Initial pass at inserting bill run in db

We update our `createBillRun` controller to create a record for the bill run in the db. We initially hardcode the financial year fields just to get it working, with the intention of pulling these through properly from the request in a later commit

app/controllers/bill-runs.controller.js

@@ -9,19 +9,41 @@ const Boom = require('@hapi/boom')
 
 const CreateBillRunValidator = require('../validators/bill-runs/create-bill-run.validator')
 
+const BillingBatchModel = require('../models/billing-batch.model')
+
 async function createBillRun (request, _h) {
   const validatedData = CreateBillRunValidator.go(request.payload)
 
   if (validatedData.error) {
     return _formattedValidationError(validatedData.error)
   }
 
+  const { type, scheme, region } = validatedData.value
+
+  let billRun
+
+  try {
+    billRun = await BillingBatchModel
+      .query()
+      .insert({
+        batchType: type,
+        scheme,
+        regionId: region,
+        fromFinancialYearEnding: 2022,
+        toFinancialYearEnding: 2022,
+        status: 'ready'
+      })
+      .returning('*')
+  } catch (error) {
+    console.log('🚀 ~ file: bill-runs.controller.js:34 ~ createBillRun ~ error', error)
+  }
+
   return {
-    id: 'DUMMY_SROC_BATCH',
-    region: validatedData.value.region,
-    scheme: validatedData.value.scheme,
-    type: validatedData.value.type,
-    status: 'ready'
+    id: billRun.billingBatchId,
+    region: billRun.regionId,
+    scheme: billRun.scheme,
+    type: billRun.batchType,
+    status: billRun.status
   }
 }