fix [dockerstars] service

services/docker/docker-stars.service.js

@@ -1,13 +1,18 @@
+import Joi from 'joi'
 import { metric } from '../text-formatters.js'
 import { nonNegativeInteger } from '../validators.js'
-import { BaseService } from '../index.js'
+import { BaseJsonService } from '../index.js'
 import {
   dockerBlue,
   buildDockerUrl,
   getDockerHubUser,
 } from './docker-helpers.js'
 
-export default class DockerStars extends BaseService {
+const schema = Joi.object({
+  star_count: nonNegativeInteger.required(),
+}).required()
+
+export default class DockerStars extends BaseJsonService {
   static category = 'rating'
   static route = buildDockerUrl('stars')
   static examples = [
@@ -31,18 +36,17 @@ export default class DockerStars extends BaseService {
   }
 
   async fetch({ user, repo }) {
-    const url = `https://hub.docker.com/v2/repositories/${getDockerHubUser(
-      user
-    )}/${repo}/stars/count/`
-    const { buffer } = await this._request({
-      url,
+    return this._requestJson({
+      schema,
+      url: `https://hub.docker.com/v2/repositories/${getDockerHubUser(
+        user
+      )}/${repo}/`,
       errorMessages: { 404: 'repo not found' },
     })
-    return this.constructor._validate(buffer, nonNegativeInteger)
   }
 
   async handle({ user, repo }) {
-    const stars = await this.fetch({ user, repo })
-    return this.constructor.render({ stars })
+    const { star_count } = await this.fetch({ user, repo })
+    return this.constructor.render({ stars: star_count })
   }
 }