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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ParseArrayPipe = void 0;
const tslib_1 = require("tslib");
const injectable_decorator_1 = require("../decorators/core/injectable.decorator");
const optional_decorator_1 = require("../decorators/core/optional.decorator");
const http_status_enum_1 = require("../enums/http-status.enum");
const http_error_by_code_util_1 = require("../utils/http-error-by-code.util");
const shared_utils_1 = require("../utils/shared.utils");
const validation_pipe_1 = require("./validation.pipe");
const VALIDATION_ERROR_MESSAGE = 'Validation failed (parsable array expected)';
const DEFAULT_ARRAY_SEPARATOR = ',';
/**
* Defines the built-in ParseArray Pipe
*
* @see [Built-in Pipes](https://docs.nestjs.com/pipes#built-in-pipes)
*
* @publicApi
*/
let ParseArrayPipe = class ParseArrayPipe {
constructor(options = {}) {
this.options = options;
this.validationPipe = new validation_pipe_1.ValidationPipe({
transform: true,
validateCustomDecorators: true,
...options,
});
const { exceptionFactory, errorHttpStatusCode = http_status_enum_1.HttpStatus.BAD_REQUEST } = options;
this.exceptionFactory =
exceptionFactory ||
(error => new http_error_by_code_util_1.HttpErrorByCode[errorHttpStatusCode](error));
}
/**
* Method that accesses and performs optional transformation on argument for
* in-flight requests.
*
* @param value currently processed route argument
* @param metadata contains metadata about the currently processed route argument
*/
async transform(value, metadata) {
if (!value && !this.options.optional) {
throw this.exceptionFactory(VALIDATION_ERROR_MESSAGE);
}
else if ((0, shared_utils_1.isNil)(value) && this.options.optional) {
return value;
}
if (!Array.isArray(value)) {
if (!(0, shared_utils_1.isString)(value)) {
throw this.exceptionFactory(VALIDATION_ERROR_MESSAGE);
}
else {
try {
value = value
.trim()
.split(this.options.separator || DEFAULT_ARRAY_SEPARATOR);
}
catch {
throw this.exceptionFactory(VALIDATION_ERROR_MESSAGE);
}
}
}
if (this.options.items) {
const validationMetadata = {
metatype: this.options.items,
type: 'query',
};
const isExpectedTypePrimitive = this.isExpectedTypePrimitive();
const toClassInstance = (item, index) => {
if (this.options.items !== String) {
try {
item = JSON.parse(item);
}
catch { }
}
if (isExpectedTypePrimitive) {
return this.validatePrimitive(item, index);
}
return this.validationPipe.transform(item, validationMetadata);
};
if (this.options.stopAtFirstError === false) {
// strict compare to "false" to make sure
// that this option is disabled by default
let errors = [];
const targetArray = value;
for (let i = 0; i < targetArray.length; i++) {
try {
targetArray[i] = await toClassInstance(targetArray[i]);
}
catch (err) {
let message;
if (err.getResponse) {
const response = err.getResponse();
if (Array.isArray(response.message)) {
message = response.message.map((item) => `[${i}] ${item}`);
}
else {
message = `[${i}] ${response.message}`;
}
}
else {
message = err;
}
errors = errors.concat(message);
}
}
if (errors.length > 0) {
throw this.exceptionFactory(errors);
}
return targetArray;
}
else {
value = await Promise.all(value.map(toClassInstance));
}
}
return value;
}
isExpectedTypePrimitive() {
return [Boolean, Number, String].includes(this.options.items);
}
validatePrimitive(originalValue, index) {
if (this.options.items === Number) {
const value = originalValue !== null && originalValue !== '' ? +originalValue : NaN;
if (isNaN(value)) {
throw this.exceptionFactory(`${(0, shared_utils_1.isUndefined)(index) ? '' : `[${index}] `}item must be a number`);
}
return value;
}
else if (this.options.items === String) {
if (!(0, shared_utils_1.isString)(originalValue)) {
return `${originalValue}`;
}
}
else if (this.options.items === Boolean) {
if (typeof originalValue !== 'boolean') {
throw this.exceptionFactory(`${(0, shared_utils_1.isUndefined)(index) ? '' : `[${index}] `}item must be a boolean value`);
}
}
return originalValue;
}
};
exports.ParseArrayPipe = ParseArrayPipe;
exports.ParseArrayPipe = ParseArrayPipe = tslib_1.__decorate([
(0, injectable_decorator_1.Injectable)(),
tslib_1.__param(0, (0, optional_decorator_1.Optional)()),
tslib_1.__metadata("design:paramtypes", [Object])
], ParseArrayPipe);