This commit is contained in:
2026-04-18 14:38:37 +03:00
parent 3ee88f9343
commit 6c871cd9eb
21 changed files with 1736 additions and 22 deletions

View File

@@ -3,6 +3,7 @@ package socialrating
import (
"errors"
"net/http"
"strconv"
"github.com/gin-gonic/gin"
"gorm.io/gorm"
@@ -26,10 +27,79 @@ type ChangeResponse struct {
CurrentRating models.UserSocialRating `json:"currentRating"`
}
type UsersResponse struct {
Users []UserWithRating `json:"users"`
}
type UserRatingResponse struct {
User UserWithRating `json:"user"`
}
type HistoryResponse struct {
Operations []models.SocialRatingOperation `json:"operations"`
}
func NewHandler(service Service) Handler {
return Handler{Service: service}
}
func (h Handler) ListUsers(ctx *gin.Context) {
limit := parsePositiveLimit(ctx.Query("limit"), 50)
users, err := h.Service.ListUsersWithRatings(limit)
if err != nil {
ctx.JSON(http.StatusInternalServerError, gin.H{"error": "failed to load users"})
return
}
ctx.JSON(http.StatusOK, UsersResponse{Users: users})
}
func (h Handler) GetUser(ctx *gin.Context) {
userID, err := parseUintParam(ctx.Param("userId"))
if err != nil {
ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
user, err := h.Service.GetUserRating(userID)
if err != nil {
handleApplyChangeError(ctx, err)
return
}
ctx.JSON(http.StatusOK, UserRatingResponse{User: user})
}
func (h Handler) GetUserHistory(ctx *gin.Context) {
userID, err := parseUintParam(ctx.Param("userId"))
if err != nil {
ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
limit := parsePositiveLimit(ctx.Query("limit"), 50)
operations, err := h.Service.GetUserHistory(userID, limit)
if err != nil {
handleApplyChangeError(ctx, err)
return
}
ctx.JSON(http.StatusOK, HistoryResponse{Operations: operations})
}
func (h Handler) GetRecentOperations(ctx *gin.Context) {
limit := parsePositiveLimit(ctx.Query("limit"), 50)
operations, err := h.Service.GetRecentOperations(limit)
if err != nil {
ctx.JSON(http.StatusInternalServerError, gin.H{"error": "failed to load operations"})
return
}
ctx.JSON(http.StatusOK, HistoryResponse{Operations: operations})
}
func (h Handler) Increase(ctx *gin.Context) {
h.applySignedChange(ctx, "increase", 1)
}
@@ -97,3 +167,12 @@ func handleApplyChangeError(ctx *gin.Context, err error) {
ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
}
}
func parseUintParam(raw string) (uint, error) {
value, err := strconv.ParseUint(raw, 10, 64)
if err != nil || value == 0 {
return 0, errors.New("invalid user id")
}
return uint(value), nil
}

View File

@@ -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
}