asd

backend/internal/socialrating/handler.go

@@ -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
+}