Files
shields/services/dynamic/dynamic-json.service.js
2019-07-25 11:35:31 -05:00

55 lines
1.2 KiB
JavaScript

'use strict'
const Joi = require('@hapi/joi')
const jp = require('jsonpath')
const { renderDynamicBadge, errorMessages } = require('../dynamic-common')
const { createRoute } = require('./dynamic-helpers')
const { BaseJsonService, InvalidParameter, InvalidResponse } = require('..')
module.exports = class DynamicJson extends BaseJsonService {
static get category() {
return 'dynamic'
}
static get route() {
return createRoute('json')
}
static get defaultBadgeData() {
return {
label: 'custom badge',
}
}
async handle(namedParams, { url, query: pathExpression, prefix, suffix }) {
const data = await this._requestJson({
schema: Joi.any(),
url,
errorMessages,
})
let values
try {
values = jp.query(data, pathExpression)
} catch (e) {
const { message } = e
if (
message.startsWith('Lexical error') ||
message.startsWith('Parse error')
) {
throw new InvalidParameter({
prettyMessage: 'unparseable jsonpath query',
})
} else {
throw e
}
}
if (!values.length) {
throw new InvalidResponse({ prettyMessage: 'no result' })
}
return renderDynamicBadge({ value: values, prefix, suffix })
}
}