Add [GitHubDiscussionsSearch] and GitHubRepoDiscussionsSearch service

services/github/github-discussions-custom-search.service.js

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+import gql from 'graphql-tag'
+import Joi from 'joi'
+import { metric } from '../text-formatters.js'
+import { nonNegativeInteger } from '../validators.js'
+import { GithubAuthV4Service } from './github-auth-service.js'
+import { documentation, transformErrors } from './github-helpers.js'
+
+const discussionsSearchDocs = `
+For a full list of available filters and allowed values that can be used in the <code>query</code>,
+see GitHub's documentation on
+[Searching duscussions](https://docs.github.com/en/search-github/searching-on-github/searching-discussions).
+${documentation}
+`
+
+const discussionCountSchema = Joi.object({
+  data: Joi.object({
+    search: Joi.object({
+      discussionCount: nonNegativeInteger,
+    }).required(),
+  }).required(),
+}).required()
+
+const queryParamSchema = Joi.object({
+  query: Joi.string().required(),
+}).required()
+
+class BaseGithubDiscussionsSearch extends GithubAuthV4Service {
+  static category = 'other'
+  static defaultBadgeData = { label: 'query', color: 'informational' }
+
+  static render({ discussionCount }) {
+    return { message: metric(discussionCount) }
+  }
+
+  async fetch({ query }) {
+    const data = await this._requestGraphql({
+      query: gql`
+        query ($query: String!) {
+          search(query: $query, type: DISCUSSION) {
+            discussionCount
+          }
+        }
+      `,
+      variables: { query },
+      schema: discussionCountSchema,
+      transformErrors,
+    })
+    return data.data.search.discussionCount
+  }
+}
+
+class GithubDiscussionsSearch extends BaseGithubDiscussionsSearch {
+  static route = {
+    base: 'github',
+    pattern: 'discussions-search',
+    queryParamSchema,
+  }
+
+  static examples = [
+    {
+      title: 'GitHub discussions custom search',
+      namedParams: {},
+      queryParams: {
+        query: 'repo:badges/shields is:answered answered-by:chris48s',
+      },
+      staticPreview: {
+        label: 'query',
+        message: '2',
+        color: 'blue',
+      },
+      documentation: discussionsSearchDocs,
+    },
+  ]
+
+  async handle(namedParams, { query }) {
+    const discussionCount = await this.fetch({ query })
+    return this.constructor.render({ discussionCount })
+  }
+}
+
+class GithubRepoDiscussionsSearch extends BaseGithubDiscussionsSearch {
+  static route = {
+    base: 'github',
+    pattern: 'discussions-search/:user/:repo',
+    queryParamSchema,
+  }
+
+  static examples = [
+    {
+      title: 'GitHub discussions custom search in repo',
+      namedParams: {
+        user: 'badges',
+        repo: 'shields',
+      },
+      queryParams: {
+        query: 'is:answered answered-by:chris48s',
+      },
+      staticPreview: {
+        label: 'query',
+        message: '2',
+        color: 'blue',
+      },
+      documentation: discussionsSearchDocs,
+    },
+  ]
+
+  async handle({ user, repo }, { query }) {
+    query = `repo:${user}/${repo} ${query}`
+    const discussionCount = await this.fetch({ query })
+    return this.constructor.render({ discussionCount })
+  }
+}
+
+export { GithubDiscussionsSearch, GithubRepoDiscussionsSearch }

services/github/github-discussions-custom-search.tester.js

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+import { isMetric } from '../test-validators.js'
+import { ServiceTester } from '../tester.js'
+export const t = new ServiceTester({
+  id: 'GithubDiscussionsSearch',
+  title: 'Github Discussions Search',
+  pathPrefix: '/github',
+})
+
+t.create('GitHub discussions search (valid query string)')
+  .get(
+    '/discussions-search.json?query=repo%3Abadges%2Fshields%20is%3Aanswered%20author%3Achris48s'
+  )
+  .expectBadge({
+    label: 'query',
+    message: isMetric,
+  })
+
+t.create('GitHub discussions search (invalid query string)')
+  .get('/discussions-search.json?query=')
+  .expectBadge({
+    label: 'query',
+    message: 'invalid query parameter: query',
+  })
+
+t.create('GitHub Repo discussions search (valid query string)')
+  .get(
+    '/discussions-search/badges/shields.json?query=is%3Aanswered%20author%3Achris48s'
+  )
+  .expectBadge({
+    label: 'query',
+    message: isMetric,
+  })
+
+t.create('GitHub Repo discussions search (invalid query string)')
+  .get('/discussions-search/badges/shields.json?query=')
+  .expectBadge({
+    label: 'query',
+    message: 'invalid query parameter: query',
+  })
+
+t.create('GitHub Repo discussions search (invalid repo)')
+  .get(
+    '/discussions-search/badges/helmets.json?query=is%3Aanswered%20author%3Achris48s'
+  )
+  .expectBadge({
+    label: 'query',
+    message: '0',
+  })