accountant-ui/src/operations/balanceChart.component.ts
2017-07-30 16:25:10 +02:00

178 lines
3.7 KiB
TypeScript

// vim: set tw=80 ts=2 sw=2 sts=2:
import * as moment from 'moment';
import * as c3 from 'c3';
import {
Component, ElementRef,
Inject, Input, Output, EventEmitter,
OnInit, OnChanges
} from '@angular/core';
import { Account } from '../accounts/account';
import { DailyBalanceService } from '../accounts/dailyBalance.service';
class DateRange {
minDate: Date;
maxDate: Date;
}
@Component({
selector: 'balance-chart',
template: '<div></div>'
})
export class BalanceChartComponent implements OnInit, OnChanges {
@Input() account: Account;
@Output() onUpdate: EventEmitter<DateRange> = new EventEmitter<DateRange>();
private chart: c3.ChartAPI;
private balances: number[];
constructor(
private elementRef: ElementRef,
private dailyBalanceService: DailyBalanceService,
) {
}
loadData(account: Account) {
this.dailyBalanceService.query(
account.id
).subscribe((results) => {
var headers: any[][] = [['date', 'balances', 'expenses', 'revenues']];
var rows = results.map(function(result) {
return [
result.operation_date,
result.balance,
result.expenses,
result.revenues
];
});
this.chart.unload();
this.chart.load({
rows: headers.concat(rows)
});
var x: any;
x = this.chart.x();
var balances = x.balances;
this.onUpdate.emit({
minDate: balances[0],
maxDate: balances[balances.length - 1]
});
});
};
ngOnInit() {
var tomorrow = moment().endOf('day').valueOf();
this.chart = c3.generate({
bindto: this.elementRef.nativeElement.children[0],
size: {
height: 450,
},
data: {
x: 'date',
rows: [],
axes: {
expenses: 'y2',
revenues: 'y2'
},
type: 'bar',
types: {
balances: 'area'
},
groups: [
['expenses', 'revenues']
],
// Disable for the moment because there is an issue when
// using subchart line is not refreshed after subset
// selection.
//regions: {
// balances: [{
// start: tomorrow,
// style: 'dashed'
// }]
//}
},
regions: [{
start: tomorrow,
}],
axis: {
x: {
type: 'timeseries',
tick: {
format: '%Y-%m-%d',
rotate: 50,
}
},
y: {
label: {
text: 'Amount',
position: 'outer-middle'
}
},
y2: {
show: true,
label: {
text: 'Amount',
position: 'outer-middle'
}
}
},
grid: {
x: {
show: true,
},
y: {
show: true,
}
},
tooltip: {
format: {
value: function(value, ratio, id, index) {
return value + '€';
}
}
},
subchart: {
show: true,
onbrush: (domain) => {
this.onUpdate.emit({minDate: domain[0], maxDate: domain[1]});
}
}
});
};
setLines(account: Account) {
if(this.chart) {
this.chart.ygrids([
{ value: 0, axis: 'y2' },
{ value: 0, axis: 'y', class: 'zeroline'},
]);
if(account) {
this.chart.ygrids.add({
value: account.authorized_overdraft,
axis: 'y',
class: 'overdraft'
});
}
}
};
ngOnChanges(changes) {
if('account' in changes && changes.account.currentValue) {
this.loadData(changes.account.currentValue);
this.setLines(changes.account.currentValue);
} else {
this.setLines(this.account);
}
};
}