chore: Add xlsx dependency and implement record processing functions

Author: AsadSaleh

basic_union.ts

@@ -0,0 +1,14 @@
+
+type User = {
+  name: string
+  age: number
+  gender: "male" | "female"
+}
+
+function goToToilet(user: User) {
+  if (user.gender === "male") {
+    console.log("Go to male toilet!")
+  } else {
+    console.log("Go to female toilet")
+  }
+}

package-lock.json

@@ -1,6 +1,7 @@
 {
   "dependencies": {
     "ts-node": "^10.8.2",
-    "typescript": "^4.6.3"
+    "typescript": "^4.6.3",
+    "xlsx": "^0.18.5"
   }
 }

package.json

@@ -0,0 +1,98 @@
+import XLSX from "xlsx";
+
+interface BankRecord {
+  transactionName: string;
+  date: string;
+  amount: number;
+}
+interface BankRecordWithStatus extends BankRecord {
+  status: string;
+}
+interface InternalRecord {
+  vaNumber: string;
+  schoolCode: string;
+  schoolName: string;
+  studentName: string;
+  amount: number;
+}
+
+const readInternalRecord = async (file: File): Promise<InternalRecord[]> => {
+  const buffer = await file.arrayBuffer();
+  const data = new Uint8Array(buffer);
+  const workbook = XLSX.read(data, { type: "array" });
+  const worksheet = workbook.Sheets[workbook.SheetNames[0] || 0];
+  return [];
+};
+const readBankRecord = async (file: File): Promise<BankRecord[]> => {
+  const buffer = await file.arrayBuffer();
+  const data = new Uint8Array(buffer);
+  const workbook = XLSX.read(data, { type: "array" });
+  const worksheet = workbook.Sheets[workbook.SheetNames[0] || 0];
+  return [];
+};
+
+const markRowStatus = (
+  internalRecords: InternalRecord[],
+  bankRecords: BankRecord[]
+): BankRecordWithStatus[] => {
+  // bad time:
+  const result = bankRecords.map((bankRecord) => {
+    const bankRecordVaNumber = getVaNumberFromTrx(bankRecord.transactionName);
+
+    let status = "";
+    internalRecords.forEach((internalRecord) => {
+      if (bankRecordVaNumber === internalRecord.vaNumber) {
+        if (internalRecord.amount === bankRecord.amount) {
+          status = "AMAN";
+        }
+      }
+    });
+    return { ...bankRecord, status };
+  });
+  return result;
+};
+
+const getVaNumberFromTrx = (input: string): string => {
+  const startIndex = input.indexOf("127");
+  const vaNumber = input.slice(startIndex, startIndex + 18);
+  return vaNumber;
+};
+
+const splitVaNumber = (vaNumber: string): { left: string; right: string } => {
+  const a = vaNumber.split("0");
+  return { left: a[0], right: a[1] };
+};
+
+// const pipe = (...fns) => fns.reduce((fn, cur) => fn(cur));
+
+// Test case
+console.log(
+  getVaNumberFromTrx(
+    "BRIVA127060000000267170NBMBIQLIMA ARSYA ESB:NBMB:0200200P:493496516597"
+  )
+);
+console.log(
+  getVaNumberFromTrx(
+    "BRIVA127060000000272563NBMBMUHAMAD FAHRE ESB:NBMB:0200200P:493502002745"
+  )
+);
+console.log(
+  getVaNumberFromTrx(
+    "BRIVA127060000000317526NBMBMutiara Mauli ESB:NBMB:0200200P:493503967703"
+  )
+);
+console.log(
+  getVaNumberFromTrx(
+    "BRIVA127060000000183612NBMBRamzi Fairuz ESB:NBMB:0200200P:493505973029"
+  )
+);
+console.log(
+  getVaNumberFromTrx(
+    "BRIVA127060000000295840NBMBRARA PUTRI MA ESB:NBMB:0200200P:493506557999"
+  )
+);
+console.log(
+  getVaNumberFromTrx(
+    "127060000000959095#004138255402#ATM #TRF TRF LINK FROM SOBIRIN LN127060000000959095ATM 4215701500340776"
+  )
+);