initial commit

src/app/@core/mock/profit-chart.service.ts

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+import { Injectable } from '@angular/core';
+import { PeriodsService } from './periods.service';
+import { ProfitChart, ProfitChartData } from '../data/profit-chart';
+
+@Injectable()
+export class ProfitChartService extends ProfitChartData {
+
+  private year = [
+    '2012',
+    '2013',
+    '2014',
+    '2015',
+    '2016',
+    '2017',
+    '2018',
+  ];
+
+  private data = { };
+
+  constructor(private period: PeriodsService) {
+    super();
+    this.data = {
+      week: this.getDataForWeekPeriod(),
+      month: this.getDataForMonthPeriod(),
+      year: this.getDataForYearPeriod(),
+    };
+  }
+
+  private getDataForWeekPeriod(): ProfitChart {
+    const nPoint = this.period.getWeeks().length;
+
+    return {
+      chartLabel: this.period.getWeeks(),
+      data: [
+        this.getRandomData(nPoint),
+        this.getRandomData(nPoint),
+        this.getRandomData(nPoint),
+      ],
+    };
+  }
+
+  private getDataForMonthPeriod(): ProfitChart {
+    const nPoint = this.period.getMonths().length;
+
+    return {
+      chartLabel: this.period.getMonths(),
+      data: [
+        this.getRandomData(nPoint),
+        this.getRandomData(nPoint),
+        this.getRandomData(nPoint),
+      ],
+    };
+  }
+
+  private getDataForYearPeriod(): ProfitChart {
+    const nPoint = this.year.length;
+
+    return {
+      chartLabel: this.year,
+      data: [
+        this.getRandomData(nPoint),
+        this.getRandomData(nPoint),
+        this.getRandomData(nPoint),
+      ],
+    };
+  }
+
+  private getRandomData(nPoints: number): number[] {
+    return Array.from(Array(nPoints)).map(() => {
+      return Math.round(Math.random() * 500);
+    });
+  }
+
+  getProfitChartData(period: string): ProfitChart {
+    return this.data[period];
+  }
+}