feat(investment): interest voucher posting UI, home pending alert and day-end reminder

src/app/investment/bond-investment/bond-investment.component.ts

@@ -9,6 +9,7 @@
 import { Component, OnInit, inject } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { FormsModule } from '@angular/forms';
+import { ActivatedRoute } from '@angular/router';
 import { DateDdmmyyyyPickerComponent } from '../date-ddmmyyyy-picker/date-ddmmyyyy-picker.component';
 import {
   SCRIPT_MASTER,
@@ -56,6 +57,8 @@ import {
 import { exportWorkbook } from '../investment-export';
 import {
   InvestmentDailyRateDto,
+  InvestmentInterestDueDto,
+  InvestmentInterestRowDto,
   InvestmentInterestScheduleDto,
   InvestmentPurchaseDto,
   InvestmentService,
@@ -205,9 +208,14 @@ interface BondSellForm {
 })
 export class BondInvestmentComponent implements OnInit {
   private readonly investmentService = inject(InvestmentService);
+  private readonly route = inject(ActivatedRoute);
 
   /** Script and party dropdowns offer the masters saved in the backend. */
   ngOnInit(): void {
+    // The home-screen interest alert links here with ?tab=interest.
+    if (this.route.snapshot.queryParamMap.get('tab') === 'interest') {
+      this.activeTab = 'interest';
+    }
     this.investmentService.syncSharedMasters().subscribe({
       error: (err) => this.toast(`Could not load Script / Party masters: ${apiErrorMessage(err)}`)
     });
@@ -222,6 +230,7 @@ export class BondInvestmentComponent implements OnInit {
       error: (err) => this.toast(`Could not load GL accounts: ${apiErrorMessage(err)}`)
     });
     this.loadPurchases();
+    this.loadDueInterest();
   }
 
   /** GL id for a GL code — the purchase API takes ids, the form works with codes. */
@@ -307,6 +316,13 @@ export class BondInvestmentComponent implements OnInit {
   intAsOnDate = this.asOnDate;
   intSchedule: InvestmentInterestScheduleDto | null = null;
   intLoading = false;
+  /** Interest lines of all holdings due now or within two days — what Jitendra Sir asked to be reminded of. */
+  intDueTasks: InvestmentInterestDueDto[] = [];
+  /** By default the schedule shows only lines up to the end of next year (and anything already posted). */
+  intShowFullSchedule = false;
+  /** Bank a coupon is received into; defaults to the purchase's paying bank. */
+  intBankGlCode = '';
+  intPosting = false;
   readonly interestReceivableGl = INTEREST_RECEIVABLE_GL;
 
   // Write-off
@@ -1052,6 +1068,7 @@ export class BondInvestmentComponent implements OnInit {
     this.investmentService.getInterestSchedule(this.intPurchaseId, this.intAsOnDate || undefined).subscribe({
       next: (schedule) => {
         this.intSchedule = schedule;
+        this.intBankGlCode = schedule.bankGlCode;
         this.intLoading = false;
       },
       error: (err) => {
@@ -1062,6 +1079,63 @@ export class BondInvestmentComponent implements OnInit {
     });
   }
 
+  loadDueInterest(): void {
+    this.investmentService.getDueInterest().subscribe({
+      next: (tasks) => (this.intDueTasks = tasks),
+      error: () => (this.intDueTasks = [])
+    });
+  }
+
+  /** Opens a due task's holding in the schedule below. */
+  openDueTask(t: InvestmentInterestDueDto): void {
+    this.intType = '';
+    this.intScript = '';
+    this.intPurchaseId = t.purchaseId;
+    this.retrieveInterestSchedule();
+  }
+
+  /** Lines shown: up to 31 December of next year, plus anything already posted — unless the full schedule is asked for. */
+  get intVisibleRows(): InvestmentInterestRowDto[] {
+    const rows = this.intSchedule?.rows ?? [];
+    if (this.intShowFullSchedule) {
+      return rows;
+    }
+    const upTo = new Date(new Date().getFullYear() + 1, 11, 31);
+    return rows.filter((r) => r.posted || parseDDMMYYYY(r.intDate) <= upTo);
+  }
+
+  /** Posts one interest line with its JV voucher (passed as it is raised), then refreshes the schedule and tasks. */
+  generateVoucher(r: InvestmentInterestRowDto): void {
+    const sc = this.intSchedule;
+    if (!sc || this.intPosting) {
+      return;
+    }
+    const bankGlAccountId =
+      r.type === 'COUPON' ? (this.glIdByCode.get(this.intBankGlCode) ?? sc.bankGlAccountId) : undefined;
+    const body = {
+      lineType: r.type,
+      intDate: r.intDate,
+      ...(bankGlAccountId ? { bankGlAccountId } : {}),
+      dateFormat: 'dd-MM-yyyy',
+      locale: 'en'
+    };
+    this.intPosting = true;
+    this.investmentService.postInterest(sc.purchaseId, body).subscribe({
+      next: (res) => {
+        this.intPosting = false;
+        this.toast(
+          `${r.type === 'COUPON' ? 'Coupon' : 'Provision'} of ${r.intDate} posted — voucher ${res.resourceIdentifier ?? ''}.`
+        );
+        this.retrieveInterestSchedule();
+        this.loadDueInterest();
+      },
+      error: (err) => {
+        this.intPosting = false;
+        this.toast(apiErrorMessage(err));
+      }
+    });
+  }
+
   /** Total of the lines falling due up to the as-on date. */
   get intDueTotal(): number {
     return (this.intSchedule?.rows ?? []).filter((r) => r.due).reduce((sum, r) => sum + r.amount, 0);