Add POST route for extract new format BAN from multi cog

lib/api/extract/routes.js

@@ -3,12 +3,11 @@ import {streamBanDataFromCog, testIsEnabledCog} from './models.js'
 
 const app = new express.Router()
 
-app.get('/cog/:cog?', async (req, res) => {
+const banFormatMiddleware = async (req, res, next) => {
   let response
   try {
-    const {cog} = req.params
-    const cogList = cog && [cog]
-    const fileName = cog ? `ban_${cog}.json` : 'ban_france.json'
+    const {cogList} = req.params
+    const fileName = cogList ? `ban_${cogList.join('_')}.json` : 'ban_france.json'
 
     const checkCog = (
       await Promise.all(
@@ -50,6 +49,26 @@ app.get('/cog/:cog?', async (req, res) => {
   }
 
   res.send(response)
-})
+
+  next()
+}
+
+app.get(
+  '/cog/:cog?',
+  (req, res, next) => {
+    const {cog} = req.params
+    req.params.cogList = cog ? [cog] : null
+    next()
+  },
+  banFormatMiddleware
+)
+app.post(
+  '/cog',
+  (req, res, next) => {
+    req.params.cogList = req.body.cogList.map(cog => cog.toString().padStart(5, '0'))
+    next()
+  },
+  banFormatMiddleware
+)
 
 export default app