@elsikora/nestjs-crud-automator/dist/esm/class/api/authorization/policy/executor.class.js

A library for automating the creation of CRUD operations in NestJS.

import { EApiAuthorizationPolicyOnType } from '../../../../enum/class/authorization/policy/on-type.enum.js';
import { EApiRouteType } from '../../../../enum/decorator/api/route-type.enum.js';
import { CapitalizeString } from '../../../../utility/capitalize-string.utility.js';
import { LoggerUtility } from '../../../../utility/logger.utility.js';

const policyExecutorLogger = LoggerUtility.getLogger("ApiAuthorizationPolicyExecutor");
class ApiAuthorizationPolicyExecutor {
    static async execute(subscriber, action, context) {
        const routeType = context.routeType ?? this.resolveRouteType(action);
        if (routeType) {
            const hookName = `on${EApiAuthorizationPolicyOnType.BEFORE}${CapitalizeString(routeType)}`;
            const hook = subscriber[hookName];
            if (typeof hook === "function") {
                policyExecutorLogger.verbose(`Executing authorization policy hook ${hookName} from ${subscriber.constructor.name} for action "${action}"`);
                const typedHook = hook;
                const result = typedHook.call(subscriber, context);
                return this.normalizeRuleResult(await result);
            }
            return [];
        }
        if (typeof subscriber.getCustomActionRule !== "function") {
            return [];
        }
        const customActionHook = subscriber.getCustomActionRule.bind(subscriber);
        const customResult = customActionHook(action, context);
        return this.normalizeRuleResult(await customResult);
    }
    static normalizeRuleResult(result) {
        if (Array.isArray(result)) {
            return result.filter((rule) => rule != null);
        }
        return result ? [result] : [];
    }
    static resolveRouteType(action) {
        const routeTypes = Object.values(EApiRouteType);
        return routeTypes.find((routeType) => routeType === action);
    }
}

export { ApiAuthorizationPolicyExecutor };
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