Refactored transaction input handling and removed unused receipt-related definitions in Swagger.

backend/src/api/routers/errors.go

@@ -2,7 +2,10 @@ package routers
 
 import (
 	"FamilyHub/src/api/dto"
+	"FamilyHub/src/api/requests"
+	"FamilyHub/src/api/services"
 	receiptServiceIntegration "FamilyHub/src/integrations/receiptProvider"
+	"database/sql"
 	"errors"
 	"log"
 	"net/http"
@@ -60,3 +63,36 @@ func handleReceiptError(c *gin.Context, err error) {
 		c.JSON(http.StatusInternalServerError, dto.ErrorResponse{Message: "internal server error"})
 	}
 }
+
+func handleActivityError(c *gin.Context, err error) {
+	logInternalError(c, "activity request", err)
+	c.JSON(http.StatusInternalServerError, dto.ErrorResponse{Message: "internal server error"})
+}
+
+func handleFamilyError(c *gin.Context, err error) {
+	switch {
+	case errors.Is(err, services.ErrFamilyNotFound):
+		c.JSON(http.StatusNotFound, dto.ErrorResponse{Message: err.Error()})
+	case errors.Is(err, sql.ErrNoRows):
+		c.JSON(http.StatusNotFound, dto.ErrorResponse{Message: "family not found"})
+	case errors.Is(err, requests.ErrFamilyNameRequired):
+		c.JSON(http.StatusBadRequest, dto.ErrorResponse{Message: err.Error()})
+	default:
+		logInternalError(c, "family request", err)
+		c.JSON(http.StatusInternalServerError, dto.ErrorResponse{Message: "internal server error"})
+	}
+}
+
+func handleUserError(c *gin.Context, err error) {
+	switch {
+	case errors.Is(err, services.ErrUserNotFound):
+		c.JSON(http.StatusNotFound, dto.ErrorResponse{Message: err.Error()})
+	case errors.Is(err, services.ErrInvalidPatch):
+		c.JSON(http.StatusBadRequest, dto.ErrorResponse{Message: err.Error()})
+	case errors.Is(err, services.ErrTelegramIDMissing):
+		c.JSON(http.StatusBadRequest, dto.ErrorResponse{Message: err.Error()})
+	default:
+		logInternalError(c, "user request", err)
+		c.JSON(http.StatusInternalServerError, dto.ErrorResponse{Message: "internal server error"})
+	}
+}