coffee-core/dist/rabbitmq/subscriber/consume-handler.js

Coffee IT API core library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConsumeHandler = void 0;
const class_transformer_1 = require("class-transformer");
const common_1 = require("@nestjs/common");
class ConsumeHandler {
    bindingKey;
    onConsume;
    messageClass;
    enableLogging;
    validationMiddleware;
    logger = new common_1.Logger(ConsumeHandler.name);
    constructor(bindingKey, onConsume, messageClass, enableLogging = true) {
        this.bindingKey = bindingKey;
        this.onConsume = onConsume;
        this.messageClass = messageClass;
        this.enableLogging = enableLogging;
    }
    async consume(message) {
        const transformedMessage = await (0, class_transformer_1.plainToClass)(this.messageClass, message);
        if (this.validationMiddleware) {
            await this.validationMiddleware.handle(transformedMessage, this.bindingKey);
        }
        if (this.enableLogging) {
            this.logger.debug(`Got an event on ${this.bindingKey} with payload: ${JSON.stringify(message, null, 2)}`);
        }
        await this.onConsume(transformedMessage);
    }
    setValidationMiddleware(middleware) {
        this.validationMiddleware = middleware;
    }
}
exports.ConsumeHandler = ConsumeHandler;
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