feat: add loan button (assign/change loan officer) (#867)

Fixes: #248

src/app/loans/common-resolvers/loan-action-button-resolver.ts

@@ -0,0 +1,34 @@
+/** Angular Imports */
+import { Injectable } from '@angular/core';
+import { Resolve, ActivatedRouteSnapshot } from '@angular/router';
+
+/** rxjs Imports */
+import { Observable } from 'rxjs';
+
+/** Custom Services */
+import { LoansService } from '../loans.service';
+
+/**
+ * Loans notes data resolver.
+ */
+@Injectable()
+export class LoanActionButtonResolver implements Resolve<Object> {
+
+    /**
+     * @param {LoansService} LoansService Loans service.
+     */
+    constructor(private loansService: LoansService) { }
+
+    /**
+     * Returns the Loans Notes Data.
+     * @returns {Observable<any>}
+     */
+    resolve(route: ActivatedRouteSnapshot): Observable<any> {
+        const loanId = route.parent.paramMap.get('loanId');
+        const loanActionButton = route.paramMap.get('action');
+        // if (loanActionButton === 'assign-loan-officer') {
+            return this.loansService.getLoanTemplate(loanId);
+        // }
+    }
+
+}