Added services and resolvers for redemptions and related.

src/app/shared/services/twitch-redemption.service.ts

@@ -0,0 +1,30 @@
+import { HttpClient } from '@angular/common/http';
+import { inject, Injectable } from '@angular/core';
+import { environment } from '../../../environments/environment';
+import TwitchRedemption from '../models/twitch-redemption';
+import { of } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TwitchRedemptionService {
+  private http = inject(HttpClient);
+  private twitchRedemptions: TwitchRedemption[] = [];
+  private loaded = false
+
+  fetch(force: boolean = false) {
+    if (!force && this.loaded)
+      return of(this.twitchRedemptions);
+
+    const $ = this.http.get<TwitchRedemption[]>(environment.API_HOST + '/twitch/redemptions', {
+      headers: {
+        'Authorization': 'Bearer ' + localStorage.getItem('jwt'),
+      }
+    });
+    $.subscribe(d => {
+      this.twitchRedemptions = d;
+      this.loaded = true;
+    });
+    return $;
+  }
+}