brewman/overlord/src/app/receipt/receipt.component.ts

402 lines
11 KiB
TypeScript
Raw Normal View History

import { AfterViewInit, Component, ElementRef, OnInit, OnDestroy, ViewChild } from '@angular/core';
import { FormBuilder, FormGroup } from '@angular/forms';
import { MatAutocompleteSelectedEvent } from '@angular/material/autocomplete';
import { MatDialog } from '@angular/material/dialog';
import { ActivatedRoute, Router } from '@angular/router';
import { BehaviorSubject, fromEvent, Observable, of, of as observableOf, zip } from 'rxjs';
import { ReceiptDataSource } from './receipt-datasource';
import { Account } from '../core/account';
import { VoucherService } from '../core/voucher.service';
import { AccountService } from '../core/account.service';
import { DbFile, Journal, Voucher } from '../core/voucher';
import * as moment from 'moment';
import { evaluate } from 'mathjs';
import { AuthService } from '../auth/auth.service';
import { ConfirmDialogComponent } from '../shared/confirm-dialog/confirm-dialog.component';
import { ToasterService } from '../core/toaster.service';
import { debounceTime, distinctUntilChanged, map, startWith, switchMap } from 'rxjs/operators';
import { ReceiptDialogComponent } from './receipt-dialog.component';
import { ImageDialogComponent } from '../shared/image-dialog/image-dialog.component';
import { Hotkey, HotkeysService } from 'angular2-hotkeys';
@Component({
selector: 'app-receipt',
templateUrl: './receipt.component.html',
styleUrls: ['./receipt.component.css'],
})
export class ReceiptComponent implements OnInit, AfterViewInit, OnDestroy {
@ViewChild('accountElement', { static: true }) accountElement: ElementRef;
@ViewChild('dateElement', { static: true }) dateElement: ElementRef;
public journalObservable = new BehaviorSubject<Journal[]>([]);
dataSource: ReceiptDataSource;
form: FormGroup;
receiptAccounts: Account[];
receiptJournal: Journal;
voucher: Voucher;
account: Account;
accBal: any;
displayedColumns = ['account', 'amount', 'action'];
accounts: Observable<Account[]>;
constructor(
private route: ActivatedRoute,
private router: Router,
private fb: FormBuilder,
private dialog: MatDialog,
private hotkeys: HotkeysService,
private toaster: ToasterService,
private auth: AuthService,
private ser: VoucherService,
private accountSer: AccountService,
) {
this.account = null;
this.createForm();
this.listenToAccountAutocompleteChange();
this.listenToReceiptAccountChange();
}
ngOnInit() {
this.route.data.subscribe((data: { voucher: Voucher; receiptAccounts: Account[] }) => {
this.receiptAccounts = data.receiptAccounts;
this.loadVoucher(data.voucher);
});
this.hotkeys.add(
new Hotkey(
'f2',
(event: KeyboardEvent): boolean => {
setTimeout(() => {
this.dateElement.nativeElement.focus();
}, 0);
return false; // Prevent bubbling
},
['INPUT', 'SELECT', 'TEXTAREA'],
),
);
this.hotkeys.add(
new Hotkey(
'ctrl+s',
(event: KeyboardEvent): boolean => {
if (this.canSave()) {
this.save();
}
return false; // Prevent bubbling
},
['INPUT', 'SELECT', 'TEXTAREA'],
),
);
this.hotkeys.add(
new Hotkey(
'ctrl+p',
(event: KeyboardEvent): boolean => {
if (
this.voucher.id &&
!this.voucher.posted &&
this.auth.user.perms.indexOf('post-vouchers') !== -1
) {
this.post();
}
return false; // Prevent bubbling
},
['INPUT', 'SELECT', 'TEXTAREA'],
),
);
}
ngAfterViewInit() {
this.focusAccount();
}
ngOnDestroy() {
this.hotkeys.reset();
}
loadVoucher(voucher: Voucher) {
this.voucher = voucher;
this.receiptJournal = this.voucher.journals.filter((x) => x.debit === 1)[0];
this.form.setValue({
date: moment(this.voucher.date, 'DD-MMM-YYYY').toDate(),
receiptAccount: this.receiptJournal.account.id,
receiptAmount: this.receiptJournal.amount,
addRow: {
account: '',
amount: 0,
},
narration: this.voucher.narration,
});
this.dataSource = new ReceiptDataSource(this.journalObservable);
this.updateView();
}
focusAccount() {
setTimeout(() => {
this.accountElement.nativeElement.focus();
}, 0);
}
addRow() {
const amount = this.rowAmount(this.form.get('addRow').value.amount);
const debit = -1;
if (this.account === null || amount <= 0) {
return;
}
const oldFiltered = this.voucher.journals.filter((x) => x.account.id === this.account.id);
const old = oldFiltered.length ? oldFiltered[0] : null;
if (old && (old.debit === 1 || old.id === this.receiptJournal.id)) {
return;
}
if (old) {
old.amount += amount;
} else {
this.voucher.journals.push({
id: null,
debit: debit,
amount: amount,
account: this.account,
costCentre: null,
});
}
this.resetAddRow();
this.updateView();
}
rowAmount(amount: string = ''): number {
try {
amount = amount.replace(new RegExp('(₹[s]*)|(,)|(s)', 'g'), '');
return evaluate(amount);
} catch {
return 0;
}
}
resetAddRow() {
this.form.get('addRow').reset({
account: null,
amount: null,
});
this.account = null;
this.accBal = null;
setTimeout(() => {
