Backend: Make API Response consistent.

Ensure API Response for nrccMessages.message always an array ([])

Signed-off-by: Fred Boniface <fred@fjla.uk>

src/services/ldb.services.js

@@ -22,6 +22,10 @@ async function get(body, id){
         var crs = obj[0]['3ALPHA'];
         log.out(`ldbService.get: Determined CRS for lookup to be: ${crs}`);
         var data = await arrDepBoard(crs);
+        if (data.GetStationBoardResult.nrccMessages) {
+            var msg = await util.cleanMessages(data.GetStationBoardResult.nrccMessages);
+            data.GetStationBoardResult.nrccMessages.message = msg;
+        }
     } catch (err) {
         log.out(`ldbService.get: Error, Unable to find CRS: ${err}`)
         var data = {ERROR:'NOT_FOUND',description:'The entered station was not found.  Please check and try again.'};

src/utils/ldb.utils.js

@@ -1,5 +1,6 @@
 const log  = require('../utils/log.utils');            // Log Helper
 const db   = require('../services/dbAccess.services') // DB Access
+const san  = require('../utils/sanitizer.utils')     // Sanitiser
 
 async function checkCrs(input){
     var INPUT = input.toUpperCase()
@@ -10,6 +11,19 @@ async function checkCrs(input){
     return result
 }
 
+async function cleanMessages(input){
+    var out = []
+    if (typeof input.message == "string") {
+        out.push(await san.cleanNrcc(input.message))
+    } else if (typeof input.message == "object") {
+        for(var i = 0; i < input.message.length; i++) {
+            out.push(await san.cleanNrcc(input.message[i]))
+        }
+    }
+    return out;
+}
+
 module.exports = {
-    checkCrs
+    checkCrs,
+    cleanMessages
 }

src/utils/sanitizer.utils.js

@@ -32,7 +32,14 @@ function cleanApiEndpointNum(input) {
     return output
 }
 
+function cleanNrcc(input) {
+    var rmNewline = input.replace(/[\n\r]/g, ""); // Remove newlines
+    var rmPara = rmNewline.replace(/<\/?p[^>]*>/g, ""); // Remove <p> & </p>
+    return rmPara;
+}
+
 module.exports = {
     cleanApiEndpointTxt,
-    cleanApiEndpointNum
+    cleanApiEndpointNum,
+    cleanNrcc
 }