added rows close, get group members route

handlers/groups.go

@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"fmt"
 	"github.com/gofiber/fiber/v2"
 	"github.com/google/uuid"
 	"log"
@@ -66,3 +67,29 @@ func AddMemberToGroup(c *fiber.Ctx) error {
 	log.Println("Successfully added member to group")
 	return c.Status(fiber.StatusOK).JSON(fiber.Map{"message": "Successfully added member to group"})
 }
+
+func GetMembers(c *fiber.Ctx) error {
+	type params struct {
+		GroupID uuid.UUID `params:"groupID"`
+	}
+	var p params
+
+	if err := c.ParamsParser(&p); err != nil {
+		return helpers.NewError(helpers.ErrInvalidInput, "Invalid params", err)
+	}
+
+	isMember, err := database.IsMember(database.DB, p.GroupID, c.Locals("userID").(uuid.UUID))
+	if err != nil {
+		return helpers.NewError(helpers.ErrInternal, "Failed to get members", fmt.Errorf("failed to check if user is a member: %w", err))
+	}
+	if !isMember {
+		return helpers.NewError(helpers.ErrForbidden, "You are not a member of this group", nil)
+	}
+
+	members, err := database.GetMembers(database.DB, p.GroupID)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).JSON(fiber.Map{"members": members})
+}