Added working snippets and placeholder pie chart

src/app/panels/pie-panel.component.html

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+  <div class="card">
+    <div class="card-block">
+      <div class="row">
+        <div class="col-sm-5">
+          <h4 class="card-title mb-0">Local Purchases</h4>
+        </div><!--/.col-->
+        <div class="col-sm-7 hidden-sm-down">
+          <div class="btn-toolbar float-right" role="toolbar" aria-label="Toolbar with button groups">
+            <div class="btn-group mr-3" data-toggle="buttons" aria-label="First group">
+              <label class="btn btn-outline-secondary active">
+                <input type="radio" name="options" id="option2" checked> Week
+              </label>
+            </div>
+          </div>
+        </div><!--/.col-->
+      </div><!--/.row-->
+      <div class="chart-wrapper">
+        <canvas baseChart class="chart"
+        [data]="placeholderChartData"
+        [labels]="placeholderChartLabels"
+        [legend]="chartLegend"
+        [chartType]="chartType"
+        (chartHover)="chartHovered($event)"
+        (chartClick)="chartClicked($event)"></canvas>
+      </div>
+    </div>
+  </div>

src/app/panels/pie-panel.component.ts

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+import { Component, OnInit, Input, Output, EventEmitter } from '@angular/core';
+import { OrgGraphsService } from '../providers/org-graphs.service';
+import { DataType } from '../shared/data-types.enum';
+import { ChartData } from '../_interfaces/chart-data';
+import * as moment from 'moment';
+
+@Component({
+  selector: 'panel-pie',
+  templateUrl: 'pie-panel.component.html',
+})
+export class PiePanel implements OnInit {
+
+  // Placeholder
+  public placeholderChartLabels: string[] = ['Local to Me', 'Local Store', 'Not Local'];
+  public placeholderChartData: number[] = [400, 100, 100];
+
+
+  public chartType = 'doughnut';
+  public chartLegend = true;
+
+  //Old
+
+  public rawChartData: Array<number> = [];
+
+  public chartData: Array<ChartData> = [
+    {
+      data: [],
+      label: 'This Week'
+    },
+    {
+      data: [],
+      label: 'Last Week'
+    },
+    {
+      data: [],
+      label: 'Week Before Last'
+    }
+  ];
+
+  public rawChartLabels: Array<string> = [];
+  public chartLabels: Array<string> = [];
+
+  // public mainChartElements = 7;
+
+  constructor(
+    private graphService: OrgGraphsService,
+  ) { }
+
+  public ngOnInit(): void {
+  //   const end = moment().startOf('day');
+  //   const start = end.clone().subtract(this.mainChartElements * 3, 'days');
+  //   this.graphService.getGraph('customers_range', {
+  //     start: start.format('YYYY-MM-DD'),
+  //     end: end.format('YYYY-MM-DD'),
+  //   }).subscribe( result => this.setData(result.graph) );
+  }
+
+  // private setData(data: any) {
+  //   this.chartLabels = data.labels.slice(this.mainChartElements * 2, this.mainChartElements * 3);
+  //   this.chartData[2].data = data.data.slice(0, this.mainChartElements);
+  //   this.chartData[1].data = data.data.slice(this.mainChartElements, this.mainChartElements * 2);
+  //   this.chartData[0].data = data.data.slice(this.mainChartElements * 2, this.mainChartElements * 3);
+  // }
+
+  // convert Hex to RGBA
+  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;
+  }
+
+  // events
+  public chartClicked(e: any): void {
+    console.log(e);
+  }
+
+  public chartHovered(e: any): void {
+    console.log(e);
+  }
+
+}