badge(nuget): Add total downloads support (#536)

api/nuget.ts

@@ -1,16 +1,18 @@
 import got from '../libs/got'
-import { version, versionColor } from '../libs/utils'
+import { millify, version, versionColor } from '../libs/utils'
 import { createBadgenHandler, PathArgs } from '../libs/create-badgen-handler'
 
 export default createBadgenHandler({
-  title: 'Nuget',
+  title: 'NuGet',
   examples: {
-    '/nuget/v/newtonsoft.json': 'version (stable channel)',
-    '/nuget/v/newtonsoft.json/pre': 'version (pre channel)',
-    '/nuget/v/newtonsoft.json/latest': 'version (latest channel)',
+    '/nuget/v/Newtonsoft.Json': 'version (stable channel)',
+    '/nuget/v/Newtonsoft.Json/pre': 'version (pre channel)',
+    '/nuget/v/Newtonsoft.Json/latest': 'version (latest channel)',
+    '/nuget/dt/Newtonsoft.Json': 'total downloads',
   },
   handlers: {
-    '/nuget/v/:project/:channel?': handler
+    '/nuget/v/:project/:channel?': handler,
+    '/nuget/dt/:project': downloads
   }
 })
 
@@ -19,7 +21,7 @@ const stable = versions => versions.filter(v => !v.includes('-'))
 const latest = versions => versions.length > 0 && versions.slice(-1)[0]
 
 async function handler ({ project, channel }: PathArgs) {
-  const endpoint = `https://api.nuget.org/v3-flatcontainer/${project}/index.json`
+  const endpoint = `https://api.nuget.org/v3-flatcontainer/${project.toLowerCase()}/index.json`
   const { versions } = await got(endpoint).json<any>()
 
   let ver = ''
@@ -45,3 +47,19 @@ async function handler ({ project, channel }: PathArgs) {
     color: versionColor(ver)
   }
 }
+
+async function downloads ({ project }: PathArgs) {
+  const endpoint = `https://azuresearch-usnc.nuget.org/query`
+  const searchParams = {
+    q: `packageid:${project.toLowerCase()}`,
+    prerelease: true,
+    semVerLevel: 2
+  }
+  const { data } = await got.get(endpoint, { searchParams }).json<any>()
+
+  return {
+    subject: 'downloads',
+    status: millify(data[0].totalDownloads),
+    color: 'green'
+  }
+}