Add [Fedora] package version support (#3372)

services/fedora/fedora.service.js

@@ -0,0 +1,54 @@
+'use strict'
+
+const Joi = require('joi')
+const { renderVersionBadge } = require('../version')
+const { BaseJsonService } = require('..')
+
+const schema = Joi.object({
+  version: Joi.string().required(),
+}).required()
+
+// No way to permalink to current "stable", https://pagure.io/mdapi/issue/69
+const defaultBranch = 'rawhide'
+
+module.exports = class Fedora extends BaseJsonService {
+  static get category() {
+    return 'version'
+  }
+
+  static get route() {
+    return {
+      base: 'fedora/v',
+      pattern: ':packageName/:branch?',
+    }
+  }
+
+  static get examples() {
+    return [
+      {
+        title: 'Fedora package',
+        namedParams: { packageName: 'rpm', branch: 'rawhide' },
+        staticPreview: renderVersionBadge({ version: '4.14.2.1' }),
+        documentation:
+          'See <a href="https://apps.fedoraproject.org/mdapi/">mdapi docs</a> for information on valid branches.',
+      },
+    ]
+  }
+
+  static get defaultBadgeData() {
+    return { label: 'fedora' }
+  }
+
+  async handle({ packageName, branch = defaultBranch }) {
+    const data = await this._requestJson({
+      schema,
+      url: `https://apps.fedoraproject.org/mdapi/${encodeURIComponent(
+        branch
+      )}/pkg/${encodeURIComponent(packageName)}`,
+      errorMessages: {
+        400: 'branch not found',
+      },
+    })
+    return renderVersionBadge({ version: data.version })
+  }
+}

services/fedora/fedora.tester.js

@@ -0,0 +1,21 @@
+'use strict'
+
+const {
+  isVPlusDottedVersionNClausesWithOptionalSuffixAndEpoch,
+} = require('../test-validators')
+const t = (module.exports = require('../tester').createServiceTester())
+
+t.create('Fedora package (default branch, valid)')
+  .get('/rpm.json')
+  .expectBadge({
+    label: 'fedora',
+    message: isVPlusDottedVersionNClausesWithOptionalSuffixAndEpoch,
+  })
+
+t.create('Fedora package (not found)')
+  .get('/not-a-package/rawhide.json')
+  .expectBadge({ label: 'fedora', message: 'not found' })
+
+t.create('Fedora package (branch not found)')
+  .get('/not-a-package/not-a-branch.json')
+  .expectBadge({ label: 'fedora', message: 'branch not found' })