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

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

import { __decorate, __metadata } from '../../../../external/tslib/tslib.es6.js';
import { ApiAuthorizationPolicyBase } from './base.class.js';
import { ApiAuthorizationPolicyRegistry } from './registry.class.js';
import { AUTHORIZATION_POLICY_DECORATOR_CONSTANT } from '../../../../constant/class/authorization/policy/decorator.constant.js';
import { Injectable } from '@nestjs/common';
import { DiscoveryService } from '@nestjs/core';
import { LoggerUtility } from '../../../../utility/logger.utility.js';

const policyDiscoveryLogger = LoggerUtility.getLogger("ApiAuthorizationPolicyDiscoveryService");
let ApiAuthorizationPolicyDiscoveryService = class ApiAuthorizationPolicyDiscoveryService {
    discoveryService;
    registry;
    constructor(discoveryService, registry) {
        this.discoveryService = discoveryService;
        this.registry = registry;
    }
    onModuleInit() {
        policyDiscoveryLogger.verbose("Starting authorization policy discovery...");
        const providers = this.discoveryService.getProviders();
        const policyProviders = providers.filter((wrapper) => Boolean(wrapper.instance && wrapper.metatype && wrapper.instance instanceof ApiAuthorizationPolicyBase && Reflect.hasMetadata(AUTHORIZATION_POLICY_DECORATOR_CONSTANT.METADATA_KEY, wrapper.metatype)));
        for (const wrapper of policyProviders) {
            if (!wrapper.metatype) {
                continue;
            }
            const metadata = Reflect.getMetadata(AUTHORIZATION_POLICY_DECORATOR_CONSTANT.METADATA_KEY, wrapper.metatype);
            const properties = metadata;
            if (!properties) {
                continue;
            }
            const policyId = properties.policyId ?? `${properties.entity.name?.toLowerCase() ?? "unknown"}${AUTHORIZATION_POLICY_DECORATOR_CONSTANT.DEFAULT_POLICY_ID_SUFFIX}`;
            this.registry.registerSubscriber({
                cache: properties.cache,
                description: properties.description,
                entity: properties.entity,
                policyId,
                priority: properties.priority ?? 0,
                subscriber: wrapper.instance,
            });
            policyDiscoveryLogger.verbose(`Registered authorization policy ${wrapper.name ?? properties.entity.name ?? "UnknownPolicy"} for entity ${properties.entity.name ?? "UnknownEntity"} with priority ${properties.priority ?? 0}`);
        }
        policyDiscoveryLogger.verbose(`Authorization policy discovery finished. Registered ${policyProviders.length} providers.`);
    }
};
ApiAuthorizationPolicyDiscoveryService = __decorate([
    Injectable(),
    __metadata("design:paramtypes", [DiscoveryService,
        ApiAuthorizationPolicyRegistry])
], ApiAuthorizationPolicyDiscoveryService);

export { ApiAuthorizationPolicyDiscoveryService };
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