initial commit

src/app/@core/mock/earning.service.ts

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+import { Injectable } from '@angular/core';
+import { of as observableOf, Observable } from 'rxjs';
+import { LiveUpdateChart, PieChart, EarningData } from '../data/earning';
+
+@Injectable()
+export class EarningService extends EarningData {
+
+  private currentDate: Date = new Date();
+  private currentValue = Math.random() * 1000;
+  private ONE_DAY = 24 * 3600 * 1000;
+
+  private pieChartData = [
+    {
+      value: 50,
+      name: 'Bitcoin',
+    },
+    {
+      value: 25,
+      name: 'Tether',
+    },
+    {
+      value: 25,
+      name: 'Ethereum',
+    },
+  ];
+
+  private liveUpdateChartData = {
+    bitcoin: {
+      liveChart: [],
+      delta: {
+        up: true,
+        value: 4,
+      },
+      dailyIncome: 45895,
+    },
+    tether: {
+      liveChart: [],
+      delta: {
+        up: false,
+        value: 9,
+      },
+      dailyIncome: 5862,
+    },
+    ethereum: {
+      liveChart: [],
+      delta: {
+        up: false,
+        value: 21,
+      },
+      dailyIncome: 584,
+    },
+  };
+
+  getDefaultLiveChartData(elementsNumber: number) {
+    this.currentDate = new Date();
+    this.currentValue = Math.random() * 1000;
+
+    return Array.from(Array(elementsNumber))
+      .map(item => this.generateRandomLiveChartData());
+  }
+
+  generateRandomLiveChartData() {
+    this.currentDate = new Date(+this.currentDate + this.ONE_DAY);
+    this.currentValue = this.currentValue + Math.random() * 20 - 11;
+
+    if (this.currentValue < 0) {
+      this.currentValue = Math.random() * 100;
+    }
+
+    return {
+      value: [
+        [
+          this.currentDate.getFullYear(),
+          this.currentDate.getMonth(),
+          this.currentDate.getDate(),
+        ].join('/'),
+        Math.round(this.currentValue),
+      ],
+    };
+  }
+
+  getEarningLiveUpdateCardData(currency): Observable<any[]> {
+    const data = this.liveUpdateChartData[currency.toLowerCase()];
+    const newValue = this.generateRandomLiveChartData();
+
+    data.liveChart.shift();
+    data.liveChart.push(newValue);
+
+    return observableOf(data.liveChart);
+  }
+
+  getEarningCardData(currency: string): Observable<LiveUpdateChart> {
+    const data = this.liveUpdateChartData[currency.toLowerCase()];
+
+    data.liveChart = this.getDefaultLiveChartData(150);
+
+    return observableOf(data);
+  }
+
+  getEarningPieChartData(): Observable<PieChart[]> {
+    return observableOf(this.pieChartData);
+  }
+}