add roles routes

internal/repos/users_repo/repo.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"evening_detective_server/internal/repos"
+	"fmt"
 
 	"github.com/jackc/pgx/v5"
 	"github.com/jackc/pgx/v5/pgxpool"
@@ -175,3 +176,35 @@ func (s *UsersRepo) GetUsers(
 
 	return users, nil
 }
+
+func (s *UsersRepo) AddUserRole(
+	ctx context.Context,
+	userId int,
+	role string,
+) error {
+	_, err := s.pool.Exec(
+		ctx,
+		`UPDATE users 
+		SET roles = roles || $1::jsonb
+		WHERE id = $2 AND NOT roles @> $1::jsonb`,
+		fmt.Sprintf(`["%s"]`, role),
+		userId,
+	)
+	return err
+}
+
+func (s *UsersRepo) DeleteUserRole(
+	ctx context.Context,
+	userId int,
+	role string,
+) error {
+	_, err := s.pool.Exec(
+		ctx,
+		`UPDATE users 
+		SET roles = roles - $1::text
+		WHERE id = $2`,
+		role,
+		userId,
+	)
+	return err
+}