Update log methods

app.js

@@ -9,18 +9,19 @@ const express  = require('express');
 const app      = express();
 
 // Internal Requires
-const version  = require('./src/configs/version.configs');
-const testRtr  = require('./src/routes/test.routes');
-const listRtr  = require('./src/routes/list.routes');
-const ldbRtr   = require('./src/routes/ldb.routes');
-const kubeRtr  = require('./src/routes/kube.routes');
+const log      = require('./src/utils/log.utils');          // Log Helper
+const version  = require('./src/configs/version.configs');  // Version Strings
+const listRtr  = require('./src/routes/list.routes');       // /list endpoints
+const ldbRtr   = require('./src/routes/ldb.routes');        // /ldb endpoints
+const kubeRtr  = require('./src/routes/kube.routes');       // /kube endpoints
+const initDb   = require('./src/utils/dbinit.utils')        // DB Init Utility
 
 // Set Server Configurations
 const srvListen = process.env.OWL_SRV_LISTEN || "0.0.0.0"
 const srvPort   = process.env.OWL_SRV_PORT || 8460
 
 // Print version number:
-console.log(`Starting OwlBoard - App Version: ${version.app} - API versions: ${version.api}`);
+log.out(`Starting OwlBoard - App Version: ${version.app} - API versions: ${version.api}`);
 
 // Test for required vars:
     // const varTest = require('./src/utils/varTest.utils');
@@ -31,6 +32,9 @@ console.log(`Starting OwlBoard - App Version: ${version.app} - API versions: ${v
           // console.log("Unable to start, missing required vars")
           // exit app
 
+// DB Init
+initDb.check();
+
 // Express Error Handling:
 app.use((err, req, res, next) => {
   const statusCode = err.statuscode || 500;
@@ -51,8 +55,9 @@ app.use('/api/v1/kube', kubeRtr);
 // Start Express
 app.listen(srvPort, srvListen, (error) =>{
   if(!error) {
-      console.log(`Started server on http://${srvListen}:${srvPort}`);
+      log.out(`Server: Started on http://${srvListen}:${srvPort}`);
+      log.out("State: alive")
   } else {
-      console.log("Error occurred, server can't start", error);
+      log.out("Error occurred, server can't start", error);
   }
 });

src/services/corpus.services.js

@@ -9,6 +9,8 @@
 //  extract()     : Extract the CORPUS JSON file from the GZIP file.
 //  clean()       : Cleans the CORPUS data, removing unneccesary non-stations from the data.
 
+const log      = require('../utils/log.utils');          // Log Helper
+
 const axios  = require('axios')
 const gz     = require('node-gzip')
 
@@ -27,6 +29,7 @@ async function get(){
 }
 
 async function fetch() {
+    log.out("Corpus: Fetching CORPUS Data from Network Rail")
     authHead = Buffer.from(`${corpusUser}:${corpusPass}`).toString('base64')
     const url = 'https://datafeeds.networkrail.co.uk/ntrod/SupportingFileAuthenticate?type=CORPUS'
     const options = {
@@ -35,11 +38,18 @@ async function fetch() {
         headers: {'Authorization': `Basic ${authHead}`},
         responseType: 'arraybuffer'
     }
-    var { data } = await axios.get(url, options)
+    try {
+        var { data } = await axios.get(url, options)
+        log.out("Corpus: CORPUS Data fetched")
+    } catch (error) {
+        log.out("Corpus: Error fetching CORPUS")
+        log.out(error)
+    }
     return data
 }
 
 async function extract(input) {
+    log.out(`Corpus: Extracting CORPUS archive`)
     var raw = await gz.ungzip(input)
     var obj = await JSON.parse(raw)
     var output = obj.TIPLOCDATA
@@ -47,6 +57,7 @@ async function extract(input) {
 }
 
 async function clean(input) {
+    log.out(`Corpus: Removing non-stations from CORPUS data`)
     let clean = [];
     for (const element of input) {
         if (element.STANOX != ' ' && element['3ALPHA'] != ' '){

src/services/dbAccess.services.js

@@ -1,3 +1,5 @@
+const log      = require('../utils/log.utils');          // Log Helper
+
 const dbUser = process.env.OWL_DB_USER || "owl"
 const dbPass = process.env.OWL_DB_PASS || "twittwoo"
 const dbName = process.env.OWL_DB_NAME || "owlboard"
@@ -10,39 +12,52 @@ const { MongoClient } = require('mongodb');
 const client = new MongoClient(uri);
 const db = client.db(dbName);
 
