[Maven] Added badge for Maven-Cenral last-update (#10301) (#10585)

* Added badge for Maven-Cenral last update.

* Update services/maven-central/maven-central-last-update.service.js

Co-authored-by: chris48s <chris48s@users.noreply.github.com>

* updated according to the review comments.

---------

Co-authored-by: chris48s <chris48s@users.noreply.github.com>

services/maven-central/maven-central-base.js

@@ -0,0 +1,13 @@
+import { BaseXmlService } from '../index.js'
+
+export default class MavenCentralBase extends BaseXmlService {
+  async fetch({ groupId, artifactId, schema }) {
+    const group = encodeURIComponent(groupId).replace(/\./g, '/')
+    const artifact = encodeURIComponent(artifactId)
+    return this._requestXml({
+      schema,
+      url: `https://repo1.maven.org/maven2/${group}/${artifact}/maven-metadata.xml`,
+      httpErrors: { 404: 'artifact not found' },
+    })
+  }
+}

services/maven-central/maven-central-last-update.service.js

@@ -0,0 +1,66 @@
+import Joi from 'joi'
+import customParseFormat from 'dayjs/plugin/customParseFormat.js'
+import dayjs from 'dayjs'
+import { InvalidResponse, pathParams } from '../index.js'
+import { nonNegativeInteger } from '../validators.js'
+import { formatDate } from '../text-formatters.js'
+import { age as ageColor } from '../color-formatters.js'
+import MavenCentralBase from './maven-central-base.js'
+dayjs.extend(customParseFormat)
+
+const updateResponseSchema = Joi.object({
+  metadata: Joi.object({
+    versioning: Joi.object({
+      lastUpdated: nonNegativeInteger,
+    }).required(),
+  }).required(),
+}).required()
+
+export default class MavenCentralLastUpdate extends MavenCentralBase {
+  static category = 'activity'
+
+  static route = {
+    base: 'maven-central/last-update',
+    pattern: ':groupId/:artifactId',
+  }
+
+  static openApi = {
+    '/maven-central/last-update/{groupId}/{artifactId}': {
+      get: {
+        summary: 'Maven Central Last Update',
+        parameters: pathParams(
+          { name: 'groupId', example: 'com.google.guava' },
+          { name: 'artifactId', example: 'guava' },
+        ),
+      },
+    },
+  }
+
+  static defaultBadgeData = { label: 'last updated' }
+
+  static render({ date }) {
+    return {
+      message: formatDate(date),
+      color: ageColor(date),
+    }
+  }
+
+  async handle({ groupId, artifactId }) {
+    const { metadata } = await this.fetch({
+      groupId,
+      artifactId,
+      schema: updateResponseSchema,
+    })
+
+    const date = dayjs(
+      String(metadata.versioning.lastUpdated),
+      'YYYYMMDDHHmmss',
+    )
+
+    if (!date.isValid) {
+      throw new InvalidResponse({ prettyMessage: 'invalid date' })
+    }
+
+    return this.constructor.render({ date })
+  }
+}

services/maven-central/maven-central-last-update.tester.js

@@ -0,0 +1,15 @@
+import { isFormattedDate } from '../test-validators.js'
+import { createServiceTester } from '../tester.js'
+export const t = await createServiceTester()
+
+t.create('last update date').get('/com.google.guava/guava.json').expectBadge({
+  label: 'last updated',
+  message: isFormattedDate,
+})
+
+t.create('last update when artifact not found')
+  .get('/com.fail.test/this-does-not-exist.json')
+  .expectBadge({
+    label: 'last updated',
+    message: 'artifact not found',
+  })