mempool/frontend/src/app/lightning/statistics-chart/lightning-statistics-chart.component.ts
2022-12-25 23:17:04 +04:00

350 lines
10 KiB
TypeScript

import { Component, Inject, Input, LOCALE_ID, OnInit, HostBinding } from '@angular/core';
import { EChartsOption, graphic } from 'echarts';
import { Observable } from 'rxjs';
import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
import { SeoService } from '../../services/seo.service';
import { formatNumber } from '@angular/common';
import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
import { StorageService } from '../../services/storage.service';
import { MiningService } from '../../services/mining.service';
import { download } from '../../shared/graphs.utils';
import { LightningApiService } from '../lightning-api.service';
import { AmountShortenerPipe } from '../../shared/pipes/amount-shortener.pipe';
import { isMobile } from '../../shared/common.utils';
@Component({
selector: 'app-lightning-statistics-chart',
templateUrl: './lightning-statistics-chart.component.html',
styleUrls: ['./lightning-statistics-chart.component.scss'],
styles: [`
.loadingGraphs {
position: absolute;
top: 50%;
left: calc(50% - 15px);
z-index: 100;
}
`],
})
export class LightningStatisticsChartComponent implements OnInit {
@Input() right: number | string = 45;
@Input() left: number | string = 45;
@Input() widget = false;
miningWindowPreference: string;
radioGroupForm: UntypedFormGroup;
chartOptions: EChartsOption = {};
chartInitOptions = {
renderer: 'svg',
};
@HostBinding('attr.dir') dir = 'ltr';
capacityObservable$: Observable<any>;
isLoading = true;
formatNumber = formatNumber;
timespan = '';
chartInstance: any = undefined;
constructor(
@Inject(LOCALE_ID) public locale: string,
private seoService: SeoService,
private lightningApiService: LightningApiService,
private formBuilder: UntypedFormBuilder,
private storageService: StorageService,
private miningService: MiningService,
private amountShortenerPipe: AmountShortenerPipe,
) {
}
ngOnInit(): void {
let firstRun = true;
if (this.widget) {
this.miningWindowPreference = '3y';
} else {
this.seoService.setTitle($localize`:@@ea8db27e6db64f8b940711948c001a1100e5fe9f:Lightning Network Capacity`);
this.miningWindowPreference = this.miningService.getDefaultTimespan('all');
}
this.radioGroupForm = this.formBuilder.group({ dateSpan: this.miningWindowPreference });
this.radioGroupForm.controls.dateSpan.setValue(this.miningWindowPreference);
this.capacityObservable$ = this.radioGroupForm.get('dateSpan').valueChanges
.pipe(
startWith(this.miningWindowPreference),
switchMap((timespan) => {
this.timespan = timespan;
if (!this.widget && !firstRun) {
this.storageService.setValue('lightningWindowPreference', timespan);
}
firstRun = false;
this.miningWindowPreference = timespan;
this.isLoading = true;
return this.lightningApiService.listStatistics$(timespan)
.pipe(
tap((response) => {
const data = response.body;
this.prepareChartOptions({
channel_count: data.map(val => [val.added * 1000, val.channel_count]),
capacity: data.map(val => [val.added * 1000, val.total_capacity]),
});
this.isLoading = false;
}),
map((response) => {
return {
days: parseInt(response.headers.get('x-total-count'), 10),
};
}),
);
}),
share(),
);
}
prepareChartOptions(data): void {
let title: object;
if (!this.widget && data.channel_count.length === 0) {
title = {
textStyle: {
color: 'grey',
fontSize: 15
},
text: $localize`Indexing in progress`,
left: 'center',
top: 'center'
};
} else if (this.widget && data.channel_count.length > 0) {
title = {
textStyle: {
color: 'grey',
fontSize: 11
},
text: $localize`:@@ea8db27e6db64f8b940711948c001a1100e5fe9f:Lightning Network Capacity`,
left: 'center',
top: 11,
zlevel: 10,
};
}
this.chartOptions = {
title: title,
animation: false,
color: [
'#FFB300',
new graphic.LinearGradient(0, 0.75, 0, 1, [
{ offset: 0, color: '#D81B60' },
{ offset: 1, color: '#D81B60AA' },
]),
],
grid: {
height: this.widget ? 100 : undefined,
top: this.widget ? 10 : 40,
bottom: this.widget ? 0 : 70,
right: (isMobile() && this.widget) ? 35 : this.right,
left: (isMobile() && this.widget) ? 40 :this.left,
},
