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

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

import { CONTROLLER_API_DECORATOR_CONSTANT } from '../../../constant/decorator/api/controller.constant.js';
import { SERVICE_API_DECORATOR_CONSTANT } from '../../../constant/decorator/api/service.constant.js';
import { CapitalizeString } from '../../../utility/capitalize-string.utility.js';
import { LoggerUtility } from '../../../utility/logger.utility.js';
import { apiSubscriberRegistry } from './registry.class.js';

const subscriberLogger = LoggerUtility.getLogger("ApiSubscriberExecutor");
class ApiSubscriberExecutor {
    static async executeFunctionSubscribers(constructor, entity, functionType, onType, context, error) {
        if (!Reflect.hasMetadata(SERVICE_API_DECORATOR_CONSTANT.OBSERVABLE_METADATA_KEY, constructor)) {
            return context.result;
        }
        const subscribers = apiSubscriberRegistry.getFunctionSubscribers(entity.constructor.name);
        let result = context.result;
        for (const subscriber of subscribers) {
            const hookName = `on${onType}${CapitalizeString(functionType)}`;
            const hook = subscriber[hookName];
            if (typeof hook === "function") {
                subscriberLogger.verbose(`Executing function hook ${hookName} from ${subscriber.constructor.name} for entity ${entity.constructor.name}`);
                const hookResult = (await hook.call(subscriber, { ...context, result }, error));
                if (hookResult !== undefined) {
                    result = hookResult;
                }
            }
        }
        return result;
    }
    static async executeRouteSubscribers(constructor, entity, routeType, onType, context, error) {
        if (!Reflect.hasMetadata(CONTROLLER_API_DECORATOR_CONSTANT.OBSERVABLE_METADATA_KEY, constructor)) {
            return context.result;
        }
        const subscribers = apiSubscriberRegistry.getRouteSubscribers(entity.constructor.name);
        let result = context.result;
        for (const subscriber of subscribers) {
            const hookName = `on${onType}${CapitalizeString(routeType)}`;
            const hook = subscriber[hookName];
            if (typeof hook === "function") {
                subscriberLogger.verbose(`Executing route hook ${hookName} from ${subscriber.constructor.name} for entity ${entity.constructor.name}`);
                const hookResult = (await hook.call(subscriber, { ...context, result }, error));
                if (hookResult !== undefined) {
                    result = hookResult;
                }
            }
        }
        return result;
    }
}

export { ApiSubscriberExecutor };
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