string
+		IsAdmin         bool
+		Score           int
+		LastOperationID *uint
+		CreatedAt       time.Time
+		UpdatedAt       time.Time
+	}
+
+	err := s.DB.
+		Table("users").
+		Select(
+			"users.id, users.email, users.is_admin, COALESCE(user_social_ratings.score, 0) AS score, user_social_ratings.last_operation_id, users.created_at, users.updated_at",
+		).
+		Joins("LEFT JOIN user_social_ratings ON user_social_ratings.user_id = users.id").
+		Order("score DESC, users.id ASC").
+		Limit(limit).
+		Scan(&rows).Error
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]UserWithRating, 0, len(rows))
+	for _, row := range rows {
+		result = append(result, UserWithRating{
+			ID:              row.ID,
+			Email:           row.Email,
+			IsAdmin:         row.IsAdmin,
+			Score:           row.Score,
+			LastOperationID: row.LastOperationID,
+			CreatedAt:       row.CreatedAt,
+			UpdatedAt:       row.UpdatedAt,
+		})
+	}
+
+	return result, nil
+}
+
+func (s Service) GetUserRating(userID uint) (UserWithRating, error) {
+	var row struct {
+		ID              uint
+		Email           string
+		IsAdmin         bool
+		Score           int
+		LastOperationID *uint
+		CreatedAt       time.Time
+		UpdatedAt       time.Time
+	}
+
+	err := s.DB.
+		Table("users").
+		Select(
+			"users.id, users.email, users.is_admin, COALESCE(user_social_ratings.score, 0) AS score, user_social_ratings.last_operation_id, users.created_at, users.updated_at",
+		).
+		Joins("LEFT JOIN user_social_ratings ON user_social_ratings.user_id = users.id").
+		Where("users.id = ?", userID).
+		Take(&row).Error
+	if err != nil {
+		return UserWithRating{}, err
+	}
+
+	return UserWithRating{
+		ID:              row.ID,
+		Email:           row.Email,
+		IsAdmin:         row.IsAdmin,
+		Score:           row.Score,
+		LastOperationID: row.LastOperationID,
+		CreatedAt:       row.CreatedAt,
+		UpdatedAt:       row.UpdatedAt,
+	}, nil
+}
+
+func (s Service) GetUserHistory(userID uint, limit int) ([]models.SocialRatingOperation, error) {
+	if limit <= 0 {
+		limit = 50
+	}
+
+	if err := ensureUserExists(s.DB, userID); err != nil {
+		return nil, err
+	}
+
+	var operations []models.SocialRatingOperation
+	err := s.DB.
+		Where("target_user_id = ?", userID).
+		Order("created_at DESC, id DESC").
+		Limit(limit).
+		Find(&operations).Error
+
+	return operations, err
+}
+
+func (s Service) GetRecentOperations(limit int) ([]models.SocialRatingOperation, error) {
+	if limit <= 0 {
+		limit = 50
+	}
+
+	var operations []models.SocialRatingOperation
+	err := s.DB.
+		Order("created_at DESC, id DESC").
+		Limit(limit).
+		Find(&operations).Error
+
+	return operations, err
+}
+
+func parsePositiveLimit(raw string, fallback int) int {
+	if raw == "" {
+		return fallback
+	}
+
+	value, err := strconv.Atoi(raw)
+	if err != nil || value <= 0 {
+		return fallback
+	}
+
+	if value > 200 {
+		return 200
+	}
+
+	return value
+}