add logging and exception handling (Task 2)

.gitignore

@@ -1,2 +1,3 @@
 /node_modules
-/dist
+/dist
+*.log

data/DodgyTransactions2015.csv

@@ -0,0 +1,52 @@
+Date,From,To,Narrative,Amount
+01/01/2015,Laura B,Sarah T,Misc Morale,10.54
+04/01/2015,Stephen S,Gergana I,Lunch,3.22
+07/01/2015,Ben B,Jon A,Fantasy Football,9.93
+11/01/2015,Ben B,Todd,Lunch,7.33
+12/01/2015,Laura B,Ben B,Beers,8.94
+15/01/2015,Todd,Rob S,Beers,10.19
+16/01/2015,Laura B,Jon A,Lego Assistance,0.69
+18/01/2015,Jon A,Sarah T,Coffee,10.73
+22/01/2015,Gergana I,Todd,Coffee,0.8
+24/01/2015,Gergana I,Chris W,Coffee,8.49
+27/01/2015,Laura B,Tim L,Jenkins Fees,0.52
+29/01/2015,Sam N,Chris W,Lunch,9.01
+01/02/2015,Stephen S,Laura B,Coffee,7.53
+02/02/2015,Stephen S,Rob S,Fantasy Football,7.43
+04/02/2015,Rob S,Stephen S,Fantasy Football,5.78
+06/02/2015,Dan W,Gergana I,Automated Testing Services,10.29
+07/02/2015,Jon A,Chris W,Rails Consultancy,7.37
+10/02/2015,Sam N,Gergana I,Sandbox Help,9.84
+11/02/2015,Chris W,Stephen S,Misc Morale,0.68
+13/02/2015,Laura B,Gergana I,Beers,6.56
+16/02/2015,Chris W,Dan W,Jenkins Fees,1.28
+17/02/2015,Sarah T,Dan W,Sandbox Help,11.48
+18/02/2015,Stephen S,Rob S,Lego Assistance,4.83
+21/02/2015,Dan W,Ben B,Pokemon Training,0.5
+24/02/2015,Todd,Gergana I,Coffee,9.08
+26/02/2015,Stephen S,Jon A,Pokemon Training,4.23
+01/03/2015,Ben B,Sam N,Lunch,One Cheeseburger
+02/03/2015,Todd,Chris W,Sandbox Help,1.92
+04/03/2015,Laura B,Jon A,Sandcastle Help,9.09
+06/03/2015,Stephen S,Gergana I,Lego Assistance,9.4
+08/03/2015,Ben B,Sam N,Pokemon Training,11.32
+11/03/2015,Stephen S,Jon A,Sandcastle Help,11.57
+15/03/2015,Todd,Sam N,Pokemon Training,2.29
+19/03/2015,Laura B,Chris W,Coffee,9.96
+21/03/2015,Jon A,Gergana I,Beers,7.54
+25/03/2015,Gergana I,Ben B,Automated Testing Services,2.39
+28/03/2015,Stephen S,Tim L,Lunch,5.83
+29/03/2015,Gergana I,Ben B,Audit and Other Financial Services,10.85
+30/03/2015,Tim L,Todd,Pokemon Training,8.6
+02/04/2015,Stephen S,Chris W,Pokemon Training,1.11
+05/04/2015,Chris W,Ben B,Lunch,0.96
+09/04/2015,Chris W,Rob S,Audit and Other Financial Services,11.79
+12/04/2015,Gergana I,Laura B,Stationary Items,8.37
+13/04/2015,Laura B,Tim L,Services Rendered,1.27
+15/04/2015,Ben B,Sam N,Lego Assistance,8.5
+19/04/2015,Stephen S,Chris W,White Water Rafting,8.91
+23/04/2015,Tim L,Todd,Misc Morale,8.1
+24/04/2015,Tim L,Sarah T,Arcade Social,6.38
+26/04/2015,Jon A,Todd,Stationary Items,8.44
+27/04/2015,Ben B,Jon A,Pokemon Training,10.91
+Last Thursday,Sarah T,Dan W,Beers,5.42

import/csvService.ts

@@ -0,0 +1,22 @@
+import { readFileSync } from "fs";
+import { parse } from "csv-parse/sync";
+import type { TransactionRecord } from "../types/transactionRecord";
+import type { FileDataRecord } from "../types/fileDataRecord";
+import { getParsedObjectsToTransactionRecords } from "../utils/parseObjectToTransactionRecord";
+
+const HEADERS = ["Date", "From", "To", "Narrative", "Amount"];
+
+export const csvService = (filePath: string): TransactionRecord[] => {
+  const fileContent = readFileSync(filePath, { encoding: "utf-8" });
+
+  const records = parse(fileContent, {
+    delimiter: ",",
+    columns: HEADERS,
+    from_line: 2,
+  });
+
+  let transactionRecords: TransactionRecord[] =
+    getParsedObjectsToTransactionRecords(records as FileDataRecord[]);
+
+  return transactionRecords;
+};

interface/menu.ts

@@ -1,5 +1,5 @@
 import { AccountManager } from "../account/accountManager";
-import { getTransactionData } from "../utils/getTransactionData";
+import { csvService } from "../import/csvService";
 import { convertPenceToPounds } from "../utils/penceConverter";
 import { getUserInput } from "../utils/getUserInput";
 import type { TransactionRecord } from "../types/transactionRecord";
@@ -83,8 +83,11 @@ export class Menu {
   };
 
   #loadTransactionRecords = () => {
-    const transactionRecords = getTransactionData(
-      "./data/Transactions2014.csv",
+    // const transactionRecords = getTransactionData(
+    //   "./data/Transactions2014.csv",
+    // );
+    const transactionRecords = csvService(
+      "./data/DodgyTransactions2015.csv",
     );
     transactionRecords.forEach((record) => {
       this.accountManager.addTransactionRecord(record);

package.json

@@ -12,10 +12,10 @@
   },
   "license": "ISC",
   "author": "",
-  "type": "module",
+  "type": "commonjs",
   "main": "index.ts",
   "scripts": {
-    "start": "tsc && esbuild index.ts --bundle --format=esm --platform=node --outfile=dist/bundle.js && node dist/bundle.js",
+    "start": "tsc && esbuild index.ts --bundle --format=cjs --platform=node --outfile=dist/bundle.js && node dist/bundle.js",
     "test": "echo \"Error: no test specified\" && exit 1",
     "format": "prettier . --write"
   },
@@ -29,6 +29,7 @@
   "dependencies": {
     "csv-parse": "^6.1.0",
     "date-fns": "^4.1.0",
+    "log4js": "^6.9.1",
     "lodash": "^4.17.21",
     "ts-node": "^10.9.2"
   }

types/fileDataRecord.ts

@@ -0,0 +1,7 @@
+export interface FileDataRecord {
+  Date: string;
+  From: string;
+  To: string;
+  Narrative: string;
+  Amount: string;
+}

utils/logger.ts

@@ -0,0 +1,18 @@
+import { configure } from "log4js";
+
+var loggerConfiguration = configure({
+  appenders: {
+    file: { type: "file", filename: "logs.log" },
+    out: { type: "stdout" },
+  },
+  categories: {
+    default: { appenders: ["file", "out"], level: "error" },
+  },
+})
+
+export function getLogger(filename: string): ReturnType<typeof loggerConfiguration.getLogger>
+{
+    const logger = loggerConfiguration.getLogger(filename);
+    logger.level = "debug";
+    return logger;
+}