barker/bookie/src/app/sales/choose-customer/choose-customer.component.ts

106 lines
3.2 KiB
TypeScript

import { Component, Inject } from '@angular/core';
import { FormArray, FormBuilder, FormControl, FormGroup } from '@angular/forms';
import { MatAutocompleteSelectedEvent } from '@angular/material/autocomplete';
import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
import { round } from 'mathjs';
import { Observable, of as observableOf } from 'rxjs';
import { debounceTime, distinctUntilChanged, map, startWith, switchMap } from 'rxjs/operators';
import { Customer } from '../../core/customer';
import { CustomerService } from '../../customers/customer.service';
@Component({
selector: 'app-choose-customer',
templateUrl: './choose-customer.component.html',
styleUrls: ['./choose-customer.component.css'],
})
export class ChooseCustomerComponent {
form: FormGroup;
item: Customer = new Customer();
customers: Observable<Customer[]>;
constructor(
public dialogRef: MatDialogRef<ChooseCustomerComponent>,
@Inject(MAT_DIALOG_DATA) public data: string | undefined,
private fb: FormBuilder,
private ser: CustomerService,
) {
// Create form
this.form = this.fb.group({
name: '',
phone: '',
address: '',
printInBill: false,
discounts: this.fb.array([]),
});
// Setup Account Autocomplete
this.customers = (this.form.get('phone') as FormControl).valueChanges.pipe(
startWith(null),
map((x) => (x === this.item.phone ? '' : x)),
map((x) => (x !== null && x.length >= 1 ? x : null)),
debounceTime(150),
distinctUntilChanged(),
switchMap((x) => (x === null ? observableOf([]) : this.ser.autocomplete(x))),
);
if (data) {
this.ser.get(data).subscribe((x) => this.showItem(x));
}
}
showItem(item: Customer) {
this.item = item;
this.form.patchValue({
name: item.name,
phone: item.phone,
address: item.address,
printInBill: item.printInBill,
});
this.form.setControl(
'discounts',
this.fb.array(
item.discounts.map((x) =>
this.fb.group({
discount: '' + x.discount * 100,
}),
),
),
);
this.form.markAsPristine();
}
save() {
const customer = this.getItem();
const promise = this.form.pristine ? observableOf(customer) : this.ser.saveOrUpdate(customer);
promise.subscribe((x) => this.dialogRef.close(x));
}
displayFn(customer?: Customer | string): string {
if (!customer) {
return '';
}
return typeof customer === 'string' ? customer : customer.phone;
}
selected(event: MatAutocompleteSelectedEvent): void {
const customer: Customer = event.option.value;
this.showItem(customer);
}
getItem(): Customer {
const formModel = this.form.value;
this.item.id = this.item.phone.trim() !== formModel.phone.trim() ? '' : this.item.id;
this.item.name = formModel.name;
this.item.phone = formModel.phone;
this.item.address = formModel.address;
this.item.printInBill = formModel.printInBill;
const array = this.form.get('discounts') as FormArray;
this.item.discounts.forEach((item, index) => {
item.discount = Math.max(
Math.min(round(array.controls[index].value.discount / 100, 5), 100),
0,
);
});
return this.item;
}
}