transferred stuff from pie panel to dashboard

src/app/dashboard/dashboard-customer.component.ts

@@ -1,4 +1,5 @@
 import { Directive, Component, OnInit } from '@angular/core';
+import { CurrencyPipe } from '@angular/common';
 import { ApiService } from '../providers/api-service';
 import { Router } from '@angular/router';
 import { GraphWidget } from '../widgets/graph-widget.component';
@@ -22,6 +23,73 @@ export class DashboardCustomerComponent implements OnInit {
 
   disableSectorButton: boolean = false;
 
+  public chartType = 'doughnut';
+  public chartLegend = true;
+  public doughnutChartDataCategory: number[] = [];
+  public doughnutChartLabelsCategory: string[] = [];
+
+  public doughtnutChartOptionsCategory:any = {
+    tooltips: {
+      callbacks: {
+        label: (tooltip, data) => {
+          return this.tooltipLabelCallback(tooltip, data);
+        },
+      },
+    },
+  }
+
+  myWeek1: any;
+
+  weekList1 = [];
+
+  public purchaseNotEssential: number;
+  public purchaseEssential: number;
+  public showEssentialBarChart = false;
+  public showCategoryBarChart = false;
+  public showCategoryDoughnutChart = false;
+
+  public barChartDataEssential:any[]=[
+    {data: 0, label: 'Essential', stack: '1'},
+    {data: 0, label: 'Non-Essential', stack: '1'},
+  ];
+  public barChartLabelsEssential:string[] = ['All Purchases'];
+  public barChartOptionsEssential:any = {
+      responsive: true,
+      scales:{
+          xAxes:[{
+              stacked:true
+          }],
+          yAxes:[{
+              stacked:true
+          }]
+      }
+    };
+  public barChartTypeEssential:string = 'horizontalBar';
+
+  public barChartOptionsCategory:any = {
+    scaleShowVerticalLines: false,
+    responsive: true,
+    scales: {
+      yAxes: [{
+        ticks: {
+          beginAtZero: true,
+          callback: label => `£${label}`
+        }
+      }]
+    },
+    tooltips: {
+      callbacks: {
+        label: (tooltip, data) => {
+          return this.tooltipLabelCallback(tooltip, data);
+        },
+      },
+    },
+  };
+  public barChartTypeCategory:string = 'bar';
+  public barChartLegendCategory:boolean = false;
+  public barChartDataCategory:any[]=[];
+  public barChartLabelsCategory:string[] = [];
+
   weekPurchaseList = {
     first: 0,
     second: 0,
@@ -140,11 +208,22 @@ export class DashboardCustomerComponent implements OnInit {
 
   constructor(
   private api: ApiService,
+  private currencyPipe: CurrencyPipe,
   ) {
+    this.setDate();
     this.api.customerStats().subscribe(
       result => {
         this.setWeekPurchaseList(result.weeks);
         this.setSectorList(result.sectors);
+        this.setWeekData(result);
+        this.setChartData(result.data.cat_total);
+        this.purchaseEssential = result.data.essentials.purchase_no_essential_total;
+        this.purchaseNotEssential = result.data.essentials.purchase_no_total - this.purchaseEssential;
+        this.barChartDataEssential = [
+          {data: [this.purchaseEssential], label: 'Essential', stack: '1'},
+          {data: [this.purchaseNotEssential], label: 'Non-Essential', stack: '1'},
+        ];
+        this.showEssentialBarChart = true;
       },
       error => {
         console.log('Retrieval Error');
@@ -153,6 +232,33 @@ export class DashboardCustomerComponent implements OnInit {
     );
   }
 
+  private setChartData(dataCat: any) {
+    this.barChartLabelsCategory = Object.keys(dataCat);
+    let barChartDataCategoryInitial = Object.keys(dataCat).map(key => dataCat[key]);
+    this.barChartDataCategory = [
+      {data: barChartDataCategoryInitial, label: 'Series A'},
+    ];
+    let doughnutChartDataCategoryInitial = this.weekList1.map(function(a) {return a.value;});
+    this.doughnutChartDataCategory = [
+      {data: doughnutChartDataCategoryInitial, label: 'Series A'},
+    ];
+    // setTimeout is currently a workaround for ng2-charts labels
+    setTimeout(() => this.doughnutChartLabelsCategory = this.weekList1.map(function(a) {return a.category;}), 0);
+    this.showCategoryDoughnutChart = true;
+    this.showCategoryBarChart = true;
+  }
+
+  private setDate () {
+    this.myWeek1 = moment().startOf('isoWeek').format('YYYY-MM-DD');
+  }
+
+  private setWeekData (data: any) {
+    function prop<T, K extends keyof T>(obj: T, key: K) {
+      return obj[key];
+    }
+    this.weekList1 = prop(data.data.categories, this.myWeek1);
+  }
+
   public setWeekPurchaseList (data: any) {
     this.weekPurchaseList = {
       first:  data.first,
@@ -173,6 +279,30 @@ export class DashboardCustomerComponent implements OnInit {
     this.sectorLimit = 22;
   }
 
+  public convertHex(hex: string, opacity: number) {
+    hex = hex.replace('#', '');
+    const r = parseInt(hex.substring(0, 2), 16);
+    const g = parseInt(hex.substring(2, 4), 16);
+    const b = parseInt(hex.substring(4, 6), 16);
+
+    const rgba = 'rgba(' + r + ', ' + g + ', ' + b + ', ' + opacity / 100 + ')';
+    return rgba;
+  }
+
+  private tooltipLabelCallback(tooltipItem: any, data: any) {
+    var dataset = data.datasets[tooltipItem.datasetIndex];
+    var value = dataset.data[tooltipItem.index];
+    return this.currencyPipe.transform(value, 'GBP', 'symbol', '1.2-2');
+    return value || '0';
+  }
+
+  // events
+  public chartClicked(e: any): void {
+  }
+
+  public chartHovered(e: any): void {
+  }
+
   ngOnInit(): void {
   }
 }