Add [Coderabbit] PR Stats service and tests

services/coderabbit/coderabbit-stats.service.js

@@ -0,0 +1,69 @@
+import Joi from 'joi'
+import { BaseJsonService } from '../index.js'
+
+const schema = Joi.object({
+  reviews: Joi.number().required(),
+}).required()
+
+class CodeRabbitStats extends BaseJsonService {
+  static category = 'analysis'
+  static route = {
+    base: 'coderabbit',
+    pattern: 'stats/:provider/:org/:repo',
+  }
+
+  static examples = [
+    {
+      title: 'CodeRabbit Review Stats',
+      namedParams: {
+        provider: 'github',
+        org: 'coderabbitai',
+        repo: 'ast-grep-essentials',
+      },
+      staticPreview: this.render({
+        reviews: 101,
+      }),
+      documentation: 'Shows the number of CodeRabbit reviews for a repository',
+    },
+  ]
+
+  static defaultBadgeData = {
+    label: 'CodeRabbit',
+    labelColor: '171717',
+  }
+
+  static render({ reviews }) {
+    return {
+      message: `${reviews} Reviews`,
+      color: 'ff570a',
+    }
+  }
+
+  static renderError({ message }) {
+    return {
+      message,
+      color: '9f9f9f',
+    }
+  }
+
+  async fetch({ provider, org, repo }) {
+    return this._requestJson({
+      schema,
+      url: `https://api.coderabbit.ai/stats/${provider}/${org}/${repo}`,
+      httpErrors: {
+        404: 'invalid',
+      },
+    })
+  }
+
+  async handle({ provider, org, repo }) {
+    try {
+      const data = await this.fetch({ provider, org, repo })
+      return this.constructor.render(data)
+    } catch (error) {
+      return this.constructor.renderError({ message: error.message })
+    }
+  }
+}
+
+export default CodeRabbitStats

services/coderabbit/coderabbit-stats.tester.js

@@ -0,0 +1,54 @@
+import { createServiceTester } from '../tester.js'
+
+export const t = await createServiceTester()
+
+t.create('live CodeRabbitStats')
+  .get('/stats/github/coderabbitai/ast-grep-essentials.json')
+  .expectBadge({
+    label: 'CodeRabbit',
+    message: /^\d+ Reviews$/, // Using regex pattern instead of isMetric
+    color: '#ff570a',
+    labelColor: '#171717',
+  })
+
+t.create('CodeRabbitStats valid repo')
+  .get('/stats/github/coderabbitai/ast-grep-essentials.json')
+  .intercept(nock =>
+    nock('https://api.coderabbit.ai')
+      .get('/stats/github/coderabbitai/ast-grep-essentials')
+      .reply(200, { reviews: 101 }),
+  )
+  .expectBadge({
+    label: 'CodeRabbit',
+    message: '101 Reviews',
+    color: '#ff570a',
+    labelColor: '#171717',
+  })
+
+t.create('CodeRabbitStats repo not found')
+  .get('/stats/github/not-valid/not-found.json')
+  .intercept(nock =>
+    nock('https://api.coderabbit.ai')
+      .get('/stats/github/not-valid/not-found')
+      .reply(404, 'invalid'),
+  )
+  .expectBadge({
+    label: 'CodeRabbit',
+    message: 'Not Found: invalid',
+    color: '#9f9f9f', // Note: without # prefix
+    labelColor: '#171717', // Note: without # prefix
+  })
+
+t.create('CodeRabbitStats server error')
+  .get('/stats/github/coderabbitai/error-repo.json')
+  .intercept(nock =>
+    nock('https://api.coderabbit.ai')
+      .get('/stats/github/coderabbitai/error-repo')
+      .reply(500, 'Internal Server Error'),
+  )
+  .expectBadge({
+    label: 'CodeRabbit',
+    message: 'Inaccessible: Got status code 500 (expected 200)', // Match exact error message
+    color: '#9f9f9f',
+    labelColor: '#171717',
+  })