move [Discourse] url to query param (#4020)

* refactor: switch Discourse url to query param

* tests: fix e2e test with Discourse example

* refactor(Discourse): change query param name to server

* tests: update e2e test with new discourse param name

cypress/integration/main-page.spec.js

@@ -27,7 +27,7 @@ describe('Main page', function() {
     expectBadgeExample(
       'Discourse status',
       'http://localhost:8080/badge/discourse-online-brightgreen',
-      '/discourse/:scheme/:host/status'
+      '/discourse/status?server=https%3A%2F%2Fmeta.discourse.org'
     )
   })
 

services/discourse/discourse-redirect.service.js

@@ -0,0 +1,18 @@
+'use strict'
+
+const { redirector } = require('..')
+
+module.exports = [
+  redirector({
+    category: 'chat',
+    route: {
+      base: 'discourse',
+      pattern: ':protocol(http|https)/:hostAndPath(.+)/:metric',
+    },
+    transformPath: ({ metric }) => `/discourse/${metric}`,
+    transformQueryParams: ({ protocol, hostAndPath }) => ({
+      server: `${protocol}://${hostAndPath}`,
+    }),
+    dateAdded: new Date('2019-09-15'),
+  }),
+]

services/discourse/discourse-redirect.tester.js

@@ -0,0 +1,69 @@
+'use strict'
+
+const { ServiceTester } = require('../tester')
+
+const t = (module.exports = new ServiceTester({
+  id: 'DiscourseRedirect',
+  title: 'DiscourseRedirect',
+  pathPrefix: '/discourse',
+}))
+
+t.create('discourse status')
+  .get('/https/meta.discourse.org/status.svg', {
+    followRedirect: false,
+  })
+  .expectStatus(301)
+  .expectHeader(
+    'Location',
+    `/discourse/status.svg?server=${encodeURIComponent(
+      'https://meta.discourse.org'
+    )}`
+  )
+
+t.create('discourse topics')
+  .get('/https/meta.discourse.org/topics.svg', {
+    followRedirect: false,
+  })
+  .expectStatus(301)
+  .expectHeader(
+    'Location',
+    `/discourse/topics.svg?server=${encodeURIComponent(
+      'https://meta.discourse.org'
+    )}`
+  )
+
+t.create('discourse users')
+  .get('/https/meta.discourse.org/users.svg', {
+    followRedirect: false,
+  })
+  .expectStatus(301)
+  .expectHeader(
+    'Location',
+    `/discourse/users.svg?server=${encodeURIComponent(
+      'https://meta.discourse.org'
+    )}`
+  )
+
+t.create('discourse likes')
+  .get('/https/meta.discourse.org/likes.svg', {
+    followRedirect: false,
+  })
+  .expectStatus(301)
+  .expectHeader(
+    'Location',
+    `/discourse/likes.svg?server=${encodeURIComponent(
+      'https://meta.discourse.org'
+    )}`
+  )
+
+t.create('discourse posts')
+  .get('/https/meta.discourse.org/posts.svg', {
+    followRedirect: false,
+  })
+  .expectStatus(301)
+  .expectHeader(
+    'Location',
+    `/discourse/posts.svg?server=${encodeURIComponent(
+      'https://meta.discourse.org'
+    )}`
+  )

services/discourse/discourse.service.js

@@ -3,7 +3,7 @@
 const camelcase = require('camelcase')
 const Joi = require('@hapi/joi')
 const { metric } = require('../text-formatters')
-const { nonNegativeInteger } = require('../validators')
+const { nonNegativeInteger, optionalUrl } = require('../validators')
 const { BaseJsonService } = require('..')
 
 const schema = Joi.object({
@@ -13,6 +13,10 @@ const schema = Joi.object({
   like_count: nonNegativeInteger,
 }).required()
 
+const queryParamSchema = Joi.object({
+  server: optionalUrl.required(),
+}).required()
+
 class DiscourseBase extends BaseJsonService {
   static get category() {
     return 'chat'
@@ -21,9 +25,8 @@ class DiscourseBase extends BaseJsonService {
   static buildRoute(metric) {
     return {
       base: 'discourse',
-      // Do not base new services on this route pattern.
-      // See https://github.com/badges/shields/issues/3714
-      pattern: `:scheme(http|https)/:host/${metric}`,
+      pattern: metric,
+      queryParamSchema,
     }
   }
 
@@ -31,10 +34,10 @@ class DiscourseBase extends BaseJsonService {
     return { label: 'discourse' }
   }
 
-  async fetch({ scheme, host }) {
+  async fetch({ server }) {
     return this._requestJson({
       schema,
-      url: `${scheme}://${host}/site/statistics.json`,
+      url: `${server}/site/statistics.json`,
     })
   }
 }
@@ -55,9 +58,9 @@ function DiscourseMetricIntegrationFactory({ metricName, property }) {
       return [
         {
           title: `Discourse ${metricName}`,
-          namedParams: {
-            scheme: 'https',
-            host: 'meta.discourse.org',
+          namedParams: {},
+          queryParams: {
+            server: 'https://meta.discourse.org',
           },
           staticPreview: this.render({ stat: 100 }),
         },
@@ -71,8 +74,8 @@ function DiscourseMetricIntegrationFactory({ metricName, property }) {
       }
     }
 
