yajra / cms-core

                $table->foreign('extension_id')->references('id')->on('extensions')->onDelete('cascade');

            });

            Schema::create('menu_permission', function (Blueprint $table) {

                $table->unsignedInteger('menu_id')->index();

                $table->unsignedInteger('permission_id')->index();

                $table->foreign('menu_id')->references('id')->on('menus')->onDelete('cascade');

                $table->foreign('permission_id')->references('id')->on('permissions')->onDelete('cascade');

            });

        });

    }

                $table->foreign('extension_id')->references('id')->on('extensions');

            });

            Schema::create('widget_permission', function (Blueprint $table) {

                $table->unsignedInteger('widget_id')->index();

                $table->unsignedInteger('permission_id')->index();

                $table->foreign('widget_id')->references('id')->on('widgets')->onDelete('cascade');

                $table->foreign('permission_id')->references('id')->on('permissions')->onDelete('cascade');

            });

            Schema::create('widget_menu', function (Blueprint $table) {

                $table->unsignedInteger('widget_id')->index();

            $table->foreign('category_id')->references('id')->on('categories');

        });

        Schema::create('article_permission', function(Blueprint $table)

        {

            $table->unsignedInteger('article_id')->index();

            $table->unsignedInteger('permission_id')->index();

            $table->foreign('article_id')->references('id')->on('articles')->onDelete('cascade');

            $table->foreign('permission_id')->references('id')->on('permissions')->onDelete('cascade');

        });

    }

    /**