moved call to explorers

app/src/components/denomination/denomination.ts

@@ -1,6 +1,8 @@
 import { Component } from '@angular/core';
 import { CurrencyProvider } from '../../providers/currency/currency';
 import { ViewController } from 'ionic-angular';
+import { Http } from '@angular/http';
+import { ApiProvider } from '../../providers/api/api';
 
 @Component({
   selector: 'denomination',
@@ -8,16 +10,28 @@ import { ViewController } from 'ionic-angular';
 })
 export class DenominationComponent {
 
-  public text: string;
   public switcherOn: boolean;
+  private explorers: any = [];
   public units: any = [];
 
   constructor(
     public currencyProvider: CurrencyProvider,
-    public viewCtrl: ViewController
+    public viewCtrl: ViewController,
+    public http: Http,
+    public api: ApiProvider
   ) {
-    this.text = 'Hello World';
+
-    this.switcherOn = true;
+    let url: string = this.api.apiPrefix + 'explorers';
+    this.http.get(url).subscribe(
+      (data) => {
+        this.explorers = JSON.parse(data['_body']);
+        this.switcherOn = true;
+      },
+      (err) => {
+        this.switcherOn = false;
+        console.error('err', err);
+      }
+    );
 
     this.units = [
       'USD',

app/src/providers/api/api.ts

@@ -11,9 +11,11 @@ import 'rxjs/add/operator/map';
 @Injectable()
 export class ApiProvider {
 
-  public apiPrefix: string = '/insight-api/';
+  public apiPrefix: string;
 
   constructor(public http: Http) {
+    // TODO Make this an API call
+    this.apiPrefix = '/insight-api/';
   }
 
 }

app/src/providers/currency/currency.ts

@@ -17,23 +17,12 @@ export class CurrencyProvider {
   public factor: number = 1;
   private bitstamp: number;
   private kraken: number;
-  private loading: boolean;
-  private explorers: any = [];
 
   constructor(public http: Http, private api: ApiProvider) {
+    // TODO Make this an API call
     this.defaultCurrency = 'BTC';
     this.currencySymbol = this.defaultCurrency;
 
-    this.http.get(this.api.apiPrefix + 'explorers').subscribe(
-      (data) => {
-        this.explorers = JSON.parse(data['_body']);
-        this.loading = false;
-      },
-      (err) => {
-        console.log('err is', err);
-        this.loading = false;
-      }
-    );
   }
 
   public roundFloat(aFloat: number, decimalPlaces: number): number {
@@ -98,11 +87,9 @@ export class CurrencyProvider {
           } else if (currencyParsed.data.kraken) {
             this.factor = this.kraken = currencyParsed.data.kraken;
           }
-          this.loading = false;
         },
         (err) => {
           console.log('err is', err);
-          this.loading = false;
         }
       );
     } else if (currency === 'm' + this.defaultCurrency) {