barker/bookie/src/app/sales/bill.service.ts

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import { Injectable } from '@angular/core';
import { MatDialog } from '@angular/material';
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import { BehaviorSubject } from 'rxjs';
import { Product } from '../core/product';
import { ModifiersComponent } from './modifiers/modifiers.component';
import { ModifierCategoryService } from '../modifier-categories/modifier-category.service';
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import { ModifierCategory } from '../core/modifier-category';
import { Bill, Inventory, Kot, PrintType } from './bills/bill';
import {VoucherService} from './bills/voucher.service';
@Injectable()
export class BillService {
public dataObs;
public data;
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private bill;
constructor(
private dialog: MatDialog,
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private ser: VoucherService,
private modifierCategoryService: ModifierCategoryService
) {
this.data = [];
this.dataObs = new BehaviorSubject<any[]>(this.data);
}
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loadData(bill: Bill): void {
this.bill = bill;
const view = this.bill.kots.map(k => {
return [{
isKot: true,
info: `Kot: ${k.code} / ${k.date} (${k.user.name}) `
}, ...k.inventories.map(i => {
return {
id: i.id,
isKot: false,
product: i.product,
productId: i.product.id,
isHappyHour: i.isHappyHour,
isPrinted: true,
info: `${i.product.name} (${i.product.units}) @ ${i.price}`,
quantity: i.quantity,
discount: i.discount,
taxRate: i.taxRate,
tax: i.tax,
modifiers: i.modifiers
};
})];
});
this.data = view.reduce((a, c) => a.concat(c) , []);
this.data.push({isKot: true, newKot: true, info: '== New Kot =='});
this.dataObs.next(this.data);
}
addProduct(product: Product): void {
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const old = this.data.find(x => !x.isKot && x.productId === product.id && x.isHappyHour === product.hasHappyHour);
if (old !== undefined) {
old.quantity += 1;
} else {
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const item = {
isKot: false,
product: product,
productId: product.id,
isHappyHour: product.hasHappyHour,
info: `${product.name} (${product.units}) @ ${product.price}`,
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price: product.price,
quantity: 1,
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discount: 0,
taxRate: product.saleCategory.tax.rate,
tax: product.saleCategory.tax,
modifiers: []
};
this.data.push(item);
this.modifierCategoryService.listIsActiveOfProduct(product.id).subscribe(result => {
if (result.reduce((a: any, c: ModifierCategory) => {
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return a + c.minimum;
}, 0)) {
this.showModifier(item);
}
});
}
this.dataObs.next(this.data);
}
showModifier(item: any): void {
// [routerLink]="['/sales', 'modifiers', item.id]"
const dialogRef = this.dialog.open(ModifiersComponent, {
position: {
top: '10vh'
},
data: {
list: this.modifierCategoryService.listIsActiveOfProduct(item.productId),
selected: item.modifiers
}
});
dialogRef.afterClosed().subscribe(result => {
if (result !== undefined) {
item.modifiers = result;
}
});
}
addOne(item: any): void {
item.quantity += 1;
this.dataObs.next(this.data);
}
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quantity(item: any, quantity: number): void {
item.quantity = quantity;
this.dataObs.next(this.data);
}
subtractOne(item: any): void {
if (item.quantity > 1) {
item.quantity -= 1;
this.dataObs.next(this.data);
} else if (item.quantity === 0) {
this.removeItem(item);
}
}
removeItem(item: any): void {
this.data.splice(this.data.indexOf(item), 1);
this.dataObs.next(this.data);
}
modifier(item: any): void {
this.showModifier(item);
}
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printKot(guest_book_id: string): void {
const nk = new Kot({
inventories: this.data.filter(x => !x.isKot && !x.isPrinted).map(y => new Inventory({
product: y.product,
quantity: y.quantity,
price: y.price,
isHappyHour: y.isHappyHour,
discount: y.discount,
modifiers: y.modifiers,
taxRate: y.taxRate,
tax: y.tax
}))
});
let item = JSON.parse(JSON.stringify(this.bill))
item.kots.push(nk);
this.ser.saveOrUpdate(item, PrintType.Kot, guest_book_id, true).subscribe(x =>
console.log(x)
);
}
printBill(): boolean {
return false;
}
}