tooltip: {
show: !isMobile(),
trigger: 'axis',
axisPointer: {
type: 'line'
},
backgroundColor: 'rgba(17, 19, 31, 1)',
borderRadius: 4,
shadowColor: 'rgba(0, 0, 0, 0.5)',
textStyle: {
color: '#b1b1b1',
align: 'left',
},
borderColor: '#000',
formatter: (ticks): string => {
let sizeString = '';
let weightString = '';
for (const tick of ticks) {
if (tick.seriesIndex === 0) { // Channels
sizeString = `${tick.marker} ${tick.seriesName}: ${formatNumber(tick.data[1], this.locale, '1.0-0')}`;
} else if (tick.seriesIndex === 1) { // Capacity
weightString = `${tick.marker} ${tick.seriesName}: ${formatNumber(tick.data[1] / 100000000, this.locale, '1.0-0')} BTC`;
}
}
const date = new Date(ticks[0].data[0]).toLocaleDateString(this.locale, { year: 'numeric', month: 'short', day: 'numeric' });
const tooltip = `
<b style="color: white; margin-left: 18px">${date}</b><br>
<span>${sizeString}</span><br>
<span>${weightString}</span>
`;
return tooltip;
}
},
xAxis: data.channel_count.length === 0 ? undefined : {
type: 'time',
splitNumber: (isMobile() || this.widget) ? 5 : 10,
axisLabel: {
hideOverlap: true,
}
},
legend: this.widget || data.channel_count.length === 0 ? undefined : {
padding: 10,
data: [
{
name: $localize`:@@807cf11e6ac1cde912496f764c176bdfdd6b7e19:Channels`,
inactiveColor: 'rgb(110, 112, 121)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
{
name: $localize`:@@ce9dfdc6dccb28dc75a78c704e09dc18fb02dcfa:Capacity`,
inactiveColor: 'rgb(110, 112, 121)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
],
selected: JSON.parse(this.storageService.getValue('sizes_ln_legend')) ?? {
'Channels': true,
'Capacity': true,
}
},
yAxis: data.channel_count.length === 0 ? undefined : [
{
type: 'value',
axisLabel: {
color: 'rgb(110, 112, 121)',
formatter: (val: number): string => {
if (this.widget) {
return `${this.amountShortenerPipe.transform(val, 0)}`;
} else {
return `${formatNumber(Math.round(val), this.locale, '1.0-0')}`;
}
}
},
splitLine: {
lineStyle: {
type: 'dotted',
color: '#ffffff66',
opacity: 0.25,
}
},
minInterval: this.widget ? 20000 : undefined,
},
{
min: 0,
type: 'value',
position: 'right',
axisLabel: {
color: 'rgb(110, 112, 121)',
formatter: (val: number): string => {
if (this.widget) {
return `${this.amountShortenerPipe.transform(Math.round(val / 100000000), 0)}`;
} else {
return `${formatNumber(Math.round(val / 100000000), this.locale, '1.0-0')}`;
}
}
},
splitLine: {
show: false,
}
}
],
series: data.channel_count.length === 0 ? [] : [
{
zlevel: 1,
name: 'Channels',
showSymbol: false,
symbol: 'none',
data: data.channel_count,
type: 'line',
lineStyle: {
width: 2,
},
markLine: {
silent: true,
symbol: 'none',
lineStyle: {
type: 'solid',
color: '#ffffff66',
opacity: 1,
width: 1,
},
},
smooth: false,
},
{
zlevel: 0,
yAxisIndex: 1,
name: $localize`:@@ce9dfdc6dccb28dc75a78c704e09dc18fb02dcfa:Capacity`,
showSymbol: false,
symbol: 'none',
stack: 'Total',
data: data.capacity,
areaStyle: {
opacity: 0.5,
},
type: 'line',
smooth: false,
}
],
dataZoom: this.widget ? null : [{
type: 'inside',
realtime: true,
zoomLock: true,
maxSpan: 100,
minSpan: 5,
moveOnMouseMove: false,
}, {
showDetail: false,
show: true,
type: 'slider',
brushSelect: false,
realtime: true,
left: 20,
right: 15,
selectedDataBackground: {
lineStyle: {
color: '#fff',
opacity: 0.45,
},
areaStyle: {
opacity: 0,
}
},
}],
};
}
onChartInit(ec): void {
if (this.chartInstance !== undefined) {
return;
}
this.chartInstance = ec;
this.chartInstance.on('legendselectchanged', (e) => {
this.storageService.setValue('sizes_ln_legend', JSON.stringify(e.selected));
});
}
onSaveChart(): void {
// @ts-ignore
const prevBottom = this.chartOptions.grid.bottom;
const now = new Date();
// @ts-ignore
this.chartOptions.grid.bottom = 40;
this.chartOptions.backgroundColor = '#11131f';
this.chartInstance.setOption(this.chartOptions);
download(this.chartInstance.getDataURL({
pixelRatio: 2,
}), `lightning-network-capacity-${this.timespan}-${Math.round(now.getTime() / 1000)}.svg`);
// @ts-ignore
this.chartOptions.grid.bottom = prevBottom;
this.chartOptions.backgroundColor = 'none';
this.chartInstance.setOption(this.chartOptions);
}
}