+
 async function putCorpus(data){
+    log.out("DbAccess: Uploading Corpus data to database")
     await client.connect();
     var coll = db.collection("corpus");
-    var result = coll.insertMany(data);
-    console.log(result);
+    try {
+        await coll.insertMany(data);
+        log.out("DbAccess: Corpus upload complete")
+    } catch (error) {
+        log.out("DbAccess: Error uploading Corpus data to database")
+        log.out(error)
+    }
 };
 
 async function putStations(data){
+    log.out("DbAccess: Uploading Stations data to database")
     await client.connect();
     var coll = db.collection("stations");
-    var result = coll.insertMany(data);
-    console.log(result);
+    try {
+        coll.insertMany(data);
+        log.out("DbAccess: Stations upload complete")
+    } catch (error) {
+        log.out("DbAccess: Error uploading Stations data to database")
+        log.out(error)
+    }
 };
 
 async function putMeta(data){
     await client.connect();
     var coll = db.collection("meta");
-    var result = coll.insertMany(data);
-    console.log(result);
+    coll.insertMany(data);
 }
 
 //async function putData(data,collection) {
 //    await client.connect()
 //    var coll = db.collection(collection);
 //    var result = coll.insertMany(data);
-//    console.log(result);
+//    log.out(result);
 //};
 
 async function query(collection, query){
     await client.connect();
-    var coll = db.collection(collection);
-    var result = coll.find(query) //???
-
+    let qcoll = db.collection(collection);
+    let qcursor = qcoll.find(query)
+    let qresult = await qcursor.toArray();
+    return qresult;
 }
 
 module.exports = {

src/services/ldb.services.js

@@ -7,6 +7,8 @@
 
 //  convertTiploc(TIPLOC)  : Exported: Looks up CRS, Name & STANOX for Tiploc
 
+const log      = require('../utils/log.utils');          // Log Helper
+
 const ldb  = require('ldbs-json')
 const util = require('../utils/ldb.utils')
 
@@ -27,6 +29,7 @@ async function get(body, id){
 
 async function arrDepBoard(CRS){
     var valid = await util.checkCrs(CRS)
+    log.out(`ldbService: Fetching ArrDep Board for ${CRS}`)
     if (valid != false){
         var options = {
             numRows: 10,

src/utils/dbinit.utils.js

@@ -3,6 +3,7 @@
 //  check()  : 
 //  build()  : Adds CORPUS Data to DB.
 
+const log      = require('../utils/log.utils');          // Log Helper
 const corpus   = require('../services/corpus.services');
 const dbAccess = require('../services/dbAccess.services');
 
@@ -12,27 +13,36 @@ async function init(){
 }
 
 async function check(){
-    // Check meta collection for last update
-    // If last update more than 14 days () ago then return false
-    // Check corpus and stations collections exist.  If not return false
-    // Return true if checks pass.
+    log.out("DbInit: Checking database state")
+    let test = {'collection': 'any'};
+    try {
+        let meta = await dbAccess.query('meta',test);
+        log.out(`DbInit: Reading Database Collection: meta`);
+    } catch (error) {log.out(error)}  
+    if (false){
+        log.out("DbInit: Database structure not initialised")
+        build("all")
+    }
 }
 
 async function build(db){  // `db` must be one of: `corpus`, `stations`, `all`.
+    log.out("DbInit: Building database structure")
     var corpusAll = await corpus.get();
     if (db === "corpus" || "all") {
         dbAccess.putCorpus(corpusAll);
-        meta = {collection:"any",updated:Math.floor(Date.now() / 1000)};
+        meta = [{collection:"any",updated:Math.floor(Date.now() / 1000)}];
         dbAccess.putMeta(meta);
     }
     if (db === "stations" || "all") {
         var corpusSubset = await corpus.subset(corpusAll);
         dbAccess.putStations(corpusSubset);
-        meta = {collection:"any",updated:Math.floor(Date.now() / 1000)};
+        meta = [{collection:"any",updated:Math.floor(Date.now() / 1000)}];
         dbAccess.putMeta(meta);
     }
 }
 
 module.exports = {
-    init
+    init,
+    check,
+    build
 }

src/utils/ldb.utils.js

@@ -1,3 +1,5 @@
+const log      = require('../utils/log.utils');          // Log Helper
+
 async function checkCrs(input){
     // Check whether CRS is valid
     // if not, try to get tiploc

src/utils/log.utils.js

@@ -0,0 +1,8 @@
+function out(msg) {
+    var time = new Date().toISOString();
+    console.log(`${time} - ${msg}`)
+}
+
+module.exports = {
+    out
+}