-    async handle({ scheme, host }) {
-      const data = await this.fetch({ scheme, host })
+    async handle(_routeParams, { server }) {
+      const data = await this.fetch({ server })
       return this.constructor.render({ stat: data[property] })
     }
   }
@@ -87,9 +90,9 @@ class DiscourseStatus extends DiscourseBase {
     return [
       {
         title: `Discourse status`,
-        namedParams: {
-          scheme: 'https',
-          host: 'meta.discourse.org',
+        namedParams: {},
+        queryParams: {
+          server: 'https://meta.discourse.org',
         },
         staticPreview: this.render(),
       },
@@ -103,8 +106,8 @@ class DiscourseStatus extends DiscourseBase {
     }
   }
 
-  async handle({ scheme, host }) {
-    await this.fetch({ scheme, host })
+  async handle(_routeParams, { server }) {
+    await this.fetch({ server })
     // if fetch() worked, the server is up
     // if it failed, we'll show an error e.g: 'inaccessible'
     return this.constructor.render()

services/discourse/discourse.tester.js

@@ -26,7 +26,7 @@ const data = {
 }
 
 t.create('Topics')
-  .get('/https/meta.discourse.org/topics.json')
+  .get('/topics.json?server=https://meta.discourse.org')
   .intercept(nock =>
     nock('https://meta.discourse.org')
       .get('/site/statistics.json')
@@ -35,7 +35,7 @@ t.create('Topics')
   .expectBadge({ label: 'discourse', message: '23k topics' })
 
 t.create('Posts')
-  .get('/https/meta.discourse.org/posts.json')
+  .get('/posts.json?server=https://meta.discourse.org')
   .intercept(nock =>
     nock('https://meta.discourse.org')
       .get('/site/statistics.json')
@@ -44,7 +44,7 @@ t.create('Posts')
   .expectBadge({ label: 'discourse', message: '338k posts' })
 
 t.create('Users')
-  .get('/https/meta.discourse.org/users.json')
+  .get('/users.json?server=https://meta.discourse.org')
   .intercept(nock =>
     nock('https://meta.discourse.org')
       .get('/site/statistics.json')
@@ -53,7 +53,7 @@ t.create('Users')
   .expectBadge({ label: 'discourse', message: '31k users' })
 
 t.create('Likes')
-  .get('/https/meta.discourse.org/likes.json')
+  .get('/likes.json?server=https://meta.discourse.org')
   .intercept(nock =>
     nock('https://meta.discourse.org')
       .get('/site/statistics.json')
@@ -62,7 +62,7 @@ t.create('Likes')
   .expectBadge({ label: 'discourse', message: '309k likes' })
 
 t.create('Status')
-  .get('/https/meta.discourse.org/status.json')
+  .get('/status.json?server=https://meta.discourse.org')
   .intercept(nock =>
     nock('https://meta.discourse.org')
       .get('/site/statistics.json')
@@ -71,7 +71,7 @@ t.create('Status')
   .expectBadge({ label: 'discourse', message: 'online' })
 
 t.create('Status with http (not https)')
-  .get('/http/meta.discourse.org/status.json')
+  .get('/status.json?server=http://meta.discourse.org')
   .intercept(nock =>
     nock('http://meta.discourse.org')
       .get('/site/statistics.json')
@@ -79,13 +79,8 @@ t.create('Status with http (not https)')
   )
   .expectBadge({ label: 'discourse', message: 'online' })
 
-t.create('Status (offline)')
-  .get('/https/meta.discourse.org/status.json')
-  .networkOff()
-  .expectBadge({ label: 'discourse', message: 'inaccessible' })
-
 t.create('Invalid Host')
-  .get('/https/some.host/status.json')
+  .get('/status.json?server=https://some.host')
   .intercept(nock =>
     nock('https://some.host')
       .get('/site/statistics.json')
@@ -94,7 +89,7 @@ t.create('Invalid Host')
   .expectBadge({ label: 'discourse', message: 'not found' })
 
 t.create('Topics')
-  .get('/https/meta.discourse.org/topics.json')
+  .get('/topics.json?server=https://meta.discourse.org')
   .expectBadge({
     label: 'discourse',
     message: Joi.string().regex(
@@ -103,7 +98,7 @@ t.create('Topics')
   })
 
 t.create('Posts')
-  .get('/https/meta.discourse.org/posts.json')
+  .get('/posts.json?server=https://meta.discourse.org')
   .expectBadge({
     label: 'discourse',
     message: Joi.string().regex(
@@ -112,7 +107,7 @@ t.create('Posts')
   })
 
 t.create('Users')
-  .get('/https/meta.discourse.org/users.json')
+  .get('/users.json?server=https://meta.discourse.org')
   .expectBadge({
     label: 'discourse',
     message: Joi.string().regex(
@@ -121,7 +116,7 @@ t.create('Users')
   })
 
 t.create('Likes')
-  .get('/https/meta.discourse.org/likes.json')
+  .get('/likes.json?server=https://meta.discourse.org')
   .expectBadge({
     label: 'discourse',
     message: Joi.string().regex(
@@ -130,5 +125,5 @@ t.create('Likes')
   })
 
 t.create('Status')
-  .get('/https/meta.discourse.org/status.json')
+  .get('/status.json?server=https://meta.discourse.org')
   .expectBadge({ label: 'discourse', message: 'online' })