@bitloops/bl-boilerplate-core/lib/esm/application/UseCase.js

TypeScript boilerplate code for Bitloops Language generated projects

import { UUIDv4 } from '../domain/UUIDv4.js';
import { asyncLocalStorage } from '../helpers/asyncLocalStorage.js';
const CONTEXT = 'context';
export class OrchestratorHandler {
    get orchestratorNameId() {
        return this.constructor.name;
    }
    isTriggerMessage(message) {
        return message.metadata.name === this.triggerMessage.name;
    }
    async trigger(message) {
        const orchestratorName = this.constructor.name;
        const orchestratorInstanceId = new UUIDv4().toString() + '-' + orchestratorName;
        const store = asyncLocalStorage.getStore();
        if (!store) {
            throw new Error('No store found, did you forget to attach correlation middleware?');
        }
        const ctx = store.get(CONTEXT);
        const alreadyCreatedOrchestratorInstanceIds = ctx.orchestratorInstanceIds
            ? JSON.parse(ctx.orchestratorInstanceIds)
            : {};
        const ctxWithOrchestratorInstanceId = {
            ...ctx,
            orchestratorInstanceIds: JSON.stringify({
                ...alreadyCreatedOrchestratorInstanceIds,
                [orchestratorName]: orchestratorInstanceId,
            }),
        };
        store.set(CONTEXT, ctxWithOrchestratorInstanceId);
        if (!message.metadata.context.orchestratorInstanceIds) {
            message.metadata.context.orchestratorInstanceIds = JSON.stringify({});
        }
        const orchestratorInstanceIds = JSON.parse(message.metadata.context.orchestratorInstanceIds);
        orchestratorInstanceIds[orchestratorName] = orchestratorInstanceId;
        message.metadata.context.orchestratorInstanceIds = JSON.stringify(orchestratorInstanceIds);
    }
    getOrchestratorNameId() {
        return {
            orchestratorNameId: this.orchestratorNameId,
        };
    }
    isGeneratedByOrchestrator(message) {
        const orchestratorInstanceIdStr = message.metadata.context.orchestratorInstanceIds;
        if (!orchestratorInstanceIdStr) {
            return true;
        }
        const orchestratorInstanceIds = JSON.parse(orchestratorInstanceIdStr);
        return orchestratorInstanceIds?.[this.constructor.name] !== undefined;
    }
}