@elsikora/nestjs-crud-automator/dist/cjs/utility/dto/generate/read-parameters.utility.js

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

'use strict';

require('../../../constant/decorator/api/function.constant.js');
var propertyDescribe_constant = require('../../../constant/decorator/api/property-describe.constant.js');
require('../../../enum/decorator/api/action.enum.js');
require('../../../enum/decorator/api/authentication-type.enum.js');
require('../../../enum/decorator/api/controller/get-list/query/filter/missing-behavior.enum.js');
require('../../../enum/decorator/api/controller/get-list/query/pagination-mode.enum.js');
require('../../../enum/decorator/api/controller/get-list/query/unlisted-fields.enum.js');
require('../../../enum/decorator/api/controller/relation-reference-shape.enum.js');
require('../../../enum/decorator/api/controller/request/target.enum.js');
require('../../../enum/decorator/api/controller/request/transformer-type.enum.js');
require('../../../enum/decorator/api/controller/response-target.enum.js');
var dtoType_enum = require('../../../enum/decorator/api/dto-type.enum.js');
require('../../../enum/decorator/api/function/context-storage-kind.enum.js');
require('../../../enum/decorator/api/function/subscriber-transaction-expectation.enum.js');
require('../../../enum/decorator/api/function/transaction/event-status.enum.js');
require('../../../enum/decorator/api/function/transaction/failure-stage.enum.js');
require('../../../enum/decorator/api/function/transaction/mode.enum.js');
require('../../../enum/decorator/api/function/transaction/outcome.enum.js');
require('../../../enum/decorator/api/function/transaction/owner-kind.enum.js');
require('../../../enum/decorator/api/function/transaction/trace-type.enum.js');
require('../../../enum/decorator/api/function/type.enum.js');
require('../../../enum/decorator/api/on-type.enum.js');
require('../../../enum/decorator/api/property/data-type.enum.js');
require('../../../enum/decorator/api/property/date/identifier.enum.js');
require('../../../enum/decorator/api/property/date/type.enum.js');
require('../../../enum/decorator/api/property/desribe-type.enum.js');
require('../../../enum/decorator/api/property/number-type.enum.js');
require('../../../enum/decorator/api/property/string-type.enum.js');
require('../../../enum/decorator/api/route/subscriber-authorization-expectation.enum.js');
var type_enum = require('../../../enum/decorator/api/route/type.enum.js');
var buildDecorator_utility = require('../build-decorator.utility.js');
var exception_utility = require('../../error/exception.utility.js');
var classValidator = require('class-validator');

const readParametersDtoCache = new WeakMap();
/**
 * Generates a cached PARAMETERS DTO for route-local inherited read scope.
 * @template E - Entity type owned by the generated route.
 * @param {IApiEntity<E>} entityMetadata - Entity metadata used for field decorators.
 * @param {EApiRouteType} method - Generated GET or GET_LIST route type.
 * @param {IApiControllerReadPlan} readPlan - Validated route-local read plan.
 * @param {IApiControllerPropertiesRouteAutoDtoConfig} [dtoConfig] - Optional auto DTO validators.
 * @param {Type<IAuthGuard>} [currentGuard] - Authentication guard used for field exposure metadata.
 * @returns {Type<unknown>} Cached generated parameters DTO class.
 */
function DtoGenerateReadParameters(entityMetadata, method, readPlan, dtoConfig, currentGuard) {
    let guardCache = readParametersDtoCache.get(readPlan);
    if (!guardCache) {
        guardCache = new Map();
        readParametersDtoCache.set(readPlan, guardCache);
    }
    let dtoConfigCache = guardCache.get(currentGuard);
    if (!dtoConfigCache) {
        dtoConfigCache = new Map();
        guardCache.set(currentGuard, dtoConfigCache);
    }
    const cached = dtoConfigCache.get(dtoConfig);
    if (cached) {
        return cached;
    }
    const parameters = [];
    if (method === type_enum.EApiRouteType.GET) {
        const primaryKey = entityMetadata.primaryKey;
        if (!primaryKey) {
            throw exception_utility.ErrorException(`Primary key for entity ${String(entityMetadata.name)} not found in metadata storage`);
        }
        parameters.push({ field: String(primaryKey.name), parameter: String(primaryKey.name) });
    }
    parameters.push(...readPlan.parameters);
    class GeneratedReadParametersDTO {
        constructor() {
            for (const parameter of parameters) {
                Object.defineProperty(this, parameter.parameter, {
                    // eslint-disable-next-line @elsikora/typescript/naming-convention
                    configurable: true,
                    // eslint-disable-next-line @elsikora/typescript/naming-convention
                    enumerable: true,
                    value: undefined,
                    // eslint-disable-next-line @elsikora/typescript/naming-convention
                    writable: true,
                });
            }
        }
    }
    Object.defineProperty(GeneratedReadParametersDTO, "name", { value: readPlan.schemaName });
    for (const parameter of parameters) {
        const column = entityMetadata.columns.find((candidate) => String(candidate.name) === parameter.field);
        const metadata = column?.metadata?.[propertyDescribe_constant.PROPERTY_DESCRIBE_DECORATOR_API_CONSTANT.METADATA_KEY];
        if (!column || !metadata) {
            throw exception_utility.ErrorException(`Metadata for generated read scope field ${parameter.field} not found`);
        }
        const decorators = buildDecorator_utility.DtoBuildDecorator(method, metadata, entityMetadata, dtoType_enum.EApiDtoType.PARAMETERS, parameter.parameter, currentGuard);
        if (decorators) {
            for (const decorator of decorators) {
                decorator(GeneratedReadParametersDTO.prototype, parameter.parameter);
            }
        }
    }
    if (dtoConfig?.validators) {
        for (const validator of dtoConfig.validators) {
            classValidator.Validate(validator.constraintClass, validator.options)(GeneratedReadParametersDTO.prototype, "object");
        }
    }
    dtoConfigCache.set(dtoConfig, GeneratedReadParametersDTO);
    return GeneratedReadParametersDTO;
}

exports.DtoGenerateReadParameters = DtoGenerateReadParameters;
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