this.accountElement.nativeElement.focus();
}, 0);
}
updateView() {
const journals = this.voucher.journals.filter((x) => x.debit === -1);
this.journalObservable.next(journals);
this.receiptJournal.amount = Math.abs(journals.map((x) => x.amount).reduce((p, c) => p + c, 0));
this.form.get('receiptAmount').setValue(this.receiptJournal.amount);
}
editRow(row: Journal) {
const dialogRef = this.dialog.open(ReceiptDialogComponent, {
width: '750px',
data: {
journal: Object.assign({}, row),
date: moment(this.form.get('date').value).format('DD-MMM-YYYY'),
},
});
dialogRef.afterClosed().subscribe((result: boolean | Journal) => {
if (!result) {
return;
}
const j = result as Journal;
if (
j.account.id !== row.account.id &&
this.voucher.journals.filter((x) => x.account.id === j.account.id).length
) {
return;
}
Object.assign(row, j);
this.updateView();
});
}
deleteRow(row: Journal) {
this.voucher.journals.splice(this.voucher.journals.indexOf(row), 1);
this.updateView();
}
createForm() {
this.form = this.fb.group({
date: '',
receiptAccount: '',
receiptAmount: { value: '', disabled: true },
addRow: this.fb.group({
account: '',
amount: '',
}),
narration: '',
});
this.accBal = null;
}
canSave() {
if (!this.voucher.id) {
return true;
} else if (this.voucher.posted && this.auth.user.perms.indexOf('edit-posted-vouchers') !== -1) {
return true;
} else {
return (
this.voucher.user.id === this.auth.user.id ||
this.auth.user.perms.indexOf("edit-other-user's-vouchers") !== -1
);
}
}
post() {
this.ser.post(this.voucher.id).subscribe(
(result) => {
this.loadVoucher(result);
this.toaster.show('Success', 'Voucher Posted');
},
(error) => {
this.toaster.show('Danger', error);
},
);
}
save() {
const voucher: Voucher = this.getVoucher();
this.ser.saveOrUpdate(voucher).subscribe(
(result) => {
this.toaster.show('Success', '');
if (voucher.id === result.id) {
this.loadVoucher(result);
} else {
this.router.navigate(['/receipt', result.id]);
}
},
(error) => {
this.toaster.show('Danger', error);
},
);
}
getVoucher(): Voucher {
const formModel = this.form.value;
this.voucher.date = moment(formModel.date).format('DD-MMM-YYYY');
this.receiptJournal.account.id = formModel.receiptAccount;
this.voucher.narration = formModel.narration;
return this.voucher;
}
delete() {
this.ser.delete(this.voucher.id).subscribe(
(result) => {
this.toaster.show('Success', '');
this.router.navigate(['/receipt'], { replaceUrl: true });
},
(error) => {
this.toaster.show('Danger', error);
},
);
}
confirmDelete(): void {
const dialogRef = this.dialog.open(ConfirmDialogComponent, {
width: '250px',
data: { title: 'Delete Voucher?', content: 'Are you sure? This cannot be undone.' },
});
dialogRef.afterClosed().subscribe((result: boolean) => {
if (result) {
this.delete();
}
});
}
listenToAccountAutocompleteChange(): void {
const control = this.form.get('addRow').get('account');
this.accounts = control.valueChanges.pipe(
startWith(null),
map((x) => (x !== null && x.length >= 1 ? x : null)),
debounceTime(150),
distinctUntilChanged(),
switchMap((x) => (x === null ? observableOf([]) : this.accountSer.autocomplete(x))),
);
}
listenToReceiptAccountChange(): void {
this.form.get('receiptAccount').valueChanges.subscribe((x) =>
this.router.navigate([], {
relativeTo: this.route,
queryParams: { a: x },
replaceUrl: true,
}),
);
}
displayAccount(account?: Account): string | undefined {
return account ? account.name : undefined;
}
accountSelected(event: MatAutocompleteSelectedEvent): void {
this.account = event.option.value;
const date = moment(this.form.get('date').value).format('DD-MMM-YYYY');
this.accountSer.balance(this.account.id, date).subscribe((v) => {
this.accBal = v;
});
}
zoomImage(file: DbFile) {
this.dialog.open(ImageDialogComponent, {
width: '750px',
data: file.resized,
});
}
deleteImage(file: DbFile) {
const index = this.voucher.files.indexOf(file);
this.voucher.files.splice(index, 1);
}
detectFiles(event) {
const files = event.target.files;
if (files) {
for (const file of files) {
const reader = new FileReader();
reader.onload = (e: any) => {
zip(
of(e.target.result),
this.resizeImage(e.target.result, 100, 150),
this.resizeImage(e.target.result, 825, 1170),
).subscribe((val) =>
this.voucher.files.push({ id: null, thumbnail: val[1], resized: val[2] }),
);
};
reader.readAsDataURL(file);
}
}
}
resizeImage(image, MAX_WIDTH, MAX_HEIGHT) {
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
const img = new Image();
const ex = fromEvent(img, 'load').pipe(
map((e) => {
let width = img.naturalWidth,
height = img.naturalHeight;
const ratio = Math.min(1, MAX_WIDTH / width, MAX_HEIGHT / height);
if (ratio === 1) {
return image;
}
width *= ratio;
height *= ratio;
canvas.width = width;
canvas.height = height;
ctx.drawImage(img, 0, 0, width, height);
return canvas.toDataURL('image/jpeg', 0.95);
}),
);
img.src = image;
return ex;